ITMI982065A1 - SYNERGIC STABILIZING MIXTURES - Google Patents
SYNERGIC STABILIZING MIXTURES Download PDFInfo
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- ITMI982065A1 ITMI982065A1 IT98MI002065A ITMI982065A ITMI982065A1 IT MI982065 A1 ITMI982065 A1 IT MI982065A1 IT 98MI002065 A IT98MI002065 A IT 98MI002065A IT MI982065 A ITMI982065 A IT MI982065A IT MI982065 A1 ITMI982065 A1 IT MI982065A1
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- 239000000203 mixture Substances 0.000 title claims description 112
- 230000000087 stabilizing effect Effects 0.000 title claims description 50
- 230000002195 synergetic effect Effects 0.000 title description 6
- -1 nbutyl Chemical group 0.000 claims description 172
- 150000001875 compounds Chemical class 0.000 claims description 77
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 37
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 37
- 229920001577 copolymer Polymers 0.000 claims description 36
- 229920000642 polymer Polymers 0.000 claims description 27
- 229910052757 nitrogen Inorganic materials 0.000 claims description 23
- 239000004743 Polypropylene Substances 0.000 claims description 22
- 125000003884 phenylalkyl group Chemical group 0.000 claims description 21
- 125000001424 substituent group Chemical group 0.000 claims description 20
- 125000004178 (C1-C4) alkyl group Chemical group 0.000 claims description 19
- 229920001155 polypropylene Polymers 0.000 claims description 18
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 17
- 125000004429 atom Chemical group 0.000 claims description 16
- 125000000623 heterocyclic group Chemical group 0.000 claims description 16
- 125000002947 alkylene group Chemical group 0.000 claims description 15
- 125000000008 (C1-C10) alkyl group Chemical group 0.000 claims description 12
- 239000005977 Ethylene Substances 0.000 claims description 12
- 239000004952 Polyamide Substances 0.000 claims description 12
- 229920002647 polyamide Polymers 0.000 claims description 12
- 229920002857 polybutadiene Polymers 0.000 claims description 12
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims description 11
- 239000000654 additive Substances 0.000 claims description 11
- 229920000620 organic polymer Polymers 0.000 claims description 11
- 125000004433 nitrogen atom Chemical group N* 0.000 claims description 10
- 125000004209 (C1-C8) alkyl group Chemical group 0.000 claims description 9
- 239000004698 Polyethylene Substances 0.000 claims description 9
- 238000006243 chemical reaction Methods 0.000 claims description 9
- MGNCLNQXLYJVJD-UHFFFAOYSA-N cyanuric chloride Chemical compound ClC1=NC(Cl)=NC(Cl)=N1 MGNCLNQXLYJVJD-UHFFFAOYSA-N 0.000 claims description 9
- 125000000753 cycloalkyl group Chemical group 0.000 claims description 9
- 229920000573 polyethylene Polymers 0.000 claims description 9
- 125000003031 C5-C7 cycloalkylene group Chemical group 0.000 claims description 8
- 239000004611 light stabiliser Substances 0.000 claims description 8
- 229920000768 polyamine Polymers 0.000 claims description 8
- 125000002252 acyl group Chemical group 0.000 claims description 7
- 125000000217 alkyl group Chemical group 0.000 claims description 7
- 229920001971 elastomer Polymers 0.000 claims description 7
- 125000003342 alkenyl group Chemical group 0.000 claims description 6
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical compound C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 claims description 6
- 125000004432 carbon atom Chemical group C* 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 6
- HQQADJVZYDDRJT-UHFFFAOYSA-N ethene;prop-1-ene Chemical group C=C.CC=C HQQADJVZYDDRJT-UHFFFAOYSA-N 0.000 claims description 6
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 claims description 5
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 claims description 5
- 239000005060 rubber Substances 0.000 claims description 5
- 125000006832 (C1-C10) alkylene group Chemical group 0.000 claims description 4
- 125000004400 (C1-C12) alkyl group Chemical group 0.000 claims description 4
- 125000000923 (C1-C30) alkyl group Chemical group 0.000 claims description 4
- ACZGCWSMSTYWDQ-UHFFFAOYSA-N 3h-1-benzofuran-2-one Chemical class C1=CC=C2OC(=O)CC2=C1 ACZGCWSMSTYWDQ-UHFFFAOYSA-N 0.000 claims description 4
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 claims description 4
- 238000010525 oxidative degradation reaction Methods 0.000 claims description 4
- 229920000098 polyolefin Polymers 0.000 claims description 4
- 239000003381 stabilizer Substances 0.000 claims description 4
- 125000004079 stearyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 4
- 125000003903 2-propenyl group Chemical group [H]C([*])([H])C([H])=C([H])[H] 0.000 claims description 3
- CIUQDSCDWFSTQR-UHFFFAOYSA-N [C]1=CC=CC=C1 Chemical compound [C]1=CC=CC=C1 CIUQDSCDWFSTQR-UHFFFAOYSA-N 0.000 claims description 3
- 125000002777 acetyl group Chemical group [H]C([H])([H])C(*)=O 0.000 claims description 3
- 239000003963 antioxidant agent Substances 0.000 claims description 3
- 125000003236 benzoyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C(*)=O 0.000 claims description 3
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 125000000113 cyclohexyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C1([H])[H] 0.000 claims description 3
- 125000003438 dodecyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 claims description 3
- 125000000816 ethylene group Chemical group [H]C([H])([*:1])C([H])([H])[*:2] 0.000 claims description 3
- 229910052739 hydrogen Inorganic materials 0.000 claims description 3
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 claims description 3
- 125000001421 myristyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 3
- 125000000913 palmityl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 3
- AQSJGOWTSHOLKH-UHFFFAOYSA-N phosphite(3-) Chemical class [O-]P([O-])[O-] AQSJGOWTSHOLKH-UHFFFAOYSA-N 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 3
- 125000002889 tridecyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 3
- 125000006176 2-ethylbutyl group Chemical group [H]C([H])([H])C([H])([H])C([H])(C([H])([H])*)C([H])([H])C([H])([H])[H] 0.000 claims description 2
- 125000003229 2-methylhexyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 claims description 2
- SNRUBQQJIBEYMU-UHFFFAOYSA-N Dodecane Natural products CCCCCCCCCCCC SNRUBQQJIBEYMU-UHFFFAOYSA-N 0.000 claims description 2
- 125000003647 acryloyl group Chemical group O=C([*])C([H])=C([H])[H] 0.000 claims description 2
- 125000001204 arachidyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 2
- 125000002511 behenyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 2
- 125000004369 butenyl group Chemical group C(=CCC)* 0.000 claims description 2
- 125000004063 butyryl group Chemical group O=C([*])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 2
- 125000000582 cycloheptyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C1([H])[H] 0.000 claims description 2
- 125000004956 cyclohexylene group Chemical group 0.000 claims description 2
- 125000000640 cyclooctyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C([H])([H])C1([H])[H] 0.000 claims description 2
- 125000001511 cyclopentyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C1([H])[H] 0.000 claims description 2
- 125000002704 decyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 claims description 2
- 229920003244 diene elastomer Polymers 0.000 claims description 2
- 125000006182 dimethyl benzyl group Chemical group 0.000 claims description 2
- 239000000945 filler Substances 0.000 claims description 2
- 125000002485 formyl group Chemical group [H]C(*)=O 0.000 claims description 2
- 125000003104 hexanoyl group Chemical group O=C([*])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 2
- 125000006038 hexenyl group Chemical group 0.000 claims description 2
- 150000002443 hydroxylamines Chemical class 0.000 claims description 2
- JYGFTBXVXVMTGB-UHFFFAOYSA-N indolin-2-one Chemical class C1=CC=C2NC(=O)CC2=C1 JYGFTBXVXVMTGB-UHFFFAOYSA-N 0.000 claims description 2
- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 claims description 2
- 125000001972 isopentyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])C([H])([H])* 0.000 claims description 2
- 125000002960 margaryl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 2
- 239000000320 mechanical mixture Substances 0.000 claims description 2
- 239000006078 metal deactivator Substances 0.000 claims description 2
- 125000006178 methyl benzyl group Chemical group 0.000 claims description 2
- 125000001570 methylene group Chemical group [H]C([H])([*:1])[*:2] 0.000 claims description 2
- 125000001802 myricyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 2
- 125000003136 n-heptyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 claims description 2
- 125000001280 n-hexyl group Chemical group C(CCCCC)* 0.000 claims description 2
- 125000000740 n-pentyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 claims description 2
- 125000001400 nonyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 2
- 239000002667 nucleating agent Substances 0.000 claims description 2
- 125000002801 octanoyl group Chemical group C(CCCCCCC)(=O)* 0.000 claims description 2
- 125000002958 pentadecyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 2
- 125000002255 pentenyl group Chemical group C(=CCCC)* 0.000 claims description 2
- 150000002978 peroxides Chemical class 0.000 claims description 2
- 125000000286 phenylethyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])C([H])([H])* 0.000 claims description 2
- XRBCRPZXSCBRTK-UHFFFAOYSA-N phosphonous acid Chemical class OPO XRBCRPZXSCBRTK-UHFFFAOYSA-N 0.000 claims description 2
- 125000001501 propionyl group Chemical group O=C([*])C([H])([H])C([H])([H])[H] 0.000 claims description 2
- 239000012744 reinforcing agent Substances 0.000 claims description 2
- 125000002914 sec-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])(*)C([H])([H])[H] 0.000 claims description 2
- 125000003944 tolyl group Chemical group 0.000 claims description 2
- 125000002948 undecyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 2
- 125000003774 valeryl group Chemical group O=C([*])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 43
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 19
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 13
- 239000000047 product Substances 0.000 description 13
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 12
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 12
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 12
- 150000002148 esters Chemical class 0.000 description 12
- 229920005989 resin Polymers 0.000 description 12
- 239000011347 resin Substances 0.000 description 12
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 10
- KBPLFHHGFOOTCA-UHFFFAOYSA-N caprylic alcohol Natural products CCCCCCCCO KBPLFHHGFOOTCA-UHFFFAOYSA-N 0.000 description 10
- 239000005062 Polybutadiene Substances 0.000 description 9
- 150000001252 acrylic acid derivatives Chemical class 0.000 description 8
- 229920001684 low density polyethylene Polymers 0.000 description 8
- 239000004702 low-density polyethylene Substances 0.000 description 8
- 229910052751 metal Inorganic materials 0.000 description 8
- 239000002184 metal Substances 0.000 description 8
- GLDOVTGHNKAZLK-UHFFFAOYSA-N octadecan-1-ol Chemical compound CCCCCCCCCCCCCCCCCCO GLDOVTGHNKAZLK-UHFFFAOYSA-N 0.000 description 8
- 239000004417 polycarbonate Substances 0.000 description 8
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 7
- 239000007859 condensation product Substances 0.000 description 7
- 150000001993 dienes Chemical class 0.000 description 7
- 239000000835 fiber Substances 0.000 description 7
- 229920006324 polyoxymethylene Polymers 0.000 description 7
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 6
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 6
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 6
- 239000004700 high-density polyethylene Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 229920000728 polyester Polymers 0.000 description 6
- 229920000915 polyvinyl chloride Polymers 0.000 description 6
- 239000004800 polyvinyl chloride Substances 0.000 description 6
- 239000007983 Tris buffer Substances 0.000 description 5
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 description 5
- 230000032683 aging Effects 0.000 description 5
- 150000001412 amines Chemical class 0.000 description 5
- 239000003054 catalyst Substances 0.000 description 5
- 229920001903 high density polyethylene Polymers 0.000 description 5
- 150000003254 radicals Chemical class 0.000 description 5
- 230000006641 stabilisation Effects 0.000 description 5
- 238000011105 stabilization Methods 0.000 description 5
- 150000005846 sugar alcohols Polymers 0.000 description 5
- 229920002554 vinyl polymer Polymers 0.000 description 5
- BPXVHIRIPLPOPT-UHFFFAOYSA-N 1,3,5-tris(2-hydroxyethyl)-1,3,5-triazinane-2,4,6-trione Chemical compound OCCN1C(=O)N(CCO)C(=O)N(CCO)C1=O BPXVHIRIPLPOPT-UHFFFAOYSA-N 0.000 description 4
- ALVZNPYWJMLXKV-UHFFFAOYSA-N 1,9-Nonanediol Chemical compound OCCCCCCCCCO ALVZNPYWJMLXKV-UHFFFAOYSA-N 0.000 description 4
- FTVFPPFZRRKJIH-UHFFFAOYSA-N 2,2,6,6-tetramethylpiperidin-4-amine Chemical compound CC1(C)CC(N)CC(C)(C)N1 FTVFPPFZRRKJIH-UHFFFAOYSA-N 0.000 description 4
- CKPKHTKLLYPGFM-UHFFFAOYSA-N 6,6-dimethylheptane-1,1-diol Chemical compound CC(CCCCC(O)O)(C)C CKPKHTKLLYPGFM-UHFFFAOYSA-N 0.000 description 4
- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 description 4
- PKTNMTDLDLSRDE-UHFFFAOYSA-N C1OC2(P(=O)=O)OCC1(CO)CO2 Chemical compound C1OC2(P(=O)=O)OCC1(CO)CO2 PKTNMTDLDLSRDE-UHFFFAOYSA-N 0.000 description 4
- 239000004716 Ethylene/acrylic acid copolymer Substances 0.000 description 4
- 229920000877 Melamine resin Polymers 0.000 description 4
- 239000004721 Polyphenylene oxide Substances 0.000 description 4
- ZJCCRDAZUWHFQH-UHFFFAOYSA-N Trimethylolpropane Chemical compound CCC(CO)(CO)CO ZJCCRDAZUWHFQH-UHFFFAOYSA-N 0.000 description 4
- 239000002253 acid Substances 0.000 description 4
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical class [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 description 4
- 229910052736 halogen Inorganic materials 0.000 description 4
- 150000002367 halogens Chemical class 0.000 description 4
- XXMIOPMDWAUFGU-UHFFFAOYSA-N hexane-1,6-diol Chemical compound OCCCCCCO XXMIOPMDWAUFGU-UHFFFAOYSA-N 0.000 description 4
- ZFSLODLOARCGLH-UHFFFAOYSA-N isocyanuric acid Chemical compound OC1=NC(O)=NC(O)=N1 ZFSLODLOARCGLH-UHFFFAOYSA-N 0.000 description 4
- 239000000178 monomer Substances 0.000 description 4
- DNIAPMSPPWPWGF-UHFFFAOYSA-N monopropylene glycol Natural products CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 4
- TVMXDCGIABBOFY-UHFFFAOYSA-N n-Octanol Natural products CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 description 4
- SLCVBVWXLSEKPL-UHFFFAOYSA-N neopentyl glycol Chemical compound OCC(C)(C)CO SLCVBVWXLSEKPL-UHFFFAOYSA-N 0.000 description 4
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 description 4
- 229920001707 polybutylene terephthalate Polymers 0.000 description 4
- 229920000570 polyether Polymers 0.000 description 4
- 239000004814 polyurethane Substances 0.000 description 4
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 4
- 239000002904 solvent Substances 0.000 description 4
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- BLBLVDQTHWVGRA-UHFFFAOYSA-N n-butyl-3-[4-[4-(butylamino)-1,2,2,6,6-pentamethylpiperidin-3-yl]-6-chloro-1,3,5-triazin-2-yl]-1,2,2,6,6-pentamethylpiperidin-4-amine Chemical compound CCCCNC1CC(C)(C)N(C)C(C)(C)C1C1=NC(Cl)=NC(C2C(N(C)C(C)(C)CC2NCCCC)(C)C)=N1 BLBLVDQTHWVGRA-UHFFFAOYSA-N 0.000 description 1
- DIOQZVSQGTUSAI-UHFFFAOYSA-N n-butylhexane Natural products CCCCCCCCCC DIOQZVSQGTUSAI-UHFFFAOYSA-N 0.000 description 1
- BYYFPVDBAHOLDX-UHFFFAOYSA-N n-dodecyl-n-phenylaniline Chemical class C=1C=CC=CC=1N(CCCCCCCCCCCC)C1=CC=CC=C1 BYYFPVDBAHOLDX-UHFFFAOYSA-N 0.000 description 1
- ZRPOKHXBOZQSOX-UHFFFAOYSA-N n-heptadecyl-n-octadecylhydroxylamine Chemical compound CCCCCCCCCCCCCCCCCCN(O)CCCCCCCCCCCCCCCCC ZRPOKHXBOZQSOX-UHFFFAOYSA-N 0.000 description 1
- HQYHEBGVNAJVAA-UHFFFAOYSA-N n-hexadecylhydroxylamine Chemical compound CCCCCCCCCCCCCCCCNO HQYHEBGVNAJVAA-UHFFFAOYSA-N 0.000 description 1
- SQDFHQJTAWCFIB-UHFFFAOYSA-N n-methylidenehydroxylamine Chemical compound ON=C SQDFHQJTAWCFIB-UHFFFAOYSA-N 0.000 description 1
- LVZUNTGFCXNQAF-UHFFFAOYSA-N n-nonyl-n-phenylaniline Chemical class C=1C=CC=CC=1N(CCCCCCCCC)C1=CC=CC=C1 LVZUNTGFCXNQAF-UHFFFAOYSA-N 0.000 description 1
- ZXGDIORKSOYRMQ-UHFFFAOYSA-N n-octadecylheptadecan-1-imine oxide Chemical compound CCCCCCCCCCCCCCCCCC[N+]([O-])=CCCCCCCCCCCCCCCCC ZXGDIORKSOYRMQ-UHFFFAOYSA-N 0.000 description 1
- RQVGZVZFVNMBGS-UHFFFAOYSA-N n-octyl-n-phenylaniline Chemical compound C=1C=CC=CC=1N(CCCCCCCC)C1=CC=CC=C1 RQVGZVZFVNMBGS-UHFFFAOYSA-N 0.000 description 1
- IMXRBCGZTVENAC-UHFFFAOYSA-N n-phenyl-n-(2,4,4-trimethylpentan-2-yl)aniline Chemical class C=1C=CC=CC=1N(C(C)(C)CC(C)(C)C)C1=CC=CC=C1 IMXRBCGZTVENAC-UHFFFAOYSA-N 0.000 description 1
- NYLGUNUDTDWXQE-UHFFFAOYSA-N n-phenyl-n-prop-2-enylaniline Chemical compound C=1C=CC=CC=1N(CC=C)C1=CC=CC=C1 NYLGUNUDTDWXQE-UHFFFAOYSA-N 0.000 description 1
- MHJCZOMOUCUAOI-UHFFFAOYSA-N n-tert-butyl-n-phenylaniline Chemical class C=1C=CC=CC=1N(C(C)(C)C)C1=CC=CC=C1 MHJCZOMOUCUAOI-UHFFFAOYSA-N 0.000 description 1
- SLYJXPKHTZCZOG-UHFFFAOYSA-N n-tetradecyltetradecan-1-imine oxide Chemical compound CCCCCCCCCCCCCC[N+]([O-])=CCCCCCCCCCCCCC SLYJXPKHTZCZOG-UHFFFAOYSA-N 0.000 description 1
- 229920003052 natural elastomer Polymers 0.000 description 1
- 229920005615 natural polymer Polymers 0.000 description 1
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- 229910052759 nickel Inorganic materials 0.000 description 1
- 150000002816 nickel compounds Chemical class 0.000 description 1
- MGFYIUFZLHCRTH-UHFFFAOYSA-N nitrilotriacetic acid Chemical compound OC(=O)CN(CC(O)=O)CC(O)=O MGFYIUFZLHCRTH-UHFFFAOYSA-N 0.000 description 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Substances N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- JFNLZVQOOSMTJK-KNVOCYPGSA-N norbornene Chemical compound C1[C@@H]2CC[C@H]1C=C2 JFNLZVQOOSMTJK-KNVOCYPGSA-N 0.000 description 1
- 125000003261 o-tolyl group Chemical group [H]C1=C([H])C(*)=C(C([H])=C1[H])C([H])([H])[H] 0.000 description 1
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- RNVAPPWJCZTWQL-UHFFFAOYSA-N octadecyl 3,5-ditert-butyl-4-hydroxybenzoate Chemical compound CCCCCCCCCCCCCCCCCCOC(=O)C1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 RNVAPPWJCZTWQL-UHFFFAOYSA-N 0.000 description 1
- XQAABEDPVQWFPN-UHFFFAOYSA-N octyl 3-[3-(benzotriazol-2-yl)-5-tert-butyl-4-hydroxyphenyl]propanoate Chemical compound CC(C)(C)C1=CC(CCC(=O)OCCCCCCCC)=CC(N2N=C3C=CC=CC3=N2)=C1O XQAABEDPVQWFPN-UHFFFAOYSA-N 0.000 description 1
- DMFXLIFZVRXRRR-UHFFFAOYSA-N octyl 3-[3-tert-butyl-5-(5-chlorobenzotriazol-2-yl)-4-hydroxyphenyl]propanoate Chemical compound CC(C)(C)C1=CC(CCC(=O)OCCCCCCCC)=CC(N2N=C3C=C(Cl)C=CC3=N2)=C1O DMFXLIFZVRXRRR-UHFFFAOYSA-N 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- RGSFGYAAUTVSQA-UHFFFAOYSA-N pentamethylene Natural products C1CCCC1 RGSFGYAAUTVSQA-UHFFFAOYSA-N 0.000 description 1
- 150000002989 phenols Chemical class 0.000 description 1
- 229950000688 phenothiazine Drugs 0.000 description 1
- 229960000969 phenyl salicylate Drugs 0.000 description 1
- ZPNJBTBYIHBSIG-UHFFFAOYSA-N phenyl-(2,2,6,6-tetramethylpiperidin-4-yl)methanone Chemical compound C1C(C)(C)NC(C)(C)CC1C(=O)C1=CC=CC=C1 ZPNJBTBYIHBSIG-UHFFFAOYSA-N 0.000 description 1
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N phenylbenzene Natural products C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 150000003018 phosphorus compounds Chemical class 0.000 description 1
- 239000012994 photoredox catalyst Substances 0.000 description 1
- 125000005498 phthalate group Chemical class 0.000 description 1
- XNGIFLGASWRNHJ-UHFFFAOYSA-L phthalate(2-) Chemical compound [O-]C(=O)C1=CC=CC=C1C([O-])=O XNGIFLGASWRNHJ-UHFFFAOYSA-L 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 125000003386 piperidinyl group Chemical group 0.000 description 1
- 229920001627 poly(4-methyl styrene) Polymers 0.000 description 1
- 229920001084 poly(chloroprene) Polymers 0.000 description 1
- 229920001643 poly(ether ketone) Polymers 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 229920002492 poly(sulfone) Polymers 0.000 description 1
- 229920002037 poly(vinyl butyral) polymer Polymers 0.000 description 1
- 229920002401 polyacrylamide Polymers 0.000 description 1
- 229920001515 polyalkylene glycol Polymers 0.000 description 1
- 229920002312 polyamide-imide Polymers 0.000 description 1
- 229920006393 polyether sulfone Polymers 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 229940068886 polyethylene glycol 300 Drugs 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 229920001195 polyisoprene Polymers 0.000 description 1
