EP0362134A2 - Leather treating agent - Google Patents
Leather treating agent Download PDFInfo
- Publication number
- EP0362134A2 EP0362134A2 EP89810707A EP89810707A EP0362134A2 EP 0362134 A2 EP0362134 A2 EP 0362134A2 EP 89810707 A EP89810707 A EP 89810707A EP 89810707 A EP89810707 A EP 89810707A EP 0362134 A2 EP0362134 A2 EP 0362134A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- component
- leather treatment
- alkali metal
- leather
- ammonium salt
- 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
- 239000010985 leather Substances 0.000 title claims abstract description 42
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 37
- 239000000203 mixture Substances 0.000 claims abstract description 29
- 125000004432 carbon atom Chemical group C* 0.000 claims abstract description 18
- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 claims abstract description 16
- 150000008064 anhydrides Chemical class 0.000 claims abstract description 16
- 229910052783 alkali metal Inorganic materials 0.000 claims abstract description 15
- 150000001340 alkali metals Chemical class 0.000 claims abstract description 15
- 150000003863 ammonium salts Chemical class 0.000 claims abstract description 15
- 125000003118 aryl group Chemical group 0.000 claims abstract description 13
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000011651 chromium Substances 0.000 claims abstract description 9
- 150000002191 fatty alcohols Chemical class 0.000 claims abstract description 9
- 229920005862 polyol Polymers 0.000 claims abstract description 9
- 150000003077 polyols Chemical class 0.000 claims abstract description 9
- 239000002243 precursor Substances 0.000 claims abstract description 9
- 229920006395 saturated elastomer Polymers 0.000 claims abstract description 8
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 6
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 5
- 229910052742 iron Inorganic materials 0.000 claims abstract description 5
- 150000003754 zirconium Chemical class 0.000 claims abstract description 5
- 125000001931 aliphatic group Chemical group 0.000 claims abstract description 4
- 230000003750 conditioning effect Effects 0.000 claims abstract description 4
- 150000004671 saturated fatty acids Chemical class 0.000 claims abstract description 4
- 150000004670 unsaturated fatty acids Chemical class 0.000 claims abstract description 4
- 235000021122 unsaturated fatty acids Nutrition 0.000 claims abstract description 4
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims description 46
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 23
- 239000007859 condensation product Substances 0.000 claims description 21
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims description 17
- -1 4,4'-dihydroxydiphenyl sulfones Chemical class 0.000 claims description 15
- 239000007795 chemical reaction product Substances 0.000 claims description 13
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 9
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 claims description 8
- GLDOVTGHNKAZLK-UHFFFAOYSA-N octadecan-1-ol Chemical compound CCCCCCCCCCCCCCCCCCO GLDOVTGHNKAZLK-UHFFFAOYSA-N 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 claims description 7
- VPWNQTHUCYMVMZ-UHFFFAOYSA-N 4,4'-sulfonyldiphenol Chemical compound C1=CC(O)=CC=C1S(=O)(=O)C1=CC=C(O)C=C1 VPWNQTHUCYMVMZ-UHFFFAOYSA-N 0.000 claims description 6
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 239000002253 acid Substances 0.000 claims description 5
- 150000001987 diarylethers Chemical class 0.000 claims description 5
- 150000002989 phenols Chemical class 0.000 claims description 5
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 4
- 239000000194 fatty acid Substances 0.000 claims description 4
- 229930195729 fatty acid Natural products 0.000 claims description 4
- 150000004665 fatty acids Chemical class 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- GOQYKNQRPGWPLP-UHFFFAOYSA-N n-heptadecyl alcohol Natural products CCCCCCCCCCCCCCCCCO GOQYKNQRPGWPLP-UHFFFAOYSA-N 0.000 claims description 4
- WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-UHFFFAOYSA-N 0.000 claims description 3
- LQJBNNIYVWPHFW-UHFFFAOYSA-N 20:1omega9c fatty acid Natural products CCCCCCCCCCC=CCCCCCCCC(O)=O LQJBNNIYVWPHFW-UHFFFAOYSA-N 0.000 claims description 3
- QSBYPNXLFMSGKH-UHFFFAOYSA-N 9-Heptadecensaeure Natural products CCCCCCCC=CCCCCCCCC(O)=O QSBYPNXLFMSGKH-UHFFFAOYSA-N 0.000 claims description 3
- ZQPPMHVWECSIRJ-UHFFFAOYSA-N Oleic acid Natural products CCCCCCCCC=CCCCCCCCC(O)=O ZQPPMHVWECSIRJ-UHFFFAOYSA-N 0.000 claims description 3
- 150000007513 acids Chemical class 0.000 claims description 3
- 125000000129 anionic group Chemical group 0.000 claims description 3
- 150000001844 chromium Chemical class 0.000 claims description 3
- QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 claims description 3
- 235000018553 tannin Nutrition 0.000 claims description 3
- 229920001864 tannin Polymers 0.000 claims description 3
- 239000001648 tannin Substances 0.000 claims description 3
- QTWJRLJHJPIABL-UHFFFAOYSA-N 2-methylphenol;3-methylphenol;4-methylphenol Chemical compound CC1=CC=C(O)C=C1.CC1=CC=CC(O)=C1.CC1=CC=CC=C1O QTWJRLJHJPIABL-UHFFFAOYSA-N 0.000 claims description 2
- 239000005642 Oleic acid Substances 0.000 claims description 2
- 229920001807 Urea-formaldehyde Polymers 0.000 claims description 2
- 229930003836 cresol Natural products 0.000 claims description 2
- 238000004043 dyeing Methods 0.000 claims description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 2
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 claims description 2
- ODGAOXROABLFNM-UHFFFAOYSA-N polynoxylin Chemical compound O=C.NC(N)=O ODGAOXROABLFNM-UHFFFAOYSA-N 0.000 claims description 2
- 125000000020 sulfo group Chemical group O=S(=O)([*])O[H] 0.000 claims description 2
- 229940061610 sulfonated phenol Drugs 0.000 claims description 2
- 125000006836 terphenylene group Chemical group 0.000 claims description 2
- 238000004040 coloring Methods 0.000 claims 1
- NVVZQXQBYZPMLJ-UHFFFAOYSA-N formaldehyde;naphthalene-1-sulfonic acid Chemical compound O=C.C1=CC=C2C(S(=O)(=O)O)=CC=CC2=C1 NVVZQXQBYZPMLJ-UHFFFAOYSA-N 0.000 claims 1
- 239000004411 aluminium Substances 0.000 abstract 1
- 239000000843 powder Substances 0.000 description 11
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 9
- 239000000243 solution Substances 0.000 description 8
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 235000013824 polyphenols Nutrition 0.000 description 5
- BXWNKGSJHAJOGX-UHFFFAOYSA-N hexadecan-1-ol Chemical compound CCCCCCCCCCCCCCCCO BXWNKGSJHAJOGX-UHFFFAOYSA-N 0.000 description 4
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 4
- 150000003839 salts Chemical class 0.000 description 4
- KDYFGRWQOYBRFD-UHFFFAOYSA-N succinic acid Chemical compound OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 description 4
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 4
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 3
- 150000001298 alcohols Chemical class 0.000 description 3
- 150000001991 dicarboxylic acids Chemical class 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 3
- 239000011976 maleic acid Substances 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 235000019198 oils Nutrition 0.000 description 3
- 159000000000 sodium salts Chemical class 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- YIWUKEYIRIRTPP-UHFFFAOYSA-N 2-ethylhexan-1-ol Chemical compound CCCCC(CC)CO YIWUKEYIRIRTPP-UHFFFAOYSA-N 0.000 description 2
- JWAZRIHNYRIHIV-UHFFFAOYSA-N 2-naphthol Chemical compound C1=CC=CC2=CC(O)=CC=C21 JWAZRIHNYRIHIV-UHFFFAOYSA-N 0.000 description 2
