EP3469105A1 - Process for pretanning or retanning leather using carboxymethylcellulose and its salts - Google Patents
Process for pretanning or retanning leather using carboxymethylcellulose and its saltsInfo
- Publication number
- EP3469105A1 EP3469105A1 EP17716121.3A EP17716121A EP3469105A1 EP 3469105 A1 EP3469105 A1 EP 3469105A1 EP 17716121 A EP17716121 A EP 17716121A EP 3469105 A1 EP3469105 A1 EP 3469105A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cmc
- composition
- leather
- agents
- mol
- 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- Withdrawn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
- 229920002134 Carboxymethyl cellulose Polymers 0.000 title claims abstract description 77
- 235000010948 carboxy methyl cellulose Nutrition 0.000 title claims abstract description 77
- 239000010985 leather Substances 0.000 title claims abstract description 63
- 238000000034 method Methods 0.000 title claims abstract description 26
- 239000001768 carboxy methyl cellulose Substances 0.000 title claims abstract description 23
- 230000008569 process Effects 0.000 title claims abstract description 23
- 239000008112 carboxymethyl-cellulose Substances 0.000 title claims abstract description 13
- 150000003839 salts Chemical class 0.000 title claims abstract description 7
- 239000000203 mixture Substances 0.000 claims abstract description 70
- 239000000843 powder Substances 0.000 claims abstract description 10
- 238000001035 drying Methods 0.000 claims abstract description 5
- 239000003795 chemical substances by application Substances 0.000 claims description 56
- 229920000642 polymer Polymers 0.000 claims description 42
- 238000006467 substitution reaction Methods 0.000 claims description 17
- 239000000975 dye Substances 0.000 claims description 15
- 238000004043 dyeing Methods 0.000 claims description 13
- 239000000654 additive Substances 0.000 claims description 7
- 229920005615 natural polymer Polymers 0.000 claims description 7
- 235000013311 vegetables Nutrition 0.000 claims description 7
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- 239000011651 chromium Substances 0.000 claims description 6
- 229910052804 chromium Inorganic materials 0.000 claims description 6
- 239000011347 resin Substances 0.000 claims description 6
- 229920005989 resin Polymers 0.000 claims description 6
- 150000003755 zirconium compounds Chemical class 0.000 claims description 6
- 239000004411 aluminium Substances 0.000 claims description 5
- 229920001577 copolymer Polymers 0.000 claims description 5
- 230000000996 additive effect Effects 0.000 claims description 2
- 239000008186 active pharmaceutical agent Substances 0.000 claims 7
- 239000000243 solution Substances 0.000 description 29
- 239000007787 solid Substances 0.000 description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 19
- 230000000052 comparative effect Effects 0.000 description 18
- 229910052736 halogen Inorganic materials 0.000 description 18
- 150000002367 halogens Chemical class 0.000 description 18
- 229920000058 polyacrylate Polymers 0.000 description 17
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 14
- DPXJVFZANSGRMM-UHFFFAOYSA-N acetic acid;2,3,4,5,6-pentahydroxyhexanal;sodium Chemical compound [Na].CC(O)=O.OCC(O)C(O)C(O)C(O)C=O DPXJVFZANSGRMM-UHFFFAOYSA-N 0.000 description 13
- 239000007864 aqueous solution Substances 0.000 description 12
- 235000019812 sodium carboxymethyl cellulose Nutrition 0.000 description 12
- 230000000694 effects Effects 0.000 description 11
- 108010059892 Cellulase Proteins 0.000 description 10
- 229940105329 carboxymethylcellulose Drugs 0.000 description 10
- 239000000178 monomer Substances 0.000 description 10
- 238000001542 size-exclusion chromatography Methods 0.000 description 10
- 229940106157 cellulase Drugs 0.000 description 9
- 229920002678 cellulose Polymers 0.000 description 9
- 239000001913 cellulose Substances 0.000 description 9
- 235000010980 cellulose Nutrition 0.000 description 9
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 8
- 239000011521 glass Substances 0.000 description 7
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 6
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- 239000004809 Teflon Substances 0.000 description 6
- 229920006362 Teflon® Polymers 0.000 description 6
- 238000001816 cooling Methods 0.000 description 6
- 239000008367 deionised water Substances 0.000 description 6
- 229910021641 deionized water Inorganic materials 0.000 description 6
