EP0628085A1 - Verwendung von umsetzungsprodukten von homo- oder copolymerisaten auf basis monoethylenisch ungesättigter dicarbonsäureanhydride mit aminen oder alkoholen zum fetten und füllen von leder und pelzfellen. - Google Patents
Verwendung von umsetzungsprodukten von homo- oder copolymerisaten auf basis monoethylenisch ungesättigter dicarbonsäureanhydride mit aminen oder alkoholen zum fetten und füllen von leder und pelzfellen.Info
- Publication number
- EP0628085A1 EP0628085A1 EP93903970A EP93903970A EP0628085A1 EP 0628085 A1 EP0628085 A1 EP 0628085A1 EP 93903970 A EP93903970 A EP 93903970A EP 93903970 A EP93903970 A EP 93903970A EP 0628085 A1 EP0628085 A1 EP 0628085A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- mol
- monoethylenically unsaturated
- reaction products
- alcohols
- unsaturated dicarboxylic
- 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.)
- Granted
Links
- 239000007795 chemical reaction product Substances 0.000 title claims abstract description 30
- 150000001298 alcohols Chemical class 0.000 title claims abstract description 27
- 150000001412 amines Chemical class 0.000 title claims abstract description 26
- 150000001990 dicarboxylic acid derivatives Chemical class 0.000 title description 2
- 238000009963 fulling Methods 0.000 title 1
- 239000000203 mixture Substances 0.000 claims abstract description 23
- 125000004432 carbon atom Chemical group C* 0.000 claims abstract description 19
- 150000001991 dicarboxylic acids Chemical class 0.000 claims abstract description 19
- 150000001735 carboxylic acids Chemical class 0.000 claims abstract description 11
- 229920002554 vinyl polymer Polymers 0.000 claims abstract description 11
- 229920001567 vinyl ester resin Polymers 0.000 claims abstract description 10
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims abstract description 8
- 238000006116 polymerization reaction Methods 0.000 claims abstract description 8
- 150000001336 alkenes Chemical class 0.000 claims abstract description 7
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 claims abstract description 7
- 239000010985 leather Substances 0.000 claims description 44
- 229920000642 polymer Polymers 0.000 claims description 32
- 229920001577 copolymer Polymers 0.000 claims description 24
- 239000000178 monomer Substances 0.000 claims description 18
- 229910052739 hydrogen Inorganic materials 0.000 claims description 17
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 claims description 17
- 239000001257 hydrogen Substances 0.000 claims description 16
- 238000002360 preparation method Methods 0.000 claims description 15
- 239000000047 product Substances 0.000 claims description 15
- 238000011049 filling Methods 0.000 claims description 13
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 claims description 13
- 239000003795 chemical substances by application Substances 0.000 claims description 11
- 229920001519 homopolymer Polymers 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 8
- 150000008064 anhydrides Chemical class 0.000 claims description 7
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 6
- 125000003342 alkenyl group Chemical group 0.000 claims description 3
- 125000000753 cycloalkyl group Chemical group 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 2
- 125000004435 hydrogen atom Chemical class [H]* 0.000 claims 6
- 238000004519 manufacturing process Methods 0.000 claims 3
- 125000004429 atom Chemical group 0.000 claims 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 abstract 1
- 229910052760 oxygen Inorganic materials 0.000 abstract 1
- 239000001301 oxygen Substances 0.000 abstract 1
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 21
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 10
- 239000000243 solution Substances 0.000 description 10
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 9
- 239000006185 dispersion Substances 0.000 description 9
- -1 ethylene, propylene, 1-butene Chemical class 0.000 description 9
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 8
- HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Inorganic materials [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 8
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- 150000003254 radicals Chemical class 0.000 description 7
- 239000002904 solvent Substances 0.000 description 7
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- PAYRUJLWNCNPSJ-UHFFFAOYSA-N Aniline Chemical compound NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 description 6
- VQTUBCCKSQIDNK-UHFFFAOYSA-N Isobutene Chemical compound CC(C)=C VQTUBCCKSQIDNK-UHFFFAOYSA-N 0.000 description 6
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 6