- AOHAPDDBNAPPIN-UHFFFAOYSA-N 3-Methoxy-4,5-methylenedioxybenzoic acid Chemical compound COC1=CC(C(O)=O)=CC2=C1OCO2 AOHAPDDBNAPPIN-UHFFFAOYSA-N 0.000 description 2
- XGFKNVOLTYYFAZ-UHFFFAOYSA-N C(CCCCCCCC=C/CCCCCCCC)(=O)O.C(C=C/C(=O)O)(=O)O.OCC(O)CO Chemical compound C(CCCCCCCC=C/CCCCCCCC)(=O)O.C(C=C/C(=O)O)(=O)O.OCC(O)CO XGFKNVOLTYYFAZ-UHFFFAOYSA-N 0.000 description 2
- FBPFZTCFMRRESA-FSIIMWSLSA-N D-Glucitol Natural products OC[C@H](O)[C@H](O)[C@@H](O)[C@H](O)CO FBPFZTCFMRRESA-FSIIMWSLSA-N 0.000 description 2
- FBPFZTCFMRRESA-JGWLITMVSA-N D-glucitol Chemical compound OC[C@H](O)[C@@H](O)[C@H](O)[C@H](O)CO FBPFZTCFMRRESA-JGWLITMVSA-N 0.000 description 2
- 229920001353 Dextrin Polymers 0.000 description 2
- 239000004375 Dextrin Substances 0.000 description 2
- VZCYOOQTPOCHFL-OWOJBTEDSA-N Fumaric acid Chemical compound OC(=O)\C=C\C(O)=O VZCYOOQTPOCHFL-OWOJBTEDSA-N 0.000 description 2
- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 description 2
- DWAQJAXMDSEUJJ-UHFFFAOYSA-M Sodium bisulfite Chemical compound [Na+].OS([O-])=O DWAQJAXMDSEUJJ-UHFFFAOYSA-M 0.000 description 2
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 description 2
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 2
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical compound [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 2
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- OIDPCXKPHYRNKH-UHFFFAOYSA-J chrome alum Chemical compound [K]OS(=O)(=O)O[Cr]1OS(=O)(=O)O1 OIDPCXKPHYRNKH-UHFFFAOYSA-J 0.000 description 2
- XBWRJSSJWDOUSJ-UHFFFAOYSA-L chromium(ii) chloride Chemical compound Cl[Cr]Cl XBWRJSSJWDOUSJ-UHFFFAOYSA-L 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- GHVNFZFCNZKVNT-UHFFFAOYSA-N decanoic acid Chemical compound CCCCCCCCCC(O)=O GHVNFZFCNZKVNT-UHFFFAOYSA-N 0.000 description 2
- 235000019425 dextrin Nutrition 0.000 description 2
- USIUVYZYUHIAEV-UHFFFAOYSA-N diphenyl ether Chemical compound C=1C=CC=CC=1OC1=CC=CC=C1 USIUVYZYUHIAEV-UHFFFAOYSA-N 0.000 description 2
- POULHZVOKOAJMA-UHFFFAOYSA-N dodecanoic acid Chemical compound CCCCCCCCCCCC(O)=O POULHZVOKOAJMA-UHFFFAOYSA-N 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- IPCSVZSSVZVIGE-UHFFFAOYSA-N hexadecanoic acid Chemical compound CCCCCCCCCCCCCCCC(O)=O IPCSVZSSVZVIGE-UHFFFAOYSA-N 0.000 description 2
- 125000004356 hydroxy functional group Chemical group O* 0.000 description 2
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 2
- QQVIHTHCMHWDBS-UHFFFAOYSA-N isophthalic acid Chemical compound OC(=O)C1=CC=CC(C(O)=O)=C1 QQVIHTHCMHWDBS-UHFFFAOYSA-N 0.000 description 2
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 2
- XNGIFLGASWRNHJ-UHFFFAOYSA-N phthalic acid Chemical compound OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 description 2
- WLJVNTCWHIRURA-UHFFFAOYSA-N pimelic acid Chemical compound OC(=O)CCCCCC(O)=O WLJVNTCWHIRURA-UHFFFAOYSA-N 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- GHMLBKRAJCXXBS-UHFFFAOYSA-N resorcinol Chemical compound OC1=CC=CC(O)=C1 GHMLBKRAJCXXBS-UHFFFAOYSA-N 0.000 description 2
- HRZFUMHJMZEROT-UHFFFAOYSA-L sodium disulfite Chemical compound [Na+].[Na+].[O-]S(=O)S([O-])(=O)=O HRZFUMHJMZEROT-UHFFFAOYSA-L 0.000 description 2
- 235000010267 sodium hydrogen sulphite Nutrition 0.000 description 2
- 235000010262 sodium metabisulphite Nutrition 0.000 description 2
- 239000000600 sorbitol Substances 0.000 description 2
- 239000001384 succinic acid Substances 0.000 description 2
- 238000006277 sulfonation reaction Methods 0.000 description 2
- HLZKNKRTKFSKGZ-UHFFFAOYSA-N tetradecan-1-ol Chemical compound CCCCCCCCCCCCCCO HLZKNKRTKFSKGZ-UHFFFAOYSA-N 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- ALSTYHKOOCGGFT-KTKRTIGZSA-N (9Z)-octadecen-1-ol Chemical compound CCCCCCCC\C=C/CCCCCCCCO ALSTYHKOOCGGFT-KTKRTIGZSA-N 0.000 description 1
- XVOUMQNXTGKGMA-OWOJBTEDSA-N (E)-glutaconic acid Chemical compound OC(=O)C\C=C\C(O)=O XVOUMQNXTGKGMA-OWOJBTEDSA-N 0.000 description 1
- YJTKZCDBKVTVBY-UHFFFAOYSA-N 1,3-Diphenylbenzene Chemical group C1=CC=CC=C1C1=CC=CC(C=2C=CC=CC=2)=C1 YJTKZCDBKVTVBY-UHFFFAOYSA-N 0.000 description 1
- FDLFMPKQBNPIER-UHFFFAOYSA-N 1-methyl-3-(3-methylphenoxy)benzene Chemical compound CC1=CC=CC(OC=2C=C(C)C=CC=2)=C1 FDLFMPKQBNPIER-UHFFFAOYSA-N 0.000 description 1
- RTBFRGCFXZNCOE-UHFFFAOYSA-N 1-methylsulfonylpiperidin-4-one Chemical compound CS(=O)(=O)N1CCC(=O)CC1 RTBFRGCFXZNCOE-UHFFFAOYSA-N 0.000 description 1
- RZRNAYUHWVFMIP-KTKRTIGZSA-N 1-oleoylglycerol Chemical compound CCCCCCCC\C=C/CCCCCCCC(=O)OCC(O)CO RZRNAYUHWVFMIP-KTKRTIGZSA-N 0.000 description 1
- PQSMEVPHTJECDZ-UHFFFAOYSA-N 2,3-dimethylheptan-2-ol Chemical compound CCCCC(C)C(C)(C)O PQSMEVPHTJECDZ-UHFFFAOYSA-N 0.000 description 1
- JAHNSTQSQJOJLO-UHFFFAOYSA-N 2-(3-fluorophenyl)-1h-imidazole Chemical compound FC1=CC=CC(C=2NC=CN=2)=C1 JAHNSTQSQJOJLO-UHFFFAOYSA-N 0.000 description 1
- FALRKNHUBBKYCC-UHFFFAOYSA-N 2-(chloromethyl)pyridine-3-carbonitrile Chemical compound ClCC1=NC=CC=C1C#N FALRKNHUBBKYCC-UHFFFAOYSA-N 0.000 description 1
- PSZAEHPBBUYICS-UHFFFAOYSA-N 2-methylidenepropanedioic acid Chemical compound OC(=O)C(=C)C(O)=O PSZAEHPBBUYICS-UHFFFAOYSA-N 0.000 description 1
- LCHYEKKJCUJAKN-UHFFFAOYSA-N 2-propylphenol Chemical compound CCCC1=CC=CC=C1O LCHYEKKJCUJAKN-UHFFFAOYSA-N 0.000 description 1
- 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 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-M Bicarbonate Chemical class OC([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-M 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 229910021554 Chromium(II) chloride Inorganic materials 0.000 description 1
- 229910021556 Chromium(III) chloride Inorganic materials 0.000 description 1
- FBPFZTCFMRRESA-KVTDHHQDSA-N D-Mannitol Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)[C@H](O)CO FBPFZTCFMRRESA-KVTDHHQDSA-N 0.000 description 1
- PQUCIEFHOVEZAU-UHFFFAOYSA-N Diammonium sulfite Chemical compound [NH4+].[NH4+].[O-]S([O-])=O PQUCIEFHOVEZAU-UHFFFAOYSA-N 0.000 description 1
- 239000004386 Erythritol Substances 0.000 description 1
- UNXHWFMMPAWVPI-UHFFFAOYSA-N Erythritol Natural products OCC(O)C(O)CO UNXHWFMMPAWVPI-UHFFFAOYSA-N 0.000 description 1
- 229910021578 Iron(III) chloride Inorganic materials 0.000 description 1
- OYHQOLUKZRVURQ-HZJYTTRNSA-N Linoleic acid Chemical compound CCCCC\C=C/C\C=C/CCCCCCCC(O)=O OYHQOLUKZRVURQ-HZJYTTRNSA-N 0.000 description 1
- 229930195725 Mannitol Natural products 0.000 description 1
- 229910004879 Na2S2O5 Inorganic materials 0.000 description 1
- 239000004435 Oxo alcohol Substances 0.000 description 1
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- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 1
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 1
- 235000021355 Stearic acid Nutrition 0.000 description 1
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- 230000002378 acidificating effect Effects 0.000 description 1
- 239000001361 adipic acid Substances 0.000 description 1
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- 230000001476 alcoholic effect Effects 0.000 description 1
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- JFCQEDHGNNZCLN-UHFFFAOYSA-N anhydrous glutaric acid Natural products OC(=O)CCCC(O)=O JFCQEDHGNNZCLN-UHFFFAOYSA-N 0.000 description 1
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- 244000309466 calf Species 0.000 description 1
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- 229910052801 chlorine Inorganic materials 0.000 description 1
- QSWDMMVNRMROPK-UHFFFAOYSA-K chromium(3+) trichloride Chemical compound [Cl-].[Cl-].[Cl-].[Cr+3] QSWDMMVNRMROPK-UHFFFAOYSA-K 0.000 description 1
- 239000011636 chromium(III) chloride Substances 0.000 description 1
- 235000007831 chromium(III) chloride Nutrition 0.000 description 1
- 229910000356 chromium(III) sulfate Inorganic materials 0.000 description 1