- 229920001027 sodium carboxymethylcellulose Polymers 0.000 description 6
- 238000003801 milling Methods 0.000 description 5
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 4
- 108090000790 Enzymes Proteins 0.000 description 4
- 102000004190 Enzymes Human genes 0.000 description 4
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical group CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 description 4
- 238000004061 bleaching Methods 0.000 description 4
- 229940088598 enzyme Drugs 0.000 description 4
- 235000019253 formic acid Nutrition 0.000 description 4
- 239000002562 thickening agent Substances 0.000 description 4
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 description 3
- 229920001222 biopolymer Polymers 0.000 description 3
- 230000007515 enzymatic degradation Effects 0.000 description 3
- 235000013305 food Nutrition 0.000 description 3
- 239000008103 glucose Substances 0.000 description 3
- 231100000053 low toxicity Toxicity 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- 235000019198 oils Nutrition 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- 101150023060 ACR2 gene Proteins 0.000 description 2
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 2
- 101710156496 Endoglucanase A Proteins 0.000 description 2
- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 description 2
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 2
- 108010009736 Protein Hydrolysates Proteins 0.000 description 2
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 2
- 229920002125 Sokalan® Polymers 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 229920006243 acrylic copolymer Polymers 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 2
- 238000004220 aggregation Methods 0.000 description 2
- 125000005907 alkyl ester group Chemical group 0.000 description 2
- 239000003139 biocide Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 2
- 125000002057 carboxymethyl group Chemical group [H]OC(=O)C([H])([H])[*] 0.000 description 2
- 108010085318 carboxymethylcellulase Proteins 0.000 description 2
- -1 celludextrinase Proteins 0.000 description 2
- 238000012512 characterization method Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 230000003292 diminished effect Effects 0.000 description 2
- 150000004676 glycans Chemical class 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 239000000017 hydrogel Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229920001282 polysaccharide Polymers 0.000 description 2
- 239000005017 polysaccharide Substances 0.000 description 2
- 239000003531 protein hydrolysate Substances 0.000 description 2
- 238000010526 radical polymerization reaction Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000013074 reference sample Substances 0.000 description 2
- 239000003381 stabilizer Substances 0.000 description 2
- 230000008719 thickening Effects 0.000 description 2
- WHOZNOZYMBRCBL-OUKQBFOZSA-N (2E)-2-Tetradecenal Chemical compound CCCCCCCCCCC\C=C\C=O WHOZNOZYMBRCBL-OUKQBFOZSA-N 0.000 description 1
- FHVDTGUDJYJELY-UHFFFAOYSA-N 6-{[2-carboxy-4,5-dihydroxy-6-(phosphanyloxy)oxan-3-yl]oxy}-4,5-dihydroxy-3-phosphanyloxane-2-carboxylic acid Chemical compound O1C(C(O)=O)C(P)C(O)C(O)C1OC1C(C(O)=O)OC(OP)C(O)C1O FHVDTGUDJYJELY-UHFFFAOYSA-N 0.000 description 1
- 235000011468 Albizia julibrissin Nutrition 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- 241000894006 Bacteria Species 0.000 description 1
- 229920002498 Beta-glucan Polymers 0.000 description 1
- 235000017399 Caesalpinia tinctoria Nutrition 0.000 description 1
- QMGYPNKICQJHLN-UHFFFAOYSA-M Carboxymethylcellulose cellulose carboxymethyl ether Chemical compound [Na+].CC([O-])=O.OCC(O)C(O)C(O)C(O)C=O QMGYPNKICQJHLN-UHFFFAOYSA-M 0.000 description 1
- 241001070941 Castanea Species 0.000 description 1
- 235000014036 Castanea Nutrition 0.000 description 1
- 108010084185 Cellulases Proteins 0.000 description 1
- 102000005575 Cellulases Human genes 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 101710156500 Endoglucanase D Proteins 0.000 description 1
- 241000233866 Fungi Species 0.000 description 1
- 108090000604 Hydrolases Proteins 0.000 description 1
- 102000004157 Hydrolases Human genes 0.000 description 1
- 239000004166 Lanolin Substances 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- 240000005852 Mimosa quadrivalvis Species 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
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 101710147478 Probable endo-beta-1,4-glucanase D Proteins 0.000 description 1