- 229920000193 polymethacrylate Polymers 0.000 description 1
- 229920005606 polypropylene copolymer Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229920002689 polyvinyl acetate Polymers 0.000 description 1
- 239000011118 polyvinyl acetate Substances 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 229920002620 polyvinyl fluoride Polymers 0.000 description 1
- 239000005033 polyvinylidene chloride Substances 0.000 description 1
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 1
- 229920000036 polyvinylpyrrolidone Polymers 0.000 description 1
- 239000001267 polyvinylpyrrolidone Substances 0.000 description 1
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
- 235000013772 propylene glycol Nutrition 0.000 description 1
- 238000010526 radical polymerization reaction Methods 0.000 description 1
- 239000012429 reaction media Substances 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000006254 rheological additive Substances 0.000 description 1
- 229940066675 ricinoleate Drugs 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- YGSDEFSMJLZEOE-UHFFFAOYSA-M salicylate Chemical compound OC1=CC=CC=C1C([O-])=O YGSDEFSMJLZEOE-UHFFFAOYSA-M 0.000 description 1
- 229960001860 salicylate Drugs 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 150000004760 silicates Chemical class 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- WXMKPNITSTVMEF-UHFFFAOYSA-M sodium benzoate Chemical compound [Na+].[O-]C(=O)C1=CC=CC=C1 WXMKPNITSTVMEF-UHFFFAOYSA-M 0.000 description 1
- 235000010234 sodium benzoate Nutrition 0.000 description 1
- 239000004299 sodium benzoate Substances 0.000 description 1
- 229940074404 sodium succinate Drugs 0.000 description 1
- ZDQYSKICYIVCPN-UHFFFAOYSA-L sodium succinate (anhydrous) Chemical compound [Na+].[Na+].[O-]C(=O)CCC([O-])=O ZDQYSKICYIVCPN-UHFFFAOYSA-L 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- 235000011152 sodium sulphate Nutrition 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000600 sorbitol Substances 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 229920006132 styrene block copolymer Polymers 0.000 description 1
- 229920003048 styrene butadiene rubber Polymers 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- KZNICNPSHKQLFF-UHFFFAOYSA-N succinimide Chemical group O=C1CCC(=O)N1 KZNICNPSHKQLFF-UHFFFAOYSA-N 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 229920005613 synthetic organic polymer Polymers 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
- MHSKRLJMQQNJNC-UHFFFAOYSA-N terephthalamide Chemical compound NC(=O)C1=CC=C(C(N)=O)C=C1 MHSKRLJMQQNJNC-UHFFFAOYSA-N 0.000 description 1
- 125000000383 tetramethylene group Chemical group [H]C([H])([*:1])C([H])([H])C([H])([H])C([H])([H])[*:2] 0.000 description 1
- 229920002803 thermoplastic polyurethane Polymers 0.000 description 1
- 150000003568 thioethers Chemical class 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- YONPGGFAJWQGJC-UHFFFAOYSA-K titanium(iii) chloride Chemical compound Cl[Ti](Cl)Cl YONPGGFAJWQGJC-UHFFFAOYSA-K 0.000 description 1
- 229960000984 tocofersolan Drugs 0.000 description 1
- AOBORMOPSGHCAX-DGHZZKTQSA-N tocofersolan Chemical compound OCCOC(=O)CCC(=O)OC1=C(C)C(C)=C2O[C@](CCC[C@H](C)CCC[C@H](C)CCCC(C)C)(C)CCC2=C1C AOBORMOPSGHCAX-DGHZZKTQSA-N 0.000 description 1
- 229930003799 tocopherol Natural products 0.000 description 1
- 239000011732 tocopherol Substances 0.000 description 1
- 235000019149 tocopherols Nutrition 0.000 description 1
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 1
- 238000005809 transesterification reaction Methods 0.000 description 1
- 150000003918 triazines Chemical class 0.000 description 1
- IVIIAEVMQHEPAY-UHFFFAOYSA-N tridodecyl phosphite Chemical compound CCCCCCCCCCCCOP(OCCCCCCCCCCCC)OCCCCCCCCCCCC IVIIAEVMQHEPAY-UHFFFAOYSA-N 0.000 description 1
- 125000005591 trimellitate group Chemical group 0.000 description 1
- CNUJLMSKURPSHE-UHFFFAOYSA-N trioctadecyl phosphite Chemical compound CCCCCCCCCCCCCCCCCCOP(OCCCCCCCCCCCCCCCCCC)OCCCCCCCCCCCCCCCCCC CNUJLMSKURPSHE-UHFFFAOYSA-N 0.000 description 1
- WGKLOLBTFWFKOD-UHFFFAOYSA-N tris(2-nonylphenyl) phosphite Chemical compound CCCCCCCCCC1=CC=CC=C1OP(OC=1C(=CC=CC=1)CCCCCCCCC)OC1=CC=CC=C1CCCCCCCCC WGKLOLBTFWFKOD-UHFFFAOYSA-N 0.000 description 1
- 239000000326 ultraviolet stabilizing agent Substances 0.000 description 1
- 229920006305 unsaturated polyester Polymers 0.000 description 1
- 150000003672 ureas Chemical class 0.000 description 1
- 235000019871 vegetable fat Nutrition 0.000 description 1
- 235000019154 vitamin C Nutrition 0.000 description 1
- 239000011718 vitamin C Substances 0.000 description 1
- 235000019165 vitamin E Nutrition 0.000 description 1
- 239000011709 vitamin E Substances 0.000 description 1
- 229940046009 vitamin E Drugs 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 description 1
- 235000004835 α-tocopherol Nutrition 0.000 description 1
- 239000002076 α-tocopherol Substances 0.000 description 1
- 239000002478 γ-tocopherol Substances 0.000 description 1
- QUEDXNHFTDJVIY-UHFFFAOYSA-N γ-tocopherol Chemical class OC1=C(C)C(C)=C2OC(CCCC(C)CCCC(C)CCCC(C)C)(C)CCC2=C1 QUEDXNHFTDJVIY-UHFFFAOYSA-N 0.000 description 1
- QUEDXNHFTDJVIY-DQCZWYHMSA-N γ-tocopherol Chemical compound OC1=C(C)C(C)=C2O[C@@](CCC[C@H](C)CCC[C@H](C)CCCC(C)C)(C)CCC2=C1 QUEDXNHFTDJVIY-DQCZWYHMSA-N 0.000 description 1
- 239000002446 δ-tocopherol Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/34—Heterocyclic compounds having nitrogen in the ring
- C08K5/3412—Heterocyclic compounds having nitrogen in the ring having one nitrogen atom in the ring
- C08K5/3432—Six-membered rings
- C08K5/3435—Piperidines
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/34—Heterocyclic compounds having nitrogen in the ring
- C08K5/3467—Heterocyclic compounds having nitrogen in the ring having more than two nitrogen atoms in the ring
- C08K5/3477—Six-membered rings
- C08K5/3492—Triazines
- C08K5/34926—Triazines also containing heterocyclic groups other than triazine groups
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/54—Silicon-containing compounds
- C08K5/544—Silicon-containing compounds containing nitrogen
- C08K5/5477—Silicon-containing compounds containing nitrogen containing nitrogen in a heterocyclic ring
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Description
"MISCELE SINERGICHE STABILIZZANTI" "SYNERGIC STABILIZING MIXTURES"
DESCRIZIONE DESCRIPTION
La presente invenzione riguarda miscele sinergiche stabilizzanti. The present invention relates to synergistic stabilizing mixtures.
Più in particolare la presente invenzione riguarda miscele sinergiche stabilizzanti comprendenti due specifiche polialchilpiperidìne ad elevato peso molecolare ed il loro utilizzo come stabilizzanti al calore, alla degradazione ossidativa ed alla luce di polimeri organici. More particularly, the present invention relates to synergistic stabilizing mixtures comprising two specific high molecular weight polyalkylpiperidines and their use as heat, oxidative degradation and light stabilizers of organic polymers.
La presente invenzione riguarda inoltre le composizioni polimeriche stabilizzate con le suddette miscele sinergiche ed i manufatti ottenuti da dette composizioni . The present invention also relates to the polymeric compositions stabilized with the aforementioned synergistic mixtures and the manufactured articles obtained from said compositions.
Miscele stabilizzanti comprendenti due polialchilpiperidine sono note nell'arte. Ad esempio, sono descritte nei brevetti USA 4,692,486, USA 4,863,981 ed USA 4,957,953, nella domanda di brevetto internazionale WO 449,685, nelle domande di brevetto europeo EP 449,685 ed EP 632,092, nella domanda di brevetto inglese GB 2,267,449 e nella pubblicazione ("Research Disclosure") RD 34,549 (Gennaio 1993). Stabilizing mixtures comprising two polyalkylpiperidines are known in the art. For example, they are described in US patents 4,692,486, US 4,863,981 and US 4,957,953, in international patent application WO 449,685, in European patent applications EP 449,685 and EP 632,092, in English patent application GB 2,267,449 and in the publication ("Research Disclosure" ) RD 34.549 (January 1993).
Nel brevetto europeo EP 728,806 viene descritta una miscela stabilizzante comprendente due specifiche polialchilpiperidine una delle quali deve essere almeno un composto avente formula generale (Ia): In the European patent EP 728,806 a stabilizing mixture is described comprising two specific polyalkylpiperidines, one of which must be at least one compound having general formula (Ia):
in cui Ri è un gruppo C1-C10 alchilico, un gruppo C5-C12 cicloalchilico eventualmente sostituito con gruppi C1-C4 alchilici, un fenile eventualmente sostituito gruppi C1-C10 alchilici; R2 è un gruppo C3-C10 alchilenico; R3 è un atomo di idrogeno, un gruppo C1-C8 alchilico, O , un gruppo -CH2CN, un gruppo C3-C6 alchenilico, un gruppo C7-C9 fenilalchilico eventualmente sostituito nel radicale fenilico con gruppi C1-C4 alchilici, un gruppo C1-C8 acilico; ed n1 è un numero compreso tra 1 e 50 estremi inclusi. wherein R1 is a C1-C10 alkyl group, a C5-C12 cycloalkyl group optionally substituted with C1-C4 alkyl groups, a phenyl optionally substituted C1-C10 alkyl groups; R2 is a C3-C10 alkylene group; R3 is a hydrogen atom, a C1-C8 alkyl group, O, a -CH2CN group, a C3-C6 alkenyl group, a C7-C9 phenylalkyl group possibly substituted in the phenyl radical with C1-C4 alkyl groups, a C1- group C8 acyl; and n1 is a number between 1 and 50 inclusive.
Esempio specifico del composto avente formula generale (Ia) è il seguente: Specific example of the compound having general formula (Ia) is the following:
poli— metilpropil— 3--ossi— [4— (2,2,6,6-tetrametil)-piperidinil]silossano, noto con il nome commerciale di UVASIL 299 della Great Lakes. L'UVASIL 299 è una miscela di prodotti ciclici e lineari rispondenti alla formula generale (Ia) sopra descritta: la quantità di prodotti ciclici e di prodotti lineari varia a seconda del peso molecolare che si vuole ottenere. poly— methylpropyl— 3 - oxy— [4— (2,2,6,6-tetramethyl) -piperidinyl] siloxane, known under the trade name of UVASIL 299 of Great Lakes. UVASIL 299 is a mixture of cyclic and linear products corresponding to the general formula (Ia) described above: the quantity of cyclic and linear products varies according to the molecular weight to be obtained.
La Richiedente ha ora trovato che l'utilizzo di un silossano rispondente alla formula generale (la) completamente ciclico in miscela con altre specifiche polialchìlpiperidine ad elevato peso molecolare, permette di ottenere miscele con valori di sinergia migliori di quelli riscontrati nell'arte nota. Di conseguenza, le miscele sinergiche così ottenute consentono una maggiore stabilizzazione al calore, alla degradazione ossidativa ed alla luce, dei polimeri organici a cui vengono aggiunte. The Applicant has now found that the use of a siloxane corresponding to the general formula (la) completely cyclic in mixture with other specific polyalkylpiperidines with a high molecular weight, allows to obtain mixtures with synergy values better than those found in the known art. Consequently, the synergistic mixtures thus obtained allow a greater stabilization to heat, oxidative degradation and light, of the organic polymers to which they are added.
Costituiscono pertanto oggetto della presente invenzione miscele stabilizzanti comprendenti almeno un componente (a) costituito da un composto avente formula generale (I): Therefore, the subject of the present invention are stabilizing mixtures comprising at least one component (a) consisting of a compound having general formula (I):
in cui: in which:
Ri rappresenta un gruppo C1-C10 alchilico; un gruppo C5-C12 cicloalchilico, detto gruppo cicloalchilico eventualmente sostituito con gruppi C1-C4 alchilici; un fenile, detto fenile eventualmente sostituito con gruppi C1-C10 alchilici; R1 represents a C1-C10 alkyl group; a C5-C12 cycloalkyl group, said cycloalkyl group optionally substituted with C1-C4 alkyl groups; a phenyl, said phenyl optionally substituted with C1-C10 alkyl groups;
R2 rappresenta un gruppo C3-C10 alchilenico; R2 represents a C3-C10 alkylene group;
R3 rappresenta un atomo di idrogeno; un gruppo C1-C8 alchilico; 0 ; un gruppo -CH2CN; un gruppo C3-C6 alchenilico; un gruppo C7-C9 fenilalchilico, detto gruppo fenilalchilico eventualmente sostituito nel radicale fenilico con gruppi C1-C4 alchilici; un gruppo C1-C8 acilico; R3 represents a hydrogen atom; a C1-C8 alkyl group; 0; a -CH2CN group; a C3-C6 alkenyl group; a phenylalkyl C7-C9 group, said phenylalkyl group optionally substituted in the phenyl radical with C1-C4 alkyl groups; a C1-C8 acyl group;
n è un numero compreso tra 1 e 50 estremi inclusi; n is a number between 1 and 50 inclusive;
ed almeno un componente scelto tra le seguenti polialchilpiperidine (b), (c), (d), (e), (f) e (g) in cui: and at least one component selected from the following polyalkylpiperidines (b), (c), (d), (e), (f) and (g) in which:
(b) è almeno un composto avente formula generale (II): (b) is at least one compound having general formula (II):
m cui m which
R4, R6, R7 ed R8, ciascuno indipendentemente, rappresentano un atomo di idrogeno; un gruppo C1-C12 alchìlico; un gruppo C5-C12 cicloalchilico, detto gruppo cicloalchilico eventualmente sostituito con gruppi C1-C4 alchilici; un gruppo fenilico, detto gruppo fenilico eventualmente sostituito con gruppi -OH e/o con gruppi C1-C10 alchilici; un gruppo C7-C9 fenilalchilico, detto gruppo fenilalchilico eventualmente sostituito nel gruppo fenilico con gruppi -OH e/o gruppi C1-C10 alchilici; un gruppo avente formula generale (III): R4, R6, R7 and R8, each independently, represent a hydrogen atom; a C1-C12 alkyl group; a C5-C12 cycloalkyl group, said cycloalkyl group optionally substituted with C1-C4 alkyl groups; a phenyl group, said phenyl group optionally substituted with -OH groups and / or with C1-C10 alkyl groups; a phenylalkyl C7-C9 group, said phenylalkyl group optionally substituted in the phenyl group with -OH groups and / or C1-C10 alkyl groups; a group having general formula (III):
R5 rappresenta un gruppo C2-C18 alchilenico; un gruppo C5-C7 cicloalchilenico; un gruppo C1-C4 alchilene-di (C5-C7-cicloalchilenico); R5 represents a C2-C18 alkylene group; a C5-C7 cycloalkylene group; a C1-C4 alkylene-di (C5-C7-cycloalkylene) group;
oppure i sostituenti R4, R5 ed R6, insieme agli atomi di azoto ai quali sono legati, formano un anello eterociclico a 5-10 atomi; or the substituents R4, R5 and R6, together with the nitrogen atoms to which they are bonded, form a heterocyclic ring with 5-10 atoms;
oppure, R7 ed Re, insieme agli atomi di azoto ai quali sono legati, formano un anello eterociclico a 5-10 atomi; or, R7 and Re, together with the nitrogen atoms to which they are bonded, form a heterocyclic ring with 5-10 atoms;
R9 ha gli stessi significati di R3; R9 has the same meanings as R3;
n2 è un numero compreso tra 2 e 50 estremi inclusi, ed n2 is a number between 2 and 50 inclusive, and
almeno uno dei radicali R4, R6, R7 ed R8 rappresenta un gruppo avente formula generale (III); (c) è almeno un composto ottenuto facendo reagire un composto ottenuto per reazione di una poliammina avente formula generale (IVa) con cloruro di cianurile, con un composto avente formula generale (IVb): at least one of the radicals R4, R6, R7 and R8 represents a group having general formula (III); (c) is at least one compound obtained by reacting a compound obtained by reaction of a polyamine having general formula (IVa) with cyanuryl chloride, with a compound having general formula (IVb):
in cui: in which:
na, nb ed nc ciascuno indipendentemente, sono un numero compreso tra 2 e 12 estremi inclusi; Rio rappresenta un atomo di idrogeno; un gruppo C1-C12 alchilico; un gruppo C5-C12 cicloalchilico; un gruppo fenilico; un gruppo C7-C9 fenilalchilico; na, nb and nc each independently, are a number between 2 and 12 inclusive; Rio represents a hydrogen atom; a C1-C12 alkyl group; a C5-C12 cycloalkyl group; a phenyl group; a C7-C9 phenylalkyl group;
R1 ha gli stessi significati di R3; R1 has the same meanings as R3;
(d) è almeno un composto avente formula generale (V): (d) is at least one compound having general formula (V):
in cui : in which :
R12 rappresenta un atomo di idrogeno od un metile; R12 represents a hydrogen atom or a methyl;
R13 rappresenta un legame diretto oppure un gruppo C1-C10 alchilenico; R13 represents a direct bond or a C1-C10 alkylene group;
n4 è un numero compreso tra 2 e 50 estremi inclusi; n4 is a number between 2 and 50 inclusive;
(e) è almeno un composto avente formula generale (VIa) o (VIb): (e) is at least one compound having general formula (VIa) or (VIb):
in cui : in which :
n5 ed n5*, ciascuno indipendentemente, sono un numero compreso tra 2 e 50 estremi inclusi; n5 and n5 *, each independently, are a number between 2 and 50 inclusive;
(f) è almeno un composto avente formula generale (VII): (f) is at least one compound having general formula (VII):
in cui in which
R14 ed R18, ciascuno indipendentemente, rappresentano un legame diretto; oppure un gruppo: in cui Χ1 ed X3, ciascuno indipendentemente, rappresentano un atomo di idrogeno, un gruppo C1-C8 alchilico, un gruppo C5-C12 cicloalchilico, un gruppo fenìlico, un gruppo C-7-C9 fenilalchilico, un gruppo avente formula generale (III); X2 rappresenta un legame diretto, un gruppo C1-C4 alchilenico; R14 and R18, each independently, represent a direct link; or a group: in which Χ1 and X3, each independently, represent a hydrogen atom, a C1-C8 alkyl group, a C5-C12 cycloalkyl group, a phenyl group, a C-7-C9 phenylalkyl group, a group having formula general (III); X2 represents a direct bond, a C1-C4 alkylene group;
R15 ha gli stessi significati di R3; R15 has the same meanings as R3;
ciascuno indipendentemente, rappresentano un atomo di idrogeno; un gruppo C1-C30 alchilico; un gruppo C5-C12 cicloalchilico; un gruppo fenilico; each independently, they represent a hydrogen atom; a C1-C30 alkyl group; a C5-C12 cycloalkyl group; a phenyl group;
R19 rappresenta un atomo di idrogeno; un gruppo C1-C30 alchilico; un gruppo C5-C12 cicloalchilico; un gruppo C7-C9 fenilalchilico; un gruppo fenilico; un gruppo avente formula generale (III); R19 represents a hydrogen atom; a C1-C30 alkyl group; a C5-C12 cycloalkyl group; a C7-C9 phenylalkyl group; a phenyl group; a group having general formula (III);
n6 è un numero compreso tra 1 e 50 estremi inclusi; n6 is a number between 1 and 50 inclusive;
(g) è almeno un composto avente formula generale (VIII): (g) is at least one compound having general formula (VIII):
in cui: in which:
R 22, R23, R24, R25 ed R26, ciascuno indipendentemente, rappresentano un legame diretto; un gruppo C1-C10 alchilenico; R 22, R23, R24, R25 and R26, each independently, represent a direct link; a C1-C10 alkylene group;
R27 ha gli stessi significati di R3; R27 has the same meanings as R3;
n7 è un numero compreso tra 1 e 50 estremi inclusi . n7 is a number between 1 and 50 inclusive.
Esempi di gruppi alchilici aventi fino a 30 atomi di carbonio sono: metile, etile, propile, isopropile, n-butile, s-butile, isobutìle, tbutile, 2-etilbutile, n-pentile, isopentile, 1metilpentile , 1,3-dimetilbutile, n-esile, 1-metilesile, n-eptile, isoeptile, 1,1,3,3-tetrametilbutile, 1-metileptile, 3-metileptile, nottile, 2-etilesile, 1,1,3-trimetilesile, 1,1,3,3-tetrametilpentile, nonile, decile, undecile, 1-metilundecile, dodecile, 1,1,3,3,5,5-esametilesile, tridecile, tetradecile, pentadecile, esadecile, eptadecile, ottadecile, eicosile, docosile, triacontile, ecc. Preferibilmente, i sostituenti R3, R9, R1, R15, R17, R21 ed R27 rappresentano un gruppo C1-C4 alchilico, in particolare un metile. Preferibilmente, i sostituenti R16 ed R20 rappresentano un gruppo C1-C25 alchilico, in particolare un gruppo C15-C25 alchilico quale, ad esempio, esadecile oppure un gruppo C18-C22 alchilico. Preferibilmente, il sostituente R19 rappresenta un gruppo C1-C25 alchilico, in particolare ottadecile. Examples of alkyl groups having up to 30 carbon atoms are: methyl, ethyl, propyl, isopropyl, n-butyl, s-butyl, isobutyl, tbutyl, 2-ethylbutyl, n-pentyl, isopentyl, 1methylpentyl, 1,3-dimethylbutyl , n-hexyl, 1-methylhexyl, n-heptyl, isoheptyl, 1,1,3,3-tetramethylbutyl, 1-methylheptyl, 3-methylhexyl, noctyl, 2-ethylhexyl, 1,1,3-trimethylhexyl, 1,1 , 3,3-tetramethylpentyl, nonyl, decyl, undecyl, 1-methylundecyl, dodecyl, 1,1,3,3,5,5-hexamethylhexyl, tridecyl, tetradecyl, pentadecyl, hexadecyl, heptadecyl, octadecyl, eicosyl, docosyl, triacontyl , etc. Preferably, the substituents R3, R9, R1, R15, R17, R21 and R27 represent a C1-C4 alkyl group, in particular a methyl. Preferably, the substituents R16 and R20 represent a C1-C25 alkyl group, in particular a C15-C25 alkyl group such as, for example, hexadecyl or a C18-C22 alkyl group. Preferably, the substituent R19 represents a C1-C25 alkyl group, in particular octadecyl.