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 6
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 6
- 238000009835 boiling Methods 0.000 description 6
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 description 6
- 239000003995 emulsifying agent Substances 0.000 description 5
- 239000000725 suspension Substances 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 4
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 4
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 235000019253 formic acid Nutrition 0.000 description 4
- 150000002431 hydrogen Chemical class 0.000 description 4
- 239000003960 organic solvent Substances 0.000 description 4
- JOXIMZWYDAKGHI-UHFFFAOYSA-N toluene-4-sulfonic acid Chemical compound CC1=CC=C(S(O)(=O)=O)C=C1 JOXIMZWYDAKGHI-UHFFFAOYSA-N 0.000 description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 3
- 125000000129 anionic group Chemical group 0.000 description 3
- 239000002585 base Substances 0.000 description 3
- 239000003760 tallow Substances 0.000 description 3
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 3
- MYRTYDVEIRVNKP-UHFFFAOYSA-N 1,2-Divinylbenzene Chemical compound C=CC1=CC=CC=C1C=C MYRTYDVEIRVNKP-UHFFFAOYSA-N 0.000 description 2
- CRSBERNSMYQZNG-UHFFFAOYSA-N 1-dodecene Chemical compound CCCCCCCCCCC=C CRSBERNSMYQZNG-UHFFFAOYSA-N 0.000 description 2
- GQEZCXVZFLOKMC-UHFFFAOYSA-N 1-hexadecene Chemical compound CCCCCCCCCCCCCCC=C GQEZCXVZFLOKMC-UHFFFAOYSA-N 0.000 description 2
- LIKMAJRDDDTEIG-UHFFFAOYSA-N 1-hexene Chemical compound CCCCC=C LIKMAJRDDDTEIG-UHFFFAOYSA-N 0.000 description 2
- RYPKRALMXUUNKS-UHFFFAOYSA-N 2-Hexene Natural products CCCC=CC RYPKRALMXUUNKS-UHFFFAOYSA-N 0.000 description 2
- YIWUKEYIRIRTPP-UHFFFAOYSA-N 2-ethylhexan-1-ol Chemical compound CCCCC(CC)CO YIWUKEYIRIRTPP-UHFFFAOYSA-N 0.000 description 2
- AYKYXWQEBUNJCN-UHFFFAOYSA-N 3-methylfuran-2,5-dione Chemical compound CC1=CC(=O)OC1=O AYKYXWQEBUNJCN-UHFFFAOYSA-N 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 2
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 2
- YNQLUTRBYVCPMQ-UHFFFAOYSA-N Ethylbenzene Chemical compound CCC1=CC=CC=C1 YNQLUTRBYVCPMQ-UHFFFAOYSA-N 0.000 description 2
- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical compound CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 description 2
- 239000004435 Oxo alcohol Substances 0.000 description 2
- QYKIQEUNHZKYBP-UHFFFAOYSA-N Vinyl ether Chemical compound C=COC=C QYKIQEUNHZKYBP-UHFFFAOYSA-N 0.000 description 2
- 125000002947 alkylene group Chemical group 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- IAQRGUVFOMOMEM-UHFFFAOYSA-N but-2-ene Chemical compound CC=CC IAQRGUVFOMOMEM-UHFFFAOYSA-N 0.000 description 2
- KBPLFHHGFOOTCA-UHFFFAOYSA-N caprylic alcohol Natural products CCCCCCCCO KBPLFHHGFOOTCA-UHFFFAOYSA-N 0.000 description 2
- RWGFKTVRMDUZSP-UHFFFAOYSA-N cumene Chemical compound CC(C)C1=CC=CC=C1 RWGFKTVRMDUZSP-UHFFFAOYSA-N 0.000 description 2
- PAFZNILMFXTMIY-UHFFFAOYSA-N cyclohexylamine Chemical compound NC1CCCCC1 PAFZNILMFXTMIY-UHFFFAOYSA-N 0.000 description 2
- MWKFXSUHUHTGQN-UHFFFAOYSA-N decan-1-ol Chemical compound CCCCCCCCCCO MWKFXSUHUHTGQN-UHFFFAOYSA-N 0.000 description 2
- LSXWFXONGKSEMY-UHFFFAOYSA-N di-tert-butyl peroxide Chemical compound CC(C)(C)OOC(C)(C)C LSXWFXONGKSEMY-UHFFFAOYSA-N 0.000 description 2
- LQZZUXJYWNFBMV-UHFFFAOYSA-N dodecan-1-ol Chemical compound CCCCCCCCCCCCO LQZZUXJYWNFBMV-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- FJKIXWOMBXYWOQ-UHFFFAOYSA-N ethenoxyethane Chemical compound CCOC=C FJKIXWOMBXYWOQ-UHFFFAOYSA-N 0.000 description 2
- LYCAIKOWRPUZTN-UHFFFAOYSA-N ethylene glycol Natural products OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 2
- 150000002191 fatty alcohols Chemical class 0.000 description 2
- ZSIAUFGUXNUGDI-UHFFFAOYSA-N hexan-1-ol Chemical compound CCCCCCO ZSIAUFGUXNUGDI-UHFFFAOYSA-N 0.000 description 2
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 150000005673 monoalkenes Chemical class 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- ZWRUINPWMLAQRD-UHFFFAOYSA-N nonan-1-ol Chemical compound CCCCCCCCCO ZWRUINPWMLAQRD-UHFFFAOYSA-N 0.000 description 2
- CCCMONHAUSKTEQ-UHFFFAOYSA-N octadec-1-ene Chemical compound CCCCCCCCCCCCCCCCC=C CCCMONHAUSKTEQ-UHFFFAOYSA-N 0.000 description 2
- GLDOVTGHNKAZLK-UHFFFAOYSA-N octadecan-1-ol Chemical compound CCCCCCCCCCCCCCCCCCO GLDOVTGHNKAZLK-UHFFFAOYSA-N 0.000 description 2
- YWAKXRMUMFPDSH-UHFFFAOYSA-N pentene Chemical compound CCCC=C YWAKXRMUMFPDSH-UHFFFAOYSA-N 0.000 description 2
- QMMOXUPEWRXHJS-UHFFFAOYSA-N pentene-2 Natural products CCC=CC QMMOXUPEWRXHJS-UHFFFAOYSA-N 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 2
