EP3867304A1 - Polyetherblockamid-poly(meth)acrylat-schäume - Google Patents
Polyetherblockamid-poly(meth)acrylat-schäumeInfo
- Publication number
- EP3867304A1 EP3867304A1 EP19787261.7A EP19787261A EP3867304A1 EP 3867304 A1 EP3867304 A1 EP 3867304A1 EP 19787261 A EP19787261 A EP 19787261A EP 3867304 A1 EP3867304 A1 EP 3867304A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- meth
- weight
- acrylate
- peba
- poly
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 229920000193 polymethacrylate Polymers 0.000 title claims abstract description 17
- 229920000570 polyether Polymers 0.000 title claims description 16
- 239000004721 Polyphenylene oxide Substances 0.000 title claims description 14
- 239000006260 foam Substances 0.000 title description 18
- 239000000203 mixture Substances 0.000 claims abstract description 72
- 229920002614 Polyether block amide Polymers 0.000 claims abstract description 52
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 claims abstract description 20
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical group COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 claims abstract description 15
- 150000001252 acrylic acid derivatives Chemical class 0.000 claims abstract description 9
- 239000000463 material Substances 0.000 claims abstract description 7
- 238000013016 damping Methods 0.000 claims abstract description 4
- 239000012774 insulation material Substances 0.000 claims abstract description 3
- 239000008187 granular material Substances 0.000 claims description 17
- 125000004432 carbon atom Chemical group C* 0.000 claims description 16
- 229920000642 polymer Polymers 0.000 claims description 16
- 230000001105 regulatory effect Effects 0.000 claims description 12
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 claims description 11
- 238000004519 manufacturing process Methods 0.000 claims description 10
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims description 9
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims description 8
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 8
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 claims description 7
- 229910052739 hydrogen Inorganic materials 0.000 claims description 7
- 239000001257 hydrogen Substances 0.000 claims description 7
- 238000000465 moulding Methods 0.000 claims description 7
- 239000004604 Blowing Agent Substances 0.000 claims description 6
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 5
- 239000006096 absorbing agent Substances 0.000 claims description 4
- 239000000975 dye Substances 0.000 claims description 4
- 238000001746 injection moulding Methods 0.000 claims description 4
- 238000002844 melting Methods 0.000 claims description 4
- 230000008018 melting Effects 0.000 claims description 4
- 125000000008 (C1-C10) alkyl group Chemical group 0.000 claims description 3
- 150000002431 hydrogen Chemical class 0.000 claims description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 2
- 239000004609 Impact Modifier Substances 0.000 claims description 2
- 239000012963 UV stabilizer Substances 0.000 claims description 2
- 239000003963 antioxidant agent Substances 0.000 claims description 2
- 150000005840 aryl radicals Chemical class 0.000 claims description 2
- 239000003086 colorant Substances 0.000 claims description 2
- 238000004132 cross linking Methods 0.000 claims description 2
- 239000003063 flame retardant Substances 0.000 claims description 2
- 239000011810 insulating material Substances 0.000 claims description 2
- 239000004611 light stabiliser Substances 0.000 claims description 2
- 239000000049 pigment Substances 0.000 claims description 2
- ARJOQCYCJMAIFR-UHFFFAOYSA-N prop-2-enoyl prop-2-enoate Chemical compound C=CC(=O)OC(=O)C=C ARJOQCYCJMAIFR-UHFFFAOYSA-N 0.000 claims description 2
- 239000012758 reinforcing additive Substances 0.000 claims description 2
- 239000003017 thermal stabilizer Substances 0.000 claims description 2
- 239000004480 active ingredient Substances 0.000 claims 1
- 125000000217 alkyl group Chemical group 0.000 claims 1
- 230000000845 anti-microbial effect Effects 0.000 claims 1
- HXHCOXPZCUFAJI-UHFFFAOYSA-N prop-2-enoic acid;styrene Chemical compound OC(=O)C=C.C=CC1=CC=CC=C1 HXHCOXPZCUFAJI-UHFFFAOYSA-N 0.000 claims 1
- -1 PA613 Polymers 0.000 description 19
- 210000004027 cell Anatomy 0.000 description 17
- 150000001875 compounds Chemical class 0.000 description 17
- 150000003254 radicals Chemical class 0.000 description 17
- 239000000178 monomer Substances 0.000 description 16
- 229920000728 polyester Polymers 0.000 description 16
- BAPJBEWLBFYGME-UHFFFAOYSA-N Methyl acrylate Chemical compound COC(=O)C=C BAPJBEWLBFYGME-UHFFFAOYSA-N 0.000 description 14
- 238000000034 method Methods 0.000 description 11
- 239000004952 Polyamide Substances 0.000 description 9
- 239000000155 melt Substances 0.000 description 9
- 229920002647 polyamide Polymers 0.000 description 9
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 7
- 229920001577 copolymer Polymers 0.000 description 7
- 238000009826 distribution Methods 0.000 description 7
- 238000005886 esterification reaction Methods 0.000 description 6
- 238000006116 polymerization reaction Methods 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- 238000012360 testing method Methods 0.000 description 6
- JIGUQPWFLRLWPJ-UHFFFAOYSA-N Ethyl acrylate Chemical compound CCOC(=O)C=C JIGUQPWFLRLWPJ-UHFFFAOYSA-N 0.000 description 5
- 150000001298 alcohols Chemical class 0.000 description 5
- 150000008064 anhydrides Chemical class 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 5
- 230000032050 esterification Effects 0.000 description 5
- 229920006099 Vestamid® Polymers 0.000 description 4
- 150000004985 diamines Chemical class 0.000 description 4
- 150000002009 diols Chemical class 0.000 description 4
- 150000002148 esters Chemical class 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 238000002347 injection Methods 0.000 description 4