Esempi di gruppi C5-C12 cicloalchilici sono: ciclopentile, cicloesile, cicloeptile, ciclottile, ciclododecile, ecc. Preferiti sono i gruppi C5-C8 cicloalchilici, in particolare cicloesile. Examples of C5-C12 cycloalkyl groups are: cyclopentyl, cyclohexyl, cycloheptyl, cyclo-octyl, cyclododecyl, etc. Preferred are the C5-C8 cycloalkyl groups, in particular cyclohexyl.
Esempi di gruppi C5-C12 cicloalchilici sostituiti con gruppi C1-C4 alchilici sono: metilcicloesile, dimetilcicloesile, ecc. Examples of C5-C12 cycloalkyl groups substituted with C1-C4 alkyl groups are: methylcyclohexyl, dimethylcyclohexyl, etc.
Esempi di gruppi fenilici sostituiti con gruppi -OH e/o con gruppi C1-C10 alchilici sono: metilfenile, dimetilfenile, trimetilfenile, t-butilfenile, 3,5-di-t-butil-4-idrossifenile, ecc. Examples of phenyl groups substituted with -OH groups and / or with C1-C10 alkyl groups are: methylphenyl, dimethylphenyl, trimethylphenyl, t-butylphenyl, 3,5-di-t-butyl-4-hydroxyphenyl, etc.
Esempi di gruppi C7-C9 fenilalchilici sono: benzile, feniletile, ecc. Examples of phenylalkyl C7-C9 groups are: benzyl, phenylethyl, etc.
Esempi di gruppi C7-C9 fenilalchilici sostituiti nel gruppo fenilico con gruppi -OH e/o gruppi alchilici aventi fino a 10 atomi di carbonio, sono: metilbenzile, dimetilbenzile, trimetilbenzile, tbutilbenzile, 3,5-di-t-butil-4-idrossifenile, ecc. Examples of C7-C9 phenylalkyl groups substituted in the phenyl group with -OH groups and / or alkyl groups having up to 10 carbon atoms, are: methylbenzyl, dimethylbenzyl, trimethylbenzyl, tbutylbenzyl, 3,5-di-t-butyl-4- hydroxyphenyl, etc.
Esempi di gruppi C3-C6 alchenilici sono: allile, 2-metallile, butenile, pentenile, esenile, ecc. Preferito è il gruppo allile. Examples of C3-C6 alkenyl groups are: allyl, 2-metallyl, butenyl, pentenyl, hexenyl, etc. Preferred is the allyl group.
Esempi di gruppi C1-C8 acilici sono, preferibilmente, gruppi C1-C8 alcanoilici, gruppi C3-C8 alchenoilici, benzoile. Esempi di detti gruppi sono: formile, acetile, propionile, butirrile, pentanoile, esanoile, ottanoile, benzoile, acriloile, crotonile, ecc. Examples of C1-C8 acyl groups are, preferably, C1-C8 alkanoyl groups, C3-C8 alkenoyl groups, benzoyl. Examples of said groups are: formyl, acetyl, propionyl, butyryl, pentanoyl, hexanoyl, octanoyl, benzoyl, acryloyl, crotonyl, etc.
Esempi di gruppi alchilenici aventi fino a 18 atomi di carbonio sono: metilene, etilene, propilene, trimetilene, tetrametilene, pentametilene, 2,2-dimetiltrimetilene, esametilene, trimetilesametilene, ottametilene, decametilene, ecc. Il sostituente R5 rappresenta, preferibilmente, esametilene; il sostituente R13 rappresenta, preferibilmente, etilene; i sostituenti R22 ed R24 rappresentano, preferibilmente, metilene; il sostituente R25 rappresenta, preferibilmante, 2,2-dimetiletilene; il sostituente R26 rappresenta, preferibilmente, 1,1-dimetiletilene. Examples of alkylene groups having up to 18 carbon atoms are: methylene, ethylene, propylene, trimethylene, tetramethylene, pentamethylene, 2,2-dimethyltrimethylene, hexamethylene, trimethylhexamethylene, octamethylene, decamethylene, etc. The substituent R5 preferably represents hexamethylene; the substituent R13 preferably represents ethylene; the substituents R22 and R24 preferably represent methylene; the substituent R25 preferably represents 2,2-dimethylethylene; the substituent R26 preferably represents 1,1-dimethylethylene.
Esempio di gruppo C5-C7 cicloalchilenico è cicloesilene. Example of C5-C7 cycloalkylene group is cyclohexylene.
Esempio di gruppo C1-C4 alchilene-di(C5-C7-cicloalchilenico) è metilenedicicloesilene. Example of C1-C4 alkylene-di (C5-C7-cycloalkylene) group is methylenedicyclohexylene.
Esempi di anelli eterociclici a 5-10 atomi, nel caso in cui i sostituenti R4, R5 ed R6 insieme agli atomi di azoto ai quali sono legati formano un anello eterociclico avente 5-10 atomi, sono: Examples of heterocyclic rings with 5-10 atoms, in the case in which the substituents R4, R5 and R6 together with the nitrogen atoms to which they are bonded form a heterocyclic ring having 5-10 atoms, are:
Preferiti sono gli anelli eterociclici a 6 atomi . 6-atom heterocyclic rings are preferred.
Esempi di anelli eterociclici a 5-10 atomi, nel caso in cui i sostituenti R7 ed R8 insieme agli atomi di azoto ai quali sono legati formano un anello eterociclico avente 5-10 atomi, sono: 1-pirrolidile, piperidino, morfolino, 1-piperazìnile, 4-metil-1-piperazinile, 1-esaidroazepinile, 5,5,7-trimetil-1-omopiperazinile, 4,5,5,7-tetrametil-1-omopiperazinile, ecc. Preferito è il gruppo morfolino . Examples of heterocyclic rings with 5-10 atoms, in the case in which the substituents R7 and R8 together with the nitrogen atoms to which they are bonded form a heterocyclic ring having 5-10 atoms, are: 1-pyrrolidyl, piperidino, morpholino, 1- piperazinyl, 4-methyl-1-piperazinyl, 1-hexahydroazepinyl, 5,5,7-trimethyl-1-homopiperazinyl, 4,5,5,7-tetramethyl-1-homopiperazinyl, etc. Preferred is the morpholino group.
Preferibilmente, i sostituenti R16 ed R20 rappresentano un gruppo fenile. Preferably, the substituents R16 and R20 represent a phenyl group.
Preferibilmente, i sostituenti X2 ed R23 rappresentano un legame diretto. Preferably, the substituents X2 and R23 represent a direct bond.
Preferibilmente, i sostituenti Χ1, X3, R3, R9, R1, R15, ed R27 rappresentano un atomo di idrogeno. Preferably, the substituents Χ1, X3, R3, R9, R1, R15, and R27 represent a hydrogen atom.
Preferibilmente, n1 è un numero compreso tra 1 e 25 estremi inclusi, in particolare compreso tra 2 e 20 o 2 e 10 estremi inclusi; n2 è un numero compreso tra 2 e 25 estremi inclusi; na, nb ed nc sono un numero compreso tra 2 e 4 estremi inclusi; n4 è un numero compreso tra 2 e 25 estremi inclusi, in particolare tra 2 e 20 o 2 e 10 estremi inclusi; n5 ed n5* sono un numero compreso tra 2 e 25, in particolare tra 2 e 20 o 2 e 10 estremi inclusi; n6 è un numero compreso tra 1 e 25 estremi inclusi, in particolare tra 1 e 20 o 1 e 10 estremi inclusi; n7 è un numero compreso tra 1 e 25 estremi inclusi, in particolare tra 1 e 20 o 1 e 10 estremi inclusi. Il componente (a) può essere ottenuto come descritto, ad esempio, nei brevetti USA 4,684,726, USA 4,946,880 e USA 5,051,458. Preferably, n1 is a number comprised between 1 and 25 inclusive, in particular comprised between 2 and 20 or 2 and 10 inclusive; n2 is a number between 2 and 25 inclusive; na, nb and nc are a number between 2 and 4 inclusive; n4 is a number between 2 and 25 inclusive, in particular between 2 and 20 or 2 and 10 inclusive; n5 and n5 * are a number between 2 and 25, in particular between 2 and 20 or 2 and 10 extremes included; n6 is a number between 1 and 25 inclusive, in particular between 1 and 20 or 1 and 10 inclusive; n7 is a number between 1 and 25 inclusive, in particular between 1 and 20 or 1 and 10 inclusive. Component (a) can be obtained as described, for example, in US 4,684,726, US 4,946,880 and US 5,051,458.
I composti descritti come componenti da (b) a (g) sono generalmente noti nell'arte ed, in alcuni casi, disponibili commercialmente; oppure possono essere preparati con processi noti descritti, ad esempio nei brevetti USA 5,051,458, USA 4,086,204, USA 4,331,586, USA 4,477,615 e Chemical Abstract -CAS No. 136504-96-6, USA 4,233,412, USA 4,340,534, USA 4,857,595, nella domanda di brevetto DD 262,439 (Derwent 89-122 983/17), in Chemical Abstracts 111:58 964u), nella domanda di brevetto DE 4,239,437 (Derwent 94-177 274/22) e nel brevetto USA 4,529,760. The compounds described as components from (b) to (g) are generally known in the art and, in some cases, commercially available; or they can be prepared with known processes described, for example in US patents 5,051,458, US 4,086,204, US 4,331,586, US 4,477,615 and Chemical Abstract - CAS No. 136504-96-6, USA 4,233,412, USA 4,340,534, USA 4,857,595, in the patent application DD 262,439 (Derwent 89-122 983/17), in Chemical Abstracts 111: 58 964u), in patent application DE 4,239,437 (Derwent 94-177 274/22) and in US patent 4,529,760.
Il componente (c) può essere preparato analogamente a processi noti, ad esempio, per reazione di una poliammina avente formula generale (IVa) con cloruro di cianurile in rapporto molare compreso tra 1:2 e 1:4, in presenza di carbonato di litio anidro, carbonato di sodio anidro o carbonato di potassio anidro, in un solvente organico, quale 1,2-dicloroetano, toluene, xilene, benzene, diossano o t-amil alcool, a una temperatura compresa tra -20°C e 10°C, preferibilmente tra -10°C e 10°C, in particolare tra 0°C e 10°C, per un tempo compreso tra 2 ed 8 ore, seguita dalla reazione del prodotto così ottenuto con la 2,2,6,6-tetrametil-4-piperidilammina avente formula generale (IVb). Il rapporto molare fra la 2,2,6,6-tetrametil-4-piperidilammina e la poliammina avente formula generale (IVa) è compreso, ad esempio, tra 4:1 e 8:1. La quantità di 2,2,6,6-tetrametil-4-piperidilammina può essere aggiunta in una porzione o in più di una porzione ad intervalli di poche ore. Component (c) can be prepared analogously to known processes, for example, by reaction of a polyamine having general formula (IVa) with cyanuryl chloride in a molar ratio between 1: 2 and 1: 4, in the presence of lithium carbonate anhydrous, anhydrous sodium carbonate or anhydrous potassium carbonate, in an organic solvent, such as 1,2-dichloroethane, toluene, xylene, benzene, dioxane or t-amyl alcohol, at a temperature between -20 ° C and 10 ° C , preferably between -10 ° C and 10 ° C, in particular between 0 ° C and 10 ° C, for a time between 2 and 8 hours, followed by the reaction of the product thus obtained with the 2,2,6,6- tetramethyl-4-piperidylamine having general formula (IVb). The molar ratio between 2,2,6,6-tetramethyl-4-piperidylamine and the polyamine having general formula (IVa) is comprised, for example, between 4: 1 and 8: 1. The amount of 2,2,6,6-tetramethyl-4-piperidylamine can be added in a portion or in more than one portion at intervals of a few hours.
Il rapporto poliammina avente formula generale (IVa):cloruro di cianurile:2,2,6,6-tetrametil-4-piperidilammina avente formula (IVb) è, preferibilmente, compreso tra 1:3:5 e 1:3:6. The polyamine ratio having general formula (IVa): cyanuryl chloride: 2,2,6,6-tetramethyl-4-piperidylamine having formula (IVb) is preferably between 1: 3: 5 and 1: 3: 6.
Ad esempio, il componente (c) può essere preparatro come di seguito descritto. For example, component (c) can be prepared as described below.
Esempio: 23,6 g (0,128 moli) di cloruro di cianurile, 7,43 g (0,0426 moli) di N,N'-bis(3-amminopropil)etilenediammina e 18 g (0,13 moli) di carbonato di potassio anidro, vengono fatti reagire a 5°C per 3 ore, sotto agitazione, in 250 mi di 1,2-dicloroetano. La miscela viene riscaldata a temperatura ambiente per le successive 4 ore. Example: 23.6 g (0.128 mol) of cyanuryl chloride, 7.43 g (0.0426 mol) of N, N'-bis (3-aminopropyl) ethylenediamine and 18 g (0.13 mol) of carbonate anhydrous potassium, are reacted at 5 ° C for 3 hours, under stirring, in 250 ml of 1,2-dichloroethane. The mixture is heated to room temperature for the next 4 hours.
27,2 g (0,128 moli) di N-(2,2,6,6-tetrametil-4piperidil)butilammina vengono aggiunti, e la miscela risultante viene scaldata a 60°C per 2 ore. Vengono aggiunti altri 18 g (0,13 moli) di carbonato di potassio anidro, e la miscela viene riscaldata a 60°C per le successive 6 ore. Il solvente viene rimosso tramite distillazione sotto leggero vuoto (200 mbar) e sostituito da xilene. Vengono aggiunti 18,2 g (0,085 moli) di N-(2,2,6,6-tetrametil-4-piperidil)butilammina e 5,2 g (0,13 moli) di idrossido di sodio macinato, la miscela viene lasciata a riflusso per 2 ore e, dopo altre 12 ore, l'acqua formatasi durante la reazione viene rimossa tramite distillazione azeotropica. La miscela viene filtrata. La soluzione viene lavata con acqua ed asciugata su Na2SO4. Il solvente viene fatto evaporare, ed il residuo viene essicato a 120°C-130°C sotto vuoto (0,1 mbar). Il componente (c) ottenuto è una resina trasparente . 27.2 g (0.128 mol) of N- (2,2,6,6-tetramethyl-4piperidyl) butylamine are added, and the resulting mixture is heated to 60 ° C for 2 hours. An additional 18 g (0.13 moles) of anhydrous potassium carbonate are added, and the mixture is heated to 60 ° C for the next 6 hours. The solvent is removed by distillation under light vacuum (200 mbar) and replaced by xylene. 18.2 g (0.085 mol) of N- (2,2,6,6-tetramethyl-4-piperidyl) butylamine and 5.2 g (0.13 mol) of ground sodium hydroxide are added, the mixture is left under reflux for 2 hours and, after another 12 hours, the water formed during the reaction is removed by azeotropic distillation. The mixture is filtered. The solution is washed with water and dried over Na2SO4. The solvent is evaporated, and the residue is dried at 120 ° C-130 ° C under vacuum (0.1 mbar). The component (c) obtained is a transparent resin.
Generalmente, il componente (c) può essere rappresentato da uno dei seguenti composti aventi formula generale (IV-1), (IV-2) o (IV-3); oppure, il componente (c) può anche essere una miscela dei suddetti tre composti: Generally, component (c) can be represented by one of the following compounds having general formula (IV-1), (IV-2) or (IV-3); or, component (c) can also be a mixture of the above three compounds:
Composto avente formula generale (IV-1) preferito è : Compound having general formula (IV-1) preferred is:
Composto avente formula generale (IV-2) preferito e: Compound having general formula (IV-2) preferred and:
Composto avente formula generale (IV-3) preferito è: Compound having general formula (IV-3) preferred is:
Nelle formule generali (IV-1), (IV-2) e (IV-3) e (IV-1'), (IV-2') e (IV-3'), n3 è, preferibilmente, un numero compreso tra 1 e 20 estremi inclusi. In the general formulas (IV-1), (IV-2) and (IV-3) and (IV-1 '), (IV-2') and (IV-3 '), n3 is preferably a number including between 1 and 20 inclusive.
Preferibilmente, allo scopo della presente invenzione, vengono utilizzati i seguenti composti: CHIMASSORB 944<®>, CYASORB UV 3346<® >o DASTAB 1082<® >come componente (b), UVASORB HA 88<® >come componente (c), LOWILITE 62<® >come componente (d), HOSTAVIN N 30<® >come componente (e), UVINUL 5050 H<®>, LICHTSCHUTZSTOFF UV 31<® >o LUCHEM B 18<® >come componente (f), MARK LA 63<® >o MARK LA 68<® >come componente (g). Preferably, for the purpose of the present invention, the following compounds are used: CHIMASSORB 944 <®>, CYASORB UV 3346 <®> or DASTAB 1082 <®> as component (b), UVASORB HA 88 <®> as component (c), LOWILITE 62 <®> as component (d), HOSTAVIN N 30 <®> as component (e), UVINUL 5050 H <®>, LICHTSCHUTZSTOFF UV 31 <®> or LUCHEM B 18 <®> as component (f), MARK LA 63 <®> or MARK LA 68 <®> as component (g).
I composti aventi formula generale (VIa) e (VIb) possono essere utilizzati come miscela oppure come tali, come componente (e) allo scopo della presente invenzione. Il rapporto (VIa):(VIb) è compreso, ad esempio, tra 20:1 e 1:20, oppure tra 1:10 e 10:1. The compounds having general formula (VIa) and (VIb) can be used as a mixture or as such, as component (e) for the purpose of the present invention. The ratio (VIa) :( VIb) is included, for example, between 20: 1 and 1:20, or between 1:10 and 10: 1.
I significati dei gruppi terminali che saturano le valenze libere nei composti aventi formula generale (II), (IV-1), (IV-2), (IV-3), (V), (Via), (VIb), (VII) ed (VIII), dipendono dal processo utilizzato per la loro preparazione. I gruppi terminali possono anche essere modificati dopo la preparazione dei composti. The meanings of the terminal groups that saturate the free valences in compounds having general formula (II), (IV-1), (IV-2), (IV-3), (V), (Via), (VIb), ( VII) and (VIII), depend on the process used for their preparation. The terminal groups can also be modified after the preparation of the compounds.
Nel caso in cui i composti aventi formula generale (II) vengono preparati facendo reagire un composto avente formula generale (IIa): In the case in which the compounds having general formula (II) are prepared by reacting a compound having general formula (IIa):
in cui X rappresenta, ad esempio, un atomo di alogeno, preferibilmente cloro, ed R7 ed R8 hanno gli stessi significati sopra descritti, con un composto avente formula generale (IIb): in which X represents, for example, a halogen atom, preferably chlorine, and R7 and R8 have the same meanings described above, with a compound having general formula (IIb):
in cui R4, R5 ed R6 hanno gli stessi significati sopra descritti, il gruppo terminale legato al radicale diamminico è un atomo di idrogeno oppure un composto avente formula generale (IIc): in which R4, R5 and R6 have the same meanings described above, the terminal group bonded to the diamine radical is a hydrogen atom or a compound having general formula (IIc):
ed il gruppo terminale legato al radicale triazinico è un sostituente X oppure un gruppo avente formula generale (IId): and the terminal group bound to the triazine radical is a substituent X or a group having general formula (IId):
Nel caso in cui X rappresenta un atomo di alogeno, è vantaggioso sostituirlo, ad esempio, con un gruppo -OH od un gruppo amminico al termine della suddetta reazione. Esempi di gruppi amminici che possono essere utilizzati allo scopo sono: pirrolidin-1-ile, morfolino, -NH2, -N[(C1-C8)-alchile]2 e -NR (C1-C8)alchile in cui R rappresenta un atomo di idrogeno oppure un gruppo avente formula generale (III)-Nei composti aventi formula generale (IV-1), (IV-2) e (IV-3), il gruppo terminale legato al radicale triazinico è, ad esempio, un atomo di cloro oppure un gruppo avente formula generale (IV-a'): If X represents a halogen atom, it is advantageous to replace it, for example, with an -OH group or an amino group at the end of the above reaction. Examples of amino groups that can be used for this purpose are: pyrrolidin-1-yl, morpholino, -NH2, -N [(C1-C8) -alkyl] 2 and -NR (C1-C8) alkyl in which R represents an atom of hydrogen or a group having general formula (III) -In compounds having general formula (IV-1), (IV-2) and (IV-3), the terminal group bonded to the triazine radical is, for example, an atom of chlorine or a group having general formula (IV-a '):
in cui R10 ed R11 hanno gli stessi significati sopra descritti ed il gruppo terminale legato al radicale amminico è, ad esempio, un atomo di idrogeno oppure un gruppo avente formula generale (IV-b'): in which R10 and R11 have the same meanings described above and the terminal group bonded to the amino radical is, for example, a hydrogen atom or a group having general formula (IV-b '):
in cui R10 ed R1 hanno gli stessi significati sopra descritti . wherein R10 and R1 have the same meanings described above.
Nel caso in cui i composti aventi formula generale (V) vengono preparati, ad esempio, facendo reagire un composto avente formula (Va): In the case in which the compounds having general formula (V) are prepared, for example, by reacting a compound having formula (Va):
in cui R12 rappresenta un atomo di idrogeno od un gruppo metile, con un diestere di un acido dicarbossilico avente formula generale Y-OOC-R13-COO-Y in cui Y rappresenta, ad esempio, metile, etile o propile ed R13 ha gli stessi significati sopra descritti, il gruppo terminale legato al radicale 2,2, 6,6-tetrametil-4-ossipiperidin-1-ile è un atomo di idrogeno oppure un gruppo avente formula generale -CO-R13-COO-Y, ed il gruppo terminale legato al radicale diacilico è un gruppo -0-Y oppure un gruppo avente formula generale (Vb): in which R12 represents a hydrogen atom or a methyl group, with a diester of a dicarboxylic acid having general formula Y-OOC-R13-COO-Y in which Y represents, for example, methyl, ethyl or propyl and R13 has the same meanings described above, the terminal group linked to the radical 2,2, 6,6-tetramethyl-4-oxipiperidin-1-yl is a hydrogen atom or a group having the general formula -CO-R13-COO-Y, and the group terminal bonded to the diacyl radical is a -0-Y group or a group having general formula (Vb):
Nei composti aventi formula generale (VIa), il gruppo terminale legato all'azoto può essere, ad esempio, un atomo di idrogeno ed il gruppo terminale legato al radicale 2-idrossipropilenico può essere, ad esempio,·un gruppo avente formula (VIa'): In compounds having general formula (VIa), the terminal group bonded to nitrogen can be, for example, a hydrogen atom and the terminal group bonded to the 2-hydroxypropylene radical can be, for example, a group having formula (VIa ' ):
Nei composti aventi formula generale (VIb), il gruppo terminale legato al radicale dimetilenico può essere, ad esempio, un gruppo -OH, ed il gruppo terminale legato all'ossigeno può essere, ad esempio, un atomo di idrogeno. I gruppi terminali possono anche essere radicali polieteri. In compounds having general formula (VIb), the terminal group bonded to the dimethylene radical can be, for example, an -OH group, and the terminal group bonded to oxygen can be, for example, a hydrogen atom. The end groups can also be polyether radicals.