- 229920001223 polyethylene glycol Polymers 0.000 description 2
- 229920000909 polytetrahydrofuran Polymers 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 150000003138 primary alcohols Chemical class 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 239000005871 repellent Substances 0.000 description 2
- 230000002940 repellent Effects 0.000 description 2
- 150000003333 secondary alcohols Chemical class 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000010557 suspension polymerization reaction Methods 0.000 description 2
- GJBRNHKUVLOCEB-UHFFFAOYSA-N tert-butyl benzenecarboperoxoate Chemical compound CC(C)(C)OOC(=O)C1=CC=CC=C1 GJBRNHKUVLOCEB-UHFFFAOYSA-N 0.000 description 2
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- 150000001993 dienes Chemical class 0.000 description 1
- ZBCBWPMODOFKDW-UHFFFAOYSA-N diethanolamine Chemical compound OCCNCCO ZBCBWPMODOFKDW-UHFFFAOYSA-N 0.000 description 1
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 1
- LVTYICIALWPMFW-UHFFFAOYSA-N diisopropanolamine Chemical compound CC(O)CNCC(C)O LVTYICIALWPMFW-UHFFFAOYSA-N 0.000 description 1
- 239000003085 diluting agent Substances 0.000 description 1
- XNMQEEKYCVKGBD-UHFFFAOYSA-N dimethylacetylene Natural products CC#CC XNMQEEKYCVKGBD-UHFFFAOYSA-N 0.000 description 1
- 150000002009 diols Chemical class 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 229940069096 dodecene Drugs 0.000 description 1
- 239000003480 eluent Substances 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 230000032050 esterification Effects 0.000 description 1
- 238000005886 esterification reaction Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- UYMKPFRHYYNDTL-UHFFFAOYSA-N ethenamine Chemical class NC=C UYMKPFRHYYNDTL-UHFFFAOYSA-N 0.000 description 1
- MEGHWIAOTJPCHQ-UHFFFAOYSA-N ethenyl butanoate Chemical compound CCCC(=O)OC=C MEGHWIAOTJPCHQ-UHFFFAOYSA-N 0.000 description 1
- GFJVXXWOPWLRNU-UHFFFAOYSA-N ethenyl formate Chemical compound C=COC=O GFJVXXWOPWLRNU-UHFFFAOYSA-N 0.000 description 1
- UIWXSTHGICQLQT-UHFFFAOYSA-N ethenyl propanoate Chemical compound CCC(=O)OC=C UIWXSTHGICQLQT-UHFFFAOYSA-N 0.000 description 1
- STVZJERGLQHEKB-UHFFFAOYSA-N ethylene glycol dimethacrylate Chemical compound CC(=C)C(=O)OCCOC(=O)C(C)=C STVZJERGLQHEKB-UHFFFAOYSA-N 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000003925 fat Substances 0.000 description 1
- 239000012065 filter cake Substances 0.000 description 1
- 238000007730 finishing process Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 238000010528 free radical solution polymerization reaction Methods 0.000 description 1
- 238000005227 gel permeation chromatography Methods 0.000 description 1
- 239000008103 glucose Substances 0.000 description 1
- FUZZWVXGSFPDMH-UHFFFAOYSA-N hexanoic acid Chemical compound CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 125000002768 hydroxyalkyl group Chemical group 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000003999 initiator Substances 0.000 description 1
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 1
- 239000011976 maleic acid Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- XJRBAMWJDBPFIM-UHFFFAOYSA-N methyl vinyl ether Chemical compound COC=C XJRBAMWJDBPFIM-UHFFFAOYSA-N 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 150000002763 monocarboxylic acids Chemical class 0.000 description 1
- ZIUHHBKFKCYYJD-UHFFFAOYSA-N n,n'-methylenebisacrylamide Chemical compound C=CC(=O)NCNC(=O)C=C ZIUHHBKFKCYYJD-UHFFFAOYSA-N 0.000 description 1
- TVMXDCGIABBOFY-UHFFFAOYSA-N n-Octanol Natural products CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 description 1
- RQAKESSLMFZVMC-UHFFFAOYSA-N n-ethenylacetamide Chemical compound CC(=O)NC=C RQAKESSLMFZVMC-UHFFFAOYSA-N 0.000 description 1
- ZQXSMRAEXCEDJD-UHFFFAOYSA-N n-ethenylformamide Chemical compound C=CNC=O ZQXSMRAEXCEDJD-UHFFFAOYSA-N 0.000 description 1
- GOQYKNQRPGWPLP-UHFFFAOYSA-N n-heptadecyl alcohol Natural products CCCCCCCCCCCCCCCCCO GOQYKNQRPGWPLP-UHFFFAOYSA-N 0.000 description 1
- PXSXRABJBXYMFT-UHFFFAOYSA-N n-hexylhexan-1-amine Chemical compound CCCCCCNCCCCCC PXSXRABJBXYMFT-UHFFFAOYSA-N 0.000 description 1
- HKUFIYBZNQSHQS-UHFFFAOYSA-N n-octadecyloctadecan-1-amine Chemical compound CCCCCCCCCCCCCCCCCCNCCCCCCCCCCCCCCCCCC HKUFIYBZNQSHQS-UHFFFAOYSA-N 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 150000002825 nitriles Chemical class 0.000 description 1
- 235000014593 oils and fats Nutrition 0.000 description 1
- 229940055577 oleyl alcohol Drugs 0.000 description 1
- XMLQWXUVTXCDDL-UHFFFAOYSA-N oleyl alcohol Natural products CCCCCCC=CCCCCCCCCCCO XMLQWXUVTXCDDL-UHFFFAOYSA-N 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 229920005862 polyol Polymers 0.000 description 1