- PNJWIWWMYCMZRO-UHFFFAOYSA-N pent‐4‐en‐2‐one Natural products CC(=O)CC=C PNJWIWWMYCMZRO-UHFFFAOYSA-N 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- PAPBSGBWRJIAAV-UHFFFAOYSA-N ε-Caprolactone Chemical compound O=C1CCCCCO1 PAPBSGBWRJIAAV-UHFFFAOYSA-N 0.000 description 4
- OEPOKWHJYJXUGD-UHFFFAOYSA-N 2-(3-phenylmethoxyphenyl)-1,3-thiazole-4-carbaldehyde Chemical compound O=CC1=CSC(C=2C=C(OCC=3C=CC=CC=3)C=CC=2)=N1 OEPOKWHJYJXUGD-UHFFFAOYSA-N 0.000 description 3
- OZJPLYNZGCXSJM-UHFFFAOYSA-N 5-valerolactone Chemical compound O=C1CCCCO1 OZJPLYNZGCXSJM-UHFFFAOYSA-N 0.000 description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 3
- GOOHAUXETOMSMM-UHFFFAOYSA-N Propylene oxide Chemical compound CC1CO1 GOOHAUXETOMSMM-UHFFFAOYSA-N 0.000 description 3
- AWMVMTVKBNGEAK-UHFFFAOYSA-N Styrene oxide Chemical compound C1OC1C1=CC=CC=C1 AWMVMTVKBNGEAK-UHFFFAOYSA-N 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- 239000000654 additive Substances 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 3
- DCUFMVPCXCSVNP-UHFFFAOYSA-N methacrylic anhydride Chemical group CC(=C)C(=O)OC(=O)C(C)=C DCUFMVPCXCSVNP-UHFFFAOYSA-N 0.000 description 3
- 150000002978 peroxides Chemical class 0.000 description 3
- 239000003505 polymerization initiator Substances 0.000 description 3
- 230000002829 reductive effect Effects 0.000 description 3
- 229920006395 saturated elastomer Polymers 0.000 description 3
- 125000003011 styrenyl group Chemical group [H]\C(*)=C(/[H])C1=C([H])C([H])=C([H])C([H])=C1[H] 0.000 description 3
- PUPZLCDOIYMWBV-UHFFFAOYSA-N (+/-)-1,3-Butanediol Chemical compound CC(O)CCO PUPZLCDOIYMWBV-UHFFFAOYSA-N 0.000 description 2
- HQOVXPHOJANJBR-UHFFFAOYSA-N 2,2-bis(tert-butylperoxy)butane Chemical compound CC(C)(C)OOC(C)(CC)OOC(C)(C)C HQOVXPHOJANJBR-UHFFFAOYSA-N 0.000 description 2
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 2
- JAHNSTQSQJOJLO-UHFFFAOYSA-N 2-(3-fluorophenyl)-1h-imidazole Chemical compound FC1=CC=CC(C=2NC=CN=2)=C1 JAHNSTQSQJOJLO-UHFFFAOYSA-N 0.000 description 2
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 2
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 2
- SOGAXMICEFXMKE-UHFFFAOYSA-N Butylmethacrylate Chemical compound CCCCOC(=O)C(C)=C SOGAXMICEFXMKE-UHFFFAOYSA-N 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 2
- 238000004566 IR spectroscopy Methods 0.000 description 2
- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical compound CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 description 2
- YIVJZNGAASQVEM-UHFFFAOYSA-N Lauroyl peroxide Chemical compound CCCCCCCCCCCC(=O)OOC(=O)CCCCCCCCCCC YIVJZNGAASQVEM-UHFFFAOYSA-N 0.000 description 2
- CERQOIWHTDAKMF-UHFFFAOYSA-M Methacrylate Chemical compound CC(=C)C([O-])=O CERQOIWHTDAKMF-UHFFFAOYSA-M 0.000 description 2
- WHNWPMSKXPGLAX-UHFFFAOYSA-N N-Vinyl-2-pyrrolidone Chemical compound C=CN1CCCC1=O WHNWPMSKXPGLAX-UHFFFAOYSA-N 0.000 description 2
- 229920000299 Nylon 12 Polymers 0.000 description 2
- 239000005062 Polybutadiene Substances 0.000 description 2
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 2
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 2
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 2
- 125000001931 aliphatic group Chemical group 0.000 description 2
- 125000005376 alkyl siloxane group Chemical group 0.000 description 2
- FFBHFFJDDLITSX-UHFFFAOYSA-N benzyl N-[2-hydroxy-4-(3-oxomorpholin-4-yl)phenyl]carbamate Chemical compound OC1=C(NC(=O)OCC2=CC=CC=C2)C=CC(=C1)N1CCOCC1=O FFBHFFJDDLITSX-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- WERYXYBDKMZEQL-UHFFFAOYSA-N butane-1,4-diol Chemical compound OCCCCO WERYXYBDKMZEQL-UHFFFAOYSA-N 0.000 description 2
- WQAQPCDUOCURKW-UHFFFAOYSA-N butanethiol Chemical compound CCCCS WQAQPCDUOCURKW-UHFFFAOYSA-N 0.000 description 2
- CQEYYJKEWSMYFG-UHFFFAOYSA-N butyl acrylate Chemical group CCCCOC(=O)C=C CQEYYJKEWSMYFG-UHFFFAOYSA-N 0.000 description 2
- 150000001735 carboxylic acids Chemical class 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- NEHMKBQYUWJMIP-UHFFFAOYSA-N chloromethane Chemical compound ClC NEHMKBQYUWJMIP-UHFFFAOYSA-N 0.000 description 2
- WNAHIZMDSQCWRP-UHFFFAOYSA-N dodecane-1-thiol Chemical compound CCCCCCCCCCCCS WNAHIZMDSQCWRP-UHFFFAOYSA-N 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- SUPCQIBBMFXVTL-UHFFFAOYSA-N ethyl 2-methylprop-2-enoate Chemical compound CCOC(=O)C(C)=C SUPCQIBBMFXVTL-UHFFFAOYSA-N 0.000 description 2
- 239000006261 foam material Substances 0.000 description 2
- 238000005187 foaming Methods 0.000 description 2
- 239000008240 homogeneous mixture Substances 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 238000006459 hydrosilylation reaction Methods 0.000 description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 2
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 2
- 239000011976 maleic acid Substances 0.000 description 2
- WCYWZMWISLQXQU-UHFFFAOYSA-N methyl Chemical compound [CH3] WCYWZMWISLQXQU-UHFFFAOYSA-N 0.000 description 2
- LVHBHZANLOWSRM-UHFFFAOYSA-N methylenebutanedioic acid Natural products OC(=O)CC(=C)C(O)=O LVHBHZANLOWSRM-UHFFFAOYSA-N 0.000 description 2
- 229920002857 polybutadiene Polymers 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000005060 rubber Substances 0.000 description 2
- 230000002269 spontaneous effect Effects 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- DGVVWUTYPXICAM-UHFFFAOYSA-N β‐Mercaptoethanol Chemical compound OCCS DGVVWUTYPXICAM-UHFFFAOYSA-N 0.000 description 2
- DNIAPMSPPWPWGF-VKHMYHEASA-N (+)-propylene glycol Chemical compound C[C@H](O)CO DNIAPMSPPWPWGF-VKHMYHEASA-N 0.000 description 1
- ABUIKOPEGIZINI-UHFFFAOYSA-N (1-ethylcyclohexyl) 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OC1(CC)CCCCC1 ABUIKOPEGIZINI-UHFFFAOYSA-N 0.000 description 1
- 125000006702 (C1-C18) alkyl group Chemical group 0.000 description 1
- 125000004178 (C1-C4) alkyl group Chemical group 0.000 description 1
- YPFDHNVEDLHUCE-UHFFFAOYSA-N 1,3-propanediol Substances OCCCO YPFDHNVEDLHUCE-UHFFFAOYSA-N 0.000 description 1
