DE2626429C3 - Verfahren zum Chromgerben von Häuten oder Nachgerben von Leder in Gegenwart von Carbonsäuren als Komplexbildner - Google Patents
Verfahren zum Chromgerben von Häuten oder Nachgerben von Leder in Gegenwart von Carbonsäuren als KomplexbildnerInfo
- Publication number
- DE2626429C3 DE2626429C3 DE2626429A DE2626429A DE2626429C3 DE 2626429 C3 DE2626429 C3 DE 2626429C3 DE 2626429 A DE2626429 A DE 2626429A DE 2626429 A DE2626429 A DE 2626429A DE 2626429 C3 DE2626429 C3 DE 2626429C3
- Authority
- DE
- Germany
- Prior art keywords
- tanning
- parts
- chromium
- acid
- salts
- 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.)
- Expired
Links
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 title claims description 39
- 238000000034 method Methods 0.000 title claims description 25
- 239000010985 leather Substances 0.000 title claims description 10
- 239000008139 complexing agent Substances 0.000 title claims description 6
- 150000001735 carboxylic acids Chemical class 0.000 title claims description 5
- 239000000203 mixture Substances 0.000 claims description 53
- 239000011651 chromium Substances 0.000 claims description 44
- 229910052804 chromium Inorganic materials 0.000 claims description 21
- 150000003839 salts Chemical class 0.000 claims description 20
- 150000001991 dicarboxylic acids Chemical class 0.000 claims description 16
- 239000002253 acid Substances 0.000 claims description 13
- BFGKITSFLPAWGI-UHFFFAOYSA-N chromium(3+) Chemical class [Cr+3] BFGKITSFLPAWGI-UHFFFAOYSA-N 0.000 claims description 13
- 239000003795 chemical substances by application Substances 0.000 claims description 12
- 150000007513 acids Chemical class 0.000 claims description 4
- 239000011230 binding agent Substances 0.000 claims description 4
- 125000004432 carbon atom Chemical group C* 0.000 claims description 3
- 238000001694 spray drying Methods 0.000 claims 1
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 45
- 235000002639 sodium chloride Nutrition 0.000 description 29
- 150000002148 esters Chemical class 0.000 description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 23
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 22
- 239000010459 dolomite Substances 0.000 description 18
- 229910000514 dolomite Inorganic materials 0.000 description 18
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 16
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 15
- GRWVQDDAKZFPFI-UHFFFAOYSA-H chromium(III) sulfate Chemical class [Cr+3].[Cr+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O GRWVQDDAKZFPFI-UHFFFAOYSA-H 0.000 description 15
- 235000015217 chromium(III) sulphate Nutrition 0.000 description 15
- 239000000243 solution Substances 0.000 description 15
- 235000015278 beef Nutrition 0.000 description 14
- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 13
- JFCQEDHGNNZCLN-UHFFFAOYSA-N anhydrous glutaric acid Natural products OC(=O)CCCC(O)=O JFCQEDHGNNZCLN-UHFFFAOYSA-N 0.000 description 13
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 description 12
- 229910000423 chromium oxide Inorganic materials 0.000 description 12
- 229910000356 chromium(III) sulfate Inorganic materials 0.000 description 12
- 239000011696 chromium(III) sulphate Substances 0.000 description 12
- 159000000000 sodium salts Chemical class 0.000 description 12
- RTBFRGCFXZNCOE-UHFFFAOYSA-N 1-methylsulfonylpiperidin-4-one Chemical compound CS(=O)(=O)N1CCC(=O)CC1 RTBFRGCFXZNCOE-UHFFFAOYSA-N 0.000 description 11
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 11