- 239000011696 chromium(III) sulphate Substances 0.000 description 1
- 235000015217 chromium(III) sulphate Nutrition 0.000 description 1
- HNEGQIOMVPPMNR-IHWYPQMZSA-N citraconic acid Chemical compound OC(=O)C(/C)=C\C(O)=O HNEGQIOMVPPMNR-IHWYPQMZSA-N 0.000 description 1
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- 238000007796 conventional method Methods 0.000 description 1
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- 230000032050 esterification Effects 0.000 description 1
- 238000005886 esterification reaction Methods 0.000 description 1
- 235000021323 fish oil Nutrition 0.000 description 1
- 235000019253 formic acid Nutrition 0.000 description 1
- 150000004675 formic acid derivatives Chemical class 0.000 description 1
- 239000001530 fumaric acid Substances 0.000 description 1
- RZRNAYUHWVFMIP-HXUWFJFHSA-N glycerol monolinoleate Natural products CCCCCCCCC=CCCCCCCCC(=O)OC[C@H](O)CO RZRNAYUHWVFMIP-HXUWFJFHSA-N 0.000 description 1
- 239000008240 homogeneous mixture Substances 0.000 description 1
- 229910000360 iron(III) sulfate Inorganic materials 0.000 description 1
- 239000000991 leather dye Substances 0.000 description 1
- OYHQOLUKZRVURQ-IXWMQOLASA-N linoleic acid Natural products CCCCC\C=C/C\C=C\CCCCCCCC(O)=O OYHQOLUKZRVURQ-IXWMQOLASA-N 0.000 description 1
- 229960004488 linolenic acid Drugs 0.000 description 1
- KQQKGWQCNNTQJW-UHFFFAOYSA-N linolenic acid Natural products CC=CCCC=CCC=CCCCCCCCC(O)=O KQQKGWQCNNTQJW-UHFFFAOYSA-N 0.000 description 1
- 239000000594 mannitol Substances 0.000 description 1
- 235000010355 mannitol Nutrition 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- HNEGQIOMVPPMNR-NSCUHMNNSA-N mesaconic acid Chemical compound OC(=O)C(/C)=C/C(O)=O HNEGQIOMVPPMNR-NSCUHMNNSA-N 0.000 description 1
- LVHBHZANLOWSRM-UHFFFAOYSA-N methylenebutanedioic acid Natural products OC(=O)CC(=C)C(O)=O LVHBHZANLOWSRM-UHFFFAOYSA-N 0.000 description 1
- HNEGQIOMVPPMNR-UHFFFAOYSA-N methylfumaric acid Natural products OC(=O)C(C)=CC(O)=O HNEGQIOMVPPMNR-UHFFFAOYSA-N 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229940043348 myristyl alcohol Drugs 0.000 description 1
- WQEPLUUGTLDZJY-UHFFFAOYSA-N n-Pentadecanoic acid Natural products CCCCCCCCCCCCCCC(O)=O WQEPLUUGTLDZJY-UHFFFAOYSA-N 0.000 description 1
- PSZYNBSKGUBXEH-UHFFFAOYSA-N naphthalene-1-sulfonic acid Chemical compound C1=CC=C2C(S(=O)(=O)O)=CC=CC2=C1 PSZYNBSKGUBXEH-UHFFFAOYSA-N 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 1
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 1
- 150000002888 oleic acid derivatives Chemical class 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
- CMOAHYOGLLEOGO-UHFFFAOYSA-N oxozirconium;dihydrochloride Chemical compound Cl.Cl.[Zr]=O CMOAHYOGLLEOGO-UHFFFAOYSA-N 0.000 description 1
- 230000020477 pH reduction Effects 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
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N phenylbenzene Natural products C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- WBHHMMIMDMUBKC-XLNAKTSKSA-N ricinelaidic acid Chemical compound CCCCCC[C@@H](O)C\C=C\CCCCCCCC(O)=O WBHHMMIMDMUBKC-XLNAKTSKSA-N 0.000 description 1
- 229960003656 ricinoleic acid Drugs 0.000 description 1
- FEUQNCSVHBHROZ-UHFFFAOYSA-N ricinoleic acid Natural products CCCCCCC(O[Si](C)(C)C)CC=CCCCCCCCC(=O)OC FEUQNCSVHBHROZ-UHFFFAOYSA-N 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 description 1
- 235000010265 sodium sulphite Nutrition 0.000 description 1
- 238000010186 staining Methods 0.000 description 1
- 239000008117 stearic acid Substances 0.000 description 1
- 229940012831 stearyl alcohol Drugs 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 229940014800 succinic anhydride Drugs 0.000 description 1
- 150000003457 sulfones Chemical class 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- JSPLKZUTYZBBKA-UHFFFAOYSA-N trioxidane Chemical class OOO JSPLKZUTYZBBKA-UHFFFAOYSA-N 0.000 description 1
- ZXAUZSQITFJWPS-UHFFFAOYSA-J zirconium(4+);disulfate Chemical compound [Zr+4].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O ZXAUZSQITFJWPS-UHFFFAOYSA-J 0.000 description 1
- DTOSIQBPPRVQHS-UHFFFAOYSA-N α-Linolenic acid Chemical compound CCC=CCC=CCC=CCCCCCCCC(O)=O DTOSIQBPPRVQHS-UHFFFAOYSA-N 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
- C14C3/00—Tanning; Compositions for tanning
-
- 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
- C14C3/00—Tanning; Compositions for tanning
- C14C3/02—Chemical tanning
Definitions
- the present invention relates to leather treatment agents, their production and their use for the production of soft leather.
- the manufacturing process of the leather treatment agent and its use for the production of soft leather form further subject matter of the invention.
- Component (a) is known per se.
- DE-OS-1,669,347 the esterification of alcoholic hydroxyl groups and lipophilic residues containing fat or oil-containing compounds with maleic anhydride.
- the fatty acids of component (a) have 6 to 24, preferably 12 to 24 carbon atoms and can be saturated or unsaturated, e.g. capric, lauric, myristic, palmitic or stearic acid, or decenic, dodecenic, tetradecenic, hexadecenic, oleic, linoleic, linolenic or ricinoleic acid.
- Suitable polyols of component (a) are 2- to 6-valent aliphatic alcohols having 2 to 18, preferably 2 to 12, carbon atoms. They are, in particular, glycerol, trimethylolpropane, erythritol, mannitol, pentaerythritol and sorbitol.
- the dicarboxylic acids of component (a) can be aliphatically saturated, ethylenically unsaturated or aromatic. Suitable aliphatically saturated dicarboxylic acids are malonic acid, succinic acid or higher homologues such as glutaric acid, adipic acid or pimelic acid or their anhydrides.
- Ethylenically unsaturated dicarboxylic acids are preferably fumaric acid, maleic acid or itaconic acid, furthermore mesaconic acid, citraconic acid, glutaconic acid and methylene malonic acid.
- Maleic anhydride is particularly mentioned as the anhydride of these acids.
- Suitable aromatic dicarboxylic acids are phthalic acid, isophthalic acid, terephthalic acid and their anhydrides.
- fatty alcohols are those with 12 to 24, preferably 12 to 22 carbon atoms. These alcohols can be saturated or unsaturated and branched or straight-chain and can be used alone or in a mixture. Natural alcohols such as e.g. Myristyl alcohol, cetyl alcohol, stearyl alcohol or oleyl alcohol or synthetic alcohols, e.g. Oxo-alcohols such as, in particular, 2-ethylhexanol, furthermore trimethylhexanol, trimethylnonyl alcohol, hexadecyl alcohol or alfoles can be used.
- Natural alcohols such as e.g. Myristyl alcohol, cetyl alcohol, stearyl alcohol or oleyl alcohol or synthetic alcohols, e.g. Oxo-alcohols such as, in particular, 2-ethylhexanol, furthermore trimethylhexanol, trimethylnonyl alcohol, hexadecyl alcohol or alfoles can
- the focus of interest is as component (a) a reaction product of glycerol, oleic acid and maleic anhydride or a reaction product of stearyl alcohol and maleic anhydride.
- Component (a) is prepared in a manner known per se by esterifying the reaction product from a polyol and a fatty acid as defined or from a fatty alcohol or an alkoxylated fatty alcohol as defined with a dicarboxylic acid or its anhydride, the molar ratio of polyol: fatty acid: Dicarboxylic acid (or anhydride) 1: 1: 2, especially 1: 2: 1 and preferably 1: 2: 2 and the molar ratio of fatty alcohol: dicarboxylic acid (or anhydride) is 1: 1.
- the reaction products obtained can optionally be treated with an alkali or ammonium sulfite, e.g. Na2SO3, Na2S2O5, (NH4) 2SO3 or NaHSO3 can be sulfated.
- an alkali or ammonium sulfite e.g. Na2SO3, Na2S2O5, (NH4) 2SO3 or NaHSO3 can be sulfated.