Nei composti aventi formula generale (VII), il gruppo terminale legato all'anello 2,5-diossopirrolidinico è, ad esempio, un atomo di idrogeno, ed il gruppo terminale legato al radicale -C(R20)(R21)-è, ad esempio, un gruppo avente formula generale (VIIa) o (VIIb): In compounds having general formula (VII), the terminal group bonded to the 2,5-dioxopyrrolidine ring is, for example, a hydrogen atom, and the terminal group bonded to the radical -C (R20) (R21) -is, for example example, a group having general formula (VIIa) or (VIIb):
in cui R14, R15, R18 ed R19 hanno gli stessi significati sopra descritti. wherein R14, R15, R18 and R19 have the same meanings described above.
Nei composti aventi formula generale (VIII) il gruppo terminale legato al radicale carbonilico è, ad esempio, un gruppo avente formula generale (VIIIa): In compounds having general formula (VIII) the terminal group bonded to the carbonyl radical is, for example, a group having general formula (VIIIa):
in cui R27 ha gli stessi significati sopra descritti ed il gruppo terminale legato all'ossigeno è, ad esempio, un gruppo avente formula generale (VIIIb): in which R27 has the same meanings described above and the terminal group linked to oxygen is, for example, a group having the general formula (VIIIb):
in cui R22, R23, R24 ed R27 hanno gli stessi sìgnìficati sopra descritti. wherein R22, R23, R24 and R27 have the same meaning as described above.
Miscele stabilizzanti preferite allo scopo deila presente invenzione in cui, nei componenti (a)-(g): Preferred stabilizing mixtures for the purpose of the present invention wherein, in components (a) - (g):
R1 è un gruppo C1-C4 alchilico, un gruppo C5-C8 cicloalchilico, un gruppo fenilico; R1 is a C1-C4 alkyl group, a C5-C8 cycloalkyl group, a phenyl group;
R2 è un gruppo C3-C6 alchilenico; R2 is a C3-C6 alkylene group;
n1 è un numero compreso tra 1 e 25; n1 is a number between 1 and 25;
R3, R9, R1, R15 ed R27 sono, ciascuno indipendentemente, un atomo di idrogeno od un metile; R4, R6, R7 ed R8 sono, ciascuno indipendentemente, un atomo di idrogeno; un gruppo C1-C8 alchilico; un gruppo C5-C8 cicloalchilico; un gruppo fenilico; un gruppo C7-C9 fenilalchilico; un gruppo avente formula generale (III); opppure, i sostituenti R7 ed R8, insieme all'atomo di azoto al quale sono legati, formano un anello eterociclico a 6 atomi; R3, R9, R1, R15 and R27 are, each independently, a hydrogen atom or a methyl; R4, R6, R7 and R8 are, each independently, a hydrogen atom; a C1-C8 alkyl group; a C5-C8 cycloalkyl group; a phenyl group; a C7-C9 phenylalkyl group; a group having general formula (III); or, the substituents R7 and R8, together with the nitrogen atom to which they are bonded, form a heterocyclic ring with 6 atoms;
R5 rappresenta un gruppo C2-C10 alchilenico; n2 è un numero compreso tra 2 e 25 estremi inclusi; R5 represents a C2-C10 alkylene group; n2 is a number between 2 and 25 inclusive;
na, nb ed nc, ciascuno indipendentemente, sono un numero compreso tra 2 e 4 estremi inclusi; Rio rappresenta un gruppo C1-C4 alchilico; na, nb and nc, each independently, are a number between 2 and 4 inclusive; Rio represents a C1-C4 alkyl group;
R12 rappresenta un atomo di idrogeno; R12 represents a hydrogen atom;
R13 rappresenta un gruppo etilenico; R13 represents an ethylene group;
n4 è un numero compreso tra 2 e 25 estremi inclusi; n4 is a number between 2 and 25 inclusive;
n5 e n5*, ciascuno indipendentemente, sono un numero compreso tra 2 e 25 estremi inclusi; n5 and n5 *, each independently, are a number between 2 and 25 inclusive;
R1 ed R18 rappresentano un legame diretto; un gruppo in cui X1 ed X3, ciascuno indipendentemente, rappresentano un atomo di idrogeno oppure un gruppo C1-C4 alchilico ed X2 rappresenta un legame diretto; R1 and R18 represent a direct link; a group in which X1 and X3, each independently, represent a hydrogen atom or a C1-C4 alkyl group and X2 represents a direct bond;
R16 ed R20 rappresentano un gruppo C1-C25 alchilico; un gruppo fenilico; R16 and R20 represent a C1-C25 alkyl group; a phenyl group;
R17 ed R21 rappresentano un atomo di idrogeno; un gruppo C1-C4 alchilico; R17 and R21 represent a hydrogen atom; a C1-C4 alkyl group;
R19 rappresenta un gruppo C1-C25 alchilico; un gruppo avente formula generale (III); R19 represents a C1-C25 alkyl group; a group having general formula (III);
n6 è un numero compreso tra 1 e 25 estremi inclusi; n6 is a number between 1 and 25 inclusive;
R22 , R24, R25 ed R26 rappresentano un gruppo C1-C4 alchilenico; R22, R24, R25 and R26 represent a C1-C4 alkylene group;
R23 rappresenta un legame diretto; R23 represents a direct link;
n7 è un numero compreso tra 1 e 25 estremi inclusi. n7 is a number between 1 and 25 inclusive.
Miscele stabilizzanti ancora più preferite allo scopo della presente invenzione sono quelle in cui il componente (a) è un composto (a') avente formula (I-A'): Even more preferred stabilizing mixtures for the purpose of the present invention are those in which component (a) is a compound (a ') having formula (I-A'):
in cui R3 è un atomo di idrogeno od un metile ed n è un numero compreso tra 1 e 20 estremi inclusi; il componente (b) è almeno un composto avente formula (II-B-1), (II-B-2) o (II-B-3): wherein R3 is a hydrogen atom or a methyl and n is a number comprised between 1 and 20 inclusive; component (b) is at least one compound having formula (II-B-1), (II-B-2) or (II-B-3):
in cui n2 è un numero compreso tra 2 e 20 estremi where n2 is a number between 2 and 20 extremes
inclusi; included;
il componente (c) è almeno un composto ottenuto fa- component (c) is at least one compound obtained by
cendo reagire un prodotto ottenuto dalla reazione by reacting a product obtained from the reaction
di una poliammina avente formula (IVa-1): of a polyamine having formula (IVa-1):
con cloruro di cianurile, con un composto avente with cyanuryl chloride, with a compound having
formula (IVb-1): formula (IVb-1):
il componente (d) è almeno un composto avente for- component (d) is at least one compound having form-
mula (V-D): mule (V-D):
in cui n4 è un numero compreso tra 2 e 20 estremi inclusi; where n4 is a number between 2 and 20 inclusive;
il componente (e) è almeno un composto in cui n5 ed n5* sono, ciascuno indipendentemente, un numero compreso tra 2 e 20 estremi inclusi; component (e) is at least one compound in which n5 and n5 * are, each independently, a number comprised between 2 and 20 extremes included;
il componente (f) è almeno un composto avente formula (VII-F-1), (VII-F-2) o (VII-F-3): component (f) is at least one compound having formula (VII-F-1), (VII-F-2) or (VII-F-3):
in cui n6 è un numero compreso tra 1 e 20 estremi inclusi; where n6 is a number between 1 and 20 inclusive;
il componente (g) è almeno un composto avente formula (VIII-G): component (g) is at least one compound having formula (VIII-G):
in cui R27 rappresenta un atomo di idrogeno od un metile ed n7 è un numero compreso tra 1 e 20 estremi inclusi. in which R27 represents a hydrogen atom or a methyl and n7 is a number between 1 and 20 inclusive.
Esempi di miscele stabilizzanti utili allo scopo della presente invenzione, da non considerarsi in alcun modo limitative della stessa sono: Examples of stabilizing mixtures useful for the purpose of the present invention, not to be considered limiting in any way, are:
1. miscela stabilizzante comprendente i composti (a) e (b); 1. stabilizing mixture comprising compounds (a) and (b);
2. miscela stabilizzante comprendente i composti (a) e (c); 2. stabilizing mixture comprising compounds (a) and (c);
3. miscela stabilizzante comprendente i composti (a) e <d); 3. stabilizing mixture comprising compounds (a) and <d);
4. miscela stabilizzante comprendente i composti (a) ed (e); 4. stabilizing mixture comprising compounds (a) and (e);
5. miscela stabilizzante comprendente i composti (a) ed (f); e 5. stabilizing mixture comprising compounds (a) and (f); And
6. miscela stabilizzante comprendente i composti (a) e (g). 6. stabilizing mixture comprising compounds (a) and (g).
Particolarmente preferite sono le seguenti miscele stabilizzanti: Particularly preferred are the following stabilizing mixtures:
a) miscela stabilizzante comprendente almeno un composto (a') ed almeno un composto avente formula (II-B-1); a) stabilizing mixture comprising at least one compound (a ') and at least one compound having formula (II-B-1);
b) miscela stabilizzante comprendente almeno un composto (a') ed almeno un composto avente formula (II-B-3); b) stabilizing mixture comprising at least one compound (a ') and at least one compound having formula (II-B-3);
c) miscela stabilizzante comprendente almeno un composto (a') ed un prodotto ottenuto dalla reazione di una poliammina avente formula (IVa-1) : c) stabilizing mixture comprising at least one compound (a ') and a product obtained from the reaction of a polyamine having formula (IVa-1):
con cloruro di cianurile, con un composto avente formula (IVb-1): with cyanuryl chloride, with a compound having formula (IVb-1):
d) miscela stabilizzante comprendente almeno un composto (a') ed almeno un composto avente formula (V-D); d) stabilizing mixture comprising at least one compound (a ') and at least one compound having formula (V-D);
e) miscela stabilizzante comprendente almeno un composto (a') ed almeno un composto avente formule (VIa) e (VIb). e) stabilizing mixture comprising at least one compound (a ') and at least one compound having formulas (VIa) and (VIb).
Nella miscele stabilizzanti sopra descritte, i due componenti vengono utilizzati in rapporto in peso compreso tra 0,5:1 e 2:1, preferibilmente in rapporto in peso 1:1. In the stabilizing mixtures described above, the two components are used in a weight ratio ranging from 0.5: 1 to 2: 1, preferably in a 1: 1 weight ratio.
Le suddette miscele stabilizzanti sono utili quali stabilizzanti al calore, alla degradazione ossidativa ed alla luce per polimeri organici. Esempi di polimeri organici che possono essere stabilizzati sono: The above stabilizing mixtures are useful as heat, oxidative degradation and light stabilizers for organic polymers. Examples of organic polymers that can be stabilized are:
1. Polimeri delle monoolefine e delle diolefine come, ad esempio, polipropilene, poliisobutilene, polibut-1-ene, poli-4-metilpent-1-ene, poliisoprene o polibutadiene; così come polimeri delle cicloolefine come, ad esempio, ciclopentene o norbornene; polietilene (che può essere opzionalmente reticolato) come, ad esempio, polietilene ad elevata densità (HDPE), polietilene ad elevata densità e ad elevato peso molecolare ((HDPE-HMW), polietilene ad elevata densità ed ad elevatissimo peso molecolare ("ultrahigh molecular weight") (HDPE-UHMW), polietilene a media densità (MDPE), polietilene a bassa densità (LDPE), polietilene lineare a bassa densità (LLDPE), polietilene ramificato a bassa densità (BLDPE). 1. Polymers of monoolefins and diolefins such as, for example, polypropylene, polyisobutylene, polybut-1-ene, poly-4-methylpent-1-ene, polyisoprene or polybutadiene; as well as cycloolefin polymers such as, for example, cyclopentene or norbornene; polyethylene (which can optionally be cross-linked) such as, for example, high density polyethylene (HDPE), high density and high molecular weight polyethylene ((HDPE-HMW), high density and very high molecular weight polyethylene ("ultrahigh molecular weight ") (HDPE-UHMW), medium density polyethylene (MDPE), low density polyethylene (LDPE), linear low density polyethylene (LLDPE), low density branched polyethylene (BLDPE).
Le poliolefine quali, ad esempio i polimeri delle monolefine esemplificati nel paragrafo precedente, preferibilmente il polietilene ed il polipropilene, possono essere preparate attraverso diversi metodi noti in letteratura, preferibilmente utilizzando i seguenti metodi: Polyolefins such as, for example, the monolefin polymers exemplified in the previous paragraph, preferably polyethylene and polypropylene, can be prepared through various methods known in the literature, preferably using the following methods:
(a) polimerizzazione radicalica (generalmente condotta ad elevata pressione e ad elevata temperatura); (a) radical polymerization (generally carried out at high pressure and high temperature);
(b) polimerizzazione catalitica utilizzando un catalizzatore che normalmente contiene uno o più metalli dei gruppi IVb, Vb, VIb o VIII della Tavola Periodica. Detti metalli, generalmente, hanno uno o più leganti quali, ad esempio, ossidi, alogenuri, alcoolati, esteri, eteri, animine, alchili, alchenili e/o arili che possono essere π- oppure σ-coordinati. Questi complessi metallici possono essere in forma libera oppure supportati su substrati quali, ad esempio, magnesio cloruro attivato, titanio(III)cloruro, allumina od ossido di silicio. Detti catalizzatori possono essere solubili od insolubili nel mezzo di reazione. I catalizzatori possono essere utilizzati da soli oppure in presenza di altri attivatori quali, ad esempio, alchili metallici, idruri metallici, alogenuri di alchili metallici, ossidi di alchilici metallici od alchilossani metallici, detti metalli essendo elementi appartenenti ai gruppi Ia, IIa e/o IIIa della Tavola Periodica. Gli attivatori possono essere convenientemente modificati con altri gruppi esterei, eterei, amminici o silileterei. Detti sistemi catalitici vengono usualmente chiamati Phillips, Standard Oil Indiana, Ziegler (-Natta), TNZ (DuPont), metallocene o "single site catalyst" (SSC). (b) catalytic polymerization using a catalyst which normally contains one or more metals of groups IVb, Vb, VIb or VIII of the Periodic Table. Said metals generally have one or more ligands such as, for example, oxides, halides, alcoholates, esters, ethers, amines, alkyls, alkenyls and / or aryls which can be π- or σ-coordinated. These metal complexes can be in free form or supported on substrates such as, for example, activated magnesium chloride, titanium (III) chloride, alumina or silicon oxide. Said catalysts can be soluble or insoluble in the reaction medium. The catalysts can be used alone or in the presence of other activators such as, for example, metal alkyls, metal hydrides, metal alkyl halides, metal alkyl oxides or metal alkyloxanes, said metals being elements belonging to groups Ia, IIa and / or IIIa of the Periodic Table. The activators can be conveniently modified with other ester, ether, amino or silyl ether groups. Said catalytic systems are usually called Phillips, Standard Oil Indiana, Ziegler (-Natta), TNZ (DuPont), metallocene or "single site catalyst" (SSC).
2. Miscele dei polimeri descritti al punto (1) come, ad esempio, miscele di polipropilene con poliisobutilene; miscele di polipropilene con polietilene (ad esempio, PP/HDPE, PP/LDPE); miscele di differenti tipi di polietilene (ad esempio, LDPE/HDPE ). 2. Mixtures of the polymers described in point (1) such as, for example, mixtures of polypropylene with polyisobutylene; blends of polypropylene with polyethylene (for example, PP / HDPE, PP / LDPE); mixtures of different types of polyethylene (for example, LDPE / HDPE).
3. Copolimeri delle monoolefine e delle diolefine tra loro o con altri monomeri vinilici come, ad esempio, copolimeri etilene/propilene, polietilene lineare a bassa densità (LLDPE) e sue miscele con polietilene a bassa densità (LDPE), copolimeri propilene/but-1-ene, copolimeri propilene/isobutilene, copolimeri etilene/but-1-ene, copolimeri etilene/esene, copolimeri etilene/metilpentene, copolimeri etilene/eptene, copolimeri etilene/ottene, copolimeri propilene/butadiene, copolimeri isobutilene/isoprene, copolimeri etilene/alchil acrilato, copolimeri etilene/alchil metacrilato, copolimeri etilene/vinil acetato e loro copolimeri con monossido di carbonio o copolimeri etilene/acido acrilico e loro sali (ionomeri) così come terpolimeri dell'etilene con propilene ed un diene come, ad esempio, esadiene, diciclopentadiene o etilidenenorbornene; e miscele di detti copolimeri tra loro oppure con i polimeri riportati al paragrafo (1) quali, ad esempio, copolimeri polipropilene/etilene/propilene, copolimeri LDPE/etilene/vinil acetato (ÈVA), copolimeri LDPE/etilene/acido acrilico (EAA), LLDPE/EVA, LLDPE/EAA, e copolimeri alternati o "random" polialchilene/monossido di carbonio e loro miscele con altri polimeri quali, ad esempio, poliammidi. 3. Copolymers of monoolefins and diolefins with each other or with other vinyl monomers such as, for example, ethylene / propylene copolymers, linear low density polyethylene (LLDPE) and its mixtures with low density polyethylene (LDPE), propylene / but- 1-ene, propylene / isobutylene copolymers, ethylene / but-1-ene copolymers, ethylene / hexene copolymers, ethylene / methylpentene copolymers, ethylene / heptene copolymers, ethylene / octene copolymers, propylene / isoprene copolymers, isobutylene / isoprene copolymers / alkyl acrylate, ethylene / alkyl methacrylate copolymers, ethylene / vinyl acetate copolymers and their copolymers with carbon monoxide or ethylene / acrylic acid copolymers and their salts (ionomers) as well as terpolymers of ethylene with propylene and a diene such as, for example, hexadiene, dicyclopentadiene or ethylideneenorbornene; and mixtures of said copolymers with each other or with the polymers listed in paragraph (1) such as, for example, polypropylene / ethylene / propylene copolymers, LDPE / ethylene / vinyl acetate copolymers (ÈVA), LDPE / ethylene / acrylic acid copolymers (EAA) , LLDPE / EVA, LLDPE / EAA, and alternating or "random" polyalkylene / carbon monoxide copolymers and their mixtures with other polymers such as, for example, polyamides.
4. Resine idrocarburiche (ad esempio, C5-C9) comprendenti le loro modificazioni idrogenate (ad esempio, adesivanti) e miscele con polialchilene ed amido. 4. Hydrocarbon resins (for example, C5-C9) comprising their hydrogenated modifications (for example, tackifiers) and blends with polyalkylene and starch.
5. Polistirene, poli(p-metilstirene), poli(ametilstirene) . 5. Polystyrene, poly (p-methylstyrene), poly (amethylstyrene).
6. Copolimeri dello stirene o dell'a-metilstirene con dienì o derivati acrilici come, ad esempio, stirene/butadiene, stirene/acrilonitrile, stirene/alchil metacrilato, stirene/butadiene/alchil acrilato, stirene/butadiene/alchil metacrilato, stirene/anidride maleica, stirene/acrilonitrile/metil acrilato; miscele, aventi un elevato carico di rottura, tra copolimeri dello stirene ed un altro polimero come, ad esempio, un poliacrilato, un polimero di un diene od un terpolimero etilene/propilene/diene, copolimeri a blocchi dello stirene come, ad esempio, stirene/butadiene/stirene, stirene/isoprene/stirene, stirene/etilene/butilene/stirene o stirene/etilene/propilene/stirene. 6. Copolymers of styrene or a-methylstyrene with dienes or acrylic derivatives such as, for example, styrene / butadiene, styrene / acrylonitrile, styrene / alkyl methacrylate, styrene / butadiene / alkyl acrylate, styrene / butadiene / alkyl methacrylate, styrene / maleic anhydride, styrene / acrylonitrile / methyl acrylate; mixtures, having a high breaking load, between styrene copolymers and another polymer such as, for example, a polyacrylate, a polymer of a diene or an ethylene / propylene / diene terpolymer, styrene block copolymers such as, for example, styrene / butadiene / styrene, styrene / isoprene / styrene, styrene / ethylene / butylene / styrene or styrene / ethylene / propylene / styrene.
7. Copolimeri graffati dello stirene o dell'ametilstirene come, ad esempio, stirene in polibutadiene, stirene in polibutadiene o copolimeri polibutadiene-acrilonitrile; stirene ed acrilonitrile (o metacrilonitrile) in polibutadiene; stirene, acrilonitrile e metilmetacrilato in polibutadiene; stirene ed anidride maleica in polibutadiene; stirene, acrilonitrile ed anidride maleica o maleimmide in polibutadiene; stirene e maleimmide in polibutadiene; stirene ed alchilacrilati o metacrilati in polibutadiene; stirene ed acrilonitrile in terpolimeri etilene/propilene/diene, stirene ed acrilonitrile in polialchil acrilati o polialchil metacrilati, stirene ed acrilonitrile in copolimeri acrilato/butadiene, così come miscele dei copolimeri sopra riportati con i copolimeri riportati al punto (6) come, ad esempio, miscele di copolimeri note come ABS, MBS, ASA o AES; 7. Graft copolymers of styrene or amethylstyrene such as, for example, styrene in polybutadiene, styrene in polybutadiene or polybutadiene-acrylonitrile copolymers; styrene and acrylonitrile (or methacrylonitrile) in polybutadiene; styrene, acrylonitrile and methyl methacrylate in polybutadiene; styrene and maleic anhydride in polybutadiene; styrene, acrylonitrile and maleic anhydride or maleimide in polybutadiene; styrene and maleimide in polybutadiene; styrene and alkyl acrylates or methacrylates in polybutadiene; styrene and acrylonitrile in ethylene / propylene / diene terpolymers, styrene and acrylonitrile in polyalkyl acrylates or polyalkyl methacrylates, styrene and acrylonitrile in acrylate / butadiene copolymers, as well as mixtures of the copolymers listed above with the copolymers listed in point (6) such as, for example , blends of copolymers known as ABS, MBS, ASA or AES;
8. Polimeri contenenti alogeni come, ad esempio, policloroprene , gomme clorurate, copolimeri isobutilene-isoprene ("halobutyl rubber") clorurati o brominati, polietilene clorurato o clorosulfonato, copolimeri etilene ed etilene clorurato, omopolimeri e copolimeri dell'epicloridrina, in particolare polimeri di composti vinilici contenenti alogeni come, ad esempio, polivinil cloruro, polivinilidencloruro, polivinil fluoruro o polivinilidenfluoruro; ed anche loro copolimeri come, ad esempio, vinil cloruro/vinilidencloruro, vinil cloruro/vinil acetato o vinilidencloruro/vinil acetato. 8. Polymers containing halogens such as, for example, polychloroprene, chlorinated rubbers, chlorinated or brominated isobutylene-isoprene copolymers ("halobutyl rubber"), chlorinated or chlorosulfonated polyethylene, ethylene and chlorinated ethylene copolymers, homopolymers and copolymers of epichlorohydrin, in particular polymers of halogen-containing vinyl compounds such as, for example, polyvinyl chloride, polyvinylidene chloride, polyvinyl fluoride or polyvinylidene fluoride; and also their copolymers such as, for example, vinyl chloride / vinylidene chloride, vinyl chloride / vinyl acetate or vinylidene chloride / vinyl acetate.