- IBMRTYCHDPMBFN-UHFFFAOYSA-N monomethyl glutaric acid Chemical compound COC(=O)CCCC(O)=O IBMRTYCHDPMBFN-UHFFFAOYSA-N 0.000 description 11
- 239000011780 sodium chloride Substances 0.000 description 11
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 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
- 239000000843 powder Substances 0.000 description 8
- -1 aliphatic dicarboxylic acids Chemical class 0.000 description 7
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 7
- 238000010992 reflux Methods 0.000 description 7
- RPACBEVZENYWOL-XFULWGLBSA-M sodium;(2r)-2-[6-(4-chlorophenoxy)hexyl]oxirane-2-carboxylate Chemical compound [Na+].C=1C=C(Cl)C=CC=1OCCCCCC[C@]1(C(=O)[O-])CO1 RPACBEVZENYWOL-XFULWGLBSA-M 0.000 description 7
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 5
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 239000000395 magnesium oxide Substances 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 4
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 4
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 4
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 description 4
- 206010000496 acne Diseases 0.000 description 4
- 150000001447 alkali salts Chemical class 0.000 description 4
- 238000004132 cross linking Methods 0.000 description 4
- 235000013616 tea Nutrition 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- 241000283690 Bos taurus Species 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 3
- 239000001361 adipic acid Substances 0.000 description 3
- 235000011037 adipic acid Nutrition 0.000 description 3
- 238000009963 fulling Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 3
- XNGIFLGASWRNHJ-UHFFFAOYSA-N phthalic acid Chemical compound OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 description 3
- 235000021110 pickles Nutrition 0.000 description 3
- 238000005554 pickling Methods 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 3
- BVKZGUZCCUSVTD-UHFFFAOYSA-M Bicarbonate Chemical class OC([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-M 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
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 2
- 241001465754 Metazoa Species 0.000 description 2
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 2
- AMQJEAYHLZJPGS-UHFFFAOYSA-N N-Pentanol Chemical compound CCCCCO AMQJEAYHLZJPGS-UHFFFAOYSA-N 0.000 description 2
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 2
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical class [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 2
- KDYFGRWQOYBRFD-UHFFFAOYSA-N Succinic acid Natural products OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 description 2
- 150000001298 alcohols Chemical class 0.000 description 2
- 235000019270 ammonium chloride Nutrition 0.000 description 2
- 235000010633 broth Nutrition 0.000 description 2
- KDYFGRWQOYBRFD-NUQCWPJISA-N butanedioic acid Chemical compound O[14C](=O)CC[14C](O)=O KDYFGRWQOYBRFD-NUQCWPJISA-N 0.000 description 2
- 229910000019 calcium carbonate Inorganic materials 0.000 description 2
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 2
- DSHWASKZZBZKOE-UHFFFAOYSA-K chromium(3+);hydroxide;sulfate Chemical compound [OH-].[Cr+3].[O-]S([O-])(=O)=O DSHWASKZZBZKOE-UHFFFAOYSA-K 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- ZUDYLZOBWIAUPC-UHFFFAOYSA-L disodium;pentanedioate Chemical compound [Na+].[Na+].[O-]C(=O)CCCC([O-])=O ZUDYLZOBWIAUPC-UHFFFAOYSA-L 0.000 description 2