- component (b) The synthetic aromatic tannins of component (b) are known per se, e.g. from Ullmann's Encyclopedia of Industrial Chemistry Vol. 16, (4) 138-140 (1979) or J. Partridge Chemical Treatment of Hides and Leather, Noyes Data Corporation, Park Ridge N.Y. 1972.
- aromatic tannins also called anionic aromatic syntans
- uncondensed precursors or the alkali metal and ammonium salts of these compounds are synthetic, anionic, aromatic tannins (also called anionic aromatic syntans), as well as their uncondensed precursors or the alkali metal and ammonium salts of these compounds.
- condensation products of types (I) - (III), (V) and (VII) - (X) are known, for example, from Ullmann's Encyclopedia of Industrial Chemistry, Vol. 16, (4), 140 (1979) and can be described in the described methods can be produced there.
- reaction product of type (VI) and its preparation are known from EP-A-0245205. These reaction products can be condensed to products of type (V) by methods known per se (cf. e.g. GB-C-683084).
- the ready-to-use tanning salts that are suitable for the optional component (c) are described in the relevant specialist literature. These are usually chromium, aluminum, iron or zirconium salts. Examples of such salts are basic chromium (III) chloride or sulfate, a chrome alum, optionally basic aluminum chloride or sulfate, an alum, iron (III) chloride or sulfate, zirconium oxychloride and zirconium sulfate. Mixtures of the chlorine and aluminum salts mentioned are also suitable for use as component (c).
- non-tanning substances such as acidic inorganic salts, inorganic salts in combination with organic acid, non-swelling aromatic sulfonic acid, fluorosilicates or dextrin are suitable.
- non-tanning substances such as acidic inorganic salts, inorganic salts in combination with organic acid, non-swelling aromatic sulfonic acid, fluorosilicates or dextrin are suitable.
- examples of such substances are anhydrous sodium sulfate, sodium bisulfite, chrome alum and alkali fluorosilicates.
- a sodium fluorosilicate or dextrin is preferred.
- the leather treatment agent according to the invention is produced by simply mixing components (a) and (b) and, if appropriate, (c) and (d) in the presence of water, the components being mixed at temperatures between 20 and 100 ° C., preferably 20 and 90 ° C takes place. The homogeneous mixture obtained is then dried or spray-dried to a powder.
- the leather treatment composition according to the invention advantageously contains, based on the total composition, 10 to 40, preferably 25 to 35% by weight of component (a), 20 to 80, preferably 60 to 70% by weight of component (b), 0 to 50, preferably 0 to 35% by weight of component (c), 0 to 20, preferably 0 to 15% by weight of component (d), and ad 100% water.
- the new treatment agents according to the invention are particularly suitable for the production of soft leathers.
- the present application accordingly also relates to a method for treating leather.
- the process is characterized in that the treatment of these materials is carried out before or very particularly after the dyeing with the leather treatment agent according to the invention.
- the conventional methods are used to treat pale or pretanned leather with an aqueous solution which contains the treatment agent according to the invention and then treat the material thus treated in the usual way, e.g. by neutralizing, washing out, greasing and drying. If desired, staining can be done.
- 50 to 300, preferably 140 to 180 parts by weight of water and 5 to 40 parts by weight of the treatment agent according to the invention are used per 100 parts by weight of leather or leather.
- 100 parts by weight of descaled, preferably decalcified are tanned with 140 to 160 parts by weight of water and 10 to 20 parts of the treatment agent according to the invention, or 100 parts by weight in the usual manner, chrome-tanned leather neutralized with, for example, formates or bicarbonates, with 140 to 160 parts by weight of water and 5 to 15 parts retanned the treatment agent according to the invention.
- the tanned material is rinsed and, if necessary, subsequently greased with a commercially available fatliquor based on, for example, sulfonated fish oil, sperm oil or claw oil. After drying, a light, brilliant leather is obtained, which has good lightfastness, a firm, compact, smooth grain and a soft handle.
- glycerol monooleate maleate (technical) prepared according to Example 1 are (technically) in a solution of 77.3 parts of sodium salt of polyhydroxypolyphenylsulfonic sulfonic acid, 146 parts of chromium salt, which contains 81.45 parts of Cr (OH) SO4 (corresponding to 25.62 parts of chromium), and 130 parts of water.
- This mixture is sprayed into a dry powder. This gives 288.3 parts of a powder which contains 77.3 parts of phenolic tanning agent, 146 parts of chromium salt, 55 parts of fatliquor and 10 parts of water.
- the viscous emulsion obtained is mixed with a solution of 170 parts of polyhydroxypolyphenylsulfonic sulfonic acid, 40 parts of water and 110 parts of 48% sodium hydroxide solution. This mixture is sprayed into a dry powder. This gives 291 parts of a powder which contains 196 parts of phenolic tanning agent, 90 parts of fatliquor and 5 parts of water.
- 100 parts of decalcified veal pellet are treated with 150 parts of water and 10 parts of the composition prepared according to Example 2 for 24 hours at 20 ° C. in a rolling barrel. After about 10 hours of storage, stretching and then hanging drying, you get an excellent soft leather with a slim handle and good volume.
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)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Description
Die vorliegende Erfindung betrifft Lederbehandlungsmittel, deren Herstellung sowie deren Verwendung zur Herstellung von weichen Ledern.The present invention relates to leather treatment agents, their production and their use for the production of soft leather.
Das erfindungsgemässe Lederbehandlungsmittel ist dadurch gekennzeichnet, dass es
- (a) ein gegebenenfalls sulfiertes Umsetzungsprodukt aus einer gesättigten oder ungesättigten Fettsäure mit 6 bis 24 C-Atomen, einem Polyol mit 2 bis 18 C-Atomen und einer aliphatischen oder aromatischen Dicarbonsäure bzw. deren Anhydrid oder aus einem gegebenenfalls alkoxylierten Fettalkohol mit 12 bis 24 C-Atomen und einer Dicarbonsäure bzw. deren Anhydrid,
- (b) einen synthetischen aromatischen Gerbstoff oder dessen nicht kondensiertes Vorprodukt bzw. dessen Alkalimetall- oder Ammoniumsalz und gegebenenfalls
- (c) ein wasserlösliches Chrom-, Aluminium-, Eisen- oder Zirkoniumsalz oder deren Gemische und
- (d) ein Konditioniermittel
- (a) an optionally sulfated reaction product of a saturated or unsaturated fatty acid with 6 to 24 carbon atoms, a polyol with 2 to 18 carbon atoms and an aliphatic or aromatic dicarboxylic acid or its anhydride or from an optionally alkoxylated fatty alcohol with 12 to 24 Carbon atoms and a dicarboxylic acid or its anhydride,
- (b) a synthetic aromatic tanning agent or its uncondensed precursor or its alkali metal or ammonium salt and optionally
- (c) a water-soluble chromium, aluminum, iron or zirconium salt or mixtures thereof and
- (d) a conditioning agent
Das Herstellungsverfahren des Lederbehandlungsmittels und seine Verwendung zur Herstellung von weichen Ledern bilden weitere Erfindungsgegenstände.The manufacturing process of the leather treatment agent and its use for the production of soft leather form further subject matter of the invention.
Die Komponente (a) ist an sich bekannt. So beschreibt z.B. die DE-OS-1,669,347 die Veresterung von alkoholischen Hydroxylgruppen sowie lipophile Reste enthaltenden fett- oder ölhaltigen Verbindungen mit Maleinsäureanhydrid.Component (a) is known per se. For example, DE-OS-1,669,347 the esterification of alcoholic hydroxyl groups and lipophilic residues containing fat or oil-containing compounds with maleic anhydride.
Die Fettsäuren der Komponente (a) weisen 6 bis 24, vorzugsweise 12 bis 24 Kohlenstoffatome auf und können gesättigt oder ungesättigt sein, wie z.B. die Caprin-, Laurin-, Myristin-, Palmitin- oder Stearinsäure, bzw. die Decen-, Dodecen-, Tetradecen-, Hexadecen-, Oel-, Linol-, Linolen- oder Rizinolsäure.The fatty acids of component (a) have 6 to 24, preferably 12 to 24 carbon atoms and can be saturated or unsaturated, e.g. capric, lauric, myristic, palmitic or stearic acid, or decenic, dodecenic, tetradecenic, hexadecenic, oleic, linoleic, linolenic or ricinoleic acid.
