EP1416058A1 - Kondensationsprodukte zum Nachgerben von eisengegerbtem Leder - Google Patents
Kondensationsprodukte zum Nachgerben von eisengegerbtem Leder Download PDFInfo
- Publication number
- EP1416058A1 EP1416058A1 EP03023286A EP03023286A EP1416058A1 EP 1416058 A1 EP1416058 A1 EP 1416058A1 EP 03023286 A EP03023286 A EP 03023286A EP 03023286 A EP03023286 A EP 03023286A EP 1416058 A1 EP1416058 A1 EP 1416058A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- leather
- iron
- formaldehyde
- acid
- urea
- 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.)
- Withdrawn
Links
- 239000010985 leather Substances 0.000 title claims abstract description 56
- 239000007859 condensation product Substances 0.000 title claims abstract description 43
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims abstract description 36
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 29
- 239000004202 carbamide Substances 0.000 claims abstract description 16
- 229910052742 iron Inorganic materials 0.000 claims abstract description 14
- 150000001299 aldehydes Chemical class 0.000 claims abstract description 11
- 150000003672 ureas Chemical class 0.000 claims abstract description 11
- 150000002576 ketones Chemical class 0.000 claims abstract description 9
- 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 abstract description 8
- 238000004519 manufacturing process Methods 0.000 claims abstract description 5
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims description 73
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims description 30
- 238000000034 method Methods 0.000 claims description 21
- 239000002253 acid Substances 0.000 claims description 14
- WHOZNOZYMBRCBL-OUKQBFOZSA-N (2E)-2-Tetradecenal Chemical compound CCCCCCCCCCC\C=C\C=O WHOZNOZYMBRCBL-OUKQBFOZSA-N 0.000 claims description 12
- 229940044654 phenolsulfonic acid Drugs 0.000 claims description 12
- 150000001875 compounds Chemical class 0.000 claims description 10
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 claims description 7
- -1 phenol sulfonic acids Chemical class 0.000 claims description 5
- 125000005362 aryl sulfone group Chemical group 0.000 claims description 3
- SLGWESQGEUXWJQ-UHFFFAOYSA-N formaldehyde;phenol Chemical compound O=C.OC1=CC=CC=C1 SLGWESQGEUXWJQ-UHFFFAOYSA-N 0.000 abstract 1
- 229920001568 phenolic resin Polymers 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 28
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 18
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 16
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 14
- 239000000047 product Substances 0.000 description 14
- 239000003795 chemical substances by application Substances 0.000 description 11
- 238000009833 condensation Methods 0.000 description 11
- 230000005494 condensation Effects 0.000 description 11
- 239000000243 solution Substances 0.000 description 9
- 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 8
- 235000019253 formic acid Nutrition 0.000 description 8
- 238000005406 washing Methods 0.000 description 8
- 159000000014 iron salts Chemical class 0.000 description 7
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 description 6
- 150000001735 carboxylic acids Chemical class 0.000 description 6
- XNGIFLGASWRNHJ-UHFFFAOYSA-N phthalic acid Chemical compound OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 description 6
- 230000002378 acidificating effect Effects 0.000 description 5
- 150000007513 acids Chemical class 0.000 description 5
- 206010000496 acne Diseases 0.000 description 5
- 125000003118 aryl group Chemical group 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 5
- 239000000975 dye Substances 0.000 description 5
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 5
- 239000000203 mixture Substances 0.000 description 5
- 239000003921 oil Substances 0.000 description 5
- 235000019198 oils Nutrition 0.000 description 5
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 4
- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 description 4
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 4
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 4
- 239000011651 chromium Substances 0.000 description 4
- 235000021323 fish oil Nutrition 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 3
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 3
- 239000001361 adipic acid Substances 0.000 description 3
- 235000011037 adipic acid Nutrition 0.000 description 3
- 239000002585 base Substances 0.000 description 3
- 229910052804 chromium Inorganic materials 0.000 description 3
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 3
- 238000004040 coloring Methods 0.000 description 3
- 229910000358 iron sulfate Inorganic materials 0.000 description 3
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 description 3
- 239000000395 magnesium oxide Substances 0.000 description 3
- 230000035515 penetration Effects 0.000 description 3
- 150000002989 phenols Chemical class 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- 239000011734 sodium Substances 0.000 description 3
- 238000006277 sulfonation reaction Methods 0.000 description 3
- RTBFRGCFXZNCOE-UHFFFAOYSA-N 1-methylsulfonylpiperidin-4-one Chemical compound CS(=O)(=O)N1CCC(=O)CC1 RTBFRGCFXZNCOE-UHFFFAOYSA-N 0.000 description 2
- 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 description 2
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 2
- 241000283690 Bos taurus Species 0.000 description 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- VTLYFUHAOXGGBS-UHFFFAOYSA-N Fe3+ Chemical compound [Fe+3] VTLYFUHAOXGGBS-UHFFFAOYSA-N 0.000 description 2
- ZRALSGWEFCBTJO-UHFFFAOYSA-N Guanidine Chemical compound NC(N)=N ZRALSGWEFCBTJO-UHFFFAOYSA-N 0.000 description 2
- WMFOQBRAJBCJND-UHFFFAOYSA-M Lithium hydroxide Chemical compound [Li+].[OH-] WMFOQBRAJBCJND-UHFFFAOYSA-M 0.000 description 2
- 108091005804 Peptidases Proteins 0.000 description 2
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 2
- 239000004365 Protease Substances 0.000 description 2
- 102100037486 Reverse transcriptase/ribonuclease H Human genes 0.000 description 2
- DWAQJAXMDSEUJJ-UHFFFAOYSA-M Sodium bisulfite Chemical compound [Na+].OS([O-])=O DWAQJAXMDSEUJJ-UHFFFAOYSA-M 0.000 description 2
- 239000004480 active ingredient Substances 0.000 description 2
- 150000001298 alcohols Chemical class 0.000 description 2
- 150000001335 aliphatic alkanes Chemical class 0.000 description 2
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 description 2