- 150000003077 polyols Chemical class 0.000 description 1
- 229920001451 polypropylene glycol Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000010526 radical polymerization reaction Methods 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 150000003335 secondary amines Chemical class 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003797 solvolysis reaction Methods 0.000 description 1
- 150000005846 sugar alcohols Polymers 0.000 description 1
- 238000006277 sulfonation reaction Methods 0.000 description 1
- 150000003509 tertiary alcohols Chemical class 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
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 1
- LDHQCZJRKDOVOX-UHFFFAOYSA-N trans-crotonic acid Natural products CC=CC(O)=O LDHQCZJRKDOVOX-UHFFFAOYSA-N 0.000 description 1
- ABVVEAHYODGCLZ-UHFFFAOYSA-N tridecan-1-amine Chemical compound CCCCCCCCCCCCCN ABVVEAHYODGCLZ-UHFFFAOYSA-N 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 238000004383 yellowing Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C14—SKINS; HIDES; PELTS; LEATHER
- C14C—CHEMICAL TREATMENT OF HIDES, SKINS OR LEATHER, e.g. TANNING, IMPREGNATING, FINISHING; APPARATUS THEREFOR; COMPOSITIONS FOR TANNING
- C14C9/00—Impregnating leather for preserving, waterproofing, making resistant to heat or similar purposes
Definitions
- reaction products of homopolymers or copolymers based on monoethylenically unsaturated dicarboxylic acid anhydrides with amines or alcohols for greasing and filling leather and fur skins
- the present invention relates to the use of reaction products of homopolymers or copolymers based on monoethylenically unsaturated dicarboxylic acid anhydrides with certain amines and alcohols for greasing and filling leather and fur skins.
- the invention also relates to leather treatment compositions which contain these conversion products.
- aqueous fat emulsions are used, which are generally based on petrochemically produced or natural oils and fats. These are usually made water-emulsifiable by partial sulfonation or with the help of emulsifiers. Incomplete liquor drainage, relatively easy extraction by solvent or water, the occurrence of migration phenomena and unsatisfactory authenticity profiles all turn out to be disadvantages of this class of fatliquoring agents.
- Polymeric products for example based on unsaturated dicarboxylic acid derivatives and long-chain olefins with greasing properties for leather and fur skins, are known and are used as water repellents for leather and fur skins.
- EP-A 412 389 describes copolymers of C $ to C 40 mono-olefins and ethylenically unsaturated C to C ⁇ -dicarboxylic acid anhydrides which, following their preparation, by solvolysis of the anhydride groups, for example with bases such as amines or partial esterification of the anhydride groups with alcohols and at least partial neutralization of the carboxyl groups formed with bases in an aqueous medium can be converted to aqueous solutions or dispersions which are recommended as water repellents for leather and fur files.
- Such polymeric leather greasing agents do have a certain greasing effect, but this is still not entirely satisfactory, especially for soft types of leather.
- an additional fatliquor based on a native or synthetic see Lickers are used, which complements the effect with the polyer fatty agent.
- the invention was therefore based on the object of providing an improved means for greasing and filling leather and fur files which no longer puts the disadvantages of the prior art on ice.
- R 1 , R 2 and R 3 are hydrogen, methyl or ethyl and k is 1 or 2
- Maleic anhydride, itaconic anhydride, citraconic anhydride, mesaconic anhydride, methylene malonic anhydride and mixtures thereof are particularly suitable as monoethylenically unsaturated dicarboxylic acid anhydrides having 4 to 10 carbon atoms (a). Maleic anhydride is particularly preferred.
- the radical R 1 preferably represents hydrogen or methyl
- Suitable vinyl aromatics (b) are, in particular, styrene or ⁇ -methylstyrene or a mixture thereof.
- Suitable vinyl esters (c) are, in particular, vinyl esters of C 1 -C 4 -carboxylic acids, for example vinyl formate, vinyl propionate, vinyl butyrate or, in particular, vinyl acetate. Mixtures of such vinyl esters can also be used.
- Suitable C 2 -C 6 -olefins (d) are, in particular, straight-chain or branched monoolefins, in particular ⁇ -olefins, for example ethylene, propylene, 1-butene, isobutene, 1-pentene or 1-hexene, and also 2-butene, 2-pentene, 2-hexene or 3-hexene. Isobutene is particularly preferred.