Geeignete Polyole der Komponente (a) stellen 2- bis 6-wertige aliphatische Alkohole mit 2 bis 18, vorzugsweise 2 bis 12 Kohlenstoffatomen dar. Es sind insbesondere Glycerin, Trimethylolpropan, Erythrit, Mannit, Pentaerythrit und Sorbit. Die Dicarbonsäuren der Komponente (a) können aliphatisch gesättigt, ethylenisch ungesättigt oder aromatisch sein. Als aliphatisch gesättigte Dicarbonsäuren kommen die Malonsäure, Bernsteinsäure oder höhere Homologe wie die Glutarsäure, Adipinsäure oder Pimelinsäure oder ihre Anhydride in Betracht. Ethylenisch ungesättigte Dicarbonsäuren sind vorzugsweise die Fumarsäure, Maleinsäure oder Itaconsäure, ferner die Mesaconsäure, Citraconsäure, Glutaconsäure und Methylenmalonsäure. Als Anhydrid dieser Säuren sei insbesondere Maleinsäurenanhydrid genannt. Als aromatische Dicarbonsäure kommen die Phthalsäure, Isophthalsäure, Terephthalsäure sowie ihre Anhydride in Betracht.Suitable polyols of component (a) are 2- to 6-valent aliphatic alcohols having 2 to 18, preferably 2 to 12, carbon atoms. They are, in particular, glycerol, trimethylolpropane, erythritol, mannitol, pentaerythritol and sorbitol. The dicarboxylic acids of component (a) can be aliphatically saturated, ethylenically unsaturated or aromatic. Suitable aliphatically saturated dicarboxylic acids are malonic acid, succinic acid or higher homologues such as glutaric acid, adipic acid or pimelic acid or their anhydrides. Ethylenically unsaturated dicarboxylic acids are preferably fumaric acid, maleic acid or itaconic acid, furthermore mesaconic acid, citraconic acid, glutaconic acid and methylene malonic acid. Maleic anhydride is particularly mentioned as the anhydride of these acids. Suitable aromatic dicarboxylic acids are phthalic acid, isophthalic acid, terephthalic acid and their anhydrides.
Als definitionsgemässe Fettalkohole kommen solche mit 12 bis 24, vorzugsweise 12 bis 22 Kohlenstoffatomen in Betracht. Diese Alkohole können gesättigt oder ungesättigt und verzweigt oder geradkettig sein und können allein oder im Gemisch eingesetzt werden. Es können ferner natürliche Alkohole wie z.B. Myristylalkohol, Cetylalkohol, Stearylalkohol oder Oleylalkohol oder synthetische Alkohole, z.B. Oxo-Alkohole wie insbesondere 2-Ethylhexanol, ferner Trimethylhexanol, Trimethylnonylalkohol, Hexadecylalkohol oder Alfole verwendet werden.As definition fatty alcohols are those with 12 to 24, preferably 12 to 22 carbon atoms. These alcohols can be saturated or unsaturated and branched or straight-chain and can be used alone or in a mixture. Natural alcohols such as e.g. Myristyl alcohol, cetyl alcohol, stearyl alcohol or oleyl alcohol or synthetic alcohols, e.g. Oxo-alcohols such as, in particular, 2-ethylhexanol, furthermore trimethylhexanol, trimethylnonyl alcohol, hexadecyl alcohol or alfoles can be used.
Im Vordergrund des Interesses steht als Komponente (a) ein Umsetzungsprodukt aus Glycerin, Oelsäure und Maleinsäureanhydrid bzw. ein Umsetzungsprodukt aus Stearylalkohol und Maleinsäureanhydrid.The focus of interest is as component (a) a reaction product of glycerol, oleic acid and maleic anhydride or a reaction product of stearyl alcohol and maleic anhydride.
Die Herstellung der Komponente (a) erfolgt in an sich bekannter Weise durch Veresterung des Umsetzungsproduktes aus einem definitionsgemässen Polyol und einer Fettsäure oder aus einem definitionsgemässen Fettalkohol bzw. einem alkoxylierten Fettalkohol mit einer definitionsgemässen Dicarbonsäure bzw. deren Anhydrid, wobei das Molverhältnis Polyol:Fettsäure:Dicarbonsäure (bzw. Anhydrid) 1:1:2, besonders 1:2:1 und vorzugsweise 1:2:2 und das Molverhältnis Fettalkohol:Dicarbonsäure (bzw. Anhydrid) 1:1 beträgt. Die erhaltenen Umsetzungsprodukte können gegebenenfalls mit einem Alkali- oder Ammoniumsulfit, z.B. Na₂SO₃, Na₂S₂O₅, (NH₄)₂SO₃ oder NaHSO₃ sulfiert werden.Component (a) is prepared in a manner known per se by esterifying the reaction product from a polyol and a fatty acid as defined or from a fatty alcohol or an alkoxylated fatty alcohol as defined with a dicarboxylic acid or its anhydride, the molar ratio of polyol: fatty acid: Dicarboxylic acid (or anhydride) 1: 1: 2, especially 1: 2: 1 and preferably 1: 2: 2 and the molar ratio of fatty alcohol: dicarboxylic acid (or anhydride) is 1: 1. The reaction products obtained can optionally be treated with an alkali or ammonium sulfite, e.g. Na₂SO₃, Na₂S₂O₅, (NH₄) ₂SO₃ or NaHSO₃ can be sulfated.
Die synthetischen aromatischen Gerbstoffe der Komponente (b) sind an sich bekannt, z.B. aus Ullmanns Enzyklopädie der technischen Chemie Bd. 16, (4) 138-140 (1979) oder J. Partridge Chemical Treatment of Hides and Leather, Noyes Data Corporation, Park Ridge N.Y. 1972.The synthetic aromatic tannins of component (b) are known per se, e.g. from Ullmann's Encyclopedia of Industrial Chemistry Vol. 16, (4) 138-140 (1979) or J. Partridge Chemical Treatment of Hides and Leather, Noyes Data Corporation, Park Ridge N.Y. 1972.
Von besonderer Bedeutung sind synthetische, anionische, aromatische Gerbstoffe (auch anionische aromatische Syntane genannt), sowie deren nicht kondensierte Vorprodukte bzw. die Alkalimetall- und Ammoniumsalze dieser Verbindungen.Of particular importance are synthetic, anionic, aromatic tannins (also called anionic aromatic syntans), as well as their uncondensed precursors or the alkali metal and ammonium salts of these compounds.
Als Vorprodukte kommen z.B. Naphthalin, Diphenyl, Terphenyl, Phenole, Kresole, 4,4′-Dihydroxidiphenylsulfon, β-Naphthol, Dihydroxibenzole, Resorcin, 2,2′-Bis-(hydroxyphenyl)-propan und Diarylether wie Diphenylether und Ditolylether in Betracht, die in an sich bekannter Weise zu den anionischen nicht kondensierten Vorprodukten sulfoniert werden.As preliminary products e.g. Naphthalene, diphenyl, terphenyl, phenols, cresols, 4,4'-dihydroxidiphenyl sulfone, β-naphthol, dihydroxy benzenes, resorcinol, 2,2'-bis (hydroxyphenyl) propane and diaryl ethers such as diphenyl ether and ditolyl ether, which are considered in themselves be sulfonated in a known manner to form the anionic uncondensed precursors.
Als anionische aromatische Syntane sind jene zu erwähnen, welche durch Kondensation der sulfonierten Vorprodukte allein oder zusammen mit weiteren, meist unsulfonierten Vorprodukten mit Formaldehyd und/oder Harnstoff erhältlich sind, wie z.B.
- (I) Kondensationsprodukte aus sulfoniertem Phenol oder Kresol und Formaldehyd,
- (II) Kondensationsprodukte aus Naphthalinsulfonsäure und Formaldehyd,
- (III) Formaldehyd-Kondensationsprodukte von 4,4′-Dihydroxydiphenylsulfonen mit (Hydroxy)arylsulfonsäuren,
- (IV) Formaldehyd-Kondensationsprodukte von sulfogruppenhaltigen aromatischen Hydroxyverbindungen mit Aralkylhalogeniden,
- (V) Harnstoff-Formaldehyd-Kondensationsprodukte von Phenolen und Phenolsulfonsäuren,
- (VI) Umsetzungsprodukt aus Phenol und einem Sulfonierungsmittel, wobei das Molverhältnis (Phenol):(SO₃) (1):(1,1-2,2) beträgt.
- (VII) Kondensationsprodukte aus sulfonierten Diarylethern und Formaldehyd,
- (VIII) Kondensationsprodukte aus sulfonierten Di- oder Terphenylen und Formaldehyd,
- (IX) Kondensationsprodukte aus 4,4′-Dihydroxydiphenylsulfon und sulfoniertem 4,4′-Dihydroxydiphenylsulfon mit Formaldehyd und
- (X) Formaldehyd-Kondensationsprodukte aus Diarylethersulfonsäure und 4,4′-Dihydroxydiphenylsulfon.
- (I) condensation products of sulfonated phenol or cresol and formaldehyde,
- (II) condensation products of naphthalenesulfonic acid and formaldehyde,
- (III) formaldehyde condensation products of 4,4'-dihydroxydiphenyl sulfones with (hydroxy) aryl sulfonic acids,
- (IV) formaldehyde condensation products of sulfo-containing aromatic hydroxy compounds with aralkyl halides,
- (V) urea-formaldehyde condensation products of phenols and phenolsulfonic acids,
- (VI) reaction product of phenol and a sulfonating agent, the molar ratio (phenol) :( SO₃) (1) :( 1.1-2.2).
- (VII) condensation products from sulfonated diaryl ethers and formaldehyde,
- (VIII) condensation products of sulfonated di- or terphenylene and formaldehyde,
- (IX) condensation products from 4,4'-dihydroxydiphenyl sulfone and sulfonated 4,4'-dihydroxydiphenyl sulfone with formaldehyde and
- (X) formaldehyde condensation products from diaryl ether sulfonic acid and 4,4'-dihydroxydiphenyl sulfone.