- 229910052921 ammonium sulfate Inorganic materials 0.000 description 2
- 235000011130 ammonium sulphate Nutrition 0.000 description 2
- JFCQEDHGNNZCLN-UHFFFAOYSA-N anhydrous glutaric acid Natural products OC(=O)CCCC(O)=O JFCQEDHGNNZCLN-UHFFFAOYSA-N 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 210000000078 claw Anatomy 0.000 description 2
- 235000014113 dietary fatty acids Nutrition 0.000 description 2
- 239000000982 direct dye Substances 0.000 description 2
- 239000003995 emulsifying agent Substances 0.000 description 2
- 150000002148 esters Chemical class 0.000 description 2
- 239000003925 fat Substances 0.000 description 2
- 229930195729 fatty acid Natural products 0.000 description 2
- 239000000194 fatty acid Substances 0.000 description 2
- 150000004665 fatty acids Chemical class 0.000 description 2
- 229940013317 fish oils Drugs 0.000 description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 2
- 150000002505 iron Chemical class 0.000 description 2
- RUTXIHLAWFEWGM-UHFFFAOYSA-H iron(3+) sulfate Chemical compound [Fe+3].[Fe+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O RUTXIHLAWFEWGM-UHFFFAOYSA-H 0.000 description 2
- 229910000360 iron(III) sulfate Inorganic materials 0.000 description 2
- 239000000314 lubricant Substances 0.000 description 2
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 2
- 239000011976 maleic acid Substances 0.000 description 2
- PSZYNBSKGUBXEH-UHFFFAOYSA-N naphthalene-1-sulfonic acid Chemical class C1=CC=C2C(S(=O)(=O)O)=CC=CC2=C1 PSZYNBSKGUBXEH-UHFFFAOYSA-N 0.000 description 2
- 238000006386 neutralization reaction Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- QUBQYFYWUJJAAK-UHFFFAOYSA-N oxymethurea Chemical compound OCNC(=O)NCO QUBQYFYWUJJAAK-UHFFFAOYSA-N 0.000 description 2
- 229950005308 oxymethurea Drugs 0.000 description 2
- 239000003755 preservative agent Substances 0.000 description 2
- 230000002335 preservative effect Effects 0.000 description 2
- 239000000376 reactant Substances 0.000 description 2
- 239000011541 reaction mixture Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 150000003839 salts Chemical group 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 235000017557 sodium bicarbonate Nutrition 0.000 description 2
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 2
- 239000011780 sodium chloride Substances 0.000 description 2
- 235000010267 sodium hydrogen sulphite Nutrition 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 2
- 235000015112 vegetable and seed oil Nutrition 0.000 description 2
- 239000008158 vegetable oil Substances 0.000 description 2
- 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
- KEQGZUUPPQEDPF-UHFFFAOYSA-N 1,3-dichloro-5,5-dimethylimidazolidine-2,4-dione Chemical compound CC1(C)N(Cl)C(=O)N(Cl)C1=O KEQGZUUPPQEDPF-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
- 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
- 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 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-M Bicarbonate Chemical compound OC([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-M 0.000 description 1
- 235000000536 Brassica rapa subsp pekinensis Nutrition 0.000 description 1
- 241000499436 Brassica rapa subsp. pekinensis Species 0.000 description 1
- SGHZXLIDFTYFHQ-UHFFFAOYSA-L Brilliant Blue Chemical compound [Na+].[Na+].C=1C=C(C(=C2C=CC(C=C2)=[N+](CC)CC=2C=C(C=CC=2)S([O-])(=O)=O)C=2C(=CC=CC=2)S([O-])(=O)=O)C=CC=1N(CC)CC1=CC=CC(S([O-])(=O)=O)=C1 SGHZXLIDFTYFHQ-UHFFFAOYSA-L 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- 241001070941 Castanea Species 0.000 description 1
- 235000014036 Castanea Nutrition 0.000 description 1
- BDAGIHXWWSANSR-UHFFFAOYSA-M Formate Chemical compound [O-]C=O BDAGIHXWWSANSR-UHFFFAOYSA-M 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 229920000877 Melamine resin Polymers 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 1
- CHJJGSNFBQVOTG-UHFFFAOYSA-N N-methyl-guanidine Natural products CNC(N)=N CHJJGSNFBQVOTG-UHFFFAOYSA-N 0.000 description 1
- SLABEOONBHLKSD-UHFFFAOYSA-N O=S1(=O)C(C=C2)=CC=C2OOC2=CC=C1C=C2 Chemical compound O=S1(=O)C(C=C2)=CC=C2OOC2=CC=C1C=C2 SLABEOONBHLKSD-UHFFFAOYSA-N 0.000 description 1
- SJEYSFABYSGQBG-UHFFFAOYSA-M Patent blue Chemical compound [Na+].C1=CC(N(CC)CC)=CC=C1C(C=1C(=CC(=CC=1)S([O-])(=O)=O)S([O-])(=O)=O)=C1C=CC(=[N+](CC)CC)C=C1 SJEYSFABYSGQBG-UHFFFAOYSA-M 0.000 description 1
- 239000004902 Softening Agent Substances 0.000 description 1
- KDYFGRWQOYBRFD-UHFFFAOYSA-N Succinic acid Natural products OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 description 1
- 235000011054 acetic acid Nutrition 0.000 description 1
- 239000000980 acid dye Substances 0.000 description 1
- 150000008043 acidic salts Chemical class 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 1
- 150000001342 alkaline earth metals Chemical class 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 150000003863 ammonium salts Chemical class 0.000 description 1
- 150000005840 aryl radicals Chemical class 0.000 description 1
- 150000007514 bases Chemical class 0.000 description 1
- 150000008107 benzenesulfonic acids Chemical class 0.000 description 1
- 125000006267 biphenyl group Chemical group 0.000 description 1
- 239000001045 blue dye Substances 0.000 description 1
- KDYFGRWQOYBRFD-NUQCWPJISA-N butanedioic acid Chemical compound O[14C](=O)CC[14C](O)=O KDYFGRWQOYBRFD-NUQCWPJISA-N 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- XTHPWXDJESJLNJ-UHFFFAOYSA-N chlorosulfonic acid Substances OS(Cl)(=O)=O XTHPWXDJESJLNJ-UHFFFAOYSA-N 0.000 description 1
- 150000001844 chromium Chemical class 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000006482 condensation reaction Methods 0.000 description 1
- 229930003836 cresol Natural products 0.000 description 1
- SWSQBOPZIKWTGO-UHFFFAOYSA-N dimethylaminoamidine Natural products CN(C)C(N)=N SWSQBOPZIKWTGO-UHFFFAOYSA-N 0.000 description 1
- CZZYITDELCSZES-UHFFFAOYSA-N diphenylmethane Chemical class C=1C=CC=CC=1CC1=CC=CC=C1 CZZYITDELCSZES-UHFFFAOYSA-N 0.000 description 1
- PVAONLSZTBKFKM-UHFFFAOYSA-N diphenylmethanediol Chemical compound C=1C=CC=CC=1C(O)(O)C1=CC=CC=C1 PVAONLSZTBKFKM-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000008098 formaldehyde solution Substances 0.000 description 1
- 229940079826 hydrogen sulfite Drugs 0.000 description 1
- 150000007529 inorganic bases Chemical class 0.000 description 1
- 239000013067 intermediate product Substances 0.000 description 1