- PGRNEGLBSNLPNP-UHFFFAOYSA-N 1,6-dichloro-3-methylhex-1-ene Chemical compound ClC=CC(C)CCCCl PGRNEGLBSNLPNP-UHFFFAOYSA-N 0.000 description 1
- OZAIFHULBGXAKX-UHFFFAOYSA-N 2-(2-cyanopropan-2-yldiazenyl)-2-methylpropanenitrile Chemical compound N#CC(C)(C)N=NC(C)(C)C#N OZAIFHULBGXAKX-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- WYGWHHGCAGTUCH-UHFFFAOYSA-N 2-[(2-cyano-4-methylpentan-2-yl)diazenyl]-2,4-dimethylpentanenitrile Chemical compound CC(C)CC(C)(C#N)N=NC(C)(C#N)CC(C)C WYGWHHGCAGTUCH-UHFFFAOYSA-N 0.000 description 1
- OWHSTLLOZWTNTQ-UHFFFAOYSA-N 2-ethylhexyl 2-sulfanylacetate Chemical compound CCCCC(CC)COC(=O)CS OWHSTLLOZWTNTQ-UHFFFAOYSA-N 0.000 description 1
- RUMACXVDVNRZJZ-UHFFFAOYSA-N 2-methylpropyl 2-methylprop-2-enoate Chemical compound CC(C)COC(=O)C(C)=C RUMACXVDVNRZJZ-UHFFFAOYSA-N 0.000 description 1
- OSKVFHONCZMKCM-UHFFFAOYSA-N 4,6,6-trimethyloxepan-2-one Chemical compound CC1CC(=O)OCC(C)(C)C1 OSKVFHONCZMKCM-UHFFFAOYSA-N 0.000 description 1
- NQSLZEHVGKWKAY-UHFFFAOYSA-N 6-methylheptyl 2-methylprop-2-enoate Chemical compound CC(C)CCCCCOC(=O)C(C)=C NQSLZEHVGKWKAY-UHFFFAOYSA-N 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- OMPJBNCRMGITSC-UHFFFAOYSA-N Benzoylperoxide Chemical compound C=1C=CC=CC=1C(=O)OOC(=O)C1=CC=CC=C1 OMPJBNCRMGITSC-UHFFFAOYSA-N 0.000 description 1
- ZAKOWWREFLAJOT-CEFNRUSXSA-N D-alpha-tocopherylacetate Chemical compound CC(=O)OC1=C(C)C(C)=C2O[C@@](CCC[C@H](C)CCC[C@H](C)CCCC(C)C)(C)CCC2=C1C ZAKOWWREFLAJOT-CEFNRUSXSA-N 0.000 description 1
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical class S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- VQTUBCCKSQIDNK-UHFFFAOYSA-N Isobutene Chemical group CC(C)=C VQTUBCCKSQIDNK-UHFFFAOYSA-N 0.000 description 1
- 238000005481 NMR spectroscopy Methods 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 1
- QYKIQEUNHZKYBP-UHFFFAOYSA-N Vinyl ether Chemical compound C=COC=C QYKIQEUNHZKYBP-UHFFFAOYSA-N 0.000 description 1
- IAXXETNIOYFMLW-COPLHBTASA-N [(1s,3s,4s)-4,7,7-trimethyl-3-bicyclo[2.2.1]heptanyl] 2-methylprop-2-enoate Chemical compound C1C[C@]2(C)[C@@H](OC(=O)C(=C)C)C[C@H]1C2(C)C IAXXETNIOYFMLW-COPLHBTASA-N 0.000 description 1
- 238000007171 acid catalysis Methods 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 125000003158 alcohol group Chemical group 0.000 description 1
- 150000001350 alkyl halides Chemical class 0.000 description 1
- 125000002947 alkylene group Chemical group 0.000 description 1
- XYLMUPLGERFSHI-UHFFFAOYSA-N alpha-Methylstyrene Chemical compound CC(=C)C1=CC=CC=C1 XYLMUPLGERFSHI-UHFFFAOYSA-N 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- 239000004599 antimicrobial Substances 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 235000019400 benzoyl peroxide Nutrition 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229920001400 block copolymer Polymers 0.000 description 1
- 125000002843 carboxylic acid group Chemical group 0.000 description 1
- 210000002421 cell wall Anatomy 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- OIWOHHBRDFKZNC-UHFFFAOYSA-N cyclohexyl 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OC1CCCCC1 OIWOHHBRDFKZNC-UHFFFAOYSA-N 0.000 description 1
- GTBGXKPAKVYEKJ-UHFFFAOYSA-N decyl 2-methylprop-2-enoate Chemical compound CCCCCCCCCCOC(=O)C(C)=C GTBGXKPAKVYEKJ-UHFFFAOYSA-N 0.000 description 1
- 238000007872 degassing Methods 0.000 description 1
- 150000001991 dicarboxylic acids Chemical class 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 125000006575 electron-withdrawing group Chemical group 0.000 description 1
- 238000007720 emulsion polymerization reaction Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000006266 etherification reaction Methods 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 150000002191 fatty alcohols Chemical class 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000010528 free radical solution polymerization reaction Methods 0.000 description 1
- 238000005469 granulation Methods 0.000 description 1
- 230000003179 granulation Effects 0.000 description 1
- MDNFYIAABKQDML-UHFFFAOYSA-N heptyl 2-methylprop-2-enoate Chemical compound CCCCCCCOC(=O)C(C)=C MDNFYIAABKQDML-UHFFFAOYSA-N 0.000 description 1
- LNCPIMCVTKXXOY-UHFFFAOYSA-N hexyl 2-methylprop-2-enoate Chemical compound CCCCCCOC(=O)C(C)=C LNCPIMCVTKXXOY-UHFFFAOYSA-N 0.000 description 1
- 229920001519 homopolymer Polymers 0.000 description 1
- 238000005984 hydrogenation reaction Methods 0.000 description 1
- 125000001165 hydrophobic group Chemical group 0.000 description 1
- 150000003949 imides Chemical class 0.000 description 1
- 239000003999 initiator Substances 0.000 description 1
- 229940119545 isobornyl methacrylate Drugs 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 150000003951 lactams Chemical class 0.000 description 1
- 150000002596 lactones Chemical class 0.000 description 1
- 125000005395 methacrylic acid group Chemical group 0.000 description 1
- 229940050176 methyl chloride Drugs 0.000 description 1
- 125000002560 nitrile group Chemical group 0.000 description 1
- LKEDKQWWISEKSW-UHFFFAOYSA-N nonyl 2-methylprop-2-enoate Chemical compound CCCCCCCCCOC(=O)C(C)=C LKEDKQWWISEKSW-UHFFFAOYSA-N 0.000 description 1
- KCAMXZBMXVIIQN-UHFFFAOYSA-N octan-3-yl 2-methylprop-2-enoate Chemical compound CCCCCC(CC)OC(=O)C(C)=C KCAMXZBMXVIIQN-UHFFFAOYSA-N 0.000 description 1
- NZIDBRBFGPQCRY-UHFFFAOYSA-N octyl 2-methylprop-2-enoate Chemical compound CCCCCCCCOC(=O)C(C)=C NZIDBRBFGPQCRY-UHFFFAOYSA-N 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 description 1
- GYDSPAVLTMAXHT-UHFFFAOYSA-N pentyl 2-methylprop-2-enoate Chemical compound CCCCCOC(=O)C(C)=C GYDSPAVLTMAXHT-UHFFFAOYSA-N 0.000 description 1
- JRKICGRDRMAZLK-UHFFFAOYSA-L persulfate group Chemical group S(=O)(=O)([O-])OOS(=O)(=O)[O-] JRKICGRDRMAZLK-UHFFFAOYSA-L 0.000 description 1
- 238000000053 physical method Methods 0.000 description 1
- 229920000233 poly(alkylene oxides) Polymers 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 238000006068 polycondensation reaction Methods 0.000 description 1
- 229920000151 polyglycol Polymers 0.000 description 1