- 230000007062 hydrolysis Effects 0.000 description 2
- 238000006460 hydrolysis reaction Methods 0.000 description 2
- PHTQWCKDNZKARW-UHFFFAOYSA-N isoamylol Chemical compound CC(C)CCO PHTQWCKDNZKARW-UHFFFAOYSA-N 0.000 description 2
- ZXEKIIBDNHEJCQ-UHFFFAOYSA-N isobutanol Chemical compound CC(C)CO ZXEKIIBDNHEJCQ-UHFFFAOYSA-N 0.000 description 2
- 159000000003 magnesium salts Chemical class 0.000 description 2
- 239000011976 maleic acid Substances 0.000 description 2
- 230000000873 masking effect Effects 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- KJFMBFZCATUALV-UHFFFAOYSA-N phenolphthalein Chemical compound C1=CC(O)=CC=C1C1(C=2C=CC(O)=CC=2)C2=CC=CC=C2C(=O)O1 KJFMBFZCATUALV-UHFFFAOYSA-N 0.000 description 2
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 2
- 238000007127 saponification reaction Methods 0.000 description 2
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 238000005809 transesterification reaction Methods 0.000 description 2
- PUPZLCDOIYMWBV-UHFFFAOYSA-N (+/-)-1,3-Butanediol Chemical compound CC(O)CCO PUPZLCDOIYMWBV-UHFFFAOYSA-N 0.000 description 1
- WXUAQHNMJWJLTG-VKHMYHEASA-N (S)-methylsuccinic acid Chemical compound OC(=O)[C@@H](C)CC(O)=O WXUAQHNMJWJLTG-VKHMYHEASA-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
- ZNQVEEAIQZEUHB-UHFFFAOYSA-N 2-ethoxyethanol Chemical compound CCOCCO ZNQVEEAIQZEUHB-UHFFFAOYSA-N 0.000 description 1
- REIDAMBAPLIATC-UHFFFAOYSA-N 4-methoxycarbonylbenzoic acid Chemical compound COC(=O)C1=CC=C(C(O)=O)C=C1 REIDAMBAPLIATC-UHFFFAOYSA-N 0.000 description 1
- 206010006895 Cachexia Diseases 0.000 description 1
- 241000251730 Chondrichthyes Species 0.000 description 1
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 1
- WHUUTDBJXJRKMK-UHFFFAOYSA-N Glutamic acid Natural products OC(=O)C(N)CCC(O)=O WHUUTDBJXJRKMK-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- CKLJMWTZIZZHCS-REOHCLBHSA-N L-aspartic acid Chemical compound OC(=O)[C@@H](N)CC(O)=O CKLJMWTZIZZHCS-REOHCLBHSA-N 0.000 description 1
- WHUUTDBJXJRKMK-VKHMYHEASA-N L-glutamic acid Chemical compound OC(=O)[C@@H](N)CCC(O)=O WHUUTDBJXJRKMK-VKHMYHEASA-N 0.000 description 1
- GOOHAUXETOMSMM-UHFFFAOYSA-N Propylene oxide Chemical compound CC1CO1 GOOHAUXETOMSMM-UHFFFAOYSA-N 0.000 description 1
- DWAQJAXMDSEUJJ-UHFFFAOYSA-M Sodium bisulfite Chemical compound [Na+].OS([O-])=O DWAQJAXMDSEUJJ-UHFFFAOYSA-M 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- ZJCCRDAZUWHFQH-UHFFFAOYSA-N Trimethylolpropane Chemical compound CCC(CO)(CO)CO ZJCCRDAZUWHFQH-UHFFFAOYSA-N 0.000 description 1
- 150000008065 acid anhydrides Chemical class 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 description 1
- 229910052921 ammonium sulfate Inorganic materials 0.000 description 1
- 235000011130 ammonium sulphate Nutrition 0.000 description 1
- 150000008064 anhydrides Chemical class 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 239000007900 aqueous suspension Substances 0.000 description 1
- 235000003704 aspartic acid Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- OQFSQFPPLPISGP-UHFFFAOYSA-N beta-carboxyaspartic acid Natural products OC(=O)C(N)C(C(O)=O)C(O)=O OQFSQFPPLPISGP-UHFFFAOYSA-N 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Inorganic materials [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 1
- ZOMBKNNSYQHRCA-UHFFFAOYSA-J calcium sulfate hemihydrate Chemical compound O.[Ca+2].[Ca+2].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O ZOMBKNNSYQHRCA-UHFFFAOYSA-J 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 150000001844 chromium Chemical class 0.000 description 1