- conjugated dienes such as butadiene or isoprene can also be used. Mixtures of the olefins mentioned can also be used.
- Suitable monoethylenically unsaturated carboxylic acids (C) are, in particular, C - to C 4 -carboxylic acids, for example crotonic acid or, in particular, acrylic acid and methacrylic acid.
- copolymers A from one monomer (a) copolymers A from two or more monomers (a) and copolymers A from monomers (a) to (e) are used, the copolymer, however, at least 30 mol% must contain monoethylenically unsaturated dicarboxylic anhydride (a).
- a homopolymer of a monoethylenically unsaturated dicarboxylic anhydride having 4 to 10 carbon atoms (a) is used as component A in the preparation of the reaction products used according to the invention.
- a copolymer is formed as component A in the preparation of the reaction products used according to the invention
- a copolymer is formed as component A in the preparation of the reaction products used according to the invention
- a copolymer is formed as component A in the preparation of the reaction products used according to the invention
- polymers A small amounts of further monomers copolymerizable with the monomers (a) to (e), in particular monoethylenically and polyethylenically unsaturated compounds, can also be used. long.
- these are, for example, hydroxyalkyl esters with 2 to 6 carbon atoms in the alkyl radical and the corresponding nitriles of the mono- and dicarboxylic acids already mentioned, N-vinylamides such as N-vinylacetamide, N-vinylpyrrolidone, N-vinylpiperidine, N-vinylcaprolactam, N -Vinyl-succinimide, N-vinylphthalimide, N-vinyloxazolone, N-vinylformamide and N-vinylimidazole and alkyl vinyl ether with 1 to 18 carbon atoms in the alkyl radical, for example methyl vinyl ether, ethyl vinyl ether or stearyl vinyl ether
- methylenebisacrylamide esters of acrylic acid, methacrylic acid and maleic acid with polyhydric alcohols, such as, for example, glycol diacrylate, glycerol triacrylate, glycol dimethacrylate, glycerol trimethacrylate, and at least polyols esterified with acrylic acid or methacrylic acid, such as pentaerythritol and glucose.
- polyhydric alcohols such as, for example, glycol diacrylate, glycerol triacrylate, glycol dimethacrylate, glycerol trimethacrylate, and at least polyols esterified with acrylic acid or methacrylic acid, such as pentaerythritol and glucose.
- divinylbenzene divinyldioxane
- pentaerythritol triallyl ether and pentaallylsucrose and glycol diacrylates of polyethylene glycols with molecular weights of up to 3000.
- the polymers A can be prepared by conventional methods of radical polymerization. The techniques of suspension, solution and bulk polymerization can be used in particular. Organic solvents such as toluene, xylene, ethylbenzene, isopropylbenzene, tetrahydrofuran, dioxane, cyclohexane, petroleum ether or ligroin can be used, for example, as diluents or solvents for the polymerization. One works at normal pressure or under increased pressure.
- Suitable radical initiator systems are all which form free radicals under the desired polymerization conditions, for example di-tert-butyl peroxide, tert-butyl perbenzoate or tert-butyl perethyl hexanoate.
- Protective colloids such as polyethyleneyl ether, can be added, particularly in the case of suspension polymerization.
- the K values of the polymers A are generally between 6 and 200, in particular between 8 and 100. According to Fikentscher, the K values of the copolymers were determined on 1% by weight solutions in cyclohexanone and the K Values of the homopolymers (a) determined in dimethylformamide as solvent at 25 ° C.
- the polymers A can be isolated in solid form and, if desired, dried and then reacted with component B. However, the polymers A can also be reacted directly with component B in solution.
- Primary, secondary and tertiary alcohols having 1 to 30 carbon atoms are to be mentioned as suitable alcohols for component B for the reaction with the polymers A.
- Saturated aliphatic alcohols as well as unsaturated alcohols, such as oleyl alcohol, can be used.
- Primary or secondary alcohols are preferably used, for example amyl alcohol, n-hexanol, n-octanol, 2-ethylhexanol, n-nonanol, iso-nonanol, n-decanol, n-dodecanol, n-tridecanol, iso -Tridecanol, cyclohexanol, naturally occurring fatty alcohols such as tallow fatty alcohol or stearyl alcohol as well as the alcohols or alcohol mixtures with 9 to 19 C atoms which are technically easily accessible through oxosynthesis, such as Cg / io-oxoalcohol, Ci 3 / i 5 - Oxo alcohol and Ziegleral alcohols with 12 to 24 carbon atoms, for example Cj .2 / ⁇ - or Ci 6 / i 8 ⁇ cuts.
- the alcohols of component B can also be oxyalkylated, ie have been reacted with a C 2 -C 4 -alkylene oxide such as ethylene oxide, propylene oxide or butylene oxide.
- a C 2 -C 4 -alkylene oxide such as ethylene oxide, propylene oxide or butylene oxide.
- One or two different alkylene oxide blocks can be present in the molecule.
- Tetramethylene can also be present as a polytetrahydrofuran structure as an alkylene building block for such a block.