- 239000010695 polyglycol Substances 0.000 description 1
- 229920002959 polymer blend Polymers 0.000 description 1
- 230000000379 polymerizing effect Effects 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 229920000909 polytetrahydrofuran Polymers 0.000 description 1
- 229920000166 polytrimethylene carbonate Polymers 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- BOQSSGDQNWEFSX-UHFFFAOYSA-N propan-2-yl 2-methylprop-2-enoate Chemical compound CC(C)OC(=O)C(C)=C BOQSSGDQNWEFSX-UHFFFAOYSA-N 0.000 description 1
- NHARPDSAXCBDDR-UHFFFAOYSA-N propyl 2-methylprop-2-enoate Chemical compound CCCOC(=O)C(C)=C NHARPDSAXCBDDR-UHFFFAOYSA-N 0.000 description 1
- 238000010526 radical polymerization reaction Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000006722 reduction reaction Methods 0.000 description 1
- 238000006268 reductive amination reaction Methods 0.000 description 1
- 238000006578 reductive coupling reaction Methods 0.000 description 1
- 238000007142 ring opening reaction Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- HRZFUMHJMZEROT-UHFFFAOYSA-L sodium disulfite Chemical compound [Na+].[Na+].[O-]S(=O)S([O-])(=O)=O HRZFUMHJMZEROT-UHFFFAOYSA-L 0.000 description 1
- 235000010262 sodium metabisulphite Nutrition 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000001694 spray drying Methods 0.000 description 1
- 239000012899 standard injection Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000010557 suspension polymerization reaction Methods 0.000 description 1
- SJMYWORNLPSJQO-UHFFFAOYSA-N tert-butyl 2-methylprop-2-enoate Chemical compound CC(=C)C(=O)OC(C)(C)C SJMYWORNLPSJQO-UHFFFAOYSA-N 0.000 description 1
- VSJBBIJIXZVVLQ-UHFFFAOYSA-N tert-butyl 3,5,5-trimethylhexaneperoxoate Chemical compound CC(C)(C)CC(C)CC(=O)OOC(C)(C)C VSJBBIJIXZVVLQ-UHFFFAOYSA-N 0.000 description 1
- BWSZXUOMATYHHI-UHFFFAOYSA-N tert-butyl octaneperoxoate Chemical compound CCCCCCCC(=O)OOC(C)(C)C BWSZXUOMATYHHI-UHFFFAOYSA-N 0.000 description 1
- 150000003512 tertiary amines Chemical class 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 229930195735 unsaturated hydrocarbon Natural products 0.000 description 1
- 229920006305 unsaturated polyester Polymers 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
Classifications
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- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/001—Combinations of extrusion moulding with other shaping operations
- B29C48/0012—Combinations of extrusion moulding with other shaping operations combined with shaping by internal pressure generated in the material, e.g. foaming
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- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
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- C08F220/14—Methyl esters, e.g. methyl (meth)acrylate
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- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/52—Amides or imides
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- C08G69/40—Polyamides containing oxygen in the form of ether groups
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- C08L2203/14—Applications used for foams
Definitions
- the present invention relates to mixtures of a polyether block amide and poly (meth) acrylates, a foamed molded part of these mixtures, a process for the production of these molded parts and their use.
- Polymer foams are used on an industrial scale.
- Polyether block amides (PEBA) as a component in foam material are already known. However, if PEBA is foamed without additives, no stable foam is obtained: the foamed molded body collapses.
- PEBA Polyether block amides
- (Oligo) polyamides especially acid-controlled polyamides, can be obtained with alcohol- or amino-terminated polyethers. Acid-regulated polyamides have excess carboxylic acid groups.
- the expert calls the polyamide blocks as hard blocks and the polyester blocks as
- WO 2017/167197 discloses polymer mixtures which contain 20 to 99% of a thermoplastic and 1-80% foam particles made of poly (meth) acrylimide.
- DE 102014216992 describes processes for the production of expanded polymer pellets made of polyamide, such as PEBA, which can be used, for example, for the production of damping elements for sportswear.
- the density should be so low that a significant weight reduction in the component can be achieved.
- a soft foam should be obtained that shows a certain flexibility and rebounce or reset behavior.
- the foamed molding obtained should have a high mechanical strength and a high foam stability.
- the foam should have a homogeneous cell distribution and a uniform cell size.
- This problem could be solved by a mixture containing a PEBA and at least one poly (meth) acrylate, the mass ratio of PEBA to poly (meth) acrylate being 95: 5 to 60:40.
- the poly (meth) acrylate is selected from poly (meth) acrylimides, polyalkyl (meth) acrylates and mixtures thereof.
- PEBA can be obtained, for example, from the reaction of polyamides with polyethers such as polyether diols or polyether diamines.
- the production of PEBA is described, for example, in EP-A-1518901 (US 2005/014842).
- Suitable polyamides are, for example, PA6, PA11, PA12, PA613, PA1012, PA612, PA109, PA1013, PA1010 and PA69. They can be produced from lactams or co-aminocarboxylic acids or from the reaction of diamines with dicarboxylic acids.
- Suitable polyether diols are, for example, 1,4-butanediol, 1,3-butanediol, 1,3-propanediol, ethylene glycol or polytetrahydrofuran.
- Mixed polyether diol blocks with statistical or blockwise distribution can be used. They generally have a number average molecular weight of approximately 230 to 4000 g / mol.
- Suitable polyether diamines can be obtained by converting the corresponding polyether diols by reductive amination or coupling to acrylonitrile with subsequent hydrogenation (for example EP-A-0434244; EP-A-0296852). They generally have a number average molecular weight of approximately 230 to 4000 g / mol.