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 241000388430 Tara Species 0.000 description 1
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000000980 acid dye Substances 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 229940072056 alginate Drugs 0.000 description 1
- 235000010443 alginic acid Nutrition 0.000 description 1
- 229920000615 alginic acid Polymers 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 150000008064 anhydrides Chemical class 0.000 description 1
- 125000000129 anionic group Chemical group 0.000 description 1
- 150000001491 aromatic compounds Chemical class 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000000987 azo dye Substances 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000006065 biodegradation reaction Methods 0.000 description 1
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 1
- 239000000679 carrageenan Substances 0.000 description 1
- 235000010418 carrageenan Nutrition 0.000 description 1
- 229920001525 carrageenan Polymers 0.000 description 1
- 229940113118 carrageenan Drugs 0.000 description 1
- 239000004359 castor oil Substances 0.000 description 1
- 235000019438 castor oil Nutrition 0.000 description 1
- 125000002091 cationic group Chemical group 0.000 description 1
- 238000007385 chemical modification Methods 0.000 description 1
- 125000001309 chloro group Chemical group Cl* 0.000 description 1
- AGOYDEPGAOXOCK-KCBOHYOISA-N clarithromycin Chemical compound O([C@@H]1[C@@H](C)C(=O)O[C@@H]([C@@]([C@H](O)[C@@H](C)C(=O)[C@H](C)C[C@](C)([C@H](O[C@H]2[C@@H]([C@H](C[C@@H](C)O2)N(C)C)O)[C@H]1C)OC)(C)O)CC)[C@H]1C[C@@](C)(OC)[C@@H](O)[C@H](C)O1 AGOYDEPGAOXOCK-KCBOHYOISA-N 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000003240 coconut oil Substances 0.000 description 1
- 235000019864 coconut oil Nutrition 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 239000007859 condensation product Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 231100000613 environmental toxicology Toxicity 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- UIWXSTHGICQLQT-UHFFFAOYSA-N ethenyl propanoate Chemical compound CCC(=O)OC=C UIWXSTHGICQLQT-UHFFFAOYSA-N 0.000 description 1
- 238000006266 etherification reaction Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 239000003925 fat Substances 0.000 description 1
- 235000019197 fats Nutrition 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 235000021323 fish oil Nutrition 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- ZEMPKEQAKRGZGQ-XOQCFJPHSA-N glycerol triricinoleate Natural products CCCCCC[C@@H](O)CC=CCCCCCCCC(=O)OC[C@@H](COC(=O)CCCCCCCC=CC[C@@H](O)CCCCCC)OC(=O)CCCCCCCC=CC[C@H](O)CCCCCC ZEMPKEQAKRGZGQ-XOQCFJPHSA-N 0.000 description 1
- 239000000416 hydrocolloid Substances 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 238000011534 incubation Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000000543 intermediate Substances 0.000 description 1
- 235000019388 lanolin Nutrition 0.000 description 1
- 229940039717 lanolin Drugs 0.000 description 1
- 239000010699 lard oil Substances 0.000 description 1
- 239000000991 leather dye Substances 0.000 description 1
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 1
- 239000011976 maleic acid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000010534 mechanism of action Effects 0.000 description 1
- 239000000434 metal complex dye Substances 0.000 description 1
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 1
- 238000007069 methylation reaction Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 235000010755 mineral Nutrition 0.000 description 1
- 239000002480 mineral oil Substances 0.000 description 1
- 235000010446 mineral oil Nutrition 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 150000002772 monosaccharides Chemical class 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
- 230000007935 neutral effect Effects 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 231100000956 nontoxicity Toxicity 0.000 description 1
- 229920001542 oligosaccharide Polymers 0.000 description 1
- 150000002482 oligosaccharides Chemical class 0.000 description 1
- 239000004006 olive oil Substances 0.000 description 1
- 235000008390 olive oil Nutrition 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- 229940044654 phenolsulfonic acid Drugs 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000012667 polymer degradation Methods 0.000 description 1
- 238000000710 polymer precipitation Methods 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 235000007686 potassium Nutrition 0.000 description 1