- FBAFATDZDUQKNH-UHFFFAOYSA-M iron chloride Chemical compound [Cl-].[Fe] FBAFATDZDUQKNH-UHFFFAOYSA-M 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 description 1
- 239000000434 metal complex dye Substances 0.000 description 1
- 229920003145 methacrylic acid copolymer Polymers 0.000 description 1
- 229940117841 methacrylic acid copolymer Drugs 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
- 150000007522 mineralic acids Chemical class 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 235000006408 oxalic acid Nutrition 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 235000013824 polyphenols Nutrition 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 159000000000 sodium salts Chemical class 0.000 description 1
- 230000003381 solubilizing effect Effects 0.000 description 1
- IIACRCGMVDHOTQ-UHFFFAOYSA-N sulfamic acid Chemical compound NS(O)(=O)=O IIACRCGMVDHOTQ-UHFFFAOYSA-N 0.000 description 1
- 229940061610 sulfonated phenol Drugs 0.000 description 1
- 150000003457 sulfones Chemical class 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 239000001648 tannin Substances 0.000 description 1
- 235000018553 tannin Nutrition 0.000 description 1
- 229920001864 tannin Polymers 0.000 description 1
- 238000007704 wet chemistry method 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
- C14C3/00—Tanning; Compositions for tanning
- C14C3/02—Chemical tanning
- C14C3/08—Chemical tanning by organic agents
- C14C3/18—Chemical tanning by organic agents using polycondensation products or precursors thereof
- C14C3/20—Chemical tanning by organic agents using polycondensation products or precursors thereof sulfonated
-
- 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
- C14C3/04—Mineral tanning
Definitions
- the invention relates to the use of special condensation products for retanning of iron-tanned leather, a process for retanning iron-tanned leather Leather and leather containing corresponding condensation products.
- Tanning with iron is already known cf. Stather, tanning chemistry and tanning technology, Akademie Verlag, Berlin, 1957, 474-480; Heidemann E. at al., Possibilities and limits of iron tanning, Das Leder, 1990, 8-14; Balasubramanian S. et al., Iron Complexes as Tanning Agents, JALCA, 1997, 218-224.
- the leather tanned in Heidemann was made with commercially available leather Naphthalenesulfonic acid-formaldehyde condensates (TANIGAN® BN) or Phenolic condensation products (BASYNTAN® DLX) retanned. The so obtained However, leather still leaves something to be desired in terms of its softness (see Example 7) and are not suitable for furniture leather or automotive cover leather
- the object of the present invention was therefore to provide soft iron-tanned leather.
- condensation product may consist of further Reactants in addition to A, B and optionally C was prepared.
- condensation products are only made up of A, B and possibly C.
- Phenol and formaldehyde based means that the condensate is next to phenol and formaldehyde is produced from other reactants, for example phenolsulfonic acid and urea.
- “retanning” means post-treatment from iron-tanned leather to color, levelness, softness, fullness and behavior against water (hydrophobicity) and to fix tannins.
- the iron-tanned leather is preferably also chrome-free.
- Chromium-free in the sense of the present invention does not mean with chromium salts tanned.
- the maximum amount of chromium e.g. caused by natural sources of Cr contents in animal skins or chromium-containing dyes in leather less than 2000 ppm.
- Chromium in leather is preferably less than 100 ppm.
- the leather used for retanning preferably has a shrinking temperature greater than 70 ° C, especially greater than 75 ° C.
- the iron-tanned leather also preferably has an iron content of 1 to 7 Wt .-%.
- the iron content is determined as follows: A sample of the leather becomes Preservation of the reference weight at 70 ° C in a vacuum to constant weight. Then ashed at 800 ° C, the content of Fe (III) with a commercially available Method determined by wet chemistry and calculated back to the reference weight.
- the iron content preferably results from tanning with iron salts.
- Preferred iron salts are those of iron in the +3 oxidation state, for example Iron chloride, iron sulfate, basic iron sulfate and those of iron in the Oxidation level +2 like iron sulfate. Based on the nakedness used, the is Amount of Fe (III) or Fe (II) preferably from 0.3 to 5% by weight, in particular 1 to 3% by weight.
- the use according to the invention preferably leads to leathers with a softness of greater than 15 units, preferably greater than 20, in particular greater than 30, measured according to IUP / 36, with a measuring device ST 300 from Heights Design Production Ltd., Suite, UK or an equivalent device.
- the leather obtained can improve the surface properties and physical fastness with commercially available products and machines with a polymeric film layer can be prepared, such as. B. described by W. Wenzel in Aqueos Finishing of Leather, JALCA, 1991, 442-455.
- sulfomethylated aromatics are also used as sulfonated aromatics Aromatics and biarylsulfones understood.
- Preferred sulfonated aromatics are: Naphthalenesulfonic acids, phenolsulfonic acid, sulfonated ditolyl ethers, 4,4'-dihydroxydiphenyl sulfone, sulfonated diphenylmethane, sulfonated diphenyl, sulfonated Terphenyl or benzenesulfonic acids.
- Aldehydes and / or ketones include, in particular, aliphatic, cycloaliphatic as well as aromatic in question.
- Aliphatic aldehydes are preferred, particularly preferably formaldehyde and other aliphatic aldehydes with 2 to 5 carbon atoms in Question come.
- unsulfonated aromatics are phenol, cresol or dihydroxydiphenylmethane in question.
- urea derivatives for example, dimethylol urea, melamine or Guanidine can be called.
- Phenol and phenol derivatives are common also by simultaneous exposure to formaldehyde and urea or by Dimethylolurea linked (DE-A 1 113 457). Sulfonation products more aromatic Connections are (according to Ullmann's Encyklopadie der Technische Chemie Volume 16 (4th edition) Weinheim 1979, p. 138) usually without the unreacted starting compounds separate, alone or together with other starting compounds condensed with formaldehyde.
- a solubilizing group can Phenols also by sulfomethylation under the simultaneous action of Alkali hydrogen sulfite and formaldehyde are introduced along with the condensation become. This sulfomethylation is e.g. described in DE-A 848 823.