- ether alcohols and polyether diols such as ethylene glycol monobutyl ether, di- and triethylene glycol monobutyl ether, polytetrahydrofuran as well as polyethylene glycols and polypropylene glycols.
- a primary or secondary amines of component B are, for example, n-hexylamine, cyclohexylamine, methylcyclohexylamine, 2-ethylhexylamine r ri-octyl amine, n-tridecylamine, isotridecylamine, tallow fatty amine, stearylamine, oleylamine, di-n -Hexylamine, dicyclohexylamine, di- (methylcyclohexyl) amine r di- (2-ethylhexyl) amine, di- (n-octyl) amine, di- (isotride-cyl) amine, di-tallow fatty amine, di-stearylamine To name diolelylamine, diethanolamine, di-n-propanolamine or di-iso-propanolamine.
- amines in which the radical R 4 is hydrogen and the radical R 5 Cio- to C 2 2-alkyl or Cio- to C 2 2-alkenyl referred to.
- the polymers A are reacted with the amines or alcohols B by known methods.
- carboxylic acid ester or carboxamide functions are incorporated into the polymers A.
- Amines are expediently used with the polymers A in bulk or in inert organic solvents such as toluene, xylene, cyclohexane, petroleum ether or ligroin, which usually result from the preparation of the polymers A themselves, under normal pressure or elevated pressure at about 60 to 130 ° C implemented.
- reaction of the alcohols with the polymers A is also advantageously carried out in bulk or, preferably, in inert organic solvents, as mentioned above, in the presence of acidic catalysts such as p-toluenesulfonic acid under normal pressure or elevated pressure at about 100 to 150 ° C. .
- acidic catalysts such as p-toluenesulfonic acid under normal pressure or elevated pressure at about 100 to 150 ° C. .
- the ratio of components A and B in the reaction is usually chosen so that 0.2 to 1.0 mol of amine or alcohol B or a mixture thereof is used per mole of monomer a) in polymer A.
- any organic solvent which is present is generally removed, preferably by distillation, and the product is usually dispersed in an aqueous solution of a base, preferably an alkali metal hydroxide such as sodium or potassium hydroxide or ammonia. in order to partially or completely hydrolyze the remaining anhydride functions of the partially esterified or partially amidated polymers and to partially or completely neutralize them.
- a base preferably an alkali metal hydroxide such as sodium or potassium hydroxide or ammonia.
- the polymer dispersions obtainable in this way are suitable for the treatment of all customary tanned hides.
- the tanned hides are usually deacidified before treatment. They may have been stained before the treatment. Coloring can, however, only be carried out after the greasing according to the invention.
- the tanned skins are expediently mixed with the aqueous dispersions in an aqueous liquor at pH values from 4 to 10, preferably from 5 to 8, and temperatures from 20 to 60 ° C., preferably 30 to 50 ° C., during a period of 0.1 to 5 hours, in particular 0.5 to 2 hours, treated.
- This treatment takes place, for example, by walking in a barrel.
- the amount of reaction product from A and B required, based on the shaved weight of the leather or the wet weight of the fur skins, is 0.1 to 30% by weight, preferably 1 to 20% by weight.
- the liquor length ie the percentage weight ratio of the treatment liquor to the goods, based on the shaved weight of the leather or the wet weight of the fur skins, is usually IQ to 1000%, preferably 30 to 150%, and 50 to 500% for fur skins.
- the dispersions of the reaction products from A and B used generally have no additional emulsifiers.
- the pH of the treatment liquor is adjusted to a pH of 3 to 5, preferably 3.5 to 4, by adding acids, preferably organic acids such as formic acid.
- treatment with the reaction products from A and B to be used according to the invention can take place before or after the retanning step.
- the present invention furthermore relates to leather treatment compositions which are reaction products of
- R 1 , R 2 and R 3 are hydrogen, methyl or ethyl and k is 1 or 2
- reaction products to be used according to the invention it is possible to produce very soft leather without the addition of conventional licker. This advantage is reflected in simple and short application formulations.
- hydrophobic properties of these polymeric greasing agents can be varied so that the leather can also be given a certain water resistance by suitable selection from the special alcohols and amines of component B in the reaction products used according to the invention.
- reaction products used according to the invention do not require any additional emulsifiers when applied to leather or fur skins.
- leather and furs made with emulsifier Products that have been treated in many cases have to be subjected to complex processes, such as aftertreatment with polyvalent metal salts, after treatment with these agents in order to render the emulsifiers in the leather or in the fur skins ineffective.
- the percentages in the examples relate to the weight, unless stated otherwise.
- the molecular weights of the copolymers were determined by gel permeation chromatography, using tetrahydrofuran as eluent and narrowly distributed fractions of polystyrene for calibration.
- the K values according to Fikentscher of the copolymers and of the auxiliaries were determined in 1% strength by weight solutions in cyclohexanone at 25 ° C. In the homopolymers of monomers (a), dimethylformamide was used as the solvent instead of cyclohexanone.
- the preparation is carried out analogously to Example 2, except that 264.6 g (2.7 mol) of maleic anhydride and 655.2 g (6.3 mol) of styrene were used.
- the K value of the polymer obtained was 16.0 and the molar mass was 9000.