9. Polimeri derivati da acidi α,β-insaturi e loro derivati come, ad esempio, poliacrilati e polimetacrilati, polimetil metacrilati, poliacrilammidi e poliacrilonitrili, modificati con butil acrilato. 10. Copolimeri dei monomeri di cui al punto (9) tra loro o con altri monomeri insaturi come, ad esempio, copolimeri acrilonitrile/butadiene, copolimeri acrilonitrile/alchil acrilato, copolimeri acrilonitrile/alcossialchil acrilato o copolimeri aerilonitrile/alogenuro vinilico o terpolimeri acrilonitrile/alchil metacrilato/butadiene. 9. Polymers derived from α, β-unsaturated acids and their derivatives such as, for example, polyacrylates and polymethacrylates, polymethyl methacrylates, polyacrylamides and polyacrylonitriles, modified with butyl acrylate. 10. Copolymers of the monomers referred to in point (9) with each other or with other unsaturated monomers such as, for example, acrylonitrile / butadiene copolymers, acrylonitrile / alkyl acrylate copolymers, acrylonitrile / alkoxyalkyl acrylate copolymers or acrylonitrile / acrylonitrile / vinyl halide copolymers alkyl methacrylate / butadiene.
11. Polimeri derivati da alcooli insaturi ed animine, o loro derivati acilici od acetalici come, ad esempio, polivinil alcool, polivinil acetato, polivinil stearato, polivinil benzoato, polivinil maleato, polivinil butirrale, poliallil ftalato o poliallil melammina; così come loro copolimeri con le olefine dì cui al punto (1). 11. Polymers derived from unsaturated alcohols and animins, or their acyl or acetal derivatives such as, for example, polyvinyl alcohol, polyvinyl acetate, polyvinyl stearate, polyvinyl benzoate, polyvinyl maleate, polyvinyl butyral, polyallyl phthalate or polyallyl melamine; as well as their copolymers with the olefins mentioned in point (1).
12. Omopolimeri e copolimeri di eteri a catena aperta oppure di eteri ciclici come, ad esempio, glicoli polialchilenici, polietileneossido, polipropilene ossido, oppure copolimeri dei composti sopra descritti con bis-glicidil eteri. 12. Homopolymers and copolymers of open chain ethers or of cyclic ethers such as, for example, polyalkylene glycols, polyethylene oxide, polypropylene oxide, or copolymers of the compounds described above with bis-glycidyl ethers.
13. Poliacetali come, ad esempio, poliossimetilene e quei poliossimetileni che contengono ossido di etilene come comonomero; poliacetali modificati con poliuretani termoplastici, acrilati o MBS. 13. Polyacetals such as, for example, polyoxymethylene and those polyoxymethylenes which contain ethylene oxide as a comonomer; polyacetals modified with thermoplastic polyurethanes, acrylates or MBS.
14. Ossidi e solfuri del polifenilene e miscele di ossidi del polifenilene con polimeri stirenici o poliammidi . 14. Oxides and sulphides of polyphenylene and mixtures of oxides of polyphenylene with styrenic polymers or polyamides.
15. Poliuretani derivati da polieteri, poliesteri o polibutadieni idrossil-terminati da un lato e poliisocianati alifatici od aromatici dall'altro, così come i precursori dei composti di cui sopra. 15. Polyurethanes derived from hydroxyl-terminated polyethers, polyesters or polybutadienes on the one hand and aliphatic or aromatic polyisocyanates on the other, as well as the precursors of the above compounds.
16. Poliammidi e copoliammidi derivate da diammine ed acidi dicarbossilici e/o da acidi amminocarbossilici o dai corrispondenti lattami come, ad esempio, poliammide 4, poliammide 6, poliammide 6/6, 6/10, 6/9, 6/12, 4/6, 12/12, poliammide 11, poliammide 12, poliammidi aromatiche ottenute a partire da m-xilene diammina ed acido adipico; poliammidi preparate da esametilenediammina ed acido isoftalico e/o tereftalico e con o senza un elastomero come agente modificante, ad esempio, poli-2,4,4-trimetilesametilene tereftalammide o poli-m-fenilene isoftalammide; ed anche copolimeri a blocchi delle suddette poliammidi con poliolefine, copolimeri olefinici, ionomeri od elastomeri legati chimicamente o graffati; o con polieteri come, ad esempio, polietilene glicole, polipropilene glicole o politetrametilene glicole; così come poliammidi o copoliammidi modificate con EPDM od ABS; e poliammidi condensate durante la lavorazione ("RIM polyamide system"). 16. Polyamides and copolyamides derived from diamines and dicarboxylic acids and / or from aminocarboxylic acids or from the corresponding lactams such as, for example, polyamide 4, polyamide 6, polyamide 6/6, 6/10, 6/9, 6/12, 4 / 6, 12/12, polyamide 11, polyamide 12, aromatic polyamides obtained starting from m-xylene diamine and adipic acid; polyamides prepared from hexamethylenediamine and isophthalic and / or terephthalic acid and with or without an elastomer as modifying agent, for example, poly-2,4,4-trimethylhexamethylene terephthalamide or poly-m-phenylene isophthalamide; and also block copolymers of the aforesaid polyamides with polyolefins, olefin copolymers, ionomers or elastomers chemically bonded or grafted; or with polyethers such as, for example, polyethylene glycol, polypropylene glycol or polytetramethylene glycol; as well as polyamides or copolyamides modified with EPDM or ABS; and polyamides condensed during processing ("RIM polyamide system").
17. Poliuree, poliimmidi, poliammide-immidi e polibenzoimidazoli . 17. Polyureas, polyimides, polyamide-imides and polybenzoimidazoles.
18. Poliesteri derivati da acidi dicarbossilici e dioli e/o da acidi idrossicarbossilici o dai corrispondenti lattoni come, ad esempio, polietilene tereftalato, polibutilene tereftalato, poli-1,4-dimetilolcicloesano tereftalato e poliidrossibenzoati, così come copolieteri esteri a blocchi derivati da polieteri con gruppi idrossil-terminali; ed anche poliesteri modificati con polìcarbonati o MBS. 18. Polyesters derived from dicarboxylic acids and diols and / or from hydroxy carboxylic acids or from the corresponding lactones such as, for example, polyethylene terephthalate, polybutylene terephthalate, poly-1,4-dimethylolcyclohexane terephthalate and polyhydroxybenzoates, as well as block copolyether esters derived from polyethers with hydroxyl-terminal groups; and also polyesters modified with polycarbonates or MBS.
19. Polìcarbonati e poliesteri carbonati. 19. Polycarbonates and polyester carbonates.
20. Polisolfoni, polieterisolfoni e polieterichetoni . 20. Polysulfones, polyethersulfones and polyetherketones.
21. Polimeri reticolati derivati da aldeidi da una parte e da fenoli, urea e melammine dall'altra come, ad esempio, resine fenolo/formaldeide, resine urea/formaldeide e resine melammina/formaldeide. 22. Resine alchidiche essicate o non-essicate. 21. Cross-linked polymers derived from aldehydes on the one hand and from phenols, urea and melamines on the other such as, for example, phenol / formaldehyde resins, urea / formaldehyde resins and melamine / formaldehyde resins. 22. Dried or non-dried alkyd resins.
23. Resine a base di poliesteri insaturi derivate da copoliesteri di acidi dicarbossilici saturi ed insaturi con alcooli poliidrici e composti vinilici come agenti reticolanti, ed anche resine di cui sopra contenenti alogeni ed aventi una buona resistenza alla fiamma. 23. Resins based on unsaturated polyesters derived from copolyesters of saturated and unsaturated dicarboxylic acids with polyhydric alcohols and vinyl compounds as crosslinking agents, and also the above resins containing halogens and having good flame resistance.
24. Resine acriliche reticolabili derivate da acrilati sostituiti come, ad esempio, epossi acrilati, uretani acrilati o poliesteri acrilati. 24. Crosslinkable acrylic resins derived from substituted acrylates such as, for example, epoxy acrylates, urethane acrylates or polyester acrylates.
25. Resine alchidiche, resine a base di poliesteri o resine acrilate reticolate con resine melamminiche, resine a base di urea, resine a base di isocianati, resine a base di isocianurati, resine a base di poliisocianati o resine epossidiche. 25. Alkyd resins, resins based on polyester or acrylate resins cross-linked with melamine resins, resins based on urea, resins based on isocyanates, resins based on isocyanates, resins based on polyisocyanates or epoxy resins.
26. Resine epossidiche reticolate derivate da composti glicidilici alifatici, cicloalifatici, eterociclici od aromatici quali, ad esempio, prodotti di eteri diglicidilici del bisfenolo A e del bisfenolo F, che vengono reticolati con gli agenti indurenti usuali quali, ad esempio, anidridi od ammine, in presenza od in assenza di acceleranti. 26. Cross-linked epoxy resins derived from aliphatic, cycloaliphatic, heterocyclic or aromatic glycidyl compounds such as, for example, products of diglycidyl ethers of bisphenol A and bisphenol F, which are cross-linked with the usual hardening agents such as, for example, anhydrides or amines, in the presence or absence of accelerators.
27. Polimeri naturali come, ad esempio, cellulosa, gomma, gelatina, e loro derivati chimicamente modificati per dare derivati omologhi come, ad esempio, acetati, propionati e butirrati di cellulosa, oppure eteri di cellulosa come, ad esempio, metilcellulosa; così come resine idrocarburiche ("rosins") e loro derivati. 27. Natural polymers such as, for example, cellulose, rubber, gelatin, and their chemically modified derivatives to give homologous derivatives such as, for example, cellulose acetates, propionates and butyrates, or cellulose ethers such as, for example, methylcellulose; as well as hydrocarbon resins ("rosins") and their derivatives.
28. Miscele dei polimeri sopra menzionati ("polyblends") come, ad esempio, PP/EPDM, poliammide/EPDM o ABS, PVC/EVA, PVC/ABS, PVC/MBS, PC/ABS, PBTP/ABS, PC/ASA, PC/PBT, PVC/CPE, PVC/acrilati, POM/termoplastici PUR, PC/termoplastici PUR, POM/acrilati, POM/MBS, PPO/HIPS, PPO/PA 6.6 e copolimeri PA/HDPE, PA/PP, PA/PPO, PBT/PC/ABS, PBT/PET/PC. 28. Blends of the above mentioned polymers ("polyblends") such as, for example, PP / EPDM, polyamide / EPDM or ABS, PVC / EVA, PVC / ABS, PVC / MBS, PC / ABS, PBTP / ABS, PC / ASA , PC / PBT, PVC / CPE, PVC / acrylates, POM / PUR thermoplastics, PC / PUR thermoplastics, POM / acrylates, POM / MBS, PPO / HIPS, PPO / PA 6.6 and PA / HDPE, PA / PP, PA copolymers / PPO, PBT / PC / ABS, PBT / PET / PC.
29. Materiali organici naturali o sintetici che sono composti monomerici puri o miscele di detti composti quali, ad esempio, olii minerali, olii, grassi o cere animali o vegetali, olii, grassi o cere a base di esteri sintetici (ad esempio, ftalati, adipati, fosfati, trimellitati), come anche miscele di esteri sintetici con olii minerali in qualsivoglia rapporto in peso, in particolare quelli utilizzati nelle composizioni per filatura, così come le emulsioni acquose di detti materiali organici. 29. Natural or synthetic organic materials which are pure monomer compounds or mixtures of these compounds such as, for example, mineral oils, oils, animal or vegetable fats or waxes, oils, fats or waxes based on synthetic esters (for example, phthalates, adipates, phosphates, trimellitates), as well as mixtures of synthetic esters with mineral oils in any weight ratio, in particular those used in the compositions for spinning, as well as the aqueous emulsions of said organic materials.
30. Emulsioni acquose di gomme naturali o sintetiche quali, ad esempio, lattice naturale o lattici a base di copolimeri stirene-butadiene carbossilati. 30. Aqueous emulsions of natural or synthetic rubber such as, for example, natural latex or latex based on carboxylated styrene-butadiene copolymers.
La presente invenzione riguarda, inoltre, composizioni polimeriche contenenti un polimero organico ed una quantità efficace delle suddette miscele stabilizzanti. The present invention also relates to polymeric compositions containing an organic polymer and an effective amount of the above stabilizing mixtures.
Le miscele stabilizzanti oggetto della presente invenzione sono particolarmente utili nella stabilizzazione dei polimeri organici sintetici scelti tra quelli sopra riportati. Preferibilmente, sono utili nella stabilizzazione delle poliolefine, più preferibilmente nella stabilizzazione del polietilene, del polipropilene e dei loro copolimeri, delle miscele meccaniche costituite da polietilene e polipropilene, da polipropilene con gomme stirene/butadiene (SBR), o con gomme etilene/propilene, o con gomme etilene/propilene/diene. The stabilizing mixtures object of the present invention are particularly useful in the stabilization of the synthetic organic polymers selected from those reported above. Preferably, mechanical mixtures consisting of polyethylene and polypropylene, polypropylene with styrene / butadiene rubbers (SBR), or with ethylene / propylene rubbers are useful in the stabilization of polyolefins, more preferably in the stabilization of polyethylene, polypropylene and their copolymers, or with ethylene / propylene / diene rubbers.
I componenti le miscele stabilizzanti oggetto della presente invenzione possono essere aggiunti ai polimeri da stabilizzare individualmente oppure in miscela tra loro. I componenti possono essere utilizzati, ciascuno indipendentemente, in quantità compresa tra 0,005% e 3,5%, a condizione che la quantità totale del componente (a) e del componente (b), (c) , (d), (e), (f) o (g) sia compresa tra lo 0,01% ed il 5% rispetto al peso totale del polimero da stabilizzare. The components of the stabilizing mixtures object of the present invention can be added to the polymers to be stabilized individually or mixed together. The components can be used, each independently, in amounts ranging from 0.005% to 3.5%, provided that the total amount of component (a) and component (b), (c), (d), (e) , (f) or (g) is between 0.01% and 5% with respect to the total weight of the polymer to be stabilized.
Preferibilmente, la quantità totale del componente (a) e del componente (b), (c), (d), (e), (f) o (g) è compresa tra lo 0,05% ed il 3%, in particolare tra lo 0,05% ed il 2%, più in particolare tra lo 0,1% e l'1%, rispetto al peso totale del polimero da stabilizzare. Preferably, the total amount of component (a) and component (b), (c), (d), (e), (f) or (g) is comprised between 0.05% and 3%, in in particular between 0.05% and 2%, more particularly between 0.1% and 1%, with respect to the total weight of the polymer to be stabilized.
Il rapporto in peso tra il componente (a) ed il componente (b), (c), {d) , (e), (f) o (g) è, preferibilmente, compreso tra 20:1 e 1:20, in particolare tra 5:1 e 1:5, più in particolare tra 2:1 e 1:2. The weight ratio between component (a) and component (b), (c), {d), (e), (f) or (g) is preferably between 20: 1 and 1:20, in particular between 5: 1 and 1: 5, more particularly between 2: 1 and 1: 2.
Le miscele stabilizzanti oggetto della presente invenzione od i singoli componenti sopra descritti possono essere incorporate nel polimero organico da stabilizzare mediante tecniche note, ad esempio, prima o durante la lavorazione; oppure, dette miscele o detti componenti disciolti o dispersi in solventi, possono essere applicate al polimero da stabilizzare se necessario, dopo evaporazione dei solventi in cui sono disciolte o disperse. I singoli componenti le suddette miscele possono essere aggiunti al polimero organico da stabilizzare sotto forma di polveri, di granuli o di "masterbatch" che contiene detti componenti in una concentrazione compresa tra il 2,5% ed il 80%. The stabilizing mixtures object of the present invention or the single components described above can be incorporated into the organic polymer to be stabilized by known techniques, for example, before or during processing; or, said mixtures or said components dissolved or dispersed in solvents, can be applied to the polymer to be stabilized if necessary, after evaporation of the solvents in which they are dissolved or dispersed. The individual components of the above mixtures can be added to the organic polymer to be stabilized in the form of powders, granules or "masterbatches" which contain said components in a concentration between 2.5% and 80%.
Se necessario, i componenti le suddette miscele stabilizzanti possono essere fusi e miscelati tra loro prima dell'incorporazione nel polimero organico . If necessary, the components of the aforementioned stabilizing mixtures can be melted and mixed together before incorporation into the organic polymer.
Le miscele stabilizzanti oggetto della presente invenzione od i loro singoli componenti possono essere anche aggiunte durante il processo di polimerizzazione oppure prima della reticolazione. The stabilizing mixtures object of the present invention or their individual components can also be added during the polymerization process or before crosslinking.
Le composizioni polimeriche così stabilizzate possono essere trasformate in una grande varietà di prodotti finali quali, ad esempio, films, fibre, nastri, composizioni per stampaggio ("moulding compositions") , leganti per vernici, adesivi, stucchi. The so stabilized polymeric compositions can be transformed into a great variety of final products such as, for example, films, fibers, tapes, molding compositions, binders for paints, adhesives, putties.
Di conseguenza, la presente invenzione riguarda anche l'uso delle suddette composizioni polimeriche per la produzione di manufatti. Consequently, the present invention also relates to the use of the aforesaid polymeric compositions for the production of manufactured articles.
Le miscele stabilizzanti oggetto della presente invenzione possono essere utilizzate in combinazione con altri additivi convenzionali o loro miscele. Detti additivi vengono aggiunti in quantità compresa tra circa 0,1% e circa 5% in peso sul peso delle composizioni polimeriche da stabilizzare, preferibilmente tra circa 0,5% e circa 3% in peso. A titolo di esempio vengono sotto riportati alcuni tra gli additivi utilizzati. The stabilizing mixtures object of the present invention can be used in combination with other conventional additives or their mixtures. Said additives are added in quantities ranging from about 0.1% to about 5% by weight of the weight of the polymeric compositions to be stabilized, preferably between about 0.5% and about 3% by weight. By way of example, some of the additives used are listed below.
1. Antiossidanti 1. Antioxidants
1.1 Monofenoli alchilati come, ad esempio: 2,6-dit-butil-4-metilfenolo; 2-t-butil-4,6-dimetilfenolo; 2.6-di-t-butil-4-etilfenolo; 2,6-di-t-butil-4-n-butilfenolo; 2,6-di-t-butil-4-isobutilfenolo,· 2,6-diciclopentil-4-metilfenolo; 2-(α-metilcicloesil)-4.6-dimetilfenolo; 2,6-diottadecil-4-metilfenolo; 2.4.6-tricicloesilfenolo; 2,6-di-t-butil-4-metossimetilfenolo; nonilfenoli a catena alchilica lineare o ramificata quali, ad esempio, 2,6-di-nonil-4-metilfenolo; 2,4-dimetil-6-(1'-metilundec-1'-il)fenolo ; 2,4-dimetil-6-(1'-metileptadec-1'-il)fenolo; 2,4-dimetil-6- (1'-metiltridec-1'-il)fenolo; e loro miscele . 1.1 Alkylated monophenols such as, for example: 2,6-dit-butyl-4-methylphenol; 2-t-butyl-4,6-dimethylphenol; 2.6-di-t-butyl-4-ethylphenol; 2,6-di-t-butyl-4-n-butylphenol; 2,6-di-t-butyl-4-isobutylphenol, 2,6-dicyclopentyl-4-methylphenol; 2- (α-methylcyclohexyl) -4.6-dimethylphenol; 2,6-dioctadecyl-4-methylphenol; 2.4.6-tricyclohexylphenol; 2,6-di-t-butyl-4-methoxymethylphenol; linear or branched alkyl chain nonylphenols such as, for example, 2,6-di-nonyl-4-methylphenol; 2,4-dimethyl-6- (1'-methylundec-1'-yl) phenol; 2,4-dimethyl-6- (1'-methylheptadec-1'-yl) phenol; 2,4-dimethyl-6- (1'-methyltridec-1'-yl) phenol; and their mixtures.
1.2 Alchiltiometilfenoli come, ad esempio: 2,4-diottiltiometil-6-t-butilfenolo; 2,4-diottiltiometil-6-metilf enolo; 2,4-diottiltiometil-6-etilfenolo; 2,6-didodeciltiometil-4-nonilfenolo. 1.2 Alkylthiomethylphenols such as, for example: 2,4-dioctylthiomethyl-6-t-butylphenol; 2,4-dioctylthiomethyl-6-methylphenol; 2,4-dioctylthiomethyl-6-ethylphenol; 2,6-didodecylthiomethyl-4-nonylphenol.
1.3 Idrochinoni ed idrochinoni alchilati come, ad esempio: 2,6-di-t-butil-4-metossifenolo; 2,5-di-tbutilidrochinone; 2,5-di-t-amilidrochinone; 2,6-difenil-4-ottadecilossifenolo; 2,6-di-t-butilidrochinone; 2,5-di-t-butil-4-idrossianisolo; 3,5-di-t-butil-4-idrossianisolo; 3,5-di-t-butil-4-idrossifenil stearato; bis(3,5-di-t-butil-4-idrossifenil)adipato . 1.3 Hydroquinones and alkylated hydroquinones such as, for example: 2,6-di-t-butyl-4-methoxyphenol; 2,5-di-tbutylhydroquinone; 2,5-di-t-amylhydroquinone; 2,6-diphenyl-4-octadecyloxyphenol; 2,6-di-t-butylhydroquinone; 2,5-di-t-butyl-4-hydroxyanisole; 3,5-di-t-butyl-4-hydroxyanisole; 3,5-di-t-butyl-4-hydroxyphenyl stearate; bis (3,5-di-t-butyl-4-hydroxyphenyl) adipate.
1.4 Tocoferoli come, ad esempio: α-tocoferolo, ptocoferolo, γ-tocoferolo, δ-tocoferolo e loro miscele (Vitamina E). 1.4 Tocopherols such as, for example: α-tocopherol, ptocopherol, γ-tocopherol, δ-tocopherol and their mixtures (Vitamin E).
1.5 Eteri tiodifenilici idrossilati come, ad esempio: 2,2 '-tiobis-(6-t-butil-4-metilfenolo); 2,2'-tiobis- (4-ottilfenolo); 4,4'-tiobis-(6-t-butil-3-metilfenolo); 4,4'-tiobis-{6-t-butil-2-metilfenolo); 4,4 '-tiobis-(3,6-di-s-amilfenolo); 4,4'-bis-(2,6-dimetil-4-idrossifenil)disolfuro. 1.5 Hydroxylated thiodiphenyl ethers such as, for example: 2,2 '-thiobis- (6-t-butyl-4-methylphenol); 2,2'-thiobis- (4-octylphenol); 4,4'-thiobis- (6-t-butyl-3-methylphenol); 4,4'-thiobis- {6-t-butyl-2-methylphenol); 4,4 '-thiobis- (3,6-di-s-amylphenol); 4,4'-bis- (2,6-dimethyl-4-hydroxyphenyl) disulfide.