- condensation products are condensates of ditolyl ether sulfonic acid with 4,4'-dioxydiphenyl sulfone, phenol sulfonic acid with phenol and urea.
- condensation products are those by condensation of sulfonated and optionally non-sulfonated aromatics with aliphatic Aldehydes, preferably formaldehyde, are obtained, with sulfonated Aromatics in particular no sulfomethylated aromatics are understood.
- condensation products are preferably by condensation of obtained sulfonated phenol and / or 4,4'-dihydroxydiphenyl sulfone with formaldehyde.
- the condensation product preferably obtained in the condensation has preferably a degree of condensation from 2 to 150, preferably from 2 to 20 and preferably a preferred number average molecular weight from 500 to 35,000 g / mol.
- Particularly preferred condensation products have a molecular weight of less than 3,000 g / mol.
- the condensation generally takes place at pH values from -1 to 9.
- the condensation of sulfonated and optionally non-sulfonated aromatics, where the aromatics have no hydroxyl groups is carried out with aldehydes and / or ketones, in particular an aldehyde, preferably formaldehyde and optionally urea or urea derivatives, in the acidic pH range.
- the condensation of sulfonated aromatics which carry hydroxyl groups with an aldehyde, in particular with formaldehyde is preferably carried out at pH 6-8.
- the condensation products are preferably in the form of alkali metal, alkaline earth metal or ammonium salts or a mixture thereof.
- Particularly preferred salt forms are the Na, K, Li, NH 4 , Ca, Mg or NR 1 R 2 R 3 R 4 salts, where
- R 1 to R 4 are identical or different C 1 -C 8 alkyl or C 6 -C 10 aryl radicals or H.
- the acid which may have originated from the preceding sulfonation of the aromatic and / or the acid used in the condensation reaction can preferably be completely or partially neutralized.
- a pH of 3 to 8 is preferably set. The pH is preferably adjusted so that a 1% solution has the specified pH.
- an inorganic base such as NaOH, Na 2 CO 3 , KOH, LiOH, NH 4 OH is used for this purpose.
- Aromatics are generally carried out using generally known methods, such as those used are described for example in DE-A 29 34 980.
- a suitable sulfonating agent can, for example, chlorosulfonic acid, amidosulfonic acid, oleum and sulfuric acid be used.
- the reaction mixture obtained is preferably used for the subsequent one Condensation used without intermediate isolation of the sulfonated aromatic he follows.
- the reaction mixture is preferably used without the sulfonated aromatics are separated.
- the molar ratio of phenolsulfonic acid to bishydroxyphenylsulfone is preferably 80:20 to 10:90, in particular 50:50 to 20:80.
- the mixture of phenol sulfonic acid and bishydroxyphenyl sulfone is preferred with 0.2 to 2.0 mol equivalents of formaldehyde per aromatic monomer, in particular 0.3 to 1.0 mol equivalents implemented.
- the amount of the condensation product used for retanning is preferably 1 to 20 wt .-%, in particular 2 to 10 wt .-%, based on the iron-tanned Leather.
- Iron tanning is generally carried out in such a way that the pickled nakedness is removed with a Treated with iron salt. Possible iron salts are those listed above Question.
- the tanning is preferably done in water at a temperature of 0 - 60 ° C, preferably 20-37 ° C.
- the tanning liquor After adding the iron salts for tanning, the tanning liquor should have a pH of 1.0 to 3.2, preferably from 1.4 to 2.5. After a reasonable time to penetrate from 30 min. up to 24 h, preferably 1 h to 6 h, the pH of the tanning liquor becomes Fixation of the iron salts raised.
- a basic compound e.g. B. Sodium hydroxide, carbonate, bicarbonate, formate, calcium carbonate or magnesium oxide used.
- a pH range from 3.0 to 6.0, preferably 3.1 to 4.0 should preferably be achieved.
- the iron-tanned leather thus obtained has a shrinking temperature of greater than 70 ° C, preferably greater than 75 ° C. It also has a uniform yellow color. For example, it can be mechanically aftertreated by wilting, folding, etc. on conventional tanneries.
- the method is preferably carried out by removing the bare to be tanned from the Iron tanning acid-treated, especially with an organic polycarboxylic acid.
- the preferably used pickled pelts for iron tanning are preferred acid pretreated, especially at pH 2-5, especially preferred at 3-4. This acid pretreatment is preferably decalcified and pickled nakedness used.
- Compounds such as carboxy acids are particularly used for pimples such as formic acid, acetic acid or oxalic acid or inorganic acids such as sulfuric acid or acidic salts of sulfuric acid or mixtures thereof.
- non-polymeric acids are difunctional carboxylic acids such as Succinic acid, maleic acid, glutaric acid and / or adipic acid; trifunctional carboxylic acids such as citric acid or polymeric carboxylic acids such as (co) polymerized Products using (meth) acrylic acid, maleic acid or itaconic acid or their derivatives.
- difunctional carboxylic acids such as Succinic acid, maleic acid, glutaric acid and / or adipic acid
- trifunctional carboxylic acids such as citric acid or polymeric carboxylic acids such as (co) polymerized Products using (meth) acrylic acid, maleic acid or itaconic acid or their derivatives.
- These acids are preferably obtained in an amount of 0.5 to 10% by weight used on the nakedness used, in particular 1-4 wt .-%.
- the acidic pretreatment preferably proceeds in such a way that pimples are added to the nakedness used be given in an amount so that the pH of the pickled bare on a value of 2-5, in particular reduced to 3-4.
- the pimple connections are preferably added to the nakedness in a tanning drum in aqueous solution. This is generally done at a temperature of 0 to 60 ° C, especially at 20 to 37 ° C. It is preferably 10 min. up to 24 h, especially 30 min. up to 2 h pretreated.
- a fatty agent is particularly preferably added to the acidic pretreatment.
- Preferred lubricants for this use are as an emulsion or solution in water stable against low pH values and high electrolyte concentrations.
- the water content of the iron-tanned leather preferably reduced by withering, and then the thickness of the leather corrected by folding if necessary.
- the retanning process is preferably carried out in a tanning drum in an aqueous liquor Temperature from 0 to 70 ° C, especially from 20 to 50 ° C instead and includes optional in addition to the condensation products according to the invention, further aids such as e.g. Polymers, fatliquors, colorants, acids and bases.