- Commercially available polyether diamines based on propylene glycol are commercially available as JEFFAMIN D types from Huntsman.
- the proportion of polyether in the PEBA is preferably 10 to 50% by weight, preferably 20 to 40% by weight, in each case based on the total weight of PEBA.
- Suitable PEBAs are known to the person skilled in the art and are commercially available, for example from Evonik Resource Efficiency GmbH, Marl, under the product name VESTAMID®.
- Suitable PEBAs can have, for example, a Shore hardness D of 30 to 70, preferably 35 to 65.
- the Shore hardness D is measured in accordance with ISO 868 at 23 ° C. ⁇ 2 ° C.
- the PEBA is amino-regulated. This therefore has a molar excess of amino end groups compared to carboxyl end groups.
- amino-regulated and “amino-terminated” are used synonymously.
- the amino-regulated PEBA preferably has an excess of 20 to 60 mmol of amino end groups per kg of PEBA, preferably 30 to 50 mmol / kg.
- the PEBA used according to the invention is carboxyl-controlled. This therefore has a molar excess of carboxyl end groups compared to amino end groups.
- carboxyl-regulated and “carboxyl-terminated” are used synonymously.
- the carboxyl-regulated PEBA preferably has an excess of 20 to 60 mmol of carboxyl end groups per kg of PEBA, preferably 30 to 50 mmol / kg.
- mixtures according to the invention also contain poly (meth) acrylates which
- Poly (meth) acrylimides, polyalkyl (meth) acrylates or mixtures thereof are used here.
- the notation (meth) acrylate here means both methacrylate, such as. As methyl methacrylate, ethyl methacrylate, etc., as well as acrylate, such as. B. methyl acrylate, ethyl acrylate, etc., and mixtures thereof.
- the spelling includes (meth) acrylate derivatives of acrylic acid and methacrylic acid in the broader sense, such as imides and amides.
- Poly (meth) acrylimides which are preferably used according to the invention preferably have recurring units which can be represented by formula (IV), wherein R 1 and R 2 are identical or different hydrogen or a methyl group and R 3 is hydrogen, an alkyl radical with 1 to 20 carbon atoms or an aryl radical with 2 to 20, preferably 4 to 15, particularly preferably 5 to 12, very particularly preferably 6 to 10 Mean carbon atoms.
- R 1 , R 2 and R 3 are each a methyl group is preferred.
- Preferred poly (meth) acrylimides include the following groups a) N-acrylic alkyl imide according to formula (IV), b) (meth) acrylic acid, c) (meth) acrylic anhydride, d) (meth) acrylate, where groups a) - d) each contain at least 1% by weight, based on the total weight of poly (meth) acrylimide.
- the poly (meth) acrylimide preferably contains 10-95% by weight, preferably 20-70% by weight and particularly preferably 25-40% by weight of N-acrylic alkylimide of the formula (IV).
- the sum of groups b) and c) is preferably in the range from 5 to 20% by weight, preferably in the range from 8 to 17% by weight and particularly preferably in the range from 10 to 15% by weight.
- the poly (meth) acrylimides can contain e) further monomers. Their proportion is usually ⁇ 10% by weight. The proportions relate to the total weight of poly (meth) acrylimide. They can be determined by means of NMR or IR spectroscopy.
- Typical molecular weights M w of the poly (meth) acrylimide are in the range from 50,000 to 150,000 g / mol and preferably from 90,000 to 110,000 g / mol (determined by GPC against PMMA standard).
- a suitable preferred poly (meth) acrylimide is poly (N-methyl) methacrylimide (PMMI).
- a poly (meth) acrylimide has 25-35% by weight of N-acrylic alkylimide of the formula (IV), in which the three radicals R 1 , R 2 and R 3 are each a methyl group, 1 to 5 % By weight of methacrylic acid groups, 5 to 20% by weight of methacrylic acid anhydride groups and 40 to 65% by weight of methyl methacrylate groups.
- these polymers can contain further monomer units which result, for example, from esters of acrylic or methacrylic acid, in particular with lower alcohols having 1-4 carbon atoms, styrene, maleic acid or their anhydride, itaconic acid or their anhydride, vinylpyrrolidone, vinyl chloride or vinylidene chloride .
- the proportion of the comonomers which are difficult or difficult to cyclize should not exceed 30% by weight, preferably 20% by weight and particularly preferably 10% by weight, based on the weight of the monomers.
- the polyalkyl (meth) acrylate can be used individually or as a mixture of several different ones
- Polyalkyl (meth) acrylates are used. Furthermore, the polyalkyl (meth) acrylate can also be in the form of a copolymer.
- homopolymers and copolymers of C1-C18-alkyl (meth) acrylates expediently of C1-C10-alkyl (meth) acrylates, in particular of C1-C4-alkyl (meth) acrylate polymers, which may still be thereof can contain different monomer units, particularly preferred.
- Polyalkyl (meth) acrylates used according to the invention contain 80% by weight to 99% by weight
- Particularly preferred C1-C10-acrylate units are methyl acrylate, ethyl acrylate and butyl acrylate units and their mixtures.
- copolymers which contain 70% by weight to 99% by weight, in particular 70% by weight to 90% by weight, of C1-C10-alkyl methacrylates, based on the total weight of copolymers, has become very particular proven.
- Preferred C1-C10 alkyl methacrylates include methyl methacrylate, ethyl methacrylate, propyl methacrylate, isopropyl methacrylate, n-butyl methacrylate, isobutyl methacrylate, tert-butyl methacrylate, pentyl methacrylate, hexyl methacrylate, heptyl methacrylate, octyl methacrylate,
- Cycloalkyl methacrylates such as cyclohexyl methacrylate, isobornyl methacrylate or
- Very particularly preferred copolymers comprise 70% by weight to 99% by weight of methyl methacrylate (MMA) units and 1% by weight to 20% by weight, preferably 1% by weight to 5% by weight, C1- C10 alkyl acrylate units, based on the total weight of copolymers, in particular methyl acrylate, ethyl acrylate and / or butyl acrylate units.
- MMA methyl methacrylate
- C1- C10 alkyl acrylate units based on the total weight of copolymers, in particular methyl acrylate, ethyl acrylate and / or butyl acrylate units.
- Another preferred comonomer is styrene.
- Polymethyl methacrylate is a particularly preferred polyalkyl (meth) acrylate.
- a proven polymethyl methacrylate contains 1% by weight - 18% by weight of methyl acrylate and 82% by weight - 99% by weight of methyl methacrylate, particularly preferably 2% by weight - 10% by weight of methyl acrylate and 90% by weight 98% by weight of methyl methacrylate and very particularly preferably 3% by weight - 6% by weight of methyl acrylate and 94% by weight - 97% by weight of methyl methacrylate, in each case based on the total weight
- Methacrylate and methyl methacrylate are preferably between 70,000 g / mol and 240,000 g / mol, particularly preferably between 80,000 g / mol and 220,000 g / mol and very particularly preferably between 90,000 g / mol and 200,000 g / mol.