1.6 Alchiliden-bisfenoli come, ad esempio: 2,2'metilenebis- {6-t-butil-4-metilfenolo); 2,2'-metilenebis- (6-t-butil-4-etilfenolo); 2,2'-metilenebis[4-metil-6- (α-metilcicloesil)fenolo]; 2,2'-metilenebis (4-metil-6-cicloesilfenolo); 2,2'-metilenebis(6-nonil-4-metilfenolo) ; 2,2'-metilenebis{4,6-di-t-butilfenolo) ; 2,2'-etilidenebis(4,6-di-t-butilfenolo); 2,2'-etilidenebis(6-t-butil-4-isobutilfenolo); 2,2'-metilenebis[6-(a-metilbenzil)-4-nonilfenolo]; 2,2'-metilenebis[6-(a,a-dimetilbenzil)-4-nonilfenolo] ; 4,4'-metilenebis(2,6-di-t-butilfenolo); 4,4'-metilenebis (6-t-butil-2-metilfenolo); 1,1-bis-(5-t-butil-4-idrossi-2-metilfenil)butano; 2,6-bis-(3-t-butil-5-metil— 2-idrossibenzil)-4-metilfenolo; 1,1,3-tris- (5-t-butil--4-idrossi-2-metilfenil)butano; 1,1-bis(5-t-butil-4-idrossi-2-metilfenil)-3-ndodecilmercaptobutano; etilenglicole bis[3,3-bis-(3'-t-butil-4 '-idrossifenil)butirrato]; bis(3-t-butil-4-idrossi-5-metilfenil )diciclopentadiene; bis-[2-(3'-t-butil-2 '-idrossi-5'-metilbenzil)--6— t-butil-4-metilfenil]tereftalato; 1,1-bis(3,5-dimetil-2-idrossifenìl)butano; 2,2-bis(3,5-di-t-butil-4-idrossifenil)propano; 2,2-bis(5-t-butil-4-idrossi-2-metilfenil)-4-n-dodecilmercaptobutano; 1,1,5,5-tetra(5-t-butil-4-idrossi-2-metilfenil)pentano . 1.6 Alkylidene-bisphenols such as, for example: 2,2'methylenebis- {6-t-butyl-4-methylphenol); 2,2'-methylenebis- (6-t-butyl-4-ethylphenol); 2,2'-methylenebis [4-methyl-6- (α-methylcyclohexyl) phenol]; 2,2'-methylenebis (4-methyl-6-cyclohexylphenol); 2,2'-methylenebis (6-nonyl-4-methylphenol); 2,2'-methylenebis (4,6-di-t-butylphenol); 2,2'-ethylidenebis (4,6-di-t-butylphenol); 2,2'-ethylidenebis (6-t-butyl-4-isobutylphenol); 2,2'-methylenebis [6- (a-methylbenzyl) -4-nonylphenol]; 2,2'-methylenebis [6- (a, a-dimethylbenzyl) -4-nonylphenol]; 4,4'-methylenebis (2,6-di-t-butylphenol); 4,4'-methylenebis (6-t-butyl-2-methylphenol); 1,1-bis- (5-t-butyl-4-hydroxy-2-methylphenyl) butane; 2,6-bis- (3-t-butyl-5-methyl-2-hydroxybenzyl) -4-methylphenol; 1,1,3-tris- (5-t-butyl - 4-hydroxy-2-methylphenyl) butane; 1,1-bis (5-t-butyl-4-hydroxy-2-methylphenyl) -3-ndodecylmercaptobutane; ethylene glycol bis [3,3-bis- (3'-t-butyl-4 '-hydroxyphenyl) butyrate]; bis (3-t-butyl-4-hydroxy-5-methylphenyl) dicyclopentadiene; bis- [2- (3'-t-butyl-2'-hydroxy-5'-methylbenzyl) - 6-t-butyl-4-methylphenyl] terephthalate; 1,1-bis (3,5-dimethyl-2-hydroxyphenyl) butane; 2,2-bis (3,5-di-t-butyl-4-hydroxyphenyl) propane; 2,2-bis (5-t-butyl-4-hydroxy-2-methylphenyl) -4-n-dodecylmercaptobutane; 1,1,5,5-tetra (5-t-butyl-4-hydroxy-2-methylphenyl) pentane.
1.7 Composti benzilici contenenti O, N o S come, ad esempio : 3,5,3',5'-tetra-t-butil-4,4'-diidrossidibenziletere; ottadecil-4-idrossi-3,5-dimetilbenzilmercaptoacetato; tridecil-4-idrossi-3,5-di-t-butilbenzilmercaptoacetato ; tris(3,5-di-t-butil-4-idrossibenzil)ammina; bis(4-t-butil-3-idrossi-2,6-dimetilbenzil)ditiotereftalato; bis(3,5-di-t-butil-4-idrossibenzil)solfuro; isoottil-3,5-di-t-butil-4-idrossibenzilmercaptoacetato . 1.7 Benzyl compounds containing O, N or S such as, for example: 3,5,3 ', 5'-tetra-t-butyl-4,4'-dihydroxydibenzylether; octadecyl-4-hydroxy-3,5-dimethylbenzyl mercaptoacetate; tridecyl-4-hydroxy-3,5-di-t-butylbenzyl mercaptoacetate; tris (3,5-di-t-butyl-4-hydroxybenzyl) amine; bis (4-t-butyl-3-hydroxy-2,6-dimethylbenzyl) dithioterephthalate; bis (3,5-di-t-butyl-4-hydroxybenzyl) sulfide; isooctyl-3,5-di-t-butyl-4-hydroxybenzyl mercaptoacetate.
1.8 Maionati idrossibenzilati come, ad esempio: diottadecil-2 ,2-bis(3,5-di-t-butil-2-idrossibenzil)-maionato; diottadecil-2-(3-t-butil-4-idrossi-5-metilbenzil)malonato; didodecilmercaptoetil-2,2-bis-(3,5— di--t-butil-4-idrossibenzil)malonato; bis[4-(1,1,3,3-tetrametilbutil) fenil]— 2,2— bis(3,5-di-tbutil-4-idrossibenzil)malonato . 1.8 Hydroxybenzylated maionates such as, for example: dioctadecyl-2, 2-bis (3,5-di-t-butyl-2-hydroxybenzyl) -maionate; dioctadecyl-2- (3-t-butyl-4-hydroxy-5-methylbenzyl) malonate; didodecylmercaptoethyl-2,2-bis- (3,5— di-t-butyl-4-hydroxybenzyl) malonate; bis [4- (1,1,3,3-tetramethylbutyl) phenyl] - 2,2— bis (3,5-di-tbutyl-4-hydroxybenzyl) malonate.
1.9 Composti idrossibenzilici aromatici come, ad esempio : l,3,5-tris(3,5-di--t-butil— 4--idrossibenzil)-2,4,6-trimetilbenzene ; 1,4— bis--(3,5-di-t-butil— 4— idrossibenzil)--2,3,5,6— tetrametilbenzene; 2,4,6-tris (3,5-di-t-butil-4-idrossibenzil)fenolo. 1.10 Composti triazinici come, ad esempio: 2,4-bis(ottilmercapto)-6- (3,5-di-t-butil-4-idrossiani— lino)-1,3,5-triazina; 2 -ottilmercapto-4,6-bis(3,5-di-t-butil-4-idrossianilino)-1,3,5-triazina; 2-ottilmercapto-4,6-bis (3,5-di-t-butil-4-idrossifenos-si)-1,3,5-triazina ; 2,4,6-tris-(3,5-di-t-butil--4--idrossifenossi )-1,2,3-triazina; 1,3,5-tris(3,5-dit-butil-4-idrossibenzil) isocianurato; 1,3,5-tris(4-t-butil-3-idrossi--2 ,6— dimetilbenzil)isocianurato; 2,4,6-tris- (3,5-di-t-butil-4-idrossifeniletil)-1,— 3,5-triazina; 1,3,5-tris(3,5-di-t-butil-4-idrossifenilpropionil)esaidro-1, 3,5-triazina; 1,3,5-tris-(3,5-dicicloesil-4-idrossibenzil)isocianurato. 1.9 Aromatic hydroxybenzyl compounds such as, for example: 1, 3,5-tris (3,5-di - t-butyl - 4 - hydroxybenzyl) -2,4,6-trimethylbenzene; 1,4— bis - (3,5-di-t-butyl— 4— hydroxybenzyl) - 2,3,5,6— tetramethylbenzene; 2,4,6-tris (3,5-di-t-butyl-4-hydroxybenzyl) phenol. 1.10 Triazine compounds such as, for example: 2,4-bis (octylmercapto) -6- (3,5-di-t-butyl-4-hydroxyanyl-linseed) -1,3,5-triazine; 2-octylmercapto-4,6-bis (3,5-di-t-butyl-4-hydroxyanilino) -1,3,5-triazine; 2-octylmercapto-4,6-bis (3,5-di-t-butyl-4-hydroxyphenos-si) -1,3,5-triazine; 2,4,6-tris- (3,5-di-t-butyl - 4 - hydroxyphenoxy) -1,2,3-triazine; 1,3,5-tris (3,5-dit-butyl-4-hydroxybenzyl) isocyanurate; 1,3,5-tris (4-t-butyl-3-hydroxy - 2, 6- dimethylbenzyl) isocyanurate; 2,4,6-tris- (3,5-di-t-butyl-4-hydroxyphenylethyl) -1, - 3,5-triazine; 1,3,5-tris (3,5-di-t-butyl-4-hydroxyphenylpropionyl) hexahydro-1, 3,5-triazine; 1,3,5-tris- (3,5-dicyclohexyl-4-hydroxybenzyl) isocyanurate.
1.11 Benzilfosfonati come, ad esempio: dimetil-2,5-di-t-butil-4-idrossibenzilfosfonato; dietil-3,5-dit-butil-4-idrossibenzilfosfonato; diottadecil-3,5-di-t-butil-4-idrossibenzilfosfonato; diottadecil-5-t-butil-4-idrossi-3-metilbenzilfosfonato; sali di calcio dell'estere monoetilico dell'acido 3,5-di-tbutil-4-idrossibenzilfosfonico . 1.11 Benzylphosphonates such as, for example: dimethyl-2,5-di-t-butyl-4-hydroxybenzylphosphonate; diethyl-3,5-dit-butyl-4-hydroxybenzylphosphonate; dioctadecyl-3,5-di-t-butyl-4-hydroxybenzylphosphonate; dioctadecyl-5-t-butyl-4-hydroxy-3-methylbenzylphosphonate; calcium salts of the monoethyl ester of 3,5-di-tbutyl-4-hydroxybenzylphosphonic acid.
1.12 Acilamminofenoli come, ad esempio: 4-idrossilauranilide; 4-idrossistearanilide; ottil-N-(3,5-di-t-butil-4-idrossifenil)carbammato. 1.12 Acylaminophenols such as, for example: 4-hydroxyl uranilide; 4-hydroxystearanilide; octyl-N- (3,5-di-t-butyl-4-hydroxyphenyl) carbamate.
1.13 Esteri dell'acido ]3-(3,5-di-t-butil-4-idrossifenil)propionico con alcooli monoidrici o poliidrici come, ad esempio: metanolo, etanolo, n-ottanolo, i-ottanolo, ottadecanolo, 1,6-esandiolo, 1,9-nonandiolo, glicole etilenico, 1,2-propandiolo, glicole neopentilico, glicole tiodietilenico, glicole dietilenico, glicole trietilenico, pentaeritritolo, tris (idrossietil)isocianurato, N,N'-bis-{idrossietil)ossammide, 3-tioundecanolo, 3-tiopentadecanolo, trimetilesandiolo, trimetilolpropano, 4-idrossimetil-1-fosfo-2 ,6,7-triossabiciclo[2.2.2]-ottano. 1.13 Esters of] 3- (3,5-di-t-butyl-4-hydroxyphenyl) propionic acid with monohydric or polyhydric alcohols such as, for example: methanol, ethanol, n-octanol, i-octanol, octadecanol, 1, 6-hexanediol, 1,9-nonanediol, ethylene glycol, 1,2-propanediol, neopentyl glycol, thiodiethylene glycol, diethylene glycol, triethylene glycol, pentaerythritol, tris (hydroxyethyl) isocyanurate, N, N'-bis- {hydroxyethyl) oxamide , 3-thioundecanol, 3-thiopentadecanol, trimethylhexandiol, trimethylolpropane, 4-hydroxymethyl-1-phospho-2, 6,7-trioxabicyclo [2.2.2] -octane.
1.14 Esteri dell'acido β-(5-t-butil-4-idrossi-3-metilfenil)propionico con alcooli monoidrici o poliidrici come, ad esempio: metanolo, etanolo, n-ottanolo, i-ottanolo, ottadecanolo, 1,6-esandiolo, 1,9-nonandiolo, glicole etilenico, 1,2-propandiolo, glicole neopentilico, glicole tiodìetilenico, glìcole dietilenico, glicole trietilenico, pentaeritritolo, tris {idrossietil)isocianurato, N,N’-bis-(idrossietil)ossammide, 3-tioundecanolo, 3-tiopentadecanolo, trimetilesandiolo, trimetilolpropano, 4-idrossimetil-1-fosfo-2,6,7-triossabiciclo [2.2.2]-ottano. 1.14 Esters of β- (5-t-butyl-4-hydroxy-3-methylphenyl) propionic acid with monohydric or polyhydric alcohols such as, for example: methanol, ethanol, n-octanol, i-octanol, octadecanol, 1,6 -hexanediol, 1,9-nonandiol, ethylene glycol, 1,2-propandiol, neopentyl glycol, thiodiethylene glycol, diethylene glycol, triethylene glycol, pentaerythritol, tris {hydroxyethyl) isocyanurate, N, N'-bis- (hydroxyethyl) oxamide, 3-thioundecanol, 3-thiopentadecanol, trimethylhexandiol, trimethylolpropane, 4-hydroxymethyl-1-phospho-2,6,7-trioxabicyclo [2.2.2] -octane.
1.15 Esteri dell'acido β-(3,5-dicicloesil-4-idrossifenil)propionico con alcooli monoidrici o poliidrici come, ad esempio: metanolo, etanolo, n-ottanolo, i-ottanolo, ottadecanolo, 1,6-esandiolo, 1,9-nonandiolo, glicole etilenico, 1,2-propandiolo, glicole neopentilico, glicole tiodìetilenico, glicole dietilenico, glicole trietilenico, pentaeritritolo, tris {idrossietil)isocianurato, N,N'-bis(idrossietil)ossammide, 3-tioundecanolo, 3-tiopentadecanolo, trimetilesandiolo, trimetilolpropano, 4-idrossimetil-1-fosfo-2, 6,7-triossabiciclo[2.2.2]-ottano. 1.15 Esters of β- (3,5-dicyclohexyl-4-hydroxyphenyl) propionic acid with monohydric or polyhydric alcohols such as, for example: methanol, ethanol, n-octanol, i-octanol, octadecanol, 1,6-hexandiol, 1 , 9-nonandiol, ethylene glycol, 1,2-propandiol, neopentyl glycol, thiodiethylene glycol, diethylene glycol, triethylene glycol, pentaerythritol, tris {hydroxyethyl) isocyanurate, N, N'-bis (hydroxyethyl) oxamide, 3-thioundecanol, 3 -thiopentadecanol, trimethylhexandiol, trimethylolpropane, 4-hydroxymethyl-1-phospho-2, 6,7-trioxabicyclo [2.2.2] -octane.
1.16 Esteri dell'acido 3,5-di-t-butil-4-idrossifenil)acetico con alcooli monoidrici o poliidrici come, ad esempio: metanolo, etanolo, n-ottanolo, iottanolo, ottadecanolo, 1,6-esandiolo, 1,9-nonandiolo, glicole etilenico, 1,2-propandiolo, glicole neopentilico, glicole tiodietilenico, glicole dietilenico, glicole trietilenico, pentaeritritolo, tris (idrossietil)isocianurato, Ν,Ν'-bis(idrossietil)ossammide, 3-tioundecanolo, 3-tiopentadecanolo, trimetilesandiolo, trimetilolpropano, 4-idrossimetil-1-fosfo-2, 6,7-triossabiciclo[2.2.2]ottano. 1.16 Esters of 3,5-di-t-butyl-4-hydroxyphenyl) acetic acid with monohydric or polyhydric alcohols such as, for example: methanol, ethanol, n-octanol, octanol, octadecanol, 1,6-hexandiol, 1, 9-nonandiol, ethylene glycol, 1,2-propandiol, neopentyl glycol, thiodethylene glycol, diethylene glycol, triethylene glycol, pentaerythritol, tris (hydroxyethyl) isocyanurate, Ν, Ν'-bis (hydroxyethyl) oxamide, 3-thioundecanol, 3- thiopentadecanol, trimethylhexandiol, trimethylolpropane, 4-hydroxymethyl-1-phospho-2, 6,7-trioxabicyclo [2.2.2] octane.
1.17 Ammidi dell'acido fi-(3,5-di-t-butil-4-idrossifenil)propionico come, ad esempio: Ν,Ν'-bis (3,5-di-t-butil-4-idrossifenilpropionil)esametilenediammina; N,N'-bis (3,5-di-t-butil— 4— idrossifenilpropionil)trimetilenediammina; N,N'— bis(3,5-di-t-butil-4-idrossifenilpropionil)idrazina . 1.17 Amides of fi- (3,5-di-t-butyl-4-hydroxyphenyl) propionic acid such as, for example: Ν, Ν'-bis (3,5-di-t-butyl-4-hydroxyphenylpropionyl) hexamethylenediamine ; N, N'-bis (3,5-di-t-butyl— 4— hydroxyphenylpropionyl) trimethylenediamine; N, N'-bis (3,5-di-t-butyl-4-hydroxyphenylpropionyl) hydrazine.
1.18 Acido ascorbico (vitamina C). 1.18 Ascorbic acid (vitamin C).
1.19 Antiossidanti amminici come, ad esempio, Ν,Ν'-di-isopropil-p-fenilenediammina; N,N'-di-s-butil-pfenilenediammina; Ν,Ν' -bis(1,4-dimetilpentil-p-fenilenediammina; Ν,Ν'-bis(l-etil-3-metilpentil-p-fenilenediammina; N,N'-bis(1-metileptil-p-fenilenediammina; Ν,Ν'-dicicloesil-p-fenilenediammina; Ν,Ν'-difenil-p-fenilenediammina; N,N'-bis(2-naftil)-pfenilenediammina; N-isopropil-N'-fenil-p-fenilenediammina; N-(1,3-dimetilbutil)-N'-fenil-p-fenilenediammina; N-(1-metileptil)-N'-fenil-p-fenilenediammina; N-cicloesil-N' -fenil-p-fenilenediammina; 4-(p-toluenesulfamoil)difenileneammina; N,N'-dimetil-Ν,Ν'-di-s-butil-p-f enilenediammina; difenilammina; N-allildifenilammina; 4-isopropossidifenilammina; N-fenil-1-naftilammina; N-{4-t-ottilfenil)1-naftilammina; N-fenil-2-naftilammina; difenilammina ottilata quale, ad esempio, p,p'-dì-t-ottildifenilammina; 4-n-butilamminofenolo; 4-butirrilamminofenolo; 4-nonanoilamminofenolo; 4-dodecanoilamminofenolo; 4-ottadecanoilamminofenolo; bis(4-metossifenil)ammina; 2,6-di-t-butil-4-dimetilamminometilfenolo; 2,4'-diamminodifenilmetano; 4,4'-diamminodifenilmetano; N,N,N',N'-tetrametil-4,4'-diamminodifenilmetano; 1,2-bis[(2-metilfenil)ammino]etano; 1,2-bis (fenilammino)propano; (o-tolil)biguanide; bis[4-{1',3'-dimetilbutil)fenil]ammina; N-fenil-1-naftilammina t-ottilata; miscela di t-butil/t-ottildifenilammine mono- e dialchilate; miscela di nonildìfenilammine mono- e dialchilate; miscela di dodecildifenilammine mono- e dialchilate; miscela di isopropil/isoesildifenilammine mono- e dialchilate; miscela di t-butildifenilammine mono- e dialchilate; 2,3-diidro-3,3-dimetil-4H-1,4-benzotiazina; fenotiazina; miscela dì t-butil/t-ottilfenotiazine mono- e dialchilate; miscela di t-ottilfenotiazine mono- e dialchilate; N-allil-fenotiazina; N,N,N',N'-tetrafenil--1,4— diamminobut--2— ene; N,N-bis (2,2,6,6-tetrametil-piperid-4-il-esametile— nedìammina; bis(2,2,6,6-tetrametilpiperid-4-il)sebacato; 2,2,6,6-tetrametilpiperidin-4-one; 2,2,6,6-tetrametilpiperidin-4-olo . 1.19 Amine antioxidants such as, for example, Ν, Ν'-di-isopropyl-p-phenylenediamine; N, N'-di-s-butyl-pphenylenediamine; Ν, Ν '-bis (1,4-dimethylpentyl-p-phenylenediamine; Ν, Ν'-bis (1-ethyl-3-methylpentyl-p-phenylenediamine; N, N'-bis (1-methylheptyl-p-phenylenediamine ; Ν, Ν'-dicyclohexyl-p-phenylenediamine; Ν, Ν'-diphenyl-p-phenylenediamine; N, N'-bis (2-naphthyl) -pphenylenediamine; N-isopropyl-N'-phenyl-p-phenylenediamine; N- (1,3-dimethylbutyl) -N'-phenyl-p-phenylenediamine; N- (1-methylheptyl) -N'-phenyl-p-phenylenediamine; N-cyclohexyl-N '-phenyl-p-phenylenediamine; 4 - (p-toluenesulfamoyl) diphenyleneamine; N, N'-dimethyl-Ν, Ν'-di-s-butyl-p-phenylenediamine; diphenylamine; N-allyldiphenylamine; 4-isopropoxyphenylamine; N-phenyl-1-naphthylamine; N- { 4-t-octylphenyl) 1-naphthylamine; N-phenyl-2-naphthylamine; octyl diphenylamine such as, for example, p, p'-di-t-octyldiphenylamine; 4-n-butylaminophenol; 4-butyrylaminophenol; 4-nonanoylaminophenol; 4-dodecanoylaminophenol; 4-octadecanoylaminophenol; bis (4-methoxyphenyl) amine; 2,6-di-t-butyl-4-dimethylaminomethylphenol; 2,4'-diaminodiphenylmethane; 4,4'-diaminodiphenylmethane; N, N, N ' , N'-tet ramethyl-4,4'-diaminodiphenylmethane; 1,2-bis [(2-methylphenyl) amino] ethane; 1,2-bis (phenylamino) propane; (o-tolyl) biguanide; bis [4- {1 ', 3'-dimethylbutyl) phenyl] amine; T-octylated N-phenyl-1-naphthylamine; mixture of mono- and dialkylated t-butyl / t-octyldiphenylamines; mixture of mono- and dialkylated nonyldìphenylamines; mixture of mono- and dialkylated dodecyldiphenylamines; mixture of mono- and dialkylated isopropyl / isoesyldiphenylamines; mixture of mono- and dialkylated t-butyldiphenylamines; 2,3-dihydro-3,3-dimethyl-4H-1,4-benzothiazine; phenothiazine; mixture of mono- and dialkylated t-butyl / t-octylphenothiazines; mixture of mono- and dialkylated t-octylphenothiazines; N-allyl-phenothiazine; N, N, N ', N'-tetraphenyl - 1,4— diaminobut - 2— ene; N, N-bis (2,2,6,6-tetramethyl-piperid-4-yl-hexamethyl-nediamine; bis (2,2,6,6-tetramethylpiperid-4-yl) sebacate; 2,2,6, 6-tetramethylpiperidin-4-one; 2,2,6,6-tetramethylpiperidin-4-ol.