- the fine, light brown polymer suspension could be further processed directly to give a leather greasing agent.
- a solution of 262 g of tert-butyl perethylhexanoate in 190 g of o-xylene was metered in uniformly for 5 hours while boiling. Subsequently, the mixture was heated for another hour and then the o-xylene was decanted off over the melt, the melt was applied to an aluminum sheet and cooled. The resin was crushed and the remaining solvent was distilled off in vacuo. The polymer had a K value of 10 and the molar mass was 1000.
- reaction products from polymers A and amines B were prepared by adding the amines given in the table to the polymers shown in the table in xylene at 120 to 130 ° C. in the molar ratio A in: maleic anhydride (MA) in the polymer shown in the table . After distilling After the reaction, the product was dispersed in the polymer with an Ultraturax stirrer in aqueous sodium hydroxide solution in the molar ratio NaOHrMSA given in the table, so that a 20 to 25% dispersion with a pH value from 7 to 8 resulted.
- MA maleic anhydride
- the reaction products were prepared from polymers A and alcohols B by reacting the alcohols listed in the table with the polymers listed in the table in xylene at 120 to 130 ° C. in the presence of catalytic amounts of p-toluenesulfonic acid for 3 to 5 Hours in the molar ratio alcohol: MA given in the table in the polymer.
- the product was dispersed in the polymer using an Ultaturax stirrer in aqueous sodium hydroxide solution in the molar ratio NaOHrMSA given in the table, so that a 20 to 25% dispersion with a pH from 7 to 8 resulted.
- Chrome-tanned cowhide with a fold thickness of 1.8 mm which had been deacidified to a pH of 5.0 and dyed with 0.7% of a conventional anionic aniline dye, was based on 15% of the product from Example 8 the fold weight, drummed for 30 minutes at 40 ° C. in the tanning drum and then treated further with 3% of a conventional synthetic tanning agent for one hour. Then the leather was brought to a pH of 3.6 with formic acid and finished as usual. The leather thus obtained felt pleasantly soft and easy to grip.
- Example 9 The product of Example "9 was used as per the Example 21 an ⁇ given operation.
- the leather thus obtained had soft and round hand properties.
- Example 10 The product from Example 10 was used analogously to the procedure given in Example 23.
- the leather thus obtained was characterized by a round, soft handle.
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Treatment And Processing Of Natural Fur Or Leather (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Polyethers (AREA)
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4205839 | 1992-02-26 | ||
DE4205839A DE4205839A1 (de) | 1992-02-26 | 1992-02-26 | Verwendung von umsetzungsprodukten von homo- oder copolymerisaten auf basis monoethylenisch ungesaettigter dicarbonsaeureanhydride mit aminen oder alkoholen zum fetten und fuellen von leder oder pelzfellen |
PCT/EP1993/000354 WO1993017130A1 (de) | 1992-02-26 | 1993-02-15 | Verwendung von umsetzungsprodukten von homo- oder copolymerisaten auf basis monoethylenisch ungesättigter dicarbonsäureanhydride mit aminen oder alkoholen zum fetten und füllen von leder und pelzfellen |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0628085A1 true EP0628085A1 (de) | 1994-12-14 |
EP0628085B1 EP0628085B1 (de) | 1996-02-14 |
Family
ID=6452591
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP93903970A Expired - Lifetime EP0628085B1 (de) | 1992-02-26 | 1993-02-15 | Verwendung von umsetzungsprodukten von homo- oder copolymerisaten auf basis monoethylenisch ungesättigter dicarbonsäureanhydride mit aminen oder alkoholen zum fetten und füllen von leder und pelzfellen |
Country Status (7)
Country | Link |
---|---|
US (1) | US5433752A (de) |
EP (1) | EP0628085B1 (de) |
JP (1) | JPH07504217A (de) |
AU (1) | AU661562B2 (de) |
DE (2) | DE4205839A1 (de) |
ES (1) | ES2083280T3 (de) |
WO (1) | WO1993017130A1 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2004070063A1 (de) * | 2003-02-06 | 2004-08-19 | Basf Aktiengesellschaft | Verfahren zur herstellung von leder |
WO2006000592A1 (de) | 2004-06-28 | 2006-01-05 | Basf Aktiengesellschaft | Verwendung von ethergruppen enthaltenden polymeren als lösungsvermittler |
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DE4236556A1 (de) * | 1992-10-29 | 1994-05-05 | Stockhausen Chem Fab Gmbh | Verfahren zur Weichmachung/Fettung von Ledern und Pelzen |