- these polymers can contain further monomer units, which are composed, for example, of esters of acrylic or methacrylic acid, in particular with lower alcohols with 1 to 4 carbon atoms, maleic acid or its anhydride, itaconic acid or its anhydride, vinylpyrrolidone, vinyl chloride or vinylidene chloride.
- EEC electron withdrawing group
- Examples of systems with EEC functionality include molecules with a nitrile group or carboxylic acids and their esters.
- Monomers that cannot be cyclized, but vinylically polymerizable, are not included here; examples include a-methylstyrene, styrene, vinyl acetate, vinylpyrolidone, ethylene, propylene, vinyl chloride, vinylidene chloride, isoprene, butadiene, vinyl ether or isobutylene.
- Impact-modified polymers can also be used.
- a preferred one is
- impact-modified polymer has a core / shell structure or core / shell / shell structure.
- Polybutadiene-based cores which are grafted with one or two shells are particularly preferred.
- the shells can be selected from methyl methacrylate, methyl acrylate, ethyl (meth) acrylate, styrene, acrylonitrile and mixtures thereof.
- Such polymers are described by way of example in WO 2002/062890 A1.
- the polyalkyl (meth) acrylate can be prepared by polymerization processes known per se, radical polymerization processes, in particular substance, solution, suspension and emulsion polymerization processes, being particularly preferred.
- Initiators particularly suitable for these purposes include in particular azo compounds, such as 2,2'-azobis (isobutyronitrile) or 2,2'-azobis (2,4-dimethylvaleronitrile), redox systems, such as, for example, the combination of tertiary amines with peroxides or Sodium disulfite and persulfates of potassium, sodium or ammonium or preferably peroxides (see, for example, H. Rauch-Puntigam, Th. Völker, "Acryl- und
- Dicyclohexyl peroxidicarbonate, dibenzoyl peroxide and 2,2-bis (tert-butylperoxy) butane can also be preferably carried out using a mixture of different polymerization initiators
- the amounts of polymerization initiator used are generally from 0.01% by weight to 2% by weight, based on the monomer mixture.
- the polymerization can be carried out either continuously or in batches. After polymerization, the polymer is removed via conventional isolation and separation steps such as e.g. B. Filtration, coagulation, spray drying or degassing extrusion. In the case of plate polymers (substance), there is generally no further processing in the above sense.
- the chain lengths of the polymers or copolymers can be adjusted by polymerizing the monomer or monomer mixture in the presence of molecular weight regulators, such as, in particular, the mercaptans known therefor, such as, for example, n-butyl mercaptan, n-dodecyl mercaptan, 2-mercaptoethanol or 2-ethylhexylthioglycolate, pentaerythritol tetrathi; the molecular weight regulators generally in amounts of 0.05% by weight to 5% by weight, based on the monomer or monomer mixture, preferably in amounts of 0.1% by weight to 2% by weight and particularly preferably in amounts from 0.2% by weight to 1% by weight, based on the monomer or
- molecular weight regulators such as, in particular, the mercaptans known therefor, such as, for example, n-butyl mercaptan, n-dodecyl mercaptan, 2-mer
- Monomer mixture can be used (see, for example, H. Rauch-Puntigam, Th. Völker, "Acryl- und Methacryltagen", Springer, Heidelberg, 1967; Houben-Weyl, Methods of Organic Chemistry, Vol. XIV / 1, page 66, Georg Thieme, Heidelberg, 1961 or Kirk-Othmer, Encyclopedia of Chemical Technology, Vol. 1, pages 296ff, J. Wiley, New York, 1978). Is particularly preferred as
- the mixture according to the invention preferably contains at least one compound of the formula (I)
- R independently of one another is an alkyl radical having 1 to 11, preferably 1 to 4 carbon atoms, preferably a methyl radical,
- R 1 independently of one another is R or a polyester radical
- R 2 independently of one another is R or a hydrocarbon radical having 12 to 36 carbon atoms, preferably 14 to 30 carbon atoms, preferably 16 to 26 carbon atoms, n, m and p independently of one another from 0 to 58,
- N n + m + p + 2 is from 10 to 100, preferably 15 to 60
- polyester siloxanes or alkyl siloxanes are examples of polyester siloxanes or alkyl siloxanes.
- indices used in the formulas are to be regarded as statistical averages (number averages).
- radicals R 1 are polyester radicals, they are preferably composed of 3 to 30, preferably 8 to 25 and particularly preferably 15 to 22 ester units.
- the polyester residues can have those alcohol residues which are derived from primary unsaturated alcohols (see production process).
- the polyester residues preferably have a structure according to formula (II):
- y 2 to 10, preferably 3 to 8 and preferably 4 or 5.
- Z 3 to 30, preferably from 8 to 25 and particularly preferably from 15 to 22.
- polyester residues can be made up of the same or different starting molecules.
- the polyester residues are preferably built up from the same starting molecules. Preferred
- Polyester residues are those which are obtained by, preferably ring-opening, (poly) esterification of lactones.
- the polyester radicals are particularly preferred those which are obtained by (poly) esterification of caprolactone or valerolactone, in particular of e-caprolactone, 3,5,5-trimethyl-caprolactone or o-valerolactone and particularly preferably of e-caprolactone.
- Preferred compounds of the formula (I) in which R 1 are polyester radicals are those in which the polyester radical is composed of 3 to 30, preferably 8 to 25 and particularly preferably 15 to 22 e-caprolactone units.
- the R1 radicals are preferably identical polyester radicals.
- R 1 radicals are all R, with R preferably a methyl radical, R 2 is preferably a
- Hydrocarbon radical with 12 to 36 carbon atoms preferably from 14 to 30 carbon atoms, preferably from 16 to 26 carbon atoms, then N is preferably greater than or equal to 30, preferably from 40 to 50.
- p in the case mentioned is preferably 0 and m is preferably from 30 to 48.
- N is preferably 10 to 45, preferably 18 to 35 and particularly preferably 20 to 30.
- Suitable compounds of formula (I) are e.g. TEGOMER® H-Si 6440 P and TEGOPREN 6846, which can be obtained from Evonik.
- the compounds of the formula (I) can be obtained by the known processes by reacting corresponding hydrogen siloxanes with unsaturated hydrocarbons or unsaturated alcohols and subsequent (poly) esterification or by directly reacting unsaturated polyesters with hydrogen siloxanes. As described in EP 1 640 418, the reaction can be carried out by hydrosilylation or by dehydrogenative hydrosilylation.
- polyester residues containing polysiloxanes can e.g. B. EP 0 208 734.
- the at least one compound of the formula (I) is preferably in a proportion of 0.1 to 10% by weight, based on the total weight of the homogeneous mixture (including the at least one compound of the formula (I) and the at least one compound of the formula (II)) included.