Die Kondensationsprodukte der Typen (I)-(III), (V) und (VII)-(X) sind z.B. aus Ullmanns Enzyklopädie der technischen Chemie Bd. 16, (4), 140 (1979) bekannt und können nach den in den dort angegehenen Referenzen beschriebenen Verfahren hergestellt werden.The condensation products of types (I) - (III), (V) and (VII) - (X) are known, for example, from Ullmann's Encyclopedia of Industrial Chemistry, Vol. 16, (4), 140 (1979) and can be described in the described methods can be produced there.
Kondensationsprodukte des Typs (IV) und deren Herstellung sind aus GB-C-986621 bekannt.Condensation products of type (IV) and their preparation are known from GB-C-986621.
Kondensationsprodukte des Typs (V) und deren Herstellung sind aus GB-C-890150 und 935678 bekannt.Condensation products of type (V) and their production are known from GB-C-890150 and 935678.
Das Umsetzungsprodukt des Typs (VI) und dessen Herstellung sind aus EP-A-0245205 bekannt. Diese Umsetzungsprodukte können nach an sich bekannten Methoden zu Produkten des Typs (V) kondensiert werden (vgl. z.B. GB-C-683084).The reaction product of type (VI) and its preparation are known from EP-A-0245205. These reaction products can be condensed to products of type (V) by methods known per se (cf. e.g. GB-C-683084).
Die für die fakultative Komponente (c) in Betracht kommenden gebrauchsfertigen Gerbesalze sind in der einschlägigen Fachliteratur beschrieben. Es handelt sich hierbei in der Regel um Chrom-, Aluminium-, Eisen- oder Zirkoniumsalze. Als Beispiele solcher Salze sei basisches Chrom(III)-chlorid oder -sulfat, ein Chromalaun, gegebenenfalls basisches Aluminiumchlorid oder -sulfat, ein Alaun, Eisen(III)-chlorid oder -sulfat, Zirkonoxychlorid und Zirkoniumsulfat genannt. Auch Gemische der genannten Chlor- und Aluminiumsalze eignen sich gut dazu, als Komponente (c) eingesetzt zu werden. Bevorzugt sind indessen [CrCl₂(OH₂)₄]Cl·2 H₂O, [Cr(OH₂)₆]Cl₃, Cr(OH)SO₄, Cr₂(OH)₄SO₄, KCr(SO₄)₂·12 H₂O und Fe₂(SO₄)₃·9 H₂O.The ready-to-use tanning salts that are suitable for the optional component (c) are described in the relevant specialist literature. These are usually chromium, aluminum, iron or zirconium salts. Examples of such salts are basic chromium (III) chloride or sulfate, a chrome alum, optionally basic aluminum chloride or sulfate, an alum, iron (III) chloride or sulfate, zirconium oxychloride and zirconium sulfate. Mixtures of the chlorine and aluminum salts mentioned are also suitable for use as component (c). Preferred are, however, [CrCl₂ (OH₂) ₄] Cl · 2 H₂O, [Cr (OH₂) ₆] Cl₃, Cr (OH) SO₄, Cr₂ (OH) ₄SO₄, KCr (SO₄) ₂ · 12 H₂O and Fe₂ (SO₄) ₃ · 9 H₂O.
Sofern die fakultative Komponente (d) in dem erfindungsgemässen Lederbehandlungsmittel mitverwendet wird, kommen nicht gerbende Stoffe in Betracht wie saure anorganische Salze, anorganische Salze in Verbindung mit organischer Säure, nichtschwellende aromatische Sulfonsäure, Fluorsilikate oder Dextrin. Beispiele für solche Stoffe sind wasserfreies Natriumsulfat, Natriumbisulfit, Chromalaun und Alkalifluorsilikate. Bevorzugt kommt ein Natriumfluorsilikat oder Dextrin in Betracht.If the optional component (d) is also used in the leather treatment agent according to the invention, non-tanning substances such as acidic inorganic salts, inorganic salts in combination with organic acid, non-swelling aromatic sulfonic acid, fluorosilicates or dextrin are suitable. Examples of such substances are anhydrous sodium sulfate, sodium bisulfite, chrome alum and alkali fluorosilicates. A sodium fluorosilicate or dextrin is preferred.
Die Herstellung des erfindungsgemässen Lederbehandlungsmittels erfolgt durch einfaches Mischen der Komponenten (a) und (b) und gegebenenfalls (c) und (d) in Gegenwart von Wasser, wobei das Mischen der Komponenten bei Temperaturen zwischn 20 und 100°C, vorzugsweise 20 und 90°C erfolgt. Die erhaltene homogene Mischung wird anschliessend getrocknet bzw. zu einem Pulver sprühgetrocknet.The leather treatment agent according to the invention is produced by simply mixing components (a) and (b) and, if appropriate, (c) and (d) in the presence of water, the components being mixed at temperatures between 20 and 100 ° C., preferably 20 and 90 ° C takes place. The homogeneous mixture obtained is then dried or spray-dried to a powder.
Das erfindungsgemässe Lederbehandlungsmittel enthält mit Vorteil, bezogen auf das gesamte Mittel,
10 bis 40, vorzugsweise 25 bis 35 Gew.-% der Komponente (a),
20 bis 80, vorzugsweise 60 bis 70 Gew.-% der Komponente (b),
0 bis 50, vorzugsweise 0 bis 35 Gew.-% der Komponente (c),
0 bis 20, vorzugsweise 0 bis 15 Gew.-% der Komponente (d),
und ad 100 % Wasser.The leather treatment composition according to the invention advantageously contains, based on the total composition,
10 to 40, preferably 25 to 35% by weight of component (a),
20 to 80, preferably 60 to 70% by weight of component (b),
0 to 50, preferably 0 to 35% by weight of component (c),
0 to 20, preferably 0 to 15% by weight of component (d),
and ad 100% water.
Die neuen, erfindungsgemässen Behandlungsmittel eignen sich besonders zur Herstellung von weichen Ledern.The new treatment agents according to the invention are particularly suitable for the production of soft leathers.
Gegenstand der vorliegenden Anmeldung ist demnach auch ein Verfahren zur Behandlung von Ledern. Das Verfahren ist dadurch gekennzeichnet, dass man die Behandlung dieser Materialien vor, oder ganz besonders nach der Färbung mit dem erfindungsgemässen Lederbehandlungsmittel vornimmt.The present application accordingly also relates to a method for treating leather. The process is characterized in that the treatment of these materials is carried out before or very particularly after the dyeing with the leather treatment agent according to the invention.
Hierbei geht man nach konventionellen Methoden so vor, dass man Blösse oder vorgegerbtes Leder mit einer wässrigen Lösung behandelt, welche das erfindungsgemässe Behandlungsmittel enthält und anschliessend das so behandelte Material auf übliche Weise z.B. durch Neutralisieren, Auswaschen, Fetten und Trocknen fertigstellt. Falls erwünscht, kann eine Färbung durchgeführt werden. In der Regel werden auf 100 Gewichtsteile Blösse oder Leder 50 bis 300, vorzugsweise 140 bis 180 Gewichtsteile Wasser und 5 bis 40 Gewichtsteile des erfindungsgemässen Behandlungsmittels eingesetzt.The conventional methods are used to treat pale or pretanned leather with an aqueous solution which contains the treatment agent according to the invention and then treat the material thus treated in the usual way, e.g. by neutralizing, washing out, greasing and drying. If desired, staining can be done. As a rule, 50 to 300, preferably 140 to 180 parts by weight of water and 5 to 40 parts by weight of the treatment agent according to the invention are used per 100 parts by weight of leather or leather.
Im Einzelnen werden 100 Gewichtsteile vorzugsweise entkalkte Blösse mit 140 bis 160 Gewichtsteilen Wasser und 10 bis 20 Teilen des erfindungsgemässen Behandlungsmittels gegerbt oder 100 Gewichtsteile auf übliche Art und Weise mit z.B. Formiaten oder Bicarbonaten neutralisiertes chromgegerbtes Leder mit 140 bis 160 Gewichtsteilen Wasser und 5 bis 15 Teilen des erfindungsgemässen Behandlungsmittels nachgegerbt. Das gegerbte Material wird nachgespült und gegebenenfalls anschliessend mit einem handelsüblichen Fettungsmittel auf der Basis von z.B. sulfoniertem Fischöl, Spermöl oder Klauenöl gefettet. Nach dem Trocknen erhält man ein helles, brillantes Leder, welches eine gute Lichtechtheit, einen festen, kompakten, glatten Narben und einen weichen Griff aufweist.Specifically, 100 parts by weight of descaled, preferably decalcified, are tanned with 140 to 160 parts by weight of water and 10 to 20 parts of the treatment agent according to the invention, or 100 parts by weight in the usual manner, chrome-tanned leather neutralized with, for example, formates or bicarbonates, with 140 to 160 parts by weight of water and 5 to 15 parts retanned the treatment agent according to the invention. The tanned material is rinsed and, if necessary, subsequently greased with a commercially available fatliquor based on, for example, sulfonated fish oil, sperm oil or claw oil. After drying, a light, brilliant leather is obtained, which has good lightfastness, a firm, compact, smooth grain and a soft handle.
Die in den nachfolgenden Beispielen angegebenen Prozente und Teile beziehen sich stets auf das Gewicht.The percentages and parts given in the examples below always relate to the weight.