- 239000012266 salt solution Substances 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 235000017557 sodium bicarbonate Nutrition 0.000 description 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
- HLBBKKJFGFRGMU-UHFFFAOYSA-M sodium formate Chemical compound [Na+].[O-]C=O HLBBKKJFGFRGMU-UHFFFAOYSA-M 0.000 description 1
- 229940023144 sodium glycolate Drugs 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 229940032147 starch Drugs 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000988 sulfur dye Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 230000009974 thixotropic effect Effects 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 231100000027 toxicology Toxicity 0.000 description 1
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 1
- JEJAMASKDTUEBZ-UHFFFAOYSA-N tris(1,1,3-tribromo-2,2-dimethylpropyl) phosphate Chemical compound BrCC(C)(C)C(Br)(Br)OP(=O)(OC(Br)(Br)C(C)(C)CBr)OC(Br)(Br)C(C)(C)CBr JEJAMASKDTUEBZ-UHFFFAOYSA-N 0.000 description 1
- 235000019871 vegetable fat Nutrition 0.000 description 1
- 229920001567 vinyl ester resin Polymers 0.000 description 1
- 229920003169 water-soluble polymer Polymers 0.000 description 1
- UHVMMEOXYDMDKI-JKYCWFKZSA-L zinc;1-(5-cyanopyridin-2-yl)-3-[(1s,2s)-2-(6-fluoro-2-hydroxy-3-propanoylphenyl)cyclopropyl]urea;diacetate Chemical compound [Zn+2].CC([O-])=O.CC([O-])=O.CCC(=O)C1=CC=C(F)C([C@H]2[C@H](C2)NC(=O)NC=2N=CC(=CC=2)C#N)=C1O UHVMMEOXYDMDKI-JKYCWFKZSA-L 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C14—SKINS; HIDES; PELTS; LEATHER
- C14C—CHEMICAL TREATMENT OF HIDES, SKINS OR LEATHER, e.g. TANNING, IMPREGNATING, FINISHING; APPARATUS THEREFOR; COMPOSITIONS FOR TANNING
- C14C9/00—Impregnating leather for preserving, waterproofing, making resistant to heat or similar purposes
- C14C9/02—Impregnating leather for preserving, waterproofing, making resistant to heat or similar purposes using fatty or oily materials, e.g. fat liquoring
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L1/00—Compositions of cellulose, modified cellulose or cellulose derivatives
- C08L1/08—Cellulose derivatives
- C08L1/26—Cellulose ethers
- C08L1/28—Alkyl ethers
- C08L1/286—Alkyl ethers substituted with acid radicals, e.g. carboxymethyl cellulose [CMC]
-
- 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
- C14C3/10—Vegetable tanning
- C14C3/12—Vegetable tanning using purified or modified vegetable tanning agents
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
- D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
- D06P1/46—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders using compositions containing natural macromolecular substances or derivatives thereof
- D06P1/48—Derivatives of carbohydrates
- D06P1/50—Derivatives of cellulose
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P3/00—Special processes of dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form, classified according to the material treated
- D06P3/02—Material containing basic nitrogen
- D06P3/04—Material containing basic nitrogen containing amide groups
- D06P3/32—Material containing basic nitrogen containing amide groups leather skins
- D06P3/3206—Material containing basic nitrogen containing amide groups leather skins using acid dyes
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P3/00—Special processes of dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form, classified according to the material treated
- D06P3/02—Material containing basic nitrogen
- D06P3/04—Material containing basic nitrogen containing amide groups
- D06P3/32—Material containing basic nitrogen containing amide groups leather skins
- D06P3/3206—Material containing basic nitrogen containing amide groups leather skins using acid dyes
- D06P3/3226—Material containing basic nitrogen containing amide groups leather skins using acid dyes dis-polyazo
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P3/00—Special processes of dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form, classified according to the material treated
- D06P3/02—Material containing basic nitrogen
- D06P3/04—Material containing basic nitrogen containing amide groups
- D06P3/32—Material containing basic nitrogen containing amide groups leather skins
- D06P3/3206—Material containing basic nitrogen containing amide groups leather skins using acid dyes
- D06P3/3226—Material containing basic nitrogen containing amide groups leather skins using acid dyes dis-polyazo