- the proportion of polyester siloxanes is preferably in the range from 0.5 to 8% by weight, particularly preferably in the range from 0.9 to 5% by weight.
- the proportion of alkylsiloxanes is preferably in the range from 0.4 to 9% by weight, particularly preferably in the range from 0.9 to 6% by weight.
- the inventive mixture is preferably at least one compound of formula (III) R 3 0 (S0) a (E0) b (P0) c (B0) d R 4 (III) wherein
- R 3 a straight-chain or branched or cycloaliphatic radical having 2 to 30 carbon atoms
- R 4 hydrogen, an acyl radical, alkyl radical or carboxylic acid radical, each with 1 to 8 carbon atoms,
- phase transfer reagent included as a phase transfer reagent. It is styrene oxide polyether.
- the various alkylene oxide monomers and their share in the total polymer allow the hydrophobicity / hydrophilicity balance to be specifically controlled. Blocks are particularly preferred
- fatty alcohol polyglycol ethers are substances which, on an industrial scale, primarily by addition of ethylene oxide and / or propylene oxide in the presence of acidic or basic catalysts corresponding to the prior art, preferably under pressure and elevated pressure
- the products may have a more or less narrow homolog distribution.
- the hydroxyl-terminated polyalkylene oxides formed in this way can also be esterified with carboxylic acids and / or their anhydrides in order to achieve closure of the OH group.
- the esterification reaction can be carried out using aliphatic or aromatic carboxylic acids which have 2 to 18 carbon atoms.
- the esterification can be carried out in a manner known per se with acid catalysis.
- etherification can also be chosen as the end group closing reaction.
- the compounds are reacted with aromatic or aliphatic, straight-chain or branched alkyl halides under the conditions of William's ether synthesis, corresponding to the prior art.
- the reaction with methyl chloride is particularly preferred. In this way, the hydroxyl end groups can be partially or completely etherified.
- the at least one compound of the formula (III) is preferably in a proportion of 0.1 to 20% by weight, based on the total weight of the homogeneous mixture (including the at least one compound of the formula (I) and the at least one compound of the formula (III)) included.
- the proportion of styrene oxide polyether is preferably in the range from 0.9 to 15% by weight, particularly preferably in the range from 2 to 12% by weight.
- the mixture according to the invention can contain both at least one compound of the formula (I) and at least one compound of the formula (III).
- mixtures according to the invention preferably contain additives such as colorants such as pigments or dyes, in particular organic dyes. Mixtures according to the invention can also be used
- UV stabilizers UV stabilizers, UV absorbers, IR absorbers, antimicrobial agents,
- Contain flame retardants Contain flame retardants, thermal stabilizers, antioxidants, crosslinking polymers, fiber-reinforcing additives of organic or inorganic type, impact modifiers and their mixtures.
- Preferred in the mixtures according to the invention are not more than 10% by weight, particularly preferably not more than 5% by weight and in particular not more than 2% by weight of auxiliaries and fillers, in each case based on the total weight of the mixture and Additive included.
- the invention further relates to foamed moldings which can be obtained from the mixture according to the invention.
- the molded parts preferably have a density of at most 350 kg / m 3 , preferably at most 130 kg / m 3 .
- a method 1 for producing a foamed molded part according to the invention comprises the steps a. Melting a mixture according to the invention,
- Process 1 can be carried out, for example, as follows: Granules of PEBA and poly (meth) acrylate are mixed as dry premixes or individually using gravimetric or volumetric weighers in a compounder preheated to the appropriate temperature (e.g.
- the granulate is heated to a melt in the corresponding screw at the appropriate speed.
- the compounder the
- melt heated to a melt at a suitable screw speed.
- the melt is pressed into melt strands through a die plate.
- These strands of melt can be cooled in a water bath, for example to room temperature.
- the cooled and hardened strands are cut into granules in a strand pelletizer. Alternatively, you can use
- Underwater granulation (e.g. available from Econ, BKG, Gala) can be cut into granules and cooled.
- the resulting granulate is dried in dry air dryers for several hours at, for example, 50 to 95 ° C. to a reduced water content, for example 0.001 to 0.1%.
- the dried granules are processed, for example, on an injection molding machine multi-zone screw at a cylinder temperature of 150 to 300 ° C to plates. The injection mold is then cooled. Cube-shaped test specimens can be sawn from the resulting injection molded plates.
- test specimens can then in a standard autoclave over a period of several hours with CO2 at a pressure of 100 to 400 bar and a temperature of 80 to 180 ° C, preferably 145 to 180 ° C, particularly preferably 150 to 170 ° C. CO2 saturated.
- mixtures with an amino-regulated PEBA can be foamed at somewhat lower temperatures than mixtures with a carboxyl-regulated PEBA. This leads to lower energy consumption and allows processing of comparatively heat-sensitive components.
- mixtures with an amino-regulated PEBA in an autoclave are preferably made with CO2 at a pressure of 100 to 400 bar and a temperature of 80 to
- 180 ° C preferably 130 to 180 ° C, particularly preferably 140 to 170 ° C saturated with CO2.
- the saturation temperature can also be higher because that
- Polymer granules must be melted. The foaming then takes place with spontaneous pressure relief.
- Another method 2 according to the invention comprises the steps
- a physical blowing agent is applied to the molten mixture and the molten mixture is extruded using a perforated plate or suitable nozzles to obtain a foamed one
- Process 2 can be carried out, for example, as follows: Granules made of PEBA and poly (meth) acrylate are mixed as dry premix or individually using gravimetric or volumetric weighers in a compounder preheated to the appropriate temperature (e.g.
- the granulate is heated to a melt in the corresponding screw at the appropriate speed.
- the blowing agent e.g. CO2 is added to the melt and distributed there.
- the melt is cooled in a second screw, including because the blowing agent has a viscosity-reducing effect.
- the nozzle plate here is e.g. a
- the melt will expand (foam) spontaneously as it exits and cool to a foamed extrudate.
- the foamed extrudate can be drawn off and cooled either with the aid of a calender as a sheet or with the aid of other continuous take-off devices (known from profile extrusion). After a successful cooling process, the foamed extrudate is cut to the desired length.
- Process 2 is a continuous process and is therefore preferred over process 1.
- the foamed component can be used as a shoe sole, cleat material, insulating material, insulation material,
- Damping component lightweight component or used in a sandwich structure.
- Dry premixes containing PEBA and poly (meth) acrylate were produced from granules. These mixtures were gravimetric dosing scales in the preheated to 240 ° C.
- a standard screw such as e.g. for the production of
- Test specimens were saturated with CO2 in a standard autoclave over a period of 4.5 h (small test specimen) or 95 h (large test specimen) with CO2 at a pressure of 300 bar and a temperature of 140 ° C. The foaming was carried out under spontaneous pressure relief.