- JOPOVCBBYLSVDA-UHFFFAOYSA-N chromium(6+) Chemical class [Cr+6] JOPOVCBBYLSVDA-UHFFFAOYSA-N 0.000 description 1
- 230000000536 complexating effect Effects 0.000 description 1
- XTDYIOOONNVFMA-UHFFFAOYSA-N dimethyl pentanedioate Chemical compound COC(=O)CCCC(=O)OC XTDYIOOONNVFMA-UHFFFAOYSA-N 0.000 description 1
- MSQKMFXJFBXZNQ-UHFFFAOYSA-N dipropan-2-yl pentanedioate Chemical compound CC(C)OC(=O)CCCC(=O)OC(C)C MSQKMFXJFBXZNQ-UHFFFAOYSA-N 0.000 description 1
- 208000026500 emaciation Diseases 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000001530 fumaric acid Substances 0.000 description 1
- 235000011087 fumaric acid Nutrition 0.000 description 1
- 235000013922 glutamic acid Nutrition 0.000 description 1
- 239000004220 glutamic acid Substances 0.000 description 1
- VANNPISTIUFMLH-UHFFFAOYSA-N glutaric anhydride Chemical compound O=C1CCCC(=O)O1 VANNPISTIUFMLH-UHFFFAOYSA-N 0.000 description 1
- 235000011187 glycerol Nutrition 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 239000011507 gypsum plaster Substances 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 229960004592 isopropanol Drugs 0.000 description 1
- 239000011777 magnesium Chemical class 0.000 description 1
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 235000010755 mineral Nutrition 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 description 1
- XAEFZNCEHLXOMS-UHFFFAOYSA-M potassium benzoate Chemical compound [K+].[O-]C(=O)C1=CC=CC=C1 XAEFZNCEHLXOMS-UHFFFAOYSA-M 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 235000010267 sodium hydrogen sulphite Nutrition 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- 235000011152 sodium sulphate Nutrition 0.000 description 1
- 235000010265 sodium sulphite Nutrition 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 229940014800 succinic anhydride Drugs 0.000 description 1
- WOZVHXUHUFLZGK-UHFFFAOYSA-N terephthalic acid dimethyl ester Natural products COC(=O)C1=CC=C(C(=O)OC)C=C1 WOZVHXUHUFLZGK-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
- C14C3/02—Chemical tanning
- C14C3/04—Mineral tanning
- C14C3/06—Mineral tanning using chromium compounds
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)
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2626429A DE2626429C3 (de) | 1976-06-12 | 1976-06-12 | Verfahren zum Chromgerben von Häuten oder Nachgerben von Leder in Gegenwart von Carbonsäuren als Komplexbildner |
| US05/802,100 US4101271A (en) | 1976-06-12 | 1977-05-31 | Tanning skins using polycarboxylic acid partial esters |
| GB23891/77A GB1543889A (en) | 1976-06-12 | 1977-06-08 | Tanning process |
| AR268013A AR214521A1 (es) | 1976-06-12 | 1977-06-10 | Procedimiento para el curtido al cromo de cueros crudos piquelados y no piquelados y para el recurtido de cuero,y composicion para curtir utilizada en el mismo |
| ES459659A ES459659A1 (es) | 1976-06-12 | 1977-06-10 | Procedimiento para el curtido al cromo de pellejos de anima-les. |
| BR7703765A BR7703765A (pt) | 1976-06-12 | 1977-06-10 | Processo para o curtimento de peles e composicao de curtimento |
| FR7718087A FR2354382A1 (fr) | 1976-06-12 | 1977-06-13 | Procede pour tanner des peaux avec des esters partiels d'acides polycarboxyliques |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2626429A DE2626429C3 (de) | 1976-06-12 | 1976-06-12 | Verfahren zum Chromgerben von Häuten oder Nachgerben von Leder in Gegenwart von Carbonsäuren als Komplexbildner |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2626429A1 DE2626429A1 (de) | 1977-12-22 |