- Preferred lubricants for this use are e.g. B. sulfonated, sulfated or sulfited fats, e.g. B. long-chain alkanes, alcohols, carboxylic acids or esters natural or synthetic origin, e.g. B. fish oils, claw oils, vegetable oils or synthetic oils.
- the dyes are generally to make water-soluble solutions common in leather applications Dyes, e.g. B. those from the groups of acid dyes, direct dyes, Metal complex dyes or substantive dyes.
- the preferred polymers for use are high molecular weight water soluble or water dispersible products e.g. B. from the (Co) polymerization reaction of unsaturated acids and their derivatives with z. B. more filling or greasy effect on leather.
- Acids and bases are used to change the pH of the aqueous liquor to influence the penetration properties of the compounds used or to fix them.
- the condensates used according to the invention are preferably in 20 to 1000, preferably 50 to 200% aqueous liquor based on the weight of the used Leather used in a pH range from 3.0 to 8.0, preferably 3.5 to 6.5.
- the Addition of 1 - 20%, preferably 2 - 10% of the products can be in one or also take several steps. Other tools can also be used added in one or more steps, together with or separately of the products according to the invention.
- the retanning process is carried out in 1 - 48 h, preferably in 1.5 - 24 h, especially in 2 - 8 h.
- the leather according to the invention preferably has a softness of greater than 15 Units measured according to IUP / 36, preferably greater than 20, in particular greater than 30 units.
- the brilliant blue leather thus obtained is hanging dried, air-conditioned, placed and milled.
- IUP / 36 softness 55 units
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)
- Phenolic Resins Or Amino Resins (AREA)
Abstract
Description
Phenolsulfonsäure und Bishydroxyphenylsulfon werden im Molverhältnis von 1:3 in wässriger Lösung bei pH 6 - 9 mit 2 mol Formaldehyd bei 100 - 120°C kondensiert, mit Schwefelsäure auf pH 3.5 und mit Phthalsäure auf Säurezahl (SZ) 120 eingestellt und getrocknet.
Phenolsulfonsäure (65 % Lösung) Natriumsalz wird im Molverhältnis 2.5:1 mit Bishydroxyphenylsulfon (55 % Suspension) vermischt. Zu der heißen Mischung gibt man 2.5 equiv. Formaldehyd (30 % Lösung) und kondensiert für 3 h bei 112 - 115°C. Das Rohkondensat wird mit Adipinsäure auf Säurezahl 100 eingestellt und getrocknet.
Naphthalin wird mit 1.4 Äquivalenten H2SO4 bei 145°C für 2 h sulfoniert. Ein Gemisch aus 1000 g der so erhaltenen Naphthalinsulfonsäuren, 800 g Bishydroxyphenylsulfon und 250 ml Formaldehyd-Lösung 37 % wird bei 100 - 120°C für 3 h kondensiert. Das erhaltene Produkt wird mit Natronlauge und Phthalsäure auf pH 3.5 und SZ 80 eingestellt und sprühgetrocknet. (DE-A-10 002 048, Beispiel 1).
Naphthalin wird mit 1.4 Mol H2SO4 3 h bei 145°C sulfoniert, mit 0.66 Mol Formaldehyd 3 h kondensiert, abgekühlt, mit Natronlauge und Glutarsäure auf pH 3.5 und SZ 50 gestellt und sprühgetrocknet. (DE-A-10 002 048, Beispiel 3).
Das Kondensationsprodukt aus der stark sauren Umsetzung von 1 mol Phenol mit 0.5 mol Schwefelsäure, 1 mol Harnstoff und 0.9 mol Formaldehyd bei 100-110°C wird mit 0.2 mol Natronlauge abgepuffert. Das so erhaltene Zwischenprodukt wird mit weiteren 0.8 mol Phenol und 1.2 mol Formaldehyd kondensiert, abgekühlt, mit Natronlauge, Ameisensäure und Phthalsäure auf pH 3.5 und SZ 80 gestellt und sprühgetrocknet.
| % | Produkt | °C | Zeit Min | Bemerkung | |
| Spülen | Wasser | 35 | |||
| Entkälkung, | 100 | Wasser | 35 | ||
| 2.0 | Ammoniumsulfat | ||||
| 0.3 | Natriumbisulfit | 10 | |||
| 0.2 | Emulgator (ethoxylierte Fettsäure) | ||||
| Beize | 1.1 | Beizenzym (Protease) | 90 | pH: 9.1 | |
| Flotte ab | |||||
| Spülen | Wasser | 20 | |||
| Vorbehandlung, | 20 | Wasser | 20 | ||
| Pickel | 6.0 | Natriumchlorid | 5 | °Bé: >6 | |
| 0.3 | Konservierungsmittel (Wirkstoff CMK) | ||||
| 4.0 | Fettungsmittel (Basis sulfatierte synthetische Öle) | ||||
| 3.0 | Methacrylsäure Kopolymer | ||||
| 1.0 | Adipinsäure | 480 | pH: 4.6 | ||
| 1.0 | Ameisensäure 85 % 1:10 | 15 | |||
| 0.5 | Schwefelsäure | 60 | pH: 3.4 | ||
| Gerbung | 13.5 | Basisches Eisen(III)sulfat 45% | 120 | pH: 1.7; Penetration | |
| Abstumpfen | 100 | Wasser | |||
| 2.0 | Natriumformiat | 30 | pH: 2.3 | ||
| 0.7 | Magnesiumoxid | 30 | pH: 3.0 | ||
| 0.7 | Magnesiumoxid | 30 | pH: 4.2 | ||
| Spülen | Wasser |
| % | Produkt | °C | Zeit Min | Bemerkung | |
| Spülen | Wasser | 35 | |||
| Entkälkung, | 100 | Wasser | 35 | ||