2. Stabilizzanti ai raggi ultravioletti ed alla luce. 2. Ultraviolet and light stabilizers.
2.1 Derivati di 2-(2'-idrossifenil)benzotriazoli come, ad esempio: 2-(2'-idrossi-5'-metilfenil)benzotriazolo; 2-(3',5'-di-t-butil-2'-idrossifenil)-benzotriazolo; 2-(5'-t-butil-2'-idrossifenil)benzotriazolo; 2- [2'-idrossi-5'-(1,1,3,3-tetrametilbutil)fenìl]benzotriazolo; 2-(3',5'-~di-t-butil--2'--idrossifenil)-5-clorobenzotriazolo; 2-(3'-t-butil-2'-idrossi-51-metilfenil)-5-clorobenzotriazolo; 2-(3'-s-butil--5'— t-butil-2'-idrossifenil)benzotriazolo; 2-(2'-idrossi-4'-ottilossifenil)benzotriazo— lo; 2-(3',5'-di-t-amil-2'-idrossifenil)benzotriazolo; 2-[3',5'-bis(a,a-dimetilbenzil)-2'-idrossifenil]benzotrìazolo; miscele di 2—[3'— t— butil— 2'— idrossì-5'-(2-ottilossicarboniletil)fenil]-5-clorobenzotriazolo, 2-[3'--t— butil-5'-(2-{2-etilesilossi)carboniletil)-2'-idrossifenil]-5-clorobenzotriazolo, 2-[3'-t-butil-2 '-idrossi-5'-(2-metossicarboniletil)fenil]--5-clorobenzotriazolo, 2- [3'-t-butil-2'-idrossi-5'-(2-metossicarboniletil)fenil]benzotriazolo, 2-[3'-t-butil-2'-idrossi-5'-(2-ottilossicarboniletil)fenil]benzotrìazolo, 2- [3'-t-butil-5'-(2-(2-etilesilossi)carboniletil)-2'-idrossife— nil]benzotrìazolo, 2- (3'-dodecil-2'-idrossi-5'-metilfenil)benzotrìazolo e 2-(3'-t-butil-2'-idrossi-5'-(2-isoottilossicarboniletil)fenil]benzotrìazolo, 2,2'— metilenebis-[4-(1,1,3,3-tetrametilbutil)— 6— benzotriazol-2-ìl-fenolo]; prodotto di transesterificazione del 2-[3'-t-butil-5 2-metossicarboniletil)-2'-idrossifenil]-2H-benzotriazolo con il polietilene glicole 300; 2.1 Derivatives of 2- (2'-hydroxyphenyl) benzotriazoles such as, for example: 2- (2'-hydroxy-5'-methylphenyl) benzotriazole; 2- (3 ', 5'-di-t-butyl-2'-hydroxyphenyl) -benzotriazole; 2- (5'-t-butyl-2'-hydroxyphenyl) benzotriazole; 2- [2'-hydroxy-5 '- (1,1,3,3-tetramethylbutyl) phenyl] benzotriazole; 2- (3 ', 5'- ~ di-t-butyl - 2' - hydroxyphenyl) -5-chlorobenzotriazole; 2- (3'-t-butyl-2'-hydroxy-51-methylphenyl) -5-chlorobenzotriazole; 2- (3'-s-butyl - 5'— t-butyl-2'-hydroxyphenyl) benzotriazole; 2- (2'-hydroxy-4'-octyloxyphenyl) benzotriazoal; 2- (3 ', 5'-di-t-amyl-2'-hydroxyphenyl) benzotriazole; 2- [3 ', 5'-bis (a, a-dimethylbenzyl) -2'-hydroxyphenyl] benzotriazole; mixtures of 2— [3'— t— butyl— 2'— hydroxy-5 '- (2-octyloxycarbonylethyl) phenyl] -5-chlorobenzotriazole, 2- [3' - t— butyl-5 '- (2- { 2-ethylhexiloxy) carbonylethyl) -2'-hydroxyphenyl] -5-chlorobenzotriazole, 2- [3'-t-butyl-2 '-hydroxy-5' - (2-methoxycarbonylethyl) phenyl] - 5-chlorobenzotriazole, 2- [3'-t-butyl-2'-hydroxy-5 '- (2-methoxycarbonylethyl) phenyl] benzotriazole, 2- [3'-t-butyl-2'-hydroxy-5' - (2-octyloxycarbonylethyl) phenyl] benzotriazole, 2- [3'-t-butyl-5 '- (2- (2-ethylhexyloxy) carbonylethyl) -2'-hydroxyphonyl] benzotriaazole, 2- (3'-dodecyl-2'-hydroxy-5' -methylphenyl) benzotriazole and 2- (3'-t-butyl-2'-hydroxy-5 '- (2-isooctyloxycarbonyl ethyl) phenyl] benzotriaazole, 2,2'— methylenebis- [4- (1,1,3,3 -tetramethylbutyl) - 6— benzotriazol-2-ìl-phenol]; transesterification product of 2- [3'-t-butyl-5 2-methoxycarbonylethyl) -2'-hydroxyphenyl] -2H-benzotriazole with polyethylene glycol 300;
in cui R = 3'-t-butil-4'-idrossi-5'-2H-benzotriazol-2-ilfenil. wherein R = 3'-t-butyl-4'-hydroxy-5'-2H-benzotriazol-2-ylphenyl.
2.2 Derivati di 2-idrossibenzofenoni come, ad esempio: 4-idrossì-; 4-metossì-; 4-ottilossi; 4-decilossi-; 4-dodecilossi-; 4-benzilossi-; 4,2',4'-triidrossi- ; 2'-idrossi-4,4'-dimetossi. 2.2 Derivatives of 2-hydroxybenzophenones such as, for example: 4-hydroxy-; 4-methoxy-; 4-octyloxy; 4-decyloxy-; 4-dodecyloxy-; 4-benzyloxy-; 4,2 ', 4'-trihydroxy-; 2'-hydroxy-4,4'-dimethoxy.
2.3 Esteri di acidi benzoici, opzionalmente sostituiti, come, ad esempio: fenil salicilato, 4-tbutilfenil salicilato, ottilfenil salicilato, benzoli resorcinolo, bis(4-t-butilbenzoil)resorcinolo, dibenzoil resorcinolo, 2,4-di-t-butilfenil-3,5-dit-butil-4-idrossibenzoato, esadecil-3,5-di-t-butil-4--idrossibenzoato, ottadecil— 3,5--di— t— butil-4-idrossibenzoato, 2-metil--4,6--di-t-butilfenil-3,5-di-t-butil-4-idrossibenzoato . 2.3 Esters of benzoic acids, optionally substituted, such as, for example: phenyl salicylate, 4-tbutylphenyl salicylate, octylphenyl salicylate, benzene resorcinol, bis (4-t-butylbenzoyl) resorcinol, dibenzoyl resorcinol, 2,4-di-t-butylphenyl -3,5-dit-butyl-4-hydroxybenzoate, hexadecyl-3,5-di-t-butyl-4 - hydroxybenzoate, octadecyl— 3,5 - di— t— butyl-4-hydroxybenzoate, 2-methyl --4,6 - di-t-butylphenyl-3,5-di-t-butyl-4-hydroxybenzoate.
2.4 Acrilati come, ad esempio, etil od isottil acìano-β,β-difenìlacrilato; metil a-carbometossicinnamato, metil o butil a-ciano-p-metil-p-metossicinnamato, metil a-carbometossi-p-metossicinnamato, N- (β-carbometossi-β-cianovinil)-2-metilindolina. 2.5 Composti del nichel come, ad esempio, complessi del 2,2'-tio-bis-[4-(1,1,3,3-tetrametilbutil)fenolo], ad esempio complessi 1:1 o 1:2, con o senza leganti addizionali come n-butilammina, trietanolammina o N-cicloesildietanolammina, nichel dibutilditiocarbammato, sali di nichel di esteri monoalchilici dell'acido 4-idrossi-3,5-di-t-butil-benzilfosfonico, come esteri metilici o etilici, complessi del nichel con chetossime come 2-idrossi-4-metilfenìl undecilchetossima, complessi del nichel di 1-fenil-4-lauroil-5-ìdrossipirazolo con o senza leganti addizionali. 2.4 Acrylates such as, for example, ethyl or isoctyl acyl-β, β-diphenylacrylate; methyl a-carbomethoxycinnamate, methyl or butyl a-cyano-p-methyl-p-methoxycinnamate, methyl a-carbomethoxy-p-methoxycinnamate, N- (β-carbomethoxy-β-cyanovinyl) -2-methylindoline. 2.5 Nickel compounds such as, for example, complexes of 2,2'-thio-bis- [4- (1,1,3,3-tetramethylbutyl) phenol], for example 1: 1 or 1: 2 complexes, with or without additional ligands such as n-butylamine, triethanolamine or N-cyclohexyldiethanolamine, nickel dibutyldithiocarbamate, nickel salts of monoalkyl esters of 4-hydroxy-3,5-di-t-butyl-benzylphosphonic, such as methyl or ethyl esters, complexes of nickel with kethoxime such as 2-hydroxy-4-methylphenyl undecylketoxime, nickel complexes of 1-phenyl-4-lauroyl-5-hydroxypyrazole with or without additional ligands.
2.6 Animine stericamente impedite come, ad esempio: bis- {2,2,6,6-tetrametil-4-piperidil)sebacato; bis— (2,2,6,6-tetrametil-4-piperidil)succinato; bis(1,-2.2. 6.6-pentametil-4-piperidil)sebacato; bis(1-ottilossi — 2,2,6,6— tetrametil— 4-piperidil)sebacato; bis (1,2,2,6,6-pentametil-4-piperidil)-n-butil-3,5— di-t-butil-4-idrossibenzilmalonato; prodotto di condensazione tra la N,N'-bis(2,2,6,6-tetrametil-4-piperidil)esametilendiammina e la 4-t-ottilammino-2.6-dicloro-1, 3,5-triazina; tris(2,2,-6,6-tetrametil-4-piperidil )nitrilotriacetato, tetrakis(2,2,6,-6-tetrametil--4--piperidil) -1,2,3,4-butanotetracarbossilato; 1,1' -(1,2-etanodiil)bis(3,3,5,5-tetrametilpiperazinone) ; 4-benzoil-2,2,6,6-tetrametilpiperidina; 4-stearilossi-2,2,6,6-tetrametilpiperidina; bis(1,2,2,6,6-pentametilpiperi-dil)-2-n-butil-2- (2-idrossi-3,5-di-t-butilbenzil)maionato; 3-n-ottil-7,7,9,9-tetrametil-1, 3,8-triazaspiro-[4.5]-decan-2,4-dione; bis(1-ottilossi-2,-2,6,6-tetrametilpiperidil)sebacato; bis(1-ottilossi-2,2,6,6-tetrametilpiperidil)succinato; prodotto di condensazione tra la N ,N'-bis(2,2,6,6-tetrametil-4-piperidil)esametilenediammina e la 4-morfolina-2,6dicloro-1 ,3,5-triazina; prodotto di condensazione tra la 2-cloro-4,6-bis-(4-n-butilammino-2,2,6,6-tetrametilpiperidil) -1,3,5-triazina e 1'1,-2-bis(3-amminopropilaminino)etano; prodotto di condensazione tra la 2-cloro-4,6-bis-(4-n-butilammino-1,2,2,6,6-pentametilpiperidil) -1,3,5-triazina e 1'1,2-bis(3-amminopropilammino)etano; 8-acetil-3-dodecil-7,7,-9,9-tetrametil-1, 3,8-triazaspiro-[4.5]-decano-2,4— dione; 3-dodecil-1-(2,2,6,6-tetrametil-4-piperidil)pirrolidin-2 ,5-dione; 3-dodecil-1-(1,2,2,6,6-pentametil-4-piperidil)pirrolidin-2, 5-dione; miscela di 4-esadecilossi- e 4-stearilossi-2,2,6,6-tetrametilpiperidina; prodotto di condensazione tra 1' N,N'-bis(2,2,6,6-tetrametil-4-piperidil)esameti— lenediammina e la 4-cicloesilammino-2,6-dicloro-1,3,5-triazina; prodotto di condensazione tra 1'1,2-bis {3-amminopropilammino)etano e la 2,4,6-tricloro-1,3,5-triazina, così come la 4-butilammino-2,2,6,6-tetrametilpiperidina (CAS Reg. No. 2.6 Sterically hindered animins such as, for example: bis- {2,2,6,6-tetramethyl-4-piperidyl) sebacate; bis— (2,2,6,6-tetramethyl-4-piperidyl) succinate; bis (1,2.2. 6.6-pentamethyl-4-piperidyl) sebacate; bis (1-octyloxy - 2,2,6,6 - tetramethyl - 4-piperidyl) sebacate; bis (1,2,2,6,6-pentamethyl-4-piperidyl) -n-butyl-3,5— di-t-butyl-4-hydroxybenzylmalonate; condensation product between N, N'-bis (2,2,6,6-tetramethyl-4-piperidyl) hexamethylenediamine and 4-t-octylamino-2,6-dichloro-1, 3,5-triazine; tris (2,2, -6,6-tetramethyl-4-piperidyl) nitrilotriacetate, tetrakis (2,2,6, -6-tetramethyl-4-piperidyl) -1,2,3,4-butanotetracarboxylate; 1,1 '- (1,2-ethanodiyl) bis (3,3,5,5-tetramethylpiperazinone); 4-benzoyl-2,2,6,6-tetramethylpiperidine; 4-stearyloxy-2,2,6,6-tetramethylpiperidine; bis (1,2,2,6,6-pentamethylpiperi-dil) -2-n-butyl-2- (2-hydroxy-3,5-di-t-butylbenzyl) mayionate; 3-n-octyl-7,7,9,9-tetramethyl-1,1,8-triazaspiro- [4.5] -decan-2,4-dione; bis (1-octyloxy-2, -2,6,6-tetramethylpiperidyl) sebacate; bis (1-octyloxy-2,2,6,6-tetramethylpiperidyl) succinate; condensation product between N, N'-bis (2,2,6,6-tetramethyl-4-piperidyl) hexamethylenediamine and 4-morpholine-2,6dichloro-1, 3,5-triazine; condensation product between 2-chloro-4,6-bis- (4-n-butylamino-2,2,6,6-tetramethylpiperidyl) -1,3,5-triazine and 1'1, -2-bis ( 3-aminopropylaminino) ethane; condensation product between 2-chloro-4,6-bis- (4-n-butylamino-1,2,2,6,6-pentamethylpiperidyl) -1,3,5-triazine and 1'1,2-bis (3-aminopropylamino) ethane; 8-acetyl-3-dodecyl-7,7, -9,9-tetramethyl-1,1,8-triazaspiro- [4.5] -decane-2,4-dione; 3-dodecyl-1- (2,2,6,6-tetramethyl-4-piperidyl) pyrrolidine-2,5-dione; 3-dodecyl-1- (1,2,2,6,6-pentamethyl-4-piperidyl) pyrrolidine-2,5-dione; mixture of 4-hexadecyloxy- and 4-stearyloxy-2,2,6,6-tetramethylpiperidine; condensation product between 1 'N, N'-bis (2,2,6,6-tetramethyl-4-piperidyl) hexamethylenediamine and 4-cyclohexylamino-2,6-dichloro-1,3,5-triazine; condensation product between 1,2-bis (3-aminopropylamino) ethane and 2,4,6-trichloro-1,3,5-triazine, as well as 4-butylamino-2,2,6,6- tetramethylpiperidine (CAS Reg. No.
[136504-96-6]; N- (2,2,6,6-tetrametil-4-piperidil)-n-dodecilsuccinimmide; N- (1,2,2,6,6-pentametil-4-piperidil)-n-dodecilsuccinimmide; 2-undecil-7,7,-9,9-tetrametil-1-ossa-3,8-diaza-4-ossospiro- [4,5]— decano; prodotto di reazione tra il 7 , 7 , 9, 9-tetrametil-2-cicloundecil-1-ossa-3,8-diaza-4-osso — spiro [4,5]decano e l'epicloridrina. [136504-96-6]; N- (2,2,6,6-tetramethyl-4-piperidyl) -n-dodecylsuccinimide; N- (1,2,2,6,6-pentamethyl-4-piperidyl) -n-dodecylsuccinimide; 2-undecyl-7,7, -9,9-tetramethyl-1-bone-3,8-diaza-4-ossospiro- [4,5] - decane; reaction product between 7, 7, 9, 9-tetramethyl-2-cycloundecyl-1-bone-3,8-diaza-4-bone - spiro [4,5] decane and epichlorohydrin.
2.7 Ossammidi come, ad esempio: 4,4'-diottilossiossanilide; 2,2'-dietossiossanilide; 2,2'-diottilossi-5,5 '-di-t-butossanilide; 2,2'-didodecilossi-5,5'-di-t-butossanilide; 2-etossi-2'-etilossianilide; N,N'-bis(3-dimetilamminopropil)ossammide; 2-etossi-5-t-butil-2 ' -etossanilide e sue miscele con 2-etossi-2 '-etil-5,4'-di-t-butossanilide; e miscele di orto- e para-metossi ossanilidi disostituite e miscele di orto- e para-etossi ossanilidi disostituite . 2.7 Oxamides such as, for example: 4,4'-dioctyloxyoxanilide; 2,2'-diethoxyoxanilide; 2,2'-dioctyloxy-5,5 '-di-t-butoxanilide; 2,2'-didodecyloxy-5,5'-di-t-butoxanilide; 2-ethoxy-2'-ethyloxyanilide; N, N'-bis (3-dimethylaminopropyl) oxamide; 2-ethoxy-5-t-butyl-2 '-ethoxanilide and its mixtures with 2-ethoxy-2' -ethyl-5,4'-di-t-butoxanilide; and mixtures of disubstituted ortho- and para-methoxy oxanilides and mixtures of disubstituted ortho- and para-ethoxy oxanilides.
2.8 2- (2-idrossifenil)-1,3,5-triazine come, ad esempio: 2,4,6-tris(2-idrossi--4— ottilossifenil)-1,3,5-triazina; 2-(2-idrossi-4-ottilossifenil)-4,6-bis (2,4-dimetilfenil)--1,3,5--triazina; 2-(2,4-diidrossifenil)-4,6-bis (2,4-dimetilfenil)-1,3,5-triazina; 2,4-bis-(2-idrossi-4-propilossifenil)-6-(2,4-dimetilfenil)-1,3,5-triazina; 2-(2-idrossi-4-ottilossifenil)— 4,6— bis(4-metilfenil)— 1,3,5-triazina; 2-(2-idrossi-4-dodecilossifenil)-4,6-bis {2,4-dime--tilfenil)-1,3,5-triazina; 2-[2-idrossi-4-(2-idrossì-3-butilossipropossi)fenil]-4, 6-bis(2,4-dimetil)-1,3,-5-triazina; 2-[2-idrossi-4-(2-idrossi-3-ottilossipropilossi)fenil]-4,6-bis (2,4-dimetil)— 1,3,5--triazina; 2- (2-idrossi-4-tridecilossifenil)— 4,6-bis- (2,4-dimetilfenil)-1,3,5-triazina; 2-[4-(dodecilossi/tridecilossi-2-idrossipropossi) -2-idrossi— fenil]-4,6-bis (2,4-dimetilfenil)-1,3,5-triazina; 2-[2-idrossi-4-(2-idrossi--3— dodecilossipropossi)fenil]-4,6-bis (2,4-dimetilfenil)-1,3,5-triazina; 2-(2-idrossi-4-esilossifenil)-4,6-difenil-1,3,5-tri--azina; 2-(2-idrossi-4-metossifenil)4,6-difenil-1,-3,5-triazina; 2,4,6-tris[2-idrossi-4-(3-butossi-2-idrossipropossi) fenil]-1,3,5-triazina; 2-(2-idrossifenil)-4- (4-metossifenil)-6-fenil-l,3,5-triazina. 2.8 2- (2-hydroxyphenyl) -1,3,5-triazine such as, for example: 2,4,6-tris (2-hydroxy-4-octyloxyphenyl) -1,3,5-triazine; 2- (2-hydroxy-4-octyloxyphenyl) -4,6-bis (2,4-dimethylphenyl) - 1,3,5 - triazine; 2- (2,4-dihydroxyphenyl) -4,6-bis (2,4-dimethylphenyl) -1,3,5-triazine; 2,4-bis- (2-hydroxy-4-propyloxyphenyl) -6- (2,4-dimethylphenyl) -1,3,5-triazine; 2- (2-hydroxy-4-octyloxyphenyl) - 4,6— bis (4-methylphenyl) - 1,3,5-triazine; 2- (2-hydroxy-4-dodecyloxyphenyl) -4,6-bis (2,4-dime - tylphenyl) -1,3,5-triazine; 2- [2-hydroxy-4- (2-hydroxy-3-butyloxypropoxy) phenyl] -4, 6-bis (2,4-dimethyl) -1,3, -5-triazine; 2- [2-hydroxy-4- (2-hydroxy-3-octyloxypropyloxy) phenyl] -4,6-bis (2,4-dimethyl) - 1,3,5 - triazine; 2- (2-hydroxy-4-tridecyloxyphenyl) - 4,6-bis- (2,4-dimethylphenyl) -1,3,5-triazine; 2- [4- (dodecyloxy / tridecyloxy-2-hydroxypropoxy) -2-hydroxyphenyl] -4,6-bis (2,4-dimethylphenyl) -1,3,5-triazine; 2- [2-hydroxy-4- (2-hydroxy - 3— dodecyloxypropoxy) phenyl] -4,6-bis (2,4-dimethylphenyl) -1,3,5-triazine; 2- (2-hydroxy-4-hexyloxyphenyl) -4,6-diphenyl-1,3,5-tri-azine; 2- (2-hydroxy-4-methoxyphenyl) 4,6-diphenyl-1, -3,5-triazine; 2,4,6-tris [2-hydroxy-4- (3-butoxy-2-hydroxypropoxy) phenyl] -1,3,5-triazine; 2- (2-hydroxyphenyl) -4- (4-methoxyphenyl) -6-phenyl-1,3,5-triazine.
3. "Metal-deactivators” come, ad esempio: N,N'-difenilossammide, N-salicilal-N'-saliciloil-idrazina, N,N '-bis(saliciloil)idrazina, N,N'-bis(3,5-di-t-butil-4-idrossifenilpropionil)idrazina, 3-saliciloilammino-1,2,4-triazolo, bis(benzilidene)ossalil diidrazide, ossanilide, isoftaloil diidrazide, sebacoil bisfenilidrazide, N,N'-diacetiladipoil diidrazide, N,N'-bis(saliciloil)ossallil diidrazide, N,N'-bis (saliciloil)tiopropionil diidrazide. 3. "Metal-deactivators" such as, for example: N, N'-diphenyloxamide, N-salicylal-N'-salicyloyl-hydrazine, N, N '-bis (salicyloyl) hydrazine, N, N'-bis (3, 5-di-t-butyl-4-hydroxyphenylpropionyl) hydrazine, 3-salicyloylamino-1,2,4-triazole, bis (benzylidene) oxalyl dihydrazide, oxanilide, isophthaloyl dihydrazide, sebacoyl bisphenylhydrazide, N, N'-diacetyladipoyl dihydrazide , N'-bis (salicyloyl) oxalyl dihydrazide, N, N'-bis (salicyloyl) thiopropionyl dihydrazide.