| DE2626429B2 DE2626429B2 (de) | 1980-07-10 |
| DE2626429C3 true DE2626429C3 (de) | 1981-06-19 |
Family
ID=5980406
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2626429A Expired DE2626429C3 (de) | 1976-06-12 | 1976-06-12 | Verfahren zum Chromgerben von Häuten oder Nachgerben von Leder in Gegenwart von Carbonsäuren als Komplexbildner |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4101271A (enExample) |
| AR (1) | AR214521A1 (enExample) |
| BR (1) | BR7703765A (enExample) |
| DE (1) | DE2626429C3 (enExample) |
| ES (1) | ES459659A1 (enExample) |
| FR (1) | FR2354382A1 (enExample) |
| GB (1) | GB1543889A (enExample) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2822072A1 (de) * | 1978-05-20 | 1979-11-29 | Henkel Kgaa | Verwendung wasserunloeslicher aluminiumsilikate bei der lederherstellung |
| DE2739844C3 (de) * | 1977-09-03 | 1987-07-09 | Bayer Ag, 5090 Leverkusen | Verfahren zum Chromgerben |
| DE3726796A1 (de) * | 1987-08-12 | 1989-02-23 | Bayer Ag | Verfahren zur hochauszehrenden chromgerbung |
| AU652442B2 (en) * | 1991-04-09 | 1994-08-25 | Australian Meat Corporation | Process for tanning hides and compounds for use therein |
| EP0580676A4 (en) * | 1991-04-09 | 1995-02-22 | Commw Scient Ind Res Org | PROCESS FOR TANNING SKINS AND COMPOUNDS USEFUL THEREFOR. |
| RU2130495C1 (ru) * | 1998-10-19 | 1999-05-20 | Зурабян Карапет Мхитарович | Способ выработки кож хромового дубления |
| RU2178811C1 (ru) * | 2001-05-25 | 2002-01-27 | Федеральное государственное унитарное предприятие Центральный научно-исследовательский институт кожевенно-обувной промышленности | Способ выработки кож |
| CN102260171B (zh) * | 2011-05-11 | 2013-12-18 | 台州市海峰医化有限公司 | 戊二酸单甲酯钠盐及戊二酸单甲酯的合成方法 |
| EP2853605A1 (en) * | 2013-09-30 | 2015-04-01 | Rhodia Poliamida E Especialidades Ltda | Tanning process for obtaining leather |
| EP2853604A1 (en) * | 2013-09-30 | 2015-04-01 | Rhodia Poliamida E Especialidades Ltda | Tanning process |
| CN109628657A (zh) * | 2018-12-29 | 2019-04-16 | 深圳市方润环境科技有限公司 | 一种高档绵羊服装毛革的无盐不浸酸铬鞣方法 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE679484C (de) | 1936-01-13 | 1939-08-07 | Vittorio Casaburi Dr | Verfahren zum Gerben von Haeuten mit dreiwertigen basischen Eisensalzloesungen |
| DE2424300C3 (de) * | 1974-05-18 | 1984-11-08 | Bayer Ag, 5090 Leverkusen | Verfahren zum Chromgerben und Gerbmischung dafür |
| AR208085A1 (es) * | 1974-05-18 | 1976-11-30 | Bayer Ag | Procedimiento de curtido al cromo |
-
1976
- 1976-06-12 DE DE2626429A patent/DE2626429C3/de not_active Expired
-
1977
- 1977-05-31 US US05/802,100 patent/US4101271A/en not_active Expired - Lifetime
- 1977-06-08 GB GB23891/77A patent/GB1543889A/en not_active Expired
- 1977-06-10 BR BR7703765A patent/BR7703765A/pt unknown
- 1977-06-10 AR AR268013A patent/AR214521A1/es active
- 1977-06-10 ES ES459659A patent/ES459659A1/es not_active Expired
- 1977-06-13 FR FR7718087A patent/FR2354382A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| GB1543889A (en) | 1979-04-11 |
| AR214521A1 (es) | 1979-06-29 |
| FR2354382A1 (fr) | 1978-01-06 |
| FR2354382B1 (enExample) | 1982-04-09 |
| DE2626429B2 (de) | 1980-07-10 |
| US4101271A (en) | 1978-07-18 |
| ES459659A1 (es) | 1978-05-01 |
| BR7703765A (pt) | 1978-04-11 |
| DE2626429A1 (de) | 1977-12-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OD | Request for examination | ||
| C3 | Grant after two publication steps (3rd publication) | ||
| 8339 | Ceased/non-payment of the annual fee |