| 2.0 | Ammoniumsulfat | ||||
| 0.3 | Natriumbisulfit | 10 | |||
| 0.2 | Emulgator (ethoxylierte Fettsäure) | ||||
| Beize | 1.1 | Beizenzym (Protease) | 90 | pH: 9.1 | |
| Flotte ab | |||||
| Spülen | Wasser | 20 | |||
| Vorbehandlung, | 20 | Wasser | 20 | ||
| Pickel | 6.0 | Natriumchlorid | 5 | °Bé: >6 | |
| 0.3 | Konservierungsmittel (Wirkstoff CMK) | ||||
| 2.5 | Glutarsäure | 60 | pH: 4.4 | ||
| 1.0 | Ameisensäure 85 % 1:10 | 15 | |||
| 0.5 | Schwefelsäure | 60 | pH: 3.4 | ||
| Gerbung | 6 | Eisen(III)sulfat | 120 | pH: 1.7; Penetration | |
| Abstumpfen | 100 | Wasser | |||
| 1.1 | Soda 1:10 | 30 | pH:2.0 | ||
| 1.1 | Soda 1:10 | 30 | pH: 2.7 | ||
| 1.1 | Soda 1:10 | 30 | pH: 3.3 | ||
| Spülen | Wasser |
| erfindungsgemäß | Vergleichsbeispiele | ||||
| Probe | A | B | C | D | E |
| Weichheit, subjektiv | sehr weich | weich | hart | hart | hart |
| Weichheit IUP/36 | 21 | 16 | 9 | 10 | 8 |
| Fülle | voll | voll | weniger voll | leer | leer |
| Farbe | hell beige | beige, rötlich | beige | braun | beige, gelblich |
| % | Produkt | °C | Zeit Min | Bemerkung | |
| Waschen | 200 | Wasser | 40 | 15 | |
| Flotte ab | |||||
| Neutralisation | 100 | Wasser | 20 | ||
| 1.0 | Natriumbicarbonat | ||||
| 2.0 | Nachgerbstoff (Beispiel 1) | 30 | |||
| 4.0 | Synthetisches Fettungsmittel | 60 | pH 5.2 | ||
| Flotte ab | |||||
| Nachgerbung | 100 | Wasser | 20 | ||
| Fettung | 5.0 | Synthetisches Fettungsmittel | |||
| Färbung | 4.0 | Harzgerbstoff | 30 | ||
| 1.0 | Kastanie | ||||
| 5.0 | Nachgerbstoff (Beispiel 1) | ||||
| 2.0 | Farbstoff Schwarz | 60 | |||
| 100 | Wasser | 50 | 5 | ||
| 2.0 | Synthetisches Fettungsmittel:4 | ||||
| 2.0 | Sulfatiertes Fischöl 1:4 | 30 | |||
| 1.0 | Nachgerbstoff (Beispiel 1) | 60 | pH 5.2 | ||
| Fixierung | 1.0 | Ameisensäure 1: 10 | 15 | ||
| 1.5 | Ameisensäure 1:10 | 30 | pH 3.7 | ||
| Flotte ab | |||||
| Spülen | Wasser | 20 | 5 | ||
| Flotte ab |
Weichheit gemäß IUP/36: 40 Einheiten
| % | Produkt | °C | Zeit Min | Bemerkung | |
| Waschen | 200 | Wasser | 40 | 15 | |
| Flotte ab | |||||
| Neutralisation | 100 | Wasser | 40 | ||
| 2.0 | Natriumbicarbonat | ||||
| 2.0 | Nachgerbstoff (Beispiel 2) | 30 | |||
| 3.0 | Sulfatiertes Fischöl | 60 | pH 6.2 | ||
| Flotte ab | |||||
| Nachgerbung | 100 | Wasser | 30 | ||
| Fettung | 3.0 | Sulfatiertes Fischöl | |||
| Färbung | 3.0 | Synthetisches Fettungmittel | |||
| 4.0 | Harzgerbstoff | 60 | |||
| 5.0 | Nachgerbstoff (Beispiel 1) | ||||
| 2.0 | Farbstoff Blau | 60 | |||
| 100 | Wasser | 50 | 5 | ||
| 2.0 | Synthetisches Fettungsmitte:4 | ||||
| 2.0 | Sulfatiertes Fischöl 1:4 | 30 | |||
| 2.0 | Nachgerbstoff (Beispiel 2) | 60 | pH 5.5 | ||
| Fixierung | 1.2 | Ameisensäure 1:10 | 15 | ||
| 1.5 | Ameisensäure 1:10 | 30 | pH 3.6 | ||
| Flotte ab | |||||
| Spülen | Wasser | 20 | 5 | ||
| Flotte ab |
Weichheit gemäß IUP/36: 55 Einheiten
Claims (9)
- Verwendung von Kondensationsprodukten auf Basis vonzum Nachgerben von eisengegerbtem Leder, mit der Maßgabe, dass der Gehalt an Naphthalinsulfonsäure-Formaldehyd-Kondensat, und Kondensat auf Basis von Phenol und Formaldehyd bezogen auf die Gesamtmenge an Kondensationsprodukt jeweils kleiner als 25 Gew.-%, bevorzugt kleiner als 5 Gew.-% ist.A) sulfonierten Aromaten,B) Aldehyden und/oder Ketonen und gegebenenfallsC) einer oder mehreren Verbindungen, ausgewählt aus der Gruppe der nicht sulfonierten Aromaten, Harnstoff und Harnstoffderivaten,
- Verwendung gemäß Anspruch 1, dadurch gekennzeichnet, dass ein Leder mit einer Weichheit von größer 15 Einheiten, gemessen nach IUP/36, erhalten wird.
- Verwendung gemäß Anspruch 1, dadurch gekennzeichnet, dass zum Nachgerben ein Kondensationsprodukt auf Basis vonA) Phenolsulfonsäuren und gegebenenfalls andere sulfonierte Aromaten, insbesondere Arylsulfon,B) Formaldehyd und gegebenenfallsC) einer oder mehreren Verbindungen, ausgewählt aus der Gruppe der nicht sulfonierten Aromaten, Harnstoff und Harnstoffderivaten.
- Verwendung gemäß Anspruch 1, dadurch gekennzeichnet, dass zum Nachgerben ein Kondensationsprodukt auf Basis voneingesetzt wird, wobei das Verhältnis von Phenolsulfonsäure zu Bishydroxyphenolsulfon vorzugsweise 80:20 bis 10:90, bevorzugt 50:50 bis 20:80 beträgt.A) Phenolsulfonsäure und Bisphydroxyphenylsulfon undB) Formaldehyd und gegebenenfallsC) Harnstoff
- Verwendung gemäß Anspruch 1, dadurch gekennzeichnet, dass das Kondensationsprodukt in einer Menge von 1 bis 20 Gew.-%, insbesondere 2 bis 10 Gew.-%, bezogen auf das eisengegerbte Leder, eingesetzt wird.