DE4402029A1 (de) * | 1994-01-25 | 1995-07-27 | Basf Ag | Wäßrige Lösungen oder Dispersionen von Copolymerisaten |
US6004264A (en) | 1994-07-04 | 1999-12-21 | Asahi Kogaku Kogyo Kabushiki Kaisha | Portable endoscope system |
DE19942681B4 (de) * | 1999-09-07 | 2006-04-27 | Dr. Th. Böhme KG Chem. Fabrik GmbH & Co | Copolymer zur Behandlung von Leder und Pelzfellen |
US6753369B2 (en) | 2001-10-16 | 2004-06-22 | Buckman Laboratories International, Inc. | Leather waterproofing formulation and leather goods waterproofed therewith |
DE10321628A1 (de) * | 2003-05-13 | 2004-12-02 | Basf Ag | Verwendung von Copolymerisaten als Hilfsmittel für die Lederherstellung |
DE10343904A1 (de) * | 2003-09-19 | 2005-04-21 | Basf Ag | Verfahren zur Herstellung von Copolymerisaten |
AR045605A1 (es) * | 2003-09-26 | 2005-11-02 | Basf Ag | Dispersiones acuosas de copolimerizados, su preparacion y uso |
BRPI0816213B1 (pt) | 2007-09-04 | 2019-04-24 | Basf Se | Formulação aquosa, copolímero, processo para a preparação de copolímeros, e, uso de copolímeros e de formulações aquosas |
GB0810075D0 (en) * | 2008-05-03 | 2008-07-09 | Raven Mfg Ltd | Satellite date receiving apparatus |
DE102009047183A1 (de) | 2008-12-19 | 2010-07-15 | Basf Se | Farbstoffmischung zum Färben von Leder |
US8779069B2 (en) * | 2011-12-12 | 2014-07-15 | Axalta Coating Systems Ip Co., Llc | Cathodic electrocoating compositions |
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US2452536A (en) * | 1944-07-25 | 1948-11-02 | Du Pont | Process for impregnating leather with sulfonated polymeric compositions |
US2746837A (en) * | 1951-12-28 | 1956-05-22 | Gen Aniline & Film Corp | Manufacture of leather using a modified vinyl ether-maleic anhydride copolymer, and resulting product |
DE2501123C2 (de) * | 1975-01-14 | 1984-02-09 | Bayer Ag, 5090 Leverkusen | Verfahren zur Herstellung von Suspensions-Copolymerisaten |
DE2629748C2 (de) * | 1976-07-02 | 1979-06-07 | Zschimmer & Schwarz Chemische Fabriken, 5420 Lahnstein | Verwendung von Copolymerisaten aus Monoolefinen und Maleinsäureanhydrid zum Füllen und Fetten von Leder und Pelzfellen |
DE3926167A1 (de) * | 1989-08-08 | 1991-02-14 | Basf Ag | Verwendung von copolymerisaten auf basis von langkettigen olefinen und ethylenisch ungesaettigten dicarbonsaeureanhydriden zum hydrophobieren von leder und pelzfellen |
DE3926168A1 (de) * | 1989-08-08 | 1991-02-14 | Basf Ag | Verwendung von copolymerisaten auf basis von langkettigen alkylvinylethern und ethylenisch ungesaettigten dicarbonsaeureanhydriden zum hydrophobieren von leder und pelzfellen |
US5279613A (en) * | 1989-08-08 | 1994-01-18 | Basf Aktiengesellschaft | Copolymers based on long-chain olefins and ethylenically unsaturated dicarboxylic anhydrides for rendering leathers and skins water-repellent |
DE3931039A1 (de) * | 1989-09-16 | 1991-03-28 | Basf Ag | Verwendung von copolymerisaten auf basis von langkettigen ungesaettigten estern und ethylenisch ungesaettigten carbonsaeuren zum hydrophobieren von leder und pelzfellen |
-
1992
- 1992-02-26 DE DE4205839A patent/DE4205839A1/de not_active Withdrawn
-
1993
- 1993-02-15 DE DE59301646T patent/DE59301646D1/de not_active Expired - Lifetime
- 1993-02-15 US US08/290,779 patent/US5433752A/en not_active Expired - Fee Related
- 1993-02-15 AU AU34973/93A patent/AU661562B2/en not_active Ceased
- 1993-02-15 EP EP93903970A patent/EP0628085B1/de not_active Expired - Lifetime
- 1993-02-15 JP JP5514373A patent/JPH07504217A/ja active Pending
- 1993-02-15 ES ES93903970T patent/ES2083280T3/es not_active Expired - Lifetime
- 1993-02-15 WO PCT/EP1993/000354 patent/WO1993017130A1/de active IP Right Grant
Non-Patent Citations (1)
Title |
---|
See references of WO9317130A1 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2004070063A1 (de) * | 2003-02-06 | 2004-08-19 | Basf Aktiengesellschaft | Verfahren zur herstellung von leder |
WO2006000592A1 (de) | 2004-06-28 | 2006-01-05 | Basf Aktiengesellschaft | Verwendung von ethergruppen enthaltenden polymeren als lösungsvermittler |
Also Published As
Publication number | Publication date |
---|---|
AU3497393A (en) | 1993-09-13 |
EP0628085B1 (de) | 1996-02-14 |
AU661562B2 (en) | 1995-07-27 |
JPH07504217A (ja) | 1995-05-11 |
WO1993017130A1 (de) | 1993-09-02 |
DE59301646D1 (de) | 1996-03-28 |
DE4205839A1 (de) | 1993-09-02 |
ES2083280T3 (es) | 1996-04-01 |
US5433752A (en) | 1995-07-18 |
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