- PEBA 1 amino-terminated PEBA containing 30% by weight of polyether blocks (VESTAMID® E58-S4)
- PEBA 2 carboxyl-terminated PEBA containing 20% by weight of polyether blocks (VESTAMID® E62-S3)
- (Meth) acrylate 1 polymethyl methacrylimide, as described in EP 1 755 890 B1, with a
- Molecular weight of 100000 g / mol (determined by GPC against PMMA standard), consisting of 30% by weight of units of the formula IV, where R 1 , R 2 and R 3 are each a methyl group, and 57% by weight of methyl methacrylate ( MMA) units, from 10% by weight methacrylic anhydride (MSA) units and from 3% by weight methacrylic acid (MAS) units (determined by IR spectroscopy).
- (Meth) acrylate 2 impact-modified poly (meth) acrylate, with a molecular weight of 200,000 g / mol (determined by GPC against PMMA standard), consisting of 55% by weight of methyl methacrylate (MMA) units, 20% by weight Styrene units, 2% by weight of ethyl acrylate (EA) units and 23% by weight
- MMA methyl methacrylate
- EA ethyl acrylate
- the rubber is polybutadiene, grafted with a shell made of MMA and styrene units and an effective diameter for impact strength (corresponds to an average agglomerate diameter) of 300 nm (determined by transmission electron microscope).
- (Meth) acrylate 3 impact-modified poly (meth) acrylates, such as (meth) acrylate 2, here with a
- PA12 carboxyl-terminated polyamide 12 (VESTAMID® L1901)
- Table 1 Compositions used # 1 to # 9.
- Nceii number of cells per cm 3
- Dr change in density compared to non-foamed material
- Foam quality Optical evaluation of the foams was carried out using microscopic images with different resolutions. Microscopic images from Examples 1 to 9 are shown in Figures 1 to 9.
- the foams of the compositions # 2 to 5 and # 7 and # 8 according to the invention showed a high cell diameter dceii of 21 to 25 gm and a reduced number of cells per cubic centimeter Nceii compared to the compositions of the prior art.
- the density ranged from 90 to 260 kg / cm 3 and could be reduced by 76% to 91% compared to the starting material.
- foams of the composition according to the invention show a homogeneous cell distribution with cells of approximately the same size (cf. FIGS. 2 to 5, 7 and 8).
- the diameter and the number of cells could not be determined.
- the foam of Mix # 9 collapsed.
- the foam structures had an inhomogeneous cell distribution with cells of different sizes (see FIGS. 1, 6 and 9).
- Compositions 1 not according to the invention (PEBA content 99% by weight), # 6 (polyamide 12 instead of PEBA) and # 9 (PEBA without acrylate) proved to be unsuitable foam materials.
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- Manufacturing & Machinery (AREA)
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Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP18200738.5A EP3640287A1 (de) | 2018-10-16 | 2018-10-16 | Polyetherblockamid-poly(meth)acrylat-schäume |
PCT/EP2019/078086 WO2020079081A1 (de) | 2018-10-16 | 2019-10-16 | Polyetherblockamid-poly(meth)acrylat-schäume |
Publications (1)
Publication Number | Publication Date |
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EP3867304A1 true EP3867304A1 (de) | 2021-08-25 |
Family
ID=63878416
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
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EP18200738.5A Pending EP3640287A1 (de) | 2018-10-16 | 2018-10-16 | Polyetherblockamid-poly(meth)acrylat-schäume |
EP19783078.9A Active EP3688080B1 (de) | 2018-10-16 | 2019-10-11 | Polyetherblockamid-poly(meth)acrylat-schäume |
EP19787261.7A Pending EP3867304A1 (de) | 2018-10-16 | 2019-10-16 | Polyetherblockamid-poly(meth)acrylat-schäume |
Family Applications Before (2)
Application Number | Title | Priority Date | Filing Date |
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EP18200738.5A Pending EP3640287A1 (de) | 2018-10-16 | 2018-10-16 | Polyetherblockamid-poly(meth)acrylat-schäume |
EP19783078.9A Active EP3688080B1 (de) | 2018-10-16 | 2019-10-11 | Polyetherblockamid-poly(meth)acrylat-schäume |
Country Status (7)
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US (2) | US20210371651A1 (de) |
EP (3) | EP3640287A1 (de) |
JP (2) | JP7438206B2 (de) |
KR (2) | KR102541676B1 (de) |
CN (3) | CN113330059B (de) |
MX (2) | MX2021004072A (de) |
WO (2) | WO2020078856A1 (de) |
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WO2023082250A1 (en) * | 2021-11-15 | 2023-05-19 | Evonik Operations Gmbh | Foamed article and method for preparing the same |
WO2023139194A1 (en) | 2022-01-24 | 2023-07-27 | Röhm Gmbh | Polymer foams based on blends of poly(vinylidene fluoride) and poly(meth)acrylimide |
WO2023139195A1 (en) | 2022-01-24 | 2023-07-27 | Röhm Gmbh | Polymer foams based on poly(meth)acrylimide |
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-
2018
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2019
- 2019-10-11 KR KR1020217014372A patent/KR102541676B1/ko active IP Right Grant
- 2019-10-11 WO PCT/EP2019/077636 patent/WO2020078856A1/de unknown
- 2019-10-11 EP EP19783078.9A patent/EP3688080B1/de active Active
- 2019-10-11 US US17/285,373 patent/US20210371651A1/en active Pending
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- 2019-10-11 JP JP2021520994A patent/JP7438206B2/ja active Active
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- 2019-10-16 US US17/285,354 patent/US20220363901A1/en active Pending
- 2019-10-16 CN CN201980068004.4A patent/CN112867755B/zh active Active
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KR20210076083A (ko) | 2021-06-23 |
JP7431818B2 (ja) | 2024-02-15 |
KR102541676B1 (ko) | 2023-06-13 |
CN112867755B (zh) | 2024-01-02 |
JP7438206B2 (ja) | 2024-02-26 |
JP2022502555A (ja) | 2022-01-11 |
CN117683341A (zh) | 2024-03-12 |
EP3688080A1 (de) | 2020-08-05 |
EP3688080B1 (de) | 2020-11-18 |
WO2020078856A1 (de) | 2020-04-23 |
JP2022505089A (ja) | 2022-01-14 |
KR20210076950A (ko) | 2021-06-24 |
CN112867755A (zh) | 2021-05-28 |
US20210371651A1 (en) | 2021-12-02 |
WO2020079081A1 (de) | 2020-04-23 |
MX2021004072A (es) | 2021-06-04 |
EP3640287A1 (de) | 2020-04-22 |
CN113330059B (zh) | 2022-11-08 |
US20220363901A1 (en) | 2022-11-17 |
KR102606397B1 (ko) | 2023-11-27 |
MX2021004066A (es) | 2021-06-04 |
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