- Verfahren zur Herstellung von Leder, insbesondere Leder mit einer Weichheit von größer als 15 Einheiten gemäß IUP/36, dadurch gekennzeichnet, dass man ein eisengegerbtes Leder mit einem Kondensationsprodukt auf Basis vonnachgerbt, mit der Maßgabe, dass der Gehalt an Naphthalinsulfonsäure-Formaldehyd-Kondensat, und Kondensat auf Basis von Phenol und Formaldehyd, bezogen auf die Gesamtmenge an Kondensationsprodukt kleiner als 25 Gew.-%, bevorzugt kleiner als 5 Gew.-% ist.A) sulfonierten Aromaten,B) Aldehyden und/oder Ketonen und gegebenenfallsC) einer oder mehreren Verbindungen, ausgewählt aus der Gruppe der nicht sulfonierten Aromaten, Harnstoff und Hamstoffderivaten,
- Verfahren zur Herstellung von Leder gemäß Anspruch 6, dadurch gekennzeichnet, dass man die zu gerbende Blöße vor der Eisengerbung sauer vorbehandelt, insbesondere mit einer organischen Polycarbonsäure.
- Leder mit einem Eisengehalt von 1-7 Gew.-% dadurch gekennzeichnet, das es wenigstens ein Kondensationsprodukt auf Basis vonenthält, mit der Maßgabe, dass der Gehalt an Naphthalinsulfonsäure-Formaldehyd-Kondensat, und Kondensat auf Basis von Phenol und Formaldehyd bezogen auf die Gesamtmenge an Kondensationsprodukt kleiner als 25 Gew.-%, bevorzugt kleiner als 5 Gew.-% ist.A) sulfonierten Aromaten,B) Aldehyden und/oder Ketonen und gegebenenfallsC) einer oder mehreren Verbindungen, ausgewählt aus der Gruppe der nicht sulfonierten Aromaten, Harnstoff und Harnstoffderivaten,
- Leder gemäß Anspruch 8, dadurch gekennzeichnet, dass es eine Weichheit von größer 15 Einheiten besitzt, gemessen nach IUP/36.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10250112A DE10250112A1 (de) | 2002-10-28 | 2002-10-28 | Kondensationsprodukt zum Nachgeben von Fe-gegerbtem Leder |
| DE10250112 | 2002-10-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP1416058A1 true EP1416058A1 (de) | 2004-05-06 |
Family
ID=32087253
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP03023286A Withdrawn EP1416058A1 (de) | 2002-10-28 | 2003-10-15 | Kondensationsprodukte zum Nachgerben von eisengegerbtem Leder |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US20040148707A1 (de) |
| EP (1) | EP1416058A1 (de) |
| JP (1) | JP2004149797A (de) |
| KR (1) | KR20040038694A (de) |
| CN (1) | CN1498974A (de) |
| AR (1) | AR041845A1 (de) |
| BR (1) | BR0304772A (de) |
| DE (1) | DE10250112A1 (de) |
| MX (1) | MXPA03009857A (de) |
| ZA (1) | ZA200308303B (de) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7208016B2 (en) * | 2002-10-28 | 2007-04-24 | Lanxess Deutschland Gmbh | Chromium-free, waterproof leather |
| WO2007131811A1 (de) * | 2006-05-17 | 2007-11-22 | Basf Se | Gemische von gerbstoffen, ihre herstellung und verwendung in arzneimitteln oder als desinfektionsmittel |
| EP1873176A1 (de) | 2006-06-23 | 2008-01-02 | Lanxess Deutschland GmbH | Säuregruppenhaltige dialdehyd Kondensationsprodukte |
| EP3181707A1 (de) | 2015-12-18 | 2017-06-21 | LANXESS Deutschland GmbH | Verfahren zur herstellung von leder- oder pelz-halbfabrikaten |
| CN115894784A (zh) * | 2022-12-30 | 2023-04-04 | 四川大学 | 一种多官能团共聚物及其制备方法与在胶原改性上的应用 |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5172228B2 (ja) | 2007-06-28 | 2013-03-27 | ミドリホクヨー株式会社 | 革 |
| CN104450993B (zh) * | 2014-12-24 | 2017-11-10 | 上海金狮化工有限公司 | 一种复鞣剂及其制备方法 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2122133A (en) * | 1935-07-24 | 1938-06-28 | Ig Farbenindustrie Ag | Iron-tanned leather |
| DE2451720A1 (de) * | 1973-11-08 | 1975-05-15 | Ciba Geigy Ag | Phenolsulfonsaeure-harnstoff-formaldehyd-umsetzungsprodukte, verfahren zu deren herstellung und ihre verwendung als gerbend wirkende substanzen |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2127297A (en) * | 1935-06-26 | 1938-08-16 | Ig Farbenindustrie Ag | Process of tanning hides and pelts with the aid of iron compounds |
| US3837797A (en) * | 1971-08-13 | 1974-09-24 | A Conklin | Leather |
| US4523890A (en) * | 1983-10-19 | 1985-06-18 | General Motors Corporation | End seal for turbine blade base |
| US4740211A (en) * | 1985-09-09 | 1988-04-26 | Seton Company, Inc. | Chromium-free tanning process |
| US5264000A (en) * | 1988-06-06 | 1993-11-23 | Ciba-Geigy Corporation | Aqueous solutions of synthetic tanning agents |
| DE59008012D1 (de) * | 1989-11-13 | 1995-01-26 | Ciba Geigy Ag | Mittel zur Behandlung von Leder und Pelzen. |
| PL323618A1 (en) * | 1996-12-20 | 1998-06-22 | Tfl Ledertechnik Gmbh & Co Kg | Hide processing compositions |
| DE19954013C2 (de) * | 1999-11-10 | 2003-04-03 | Bayer Ag | Aromatische Formaldehyd-Kondensationsprodukte enthaltende säurestabile Lösungen und deren Verwendung |
| US20030206442A1 (en) * | 2002-05-02 | 2003-11-06 | Jerry Tang | Flash memory bridiging device, method and application system |
-
2002
- 2002-10-28 DE DE10250112A patent/DE10250112A1/de not_active Withdrawn
-
2003
- 2003-10-15 EP EP03023286A patent/EP1416058A1/de not_active Withdrawn
- 2003-10-24 ZA ZA200308303A patent/ZA200308303B/xx unknown
- 2003-10-27 US US10/694,382 patent/US20040148707A1/en not_active Abandoned
- 2003-10-27 JP JP2003366261A patent/JP2004149797A/ja not_active Withdrawn