4. Fosfiti e fosfoniti come, ad esempio: trifenil fosfito, difenil alchil fosfiti, fenil dialchil fosfiti, tris(nonilfenil)fosfito, trilauril fosfito, triottadecil fosfito, distearil pentaeritritol difosfito, tris(2,4-di-t-butilfenil)fosfito, diisodecil pentaeritritol difosfito, bis(2,4-di-t-butilfenil)pentaeritritol difosfito, bis(2,6-di-t-butil-4-metilfenil)pentaeritritol difosfito, diisodecilossipentaeritritol difosfito, bis(2,4-di-t-butil-6-metilfenil )pentaeritritol difosfito, bis[2,4,6-tris (t-butilfenil)]pentaeritritol difosfito, tristearil sorbitol trifosfito, tetrakis(2,4-di-t-butilfenil)-4, 4'-difenililenedifosfonito, 6-isoottilossi-2,4 ,8,10-tetra-t-butil-12H-dibenzo[d,g]-l,3,2-diossafosfocina, 6-flucro-2,4,8,10-tetra-t-butil-12-metil-dibenzo [d,g]-1,3,2-diossafosfocina, bis-(2,4-di-t-butil-6-metilfenil)metilfosfito, bis(2,4-di-t-butil-6-metilfenil )etiliosfito. 4. Phosphites and phosphonites such as, for example: triphenyl phosphite, diphenyl alkyl phosphites, phenyl dialkyl phosphites, tris (nonylphenyl) phosphite, trilauryl phosphite, trioctadecyl phosphite, distearyl pentaerythritol diphosphite, tris (2,4-di-t-butylphenyl) , diisodecyl pentaerythritol diphosphite, bis (2,4-di-t-butylphenyl) pentaerythritol diphosphite, bis (2,6-di-t-butyl-4-methylphenyl) pentaerythritol diphosphite, diisodecyloxypentaerythritol diphosphite, bis (2,4-di- t-butyl-6-methylphenyl) pentaerythritol diphosphite, bis [2,4,6-tris (t-butylphenyl)] pentaerythritol diphosphite, tristearyl sorbitol triphosphite, tetrakis (2,4-di-t-butylphenyl) -4, 4 ' -diphenylylenediphosphonite, 6-isooctyloxy-2,4, 8,10-tetra-t-butyl-12H-dibenzo [d, g] -1, 3,2-dioxaphosphocin, 6-flucer-2,4,8,10- tetra-t-butyl-12-methyl-dibenzo [d, g] -1,3,2-dioxaphosphocin, bis- (2,4-di-t-butyl-6-methylphenyl) methylphosphite, bis (2,4- di-t-butyl-6-methylphenyl) ethylphite.
5. Idrossilammine come, ad esempio: N,N-dibenzilidrossilammina; N,N-dietilidrossilammina ; N,N-diottilidrossilammina; N,N-dilaurilidrossilammina; N,N-ditetradecilidrossilammina, N,N-diesadecilidrossilammina; N,N-diottadecilidrossilammina; N-esadecil-N-ottadecilidrossilammina ; N-eptadecil-N-ottadecilidrossilammina; N,N-idrossilammina derivata dall'ammina del sego idrogenata. 5. Hydroxylamines such as, for example: N, N-dibenzylhydroxylamine; N, N-diethylhydroxylamine; N, N-dioctylhydroxylamine; N, N-dilaurylhydroxylamine; N, N-dithetradecylhydroxylamine, N, N-hexadecylhydroxylamine; N, N-dioctadecylhydroxylamine; N-hexadecyl-N-octadecyl hydroxylamine; N-heptadecyl-N-octadecyl hydroxylamine; N, N-hydroxylamine derived from hydrogenated tallow amine.
6. Nitroni come, ad esempio: N-benzil-a-fenilnitrone; N-etil-a-metil-nitrone; N-ottil-a-eptilnitrone; N-lauril-a-undecil-nitrone; N-tetradecilα-tridecil-nitrone; N-esadecil-a-pentadecil-nitrone; N-ottadecil-a-eptadecil-nitrone; N-esadecil-aeptadecil-nitrone; N-ottadecil-a-pentadecil-nitrone; N-eptadecil-a-eptadecil-nitrone; N-ottadecil-aesadecil-nitrone; nitrone derivato dall'ammina del sego idrogenata. 6. Nitrons such as, for example: N-benzyl-a-phenylnitrone; N-ethyl-a-methyl-nitrone; N-octyl-a-heptylnitron; N-lauryl-a-undecyl-nitrone; N-tetradecylα-tridecyl-nitrone; N-hexadecyl-a-pentadecyl-nitrone; N-octadecyl-a-heptadecyl-nitrone; N-hexadecyl-aheptadecyl-nitrone; N-octadecyl-a-pentadecyl-nitrone; N-heptadecyl-a-heptadecyl-nitrone; N-octadecyl-hexadecyl-nitrone; nitrone derived from hydrogenated tallow amine.
7. Tiosinergisti come, ad esempio: dilauril tiodipropionato; distearil tiodipropionato. 7. Thiosynergists such as, for example: dilauryl thiodipropionate; distearyl thiodipropionate.
8. Agenti che sono in grado di distruggere i perossidi come, ad esempio, esteri dell'acido βtiodipropionico come lauril, stearil, miristil o tridecil esteri, mercaptobenzimidazolo o sale di zinco del 2-mercaptobenzimidazolo, zinco dibutilditiocarbammato, diottadecildisolfuro, pentaeritritol tetrakis (β-dodecilmercapto)propionato. 8. Agents that are capable of destroying peroxides such as, for example, esters of βthiodipropionic acid such as lauryl, stearyl, myristyl or tridecyl esters, mercaptobenzimidazole or 2-mercaptobenzimidazole zinc salt, zinc dibutyldithiocarbamate (β-dioctolodecyldisulfide -dodecilmercapto) propionate.
9. Stabilizzanti della poliammide come, ad esempio, sali di rame in combinazione con composti dello iodio e/o del fosforo, sali del manganese divalente. 9. Stabilizers of polyamide such as, for example, copper salts in combination with iodine and / or phosphorus compounds, salts of divalent manganese.
10. Co-stabilizzanti basici come, ad esempio: melammina, polivinilpirrolidone, dicianodiammide, triallil cianurato, derivati dell'urea, derivati dell'idrazina, ammine, poliammidi, poliuretani, sali dei metalli alcalini e sali dei metalli alcalino-terrosi di acidi grassi ad elevato peso molecolare come, ad esempio, Ca-stearato, Zn-stearato, Mg-stearato, Mg-behenato, Na-ricinoleato, K-palmitato, antimonio-pirocatecolato, stagno-pirocatecolato, montanato di calcio. 10. Basic co-stabilizers such as, for example: melamine, polyvinylpyrrolidone, dicyanodiamide, triallyl cyanurate, urea derivatives, hydrazine derivatives, amines, polyamides, polyurethanes, alkali metal salts and alkaline earth metal salts of fatty acids with high molecular weight such as, for example, Ca-stearate, Zn-stearate, Mg-stearate, Mg-behenate, Na-ricinoleate, K-palmitate, antimony-pyrocatecolate, tin-pyrocatecolate, calcium montanate.
11. Agenti nucleanti come, ad esempio: sostanze inorganiche quali talco, ossidi metallici (ad esempio, diossido di titanio od ossido di magnesio), fosfati, carbonati o solfati (preferibilmente di metalli alcalino-terrosi); composti organici quali acidi mono- o policarbossilici e loro sali (ad esempio, acido 4-t-butilbenzoico, acido adipico, acido difenilacetico, succinato di sodio, benzoato di sodio); composti polimerici quali copolimeri ionici ("ionomers"). 11. Nucleating agents such as, for example: inorganic substances such as talc, metal oxides (for example, titanium dioxide or magnesium oxide), phosphates, carbonates or sulphates (preferably of alkaline earth metals); organic compounds such as mono- or polycarboxylic acids and their salts (for example, 4-t-butylbenzoic acid, adipic acid, diphenylacetic acid, sodium succinate, sodium benzoate); polymeric compounds such as ionic copolymers ("ionomers").
12. Cariche ed agenti rinforzanti come, ad esempio: carbonato di calcio, silicati, fibre di vetro, amianto, talco, caolino, mica, solfato di bario, ossidi ed idrossidi metallici, nero fumo, grafite, farina di legno e farine o fibre di altri prodotti naturali, fibre sintetiche. 12. Fillers and reinforcing agents such as, for example: calcium carbonate, silicates, glass fibers, asbestos, talc, kaolin, mica, barium sulphate, metal oxides and hydroxides, carbon black, graphite, wood flour and flours or fibers of other natural products, synthetic fibers.
13. Altri additivi come, ad esempio: plastificanti, lubrificanti, emulsionanti, pigmenti, additivi reologici, catalizzatori, agenti di scivolamento, brillantanti ottici, agenti antifiammma (ad esempio, bromurati, clorurati, fosforati e misti fosforo/alogeni), agenti antistaticì, agenti di espansione. 13. Other additives such as, for example: plasticizers, lubricants, emulsifiers, pigments, rheological additives, catalysts, sliding agents, optical brighteners, anti-inflammatory agents (for example, brominated, chlorinated, phosphorated and mixed phosphorus / halogens), antistatic agents, expansion agents.
11. Benzofuranoni ed indolinoni come, ad esempio: 3- [4-(2-acetossietossi)fenil]-5,7-di-t-butil-benzofuran-2-one; 5,7-di-t-butil-3-[4-{2-stearoilossietossi)fenil)benzofuran-2-one; 3,3'-bis[5,7-di-tbutìl--3— [4-(2-idrossìetossi)fenil]benzofuran— 2— one]; 5,7-di-t-butil~3-(4-etossifenil)benzofuran-2-one; 3-(4-acetossi-3,5-dimetilfenil)-5,7-di-t-butil-benzofuran-2-one; 3-(3,5-dimetil-4-pivaloilossifenil)-5,7-di-t-butil-benzofuran-2-one ; oppure quelli descritti nei brevetti USA No 4,325,863, 4,338,244, 5,175,312, 5,216,052 e 5,252,643; nei brevetti tedeschi DE 4,316,611, 4,316,622 e 4,316,876; o nelle domande di brevetto europeo No. 11. Benzofuranones and indolinones such as, for example: 3- [4- (2-acetoxyethoxy) phenyl] -5,7-di-t-butyl-benzofuran-2-one; 5,7-di-t-butyl-3- [4- {2-stearoyloxyethoxy) phenyl) benzofuran-2-one; 3,3'-bis [5,7-di-tbutyl - 3— [4- (2-hydroxyethoxy) phenyl] benzofuran— 2— one]; 5,7-di-t-butyl ~ 3- (4-ethoxyphenyl) benzofuran-2-one; 3- (4-acetoxy-3,5-dimethylphenyl) -5,7-di-t-butyl-benzofuran-2-one; 3- (3,5-dimethyl-4-pivaloyloxyphenyl) -5,7-di-t-butyl-benzofuran-2-one; or those described in US patents Nos. 4,325,863, 4,338,244, 5,175,312, 5,216,052 and 5,252,643; in German patents DE 4,316,611, 4,316,622 and 4,316,876; or in European patent applications No.
589,839 e 591,102. 589.839 and 591.102.
Allo scopo di meglio comprendere la presente invenzione e per mettere in pratica la stessa, vengono di seguito riportati alcuni esempi illustrativi ma non limitativi della presente invenzione. In order to better understand the present invention and to put it into practice, some illustrative but not limitative examples of the present invention are given below.
ESEMPIO 1 EXAMPLE 1
Resistenza alla luce di "tapes" di polipropilene. Resistance to light of polypropylene tapes.
100 g di polipropilene in polvere omopolimero (Moplen FLF20 della Himont - MFI 12÷15 g/10') vengono miscelati con i seguenti additivi: 100 g of homopolymer polypropylene powder (Moplen FLF20 by Himont - MFI 12 ÷ 15 g / 10 ') are mixed with the following additives:
tris(2,4-di-t-butilfenil)fosfito (ALKANOX 240 della Great Lakes): 0,1 g; tris (2,4-di-t-butylphenyl) phosphite (ALKANOX 240 from Great Lakes): 0.1 g;
tetrakismetilene (3,5-di-t-butil-4-idrossiidro--cinnamato)metano (ANOX 20 della Great Lakes): 0,1 g; tetrakismethylene (3,5-di-t-butyl-4-hydroxyhydro - cinnamate) methane (ANOX 20 from Great Lakes): 0.1 g;
calcio stearato: 0,05 g. calcium stearate: 0.05 g.
Alla suddetta miscela vengono aggiunti i seguenti stabilizzanti alla luce nelle quantità riportate in Tabella 1: The following light stabilizers are added to the above mixture in the quantities shown in Table 1:
poli-metilpropil-3-ossi- [4-(2,2,6,6--tetrame— til)piperidinil ]silossano (UVASIL 299 della Great Lakes); poly-methylpropyl-3-oxi- [4- (2,2,6,6 - tetramethyl) piperidinyl] siloxane (UVASIL 299 from Great Lakes);
prodotto di condensazione tra l'acido butanodioco ed il 4-idrossi-2,2,6,6-tetrametil-lpiperidinoetanolo (LOWILITE 62 della Great Lakes); condensation product between butanodioc acid and 4-hydroxy-2,2,6,6-tetramethyl-lpiperidinoethanol (LOWILITE 62 from Great Lakes);
bis (2,2,6,6--tetrametl--4— piperidinil)sebacato (LOWILITE 77 della Great Lakes); bis (2,2,6,6 - tetramethl - 4 - piperidinyl) sebacate (LOWILITE 77 from Great Lakes);
poli [(6-[(1,1,3,3-tetrametìlbutil)ammìno]-1,3,-5-triazina-2,4-diil]-1,6-esanodiil [2,2,6,6-te— trametil-4-piperidinil)immino]] (CHIMASSORB 944 della Ciba); poly [(6 - [(1,1,3,3-tetramethylbutyl) amine] -1,3, -5-triazine-2,4-diyl] -1,6-hexanodiyl [2,2,6,6- te-tramethyl-4-piperidinyl) imino]] (CHIMASSORB 944 from Ciba);
tetrametil-tetra [(2,2,6,6-tetrametil)piperidi— nil-4)--3--ossipropil]ciclotetrasilossano (PRO-DOTTO 1). tetramethyl-tetra [(2,2,6,6-tetramethyl) piperides - nyl-4) - 3 - oxypropyl] cyclotetrasiloxane (PRO-DUCT 1).
Ciascuna miscela viene caricata in un estrusore Brabender monovite con diametro 19 mm, lunghezza circa 25 volte il diametro, munito di vite e di ugello di 2 mm. Each mixture is loaded into a Brabender single screw extruder with a diameter of 19 mm, length approximately 25 times the diameter, equipped with a screw and a 2 mm nozzle.
Le condizioni operative a cui si opera sono le seguenti : The operating conditions under which we operate are the following:
velocità della vite: 60 r.p.m.; screw speed: 60 r.p.m .;
temperatura dell'estrusore: 260°C. extruder temperature: 260 ° C.
Il prodotto esce dalla filiera sottoforma di uno "spaghetto" solido che, dopo raffreddamento con aria a temperatura ambiente, viene frammentato in granuli . The product leaves the chain in the form of a solid "spaghetti" which, after cooling with air at room temperature, is fragmented into granules.
I granuli di polimero ottenuti come sopra descritto, vengono nuovamente estrusi utilizzando un apparecchiatura Plasticizer operando ad una temperatura di 270°C ed ottenendo "tapes" aventi uno spessore di 40 μm. The polymer granules obtained as described above are again extruded using a Plasticizer equipment operating at a temperature of 270 ° C and obtaining "tapes" having a thickness of 40 μm.
I "tapes" ottenuti come sopra descritto vengono sottoposti ad invecchiamento accelerato utilizzando uno Xenotest 1200. The "tapes" obtained as described above are subjected to accelerated aging using a Xenotest 1200.
Le condizioni operative a cui si opera sono le seguenti: The operating conditions under which we operate are the following:
temperatura del pannello nero: 50°C; black panel temperature: 50 ° C;
umidità relativa: 50%. relative humidity: 50%.
Ad intervalli regolari alcuni "tapes" vengono rimossi dalla camera di invecchiamento e vengono sottoposti a trazione rilevandone il carico di rottura che, ovviamente, si riduce durante il periodo di esposizione in Xenotest. At regular intervals some "tapes" are removed from the aging chamber and are subjected to traction, detecting the breaking load which, obviously, is reduced during the exposure period in Xenotest.
Come criterio di valutazione delle proprietà degli additivi è stato preso il t 50% , cioè il tempo di esposizione dei "tapes" alle radiazioni in Xenotest necessario per avere una riduzione del 50% del carico di rottura originario. As a criterion for evaluating the properties of the additives, t 50% was taken, ie the exposure time of the "tapes" to radiation in Xenotest necessary to have a 50% reduction in the original breaking load.
Considerando che l'efficacia dell'additivo stabilizzante alla luce utilizzato, a parità di concentrazione, è in correlazione diretta con il t 50%, la Tabella 1 mostra che il PRODOTTO 1 secondo la presente invenzione in combinazione con il LOWILITE 62 è in grado di fornire una migliore stabilizzazione ai "tapes" di polipropilene. Considering that the effectiveness of the light stabilizing additive used, at the same concentration, is in direct correlation with t 50%, Table 1 shows that PRODUCT 1 according to the present invention in combination with LOWILITE 62 is able to provide better stabilization to the polypropylene tapes.
TABELLA 1 TABLE 1
*: % in peso sul peso del polimero; *:% by weight on the weight of the polymer;
(1), (2), (3) e (4); nelle miscele i due componenti vengono utilizzati in rapporto 1:1. (1), (2), (3) and (4); in the mixtures the two components are used in a 1: 1 ratio.
ESEMPIO 2 EXAMPLE 2
Resistenza alla luce di films di polipropilene contenenti carbonato di calcio. Lightfastness of polypropylene films containing calcium carbonate.
Operando come nell'Esempio 1 vengono prodotti films di polipropilene aventi 80 μm di spessore contenenti 1,5% in peso sul peso del polimero di carbonato di calcio e 0,4% in peso sul peso del polimero degli stabilizzanti alla luce riportati in Tabella 2. By operating as in Example 1, polypropylene films are produced having 80 μm thickness containing 1.5% by weight on the weight of the calcium carbonate polymer and 0.4% by weight on the weight of the polymer of the light stabilizers reported in Table 2 .
I films così ottenuti vengono sottoposti ad invecchiamento accelerato in un Atlas CI 65 Weatherometer (WOM) alle seguenti condizioni operative: The films thus obtained are subjected to accelerated aging in an Atlas CI 65 Weatherometer (WOM) under the following operating conditions:
temperatura del pannello nero: 63°C; irraggiamento: 0,40 W/m<2>; black panel temperature: 63 ° C; irradiation: 0.40 W / m <2>;
ciclo: 102'/18'. cycle: 102 '/ 18'.
Ad intervalli regolari di tempo i films vengono rimossi dalla camera di irraggiamento e sottoposti a prove di resistenza a rottura a trazione come descritto nell'Esempio 1 e viene calcolato il t 50%. At regular intervals of time the films are removed from the irradiation chamber and subjected to tensile strength tests as described in Example 1 and t 50% is calculated.
I risultati ottenuti vengono riportati in Tabella 2: anche in questo caso il PRODOTTO 1 in combinazione con il LOWILITE 62 è in grado di fornire i risultati migliori. The results obtained are reported in Table 2: also in this case the PRODUCT 1 in combination with the LOWILITE 62 is able to provide the best results.
TABELLA 2 TABLE 2
(1) e (2): nelle miscele i due componenti vengono utilizzati in rapporto 1:1. (1) and (2): in the mixtures the two components are used in a 1: 1 ratio.
ESEMPIO 3 EXAMPLE 3
Resistenza alla luce di fibre di polipropilene naturale. Lightfastness of natural polypropylene fibers.
Campioni di fibre di polipropilene naturale [fibra continua 18 denari per filamento (dpf)] contenenti i seguenti additivi: Natural polypropylene fiber samples [18 denier continuous fiber per filament (dpf)] containing the following additives:
calcio stearato: 0,05% in peso sul peso del polimero; calcium stearate: 0.05% by weight on the weight of the polymer;
bis (2,4-di-t-butilfenil)pentaeritritoldifosfito (ALKANOX P-24 della Great Lakes): 0,1% in peso sul peso del polimero; bis (2,4-di-t-butylphenyl) pentaerythritol diphosphite (ALKANOX P-24 from Great Lakes): 0.1% by weight on the weight of the polymer;
tris (3,5-di-t-butil-4-idrossibenzil)isocianurato (ANOX IC-14 della Great Lakes): 0,05% in peso sul peso del polimero; tris (3,5-di-t-butyl-4-hydroxybenzyl) isocyanurate (ANOX IC-14 from Great Lakes): 0.05% by weight on the weight of the polymer;
e 0,2% in peso sul peso del polimero degli stabilizzanti alla luce riportati in Tabella 3, vengono sottoposti ad invecchiamento accelerato in un Atlas CI 65 Weatherometer (WOM) alle stesse condizioni operative utililzzate nell'Esempio 2. Ad intervalli regolari di tempo le fibre vengono rimosse dalla camera di invecchiamento e vengono sottoposte a prove di resistenza a rottura a trazione. and 0.2% by weight on the weight of the polymer of the light stabilizers reported in Table 3, are subjected to accelerated aging in an Atlas CI 65 Weatherometer (WOM) under the same operating conditions used in Example 2. At regular intervals of time fibers are removed from the aging chamber and are subjected to tensile strength tests.
Come criterio di valutazione delle proprietà degli additivi è stato preso il t 50% , cioè il tempo di esposizione delle fibre alle radiazioni in WOM necessario per avere una riduzione del 50% del carico di rottura originario. As a criterion for evaluating the properties of the additives, t 50% was taken, that is the time of exposure of the fibers to radiation in WOM necessary to have a 50% reduction in the original breaking load.
I risultati ottenuti vengono riportati in Tabella 3. The results obtained are reported in Table 3.
In Tabella 3 vengono anche riportati i risultati relativi alla variazione dell'indice di giallo (YI), misurata con un colorìmetro Macbeth, dopo esposizione dei campioni per 56 ore a vapori di ossido di azoto prodotto attraverso la combustione di n-propano. Una minore variazione dell'indice di giallo è in correlazione con la migliore proprietà dell'additivo utilizzato. Table 3 also reports the results relating to the variation of the yellow index (YI), measured with a Macbeth colorimeter, after exposure of the samples for 56 hours to nitrogen oxide vapors produced through the combustion of n-propane. A smaller variation in the yellow index correlates with the better property of the additive used.
Anche in questo caso, il PRODOTTO 1 in combinazione con il LOWILITE 62 è in grado di fornire i risultati migliori. Again, PRODUCT 1 in combination with LOWILITE 62 is able to provide the best results.
TABELLA 3 TABLE 3
(1), (2) e (3): nelle miscele ì due componenti vengono utilizzati in rapporto 1:1. (1), (2) and (3): in the mixtures the two components are used in a 1: 1 ratio.
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