83 Teile (0,215 Mol) Glycerinmonooleat (technisch) werden in einem mit Stickstoffspülung, Rührung und Thermometer versehenen 750 ml Sulfierkolben vorgelegt und bei 85°C mit 21 Teilen (0,215 Mol) Maleinsäureanhydrid versetzt. Nach dem Aufschmelzen des Anhydrids wird noch 1 Stunde bei 100°C gehalten. Der entstandene Maleinsäurehalbester wird bei ca. 60°C in eine Lösung aus 300 Teilen Polyhydroxypolyphenylsulfonsulfonsäure (vgl. EP-A- 0 245 205), 100 Teilen Wasser und 118 Teilen 48%-ige Natronlauge gegehen. Diese Mischung wird zu einem trockenen Pulver versprüht. Man erhält 442,3 Teile eines Pulvers, das 324 Teile phenolischen Gerbstoff, 108,3 Teile Fettungsmittel und 10 Teile Wasser enthält.83 parts (0.215 mol) of glycerol monooleate (technical) are placed in a 750 ml sulfonation flask equipped with nitrogen flushing, stirring and a thermometer, and 21 parts (0.215 mol) of maleic anhydride are added at 85.degree. After the anhydride has melted, the mixture is kept at 100 ° C. for 1 hour. The resulting maleic acid half-ester is dissolved in a solution of 300 parts of polyhydroxypolyphenylsulfone sulfonic acid (cf. EP-A-0 245 205), 100 parts of water and 118 parts of 48% sodium hydroxide solution at about 60 ° C. This mixture is sprayed into a dry powder. This gives 442.3 parts of a powder which contains 324 parts of phenolic tanning agent, 108.3 parts of fatliquor and 10 parts of water.
55 Teile des nach Beispiel 1 hergestellten Glycerinmonooleatmaleinsäurehalbesters (technisch) werden in eine Lösung aus 77,3 Teilen Natriumsalz von Polyhydroxypolyphenylsulfon-sulfonsäure, 146 Teilen Chromsalz, das 81,45 Teile Cr(OH)SO₄ (entsprechend 25,62 Teilen Chrom) enthält, und 130 Teilen Wasser gegeben. Diese Mischung wird zu einem trockenen Pulver versprüht. Man erhält 288,3 Teile eines Pulvers, das 77,3 Teile phenolischen Gerbstoff, 146 Teile Chromsalz, 55 Teile Fettungsmittel und 10 Teile Wasser enthält.55 parts of the glycerol monooleate maleate (technical) prepared according to Example 1 are (technically) in a solution of 77.3 parts of sodium salt of polyhydroxypolyphenylsulfonic sulfonic acid, 146 parts of chromium salt, which contains 81.45 parts of Cr (OH) SO₄ (corresponding to 25.62 parts of chromium), and 130 parts of water. This mixture is sprayed into a dry powder. This gives 288.3 parts of a powder which contains 77.3 parts of phenolic tanning agent, 146 parts of chromium salt, 55 parts of fatliquor and 10 parts of water.
50 Teile (0,18 Mol) Stearylalkohol werden in einem mit Stickstoffspülung, Rührung und Thermometer versehenen 1 l Sulfierkolben vorgelegt und bei 70°C mit 18,3 Teilen (0,18 Mol) Maleinsäureanhydrid versetzt. Nach dem Aufschmelzen wird noch 1 1/2 Stunde bei 90°C gehalten. Der entstandene Maleinsäurehalbester wird bei ca. 70°C in eine Losung von 17,6 Teilen (0,09 Mol) Natriumpyrosulfit in 163,5 Teilen Wasser und 20 Teilen 50%-iger Kalilauge gegeben und bei 90°C noch 2 Stunden gerührt. Die erhaltene dickflüssige Emulsion wird mit einer Lösung aus 170 Teilen Polyhydroxypolyphenylsulfon-sulfonsäure, 40 Teilen Wasser und 110 Teilen 48%-ige Natronlauge gemischt. Diese Mischung wird zu einem trockenen Pulver versprüht. Man erhält 291 Teile eines Pulvers, das 196 Teile phenolischen Gerbstoff, 90 Teile Fettungsmittel und 5 Teile Wasser enthält.50 parts (0.18 mol) of stearyl alcohol are placed in a 1 l sulphonation flask provided with nitrogen flushing, stirring and a thermometer, and 18.3 parts (0.18 mol) of maleic anhydride are added at 70.degree. After melting, the mixture is held at 90 ° C. for 1 1/2 hours. The resulting maleic acid half-ester is placed at about 70 ° C. in a solution of 17.6 parts (0.09 mol) of sodium pyrosulfite in 163.5 parts of water and 20 parts of 50% potassium hydroxide solution and stirred at 90 ° C. for a further 2 hours. The viscous emulsion obtained is mixed with a solution of 170 parts of polyhydroxypolyphenylsulfonic sulfonic acid, 40 parts of water and 110 parts of 48% sodium hydroxide solution. This mixture is sprayed into a dry powder. This gives 291 parts of a powder which contains 196 parts of phenolic tanning agent, 90 parts of fatliquor and 5 parts of water.
108,3 Teile des nach Beispiel 1 hergestellten Natriumsalzes von Glycerinmonooleatmaleinsäurehalbester (technisch) werden in einer Mischung aus 348 Teilen eines Natriumsalzes von Formaldehyd-Polyhydroxypolyphenylsulfon-sulfonsäure-Kondensat (vgl. DP-C-961 351), 70 Teilen Natriumfluorsilikat und 300 Teilen Wasser gegeben. Diese Mischung wird zu einem trockenen Pulver versprüht. Man erhält 546,3 Teile eines Pulvers, das 348 Teile phenolischen Gerbstoff, 108,3 Teile Fettungsmittel, 70 Teile Natriumfluorsilikat und 20 Teile Wasser enthält.108.3 parts of the sodium salt of glycerol monooleate maleate (technical grade) prepared according to Example 1 are mixed in a mixture of 348 parts of a sodium salt of formaldehyde-polyhydroxypolyphenylsulfone-sulfonic acid condensate (cf. DP-C-961 351), 70 parts of sodium fluorosilicate and 300 parts of water given. This mixture is sprayed into a dry powder. This gives 546.3 parts of a powder which contains 348 parts of phenolic tanning agent, 108.3 parts of fatliquor, 70 parts of sodium fluorosilicate and 20 parts of water.
114 Teile (0,30 Mol) Sorbitmonolaurat (technisch) werden in einem mit Stickstoffspülung, Rührung und Thermometer versehenen 750 ml Sulfierkolben vorgelegt und bei 95°C mit 30 Teilen (0,30 Mol) Bernsteinsäureanhydrid versetzt. Nach dem Aufschmelzen des Anhydrids wird noch 1 Stunde bei 100°C gehalten. Der entstandene Bernsteinsäurehalbester wird bei 60°C in eine Lösung aus 340 Teilen Polyhydroxypolyphenylsulfonsäure (vgl. EP. A-0 245 205), 150 Teilen Wasser und ca 162 Teilen 48 %-ige Natronlauge gegeben. Diese Mischung wird einem trockenen Pulver versprüht. Man erhält 535 Teile eines Pulvers, das 367 Teile phenolischen Gerbstoff, 156 Teile Fettungsmittel und 12 Teile Wasser enthält.114 parts (0.30 mol) of sorbitol monolaurate (technical) are placed in a 750 ml sulfonation flask equipped with nitrogen purging, stirring and a thermometer, and 30 parts (0.30 mol) of succinic anhydride are added at 95.degree. After the anhydride has melted, the mixture is kept at 100 ° C. for 1 hour. The resulting succinic acid half-ester is placed at 60 ° C. in a solution of 340 parts of polyhydroxypolyphenylsulfonic acid (cf. EP. A-0 245 205), 150 parts of water and approx. 162 parts of 48% sodium hydroxide solution. This mixture is sprayed onto a dry powder. This gives 535 parts of a powder which contains 367 parts of phenolic tanning agent, 156 parts of fatliquor and 12 parts of water.
100 Teile entkalkte Kalbsblösse Werden mit 150 Teilen Wasser und 10 Teilen der gemäss Beispiel 2 hergestellten Zusammensetzung während 24 Stunden bei 20°C im rollenden Fass behandelt. Nach ca. 10 Stunden lagern, ausrecken und anschliessendem Hängetrocknen erhält man ein hervorragendes weiches Leder mit schmalzigem Griff und guter Fülle.100 parts of decalcified veal pellet are treated with 150 parts of water and 10 parts of the composition prepared according to Example 2 for 24 hours at 20 ° C. in a rolling barrel. After about 10 hours of storage, stretching and then hanging drying, you get an excellent soft leather with a slim handle and good volume.