- 2003-10-27 KR KR1020030074985A patent/KR20040038694A/ko not_active Withdrawn
- 2003-10-27 MX MXPA03009857A patent/MXPA03009857A/es not_active Application Discontinuation
- 2003-10-28 CN CNA2003101046451A patent/CN1498974A/zh active Pending
- 2003-10-28 BR BR0304772-5A patent/BR0304772A/pt not_active Application Discontinuation
- 2003-10-28 AR ARP030103933A patent/AR041845A1/es unknown
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2122133A (en) * | 1935-07-24 | 1938-06-28 | Ig Farbenindustrie Ag | Iron-tanned leather |
| DE2451720A1 (de) * | 1973-11-08 | 1975-05-15 | Ciba Geigy Ag | Phenolsulfonsaeure-harnstoff-formaldehyd-umsetzungsprodukte, verfahren zu deren herstellung und ihre verwendung als gerbend wirkende substanzen |
Non-Patent Citations (1)
| Title |
|---|
| TONIGOLD L ET AL: "MOGLICHKEITEN UND GRENZEN DER EISENGERBUNG", LEDER, EDUARD ROETHER VERLAG. DARMSTADT, DE, vol. 41, no. 1, 1990, pages 8 - 14, XP000113346, ISSN: 0024-0176 * |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7208016B2 (en) * | 2002-10-28 | 2007-04-24 | Lanxess Deutschland Gmbh | Chromium-free, waterproof leather |
| WO2007131811A1 (de) * | 2006-05-17 | 2007-11-22 | Basf Se | Gemische von gerbstoffen, ihre herstellung und verwendung in arzneimitteln oder als desinfektionsmittel |
| EP1873176A1 (de) | 2006-06-23 | 2008-01-02 | Lanxess Deutschland GmbH | Säuregruppenhaltige dialdehyd Kondensationsprodukte |
| EP3181707A1 (de) | 2015-12-18 | 2017-06-21 | LANXESS Deutschland GmbH | Verfahren zur herstellung von leder- oder pelz-halbfabrikaten |
| WO2017102291A1 (de) | 2015-12-18 | 2017-06-22 | Lanxess Deutschland Gmbh | Verfahren zur herstellung von leder- oder pelz-halbfabrikaten |
| CN115894784A (zh) * | 2022-12-30 | 2023-04-04 | 四川大学 | 一种多官能团共聚物及其制备方法与在胶原改性上的应用 |
| CN115894784B (zh) * | 2022-12-30 | 2023-11-03 | 四川大学 | 一种多官能团共聚物及其制备方法与在胶原改性上的应用 |
Also Published As
| Publication number | Publication date |
|---|---|
| AR041845A1 (es) | 2005-06-01 |
| DE10250112A1 (de) | 2004-05-06 |
| CN1498974A (zh) | 2004-05-26 |
| KR20040038694A (ko) | 2004-05-08 |
| US20040148707A1 (en) | 2004-08-05 |
| BR0304772A (pt) | 2004-08-31 |
| JP2004149797A (ja) | 2004-05-27 |
| ZA200308303B (en) | 2004-10-25 |
| MXPA03009857A (es) | 2004-12-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE4014977A1 (de) | Kondensationsprodukte aus phenolmonosulfonsaeuren, dihydroxydiphenylsulfonen, harnstoff und formaldehyd | |
| EP1873176A1 (de) | Säuregruppenhaltige dialdehyd Kondensationsprodukte | |
| DE10250112A1 (de) | Kondensationsprodukt zum Nachgeben von Fe-gegerbtem Leder | |
| DE4227778A1 (de) | Verfahren zur mineralischen gerbung, nachgerbung oder nachbehandlung | |
| EP0533011B1 (de) | Verfahren zur Herstellung von Chromleder | |
| EP1693393B1 (de) | Säuregruppenhaltige Kondensationsprodukte | |
| KR101540134B1 (ko) | 가죽 제조 방법 | |
| DE1961369A1 (de) | Dioxydiphenylsulfon-Formaldehyd-Kondensationsprodukte | |
| DE10140551A1 (de) | Verfahren zur Herstellung sulfonhaltiger Gerbstoffe | |
| EP0008032B1 (de) | Kondensationsprodukte aus Terphenylsulfonsäuren, Naphthalinsulfonsäuren, Bis-(4-hydroxyphenyl)-sulfon und Formaldehyd und ihre Verwendung als Gerbstoffe | |
| EP0347373B1 (de) | Wässrige Lösungen von synthetischen Gerbstoffen | |
| DE1288233B (de) | Verfahren zum Schnellgerben von mittelschweren oder schweren Haeuten | |
| WO2007045585A1 (de) | Verfahren zur herstellung von leder und dafür geeignete produkte | |
| EP1118682B1 (de) | Gerbstoff-/Nachgerbstoffpräparationen | |
| AT147180B (de) | Verfahren zur Darstellung lichtecht gerbender Stoffe. | |
| EP3390673B1 (de) | Verfahren zur herstellung von leder- oder pelz-halbfabrikaten | |
| CH390274A (de) | Verfahren zur Herstellung von Sulfogruppen enthaltenden Kondensationsprodukten aus Phenolen und Formaldehyd | |
| EP1568788A2 (de) | Aromatische Sulfonsäuren, ihr Herstellungsverfahren, ihre Aldehydkondensate und ihre Verwendung im Leder-, Papier- und Textilbereich | |
| DE1494839C3 (de) | Verfahren zum Schnellgerben von Ledern | |
| AT204168B (de) | Verfahren zur Herstellung von Sulfogruppen enthaltenden Kondensationsprodukten aus Phenolen und Formaldehyd | |
| AT210054B (de) | Verfahren zur Herstellung von gerbend wirkenden Kondensationsprodukten | |
| DE587496C (de) | Verfahren zur Herstellung kuenstlicher Gerbstoffe | |
| DE687350C (de) | Verfahren zur Herstellung von Kondensationserzeugnissen | |
| US2564022A (en) | Manufacture of syntans from vanillin and leather tanned therewith | |
| DE1669341B1 (de) | Pulverfoermige Gerbstoffe |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
| AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR |
|
| AX | Request for extension of the european patent |
Extension state: AL LT LV MK |
|
| 17P | Request for examination filed |
Effective date: 20041108 |
|
| AKX | Designation fees paid |
Designated state(s): AT DE ES GB IT |
|
| RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: ROHM AND HAAS COMPANY Owner name: LANXESS DEUTSCHLAND GMBH |
|
| GRAP | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOSNIGR1 |
|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
| 18D | Application deemed to be withdrawn |
Effective date: 20080109 |