Nach dem Auswaschen von 100 Teilen gefalztem, neutralisiertem Chromnarbenkalbsleder wird das Leder mit 1 Teil des Lederfarbstoffes C.I. Acid Brown 189, 20 Minuten bei 50°C gefärbt dann mit 10 Teilen der gemäss Beispiel 1 hergestellten Zusammensetzung während 1 Stunde bei 50°C nachhehandelt. Nach Ansäuern mit 0,5 Teilen 85%-iger Ameisensäure, 10 Stunden lagern, ausrecken, vakuumantrocknen, 1 Minute bei 75°C und anschliessendem Hängetrocknen erhält man ohne weitere Weichmachung ein braun gefärbtes, brillantes weiches Leder mit guter Fülle.After washing out 100 parts of folded, neutralized chrome grain calf leather, the leather is washed with 1 part of the leather dye C.I. Acid Brown 189, dyed for 20 minutes at 50 ° C. then treated with 10 parts of the composition prepared according to Example 1 for 1 hour at 50 ° C. After acidification with 0.5 part of 85% formic acid, store for 10 hours, stretch, vacuum dry, 1 minute at 75 ° C and then hang-dry, without further softening, a brown-colored, brilliant soft leather with good fullness is obtained.
Claims (21)
(a) ein gegebenenfalls sulfiertes Umsetzungsprodukt aus einer gesättigten oder ungesättigten Fettsäure mit 6 bis 24 C-Atomen, einem Polyol mit 2 bis 18 C-Atomen und einer aliphatischen oder aromatischen Dicarbonsäure bzw. deren Anhydrid oder aus einem gegebenenfalls alkoxylierten Fettalkohol mit 12 bis 24 C-Atomen und einer Dicarbonsäure bzw. deren Anhydrid,
(b) einen synthetischen aromatischen Gerbstoff oder dessen nicht kondensiertes Vorprodukt bzw. dessen Alkalimetall- oder Ammoniumsalze und gegebenenfalls
(c) ein wasserlösliches Chrom-, Aluminium-, Eisen- oder Zirkoniumsalz oder deren Gemische und
(d) ein Konditioniermittel
enthält.1. Leather treatment agent, characterized in that it
(a) an optionally sulfated reaction product of a saturated or unsaturated fatty acid with 6 to 24 carbon atoms, a polyol with 2 to 18 carbon atoms and an aliphatic or aromatic dicarboxylic acid or its anhydride or from an optionally alkoxylated fatty alcohol with 12 to 24 Carbon atoms and a dicarboxylic acid or its anhydride,
(b) a synthetic aromatic tanning agent or its uncondensed precursor or its alkali metal or ammonium salts and optionally
(c) a water-soluble chromium, aluminum, iron or zirconium salt or mixtures thereof and
(d) a conditioning agent
contains.
10 bis 40 Gew.% der Komponente (a),
20 bis 80 Gew.-% der Komponente (b),
0 bis 50 Gew.-% der Komponente (c) und
0 bis 20 Gew.-% der Komponente (d)
ad 100 Gew.-% Wasser
enthält.17. Leather treatment agent according to claim 1, characterized in that it
10 to 40% by weight of component (a),
20 to 80% by weight of component (b),
0 to 50% by weight of component (c) and
0 to 20% by weight of component (d)
ad 100 wt .-% water
contains.
(a) ein gegebenenfalls sulfiertes Umsetzungsprodukt aus einer gesättigten oder ungesättigten Fettsäure mit 6 bis 24 C-Atomen, einem Polyol mit 2 bis 18 C-Atomen und einer aliphatischen oder aromatischen Dicarbonsäure bzw. deren Anhydrid oder aus einem gegebenenfalls alkoxylierten Fettalkohol mit 12 bis 24 C-Atomen und einer Dicarbonsäure bzw. deren Anhydrid,
(b) einen synthetischen aromatischen Gerbstoff oder dessen nicht kondensiertes Vorprodukt bzw. dessen Alkalimetall- oder Ammoniumsalz und gegebenenfalls
(c) ein wasserlösliches Chrom-, Aluminium-, Eisen- oder Zirkoniumsalz oder deren Gemische und
(d) ein Konditioniermittel enthält.19. A method of treating leather, characterized in that these materials are treated during or after dyeing with an agent which
(a) an optionally sulfated reaction product of a saturated or unsaturated fatty acid with 6 to 24 carbon atoms, a polyol with 2 to 18 carbon atoms and an aliphatic or aromatic dicarboxylic acid or its anhydride or from an optionally alkoxylated fatty alcohol with 12 to 24 Carbon atoms and a dicarboxylic acid or its anhydride,
(b) a synthetic aromatic tanning agent or its uncondensed precursor or its alkali metal or ammonium salt and optionally
(c) a water-soluble chromium, aluminum, iron or zirconium salt or mixtures thereof and
(d) contains a conditioning agent.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH361388 | 1988-09-28 | ||
| CH3613/88 | 1988-09-28 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP0362134A2 true EP0362134A2 (en) | 1990-04-04 |
| EP0362134A3 EP0362134A3 (en) | 1992-01-08 |
| EP0362134B1 EP0362134B1 (en) | 1994-11-30 |
Family
ID=4259749
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP89810707A Expired - Lifetime EP0362134B1 (en) | 1988-09-28 | 1989-09-19 | Leather treating agent |
Country Status (9)
| Country | Link |
|---|---|
| EP (1) | EP0362134B1 (en) |
| JP (1) | JPH02133500A (en) |
| KR (1) | KR900004943A (en) |
| AR (1) | AR245225A1 (en) |
| BR (1) | BR8904924A (en) |
| DE (1) | DE58908686D1 (en) |
| ES (1) | ES2064485T3 (en) |
| MX (1) | MX170257B (en) |
| PT (1) | PT91819B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101948714A (en) * | 2010-09-13 | 2011-01-19 | 四川省什邡市亭江精细化工有限公司 | Method for preparing cation synthetic sperm oil fat liquor |
| CN103290148A (en) * | 2013-06-13 | 2013-09-11 | 浙江金鑫皮革有限公司 | Process for making goat denim line simulated upper leather |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1669347A1 (en) * | 1967-03-25 | 1971-05-06 | Henkel & Cie Gmbh | Process for greasing leather |
| FR2348975A1 (en) * | 1976-04-23 | 1977-11-18 | Jallatte Sa | Alkali resistant leather prodn. in three stage treatment - by retanning, nourishing and waterproofing |
| EP0165481A1 (en) * | 1984-05-24 | 1985-12-27 | Henkel Kommanditgesellschaft auf Aktien | Method for the manufacture of leather and pelts |
| EP0193832A1 (en) * | 1985-03-01 | 1986-09-10 | Henkel Kommanditgesellschaft auf Aktien | Method for the manufacture of waterproof leather or fur |
-
1989
- 1989-09-19 EP EP89810707A patent/EP0362134B1/en not_active Expired - Lifetime
- 1989-09-19 ES ES89810707T patent/ES2064485T3/en not_active Expired - Lifetime
- 1989-09-19 DE DE58908686T patent/DE58908686D1/en not_active Expired - Fee Related
- 1989-09-26 AR AR89315017A patent/AR245225A1/en active
- 1989-09-26 MX MX017690A patent/MX170257B/en unknown
- 1989-09-27 PT PT91819A patent/PT91819B/en not_active IP Right Cessation
- 1989-09-27 KR KR1019890013882A patent/KR900004943A/en not_active Application Discontinuation
- 1989-09-28 JP JP1250830A patent/JPH02133500A/en active Pending
- 1989-09-28 BR BR898904924A patent/BR8904924A/en not_active Application Discontinuation
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1669347A1 (en) * | 1967-03-25 | 1971-05-06 | Henkel & Cie Gmbh | Process for greasing leather |
| FR2348975A1 (en) * | 1976-04-23 | 1977-11-18 | Jallatte Sa | Alkali resistant leather prodn. in three stage treatment - by retanning, nourishing and waterproofing |
| EP0165481A1 (en) * | 1984-05-24 | 1985-12-27 | Henkel Kommanditgesellschaft auf Aktien | Method for the manufacture of leather and pelts |
| EP0193832A1 (en) * | 1985-03-01 | 1986-09-10 | Henkel Kommanditgesellschaft auf Aktien | Method for the manufacture of waterproof leather or fur |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101948714A (en) * | 2010-09-13 | 2011-01-19 | 四川省什邡市亭江精细化工有限公司 | Method for preparing cation synthetic sperm oil fat liquor |
| CN101948714B (en) * | 2010-09-13 | 2012-05-30 | 四川亭江新材料股份有限公司 | Method for preparing cation synthetic sperm oil fat liquor |
| CN103290148A (en) * | 2013-06-13 | 2013-09-11 | 浙江金鑫皮革有限公司 | Process for making goat denim line simulated upper leather |
| CN103290148B (en) * | 2013-06-13 | 2015-06-24 | 浙江金鑫皮革有限公司 | Process for making goat denim line simulated upper leather |
Also Published As
| Publication number | Publication date |
|---|---|
| AR245225A1 (en) | 1993-12-30 |
| EP0362134B1 (en) | 1994-11-30 |
| PT91819A (en) | 1990-03-30 |
| ES2064485T3 (en) | 1995-02-01 |
| KR900004943A (en) | 1990-04-13 |
| BR8904924A (en) | 1990-05-08 |
| JPH02133500A (en) | 1990-05-22 |
| PT91819B (en) | 1995-08-09 |
| MX170257B (en) | 1993-08-12 |
| DE58908686D1 (en) | 1995-01-12 |
| EP0362134A3 (en) | 1992-01-08 |
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