- D06P3/3233—Material containing basic nitrogen containing amide groups leather skins using acid dyes dis-polyazo using dis-polyazo premetallised dyes
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P3/00—Special processes of dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form, classified according to the material treated
- D06P3/02—Material containing basic nitrogen
- D06P3/04—Material containing basic nitrogen containing amide groups
- D06P3/32—Material containing basic nitrogen containing amide groups leather skins
- D06P3/3246—Material containing basic nitrogen containing amide groups leather skins using vat, sulfur or indigo dyes
Landscapes
- Chemical & Material Sciences (AREA)
- Textile Engineering (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Molecular Biology (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Treatment And Processing Of Natural Fur Or Leather (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP16174105.3A EP3257955B1 (en) | 2016-06-13 | 2016-06-13 | Process for pretanning or retanning leather using carboxymethylcellulose and its salts |
PCT/EP2017/000400 WO2017215773A1 (en) | 2016-06-13 | 2017-03-31 | Process for pretanning or retanning leather using carboxymethylcellulose and its salts |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3469105A1 true EP3469105A1 (en) | 2019-04-17 |
Family
ID=56148138
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP16174105.3A Active EP3257955B1 (en) | 2016-06-13 | 2016-06-13 | Process for pretanning or retanning leather using carboxymethylcellulose and its salts |
EP17716121.3A Withdrawn EP3469105A1 (en) | 2016-06-13 | 2017-03-31 | Process for pretanning or retanning leather using carboxymethylcellulose and its salts |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP16174105.3A Active EP3257955B1 (en) | 2016-06-13 | 2016-06-13 | Process for pretanning or retanning leather using carboxymethylcellulose and its salts |
Country Status (6)
Country | Link |
---|---|
EP (2) | EP3257955B1 (en) |
CN (1) | CN109642260B (en) |
ES (1) | ES2930450T3 (en) |
MX (1) | MX2018014609A (en) |
PT (1) | PT3257955T (en) |
WO (1) | WO2017215773A1 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109628655B (en) * | 2018-12-17 | 2021-04-20 | 兴业皮革科技股份有限公司 | Production process of soft full-grain plane leather with cotton bubbles |
CN109628659B (en) * | 2018-12-17 | 2021-04-23 | 兴业皮革科技股份有限公司 | Ecological environment-friendly type vegetable tanning cattle vamp leather production process |
CN111320332B (en) * | 2020-03-31 | 2022-02-18 | 河南中牛实业有限公司 | Leather sewage emission reduction treatment method |
CN111321260B (en) * | 2020-03-31 | 2022-01-28 | 河南中牛实业有限公司 | Environment-friendly chromium-free retanning method for leather |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2205883A (en) | 1938-06-16 | 1940-06-25 | Du Pont | Tanning |
US2205882A (en) | 1938-06-16 | 1940-06-25 | Du Pont | Tanning |
US3744969A (en) | 1970-06-09 | 1973-07-10 | Rohm & Haas | Break resistant leather |
US4314802A (en) | 1979-08-24 | 1982-02-09 | Rohm And Haas Company | Process for producing leather |
DE3267088D1 (en) | 1981-03-06 | 1985-12-05 | Ciba Geigy Ag | Method of retanning leather with acrylic oligomers |
DE3201226A1 (en) | 1982-01-16 | 1983-07-28 | Basf Ag, 6700 Ludwigshafen | GIVING IN PROCESS |
JPS62177287A (en) * | 1986-01-24 | 1987-08-04 | ダイセル化学工業株式会社 | Migration inhibitor for dyeing |
US5820633A (en) | 1996-09-20 | 1998-10-13 | Lesko; Patricia Marie | Method of treating leather with improved retaining agents |
DE102007051378A1 (en) | 2007-03-23 | 2008-09-25 | Council Of Scientific & Industrial Research | Tanning composition for tanning leather, contains biopolymer chosen from sodium alginate, starch and/or carrageenan, protein hydrolysate, sodium metabisulfite and acrylic/methacrylic acid, each in specified range |
CN102199675B (en) * | 2011-04-12 | 2012-06-20 | 王学川 | Clean process for producing leather by using sturgeon skin |
US20150111025A1 (en) * | 2012-06-26 | 2015-04-23 | Toray Industries, Inc. | Dispersion liquid of carbon nanotube-containing composition and conductive molded body |
US9464227B2 (en) * | 2014-03-24 | 2016-10-11 | Lamberti Spa | Moisturizing agents |
CN104032047A (en) * | 2014-07-06 | 2014-09-10 | 杨帆 | Chromium-aluminum tanning agent for tanning leather |
CN104846129A (en) * | 2015-05-28 | 2015-08-19 | 青岛百千川海洋生态科技有限公司 | Green environment-friendly leather tanning agent |
-
2016
- 2016-06-13 PT PT161741053T patent/PT3257955T/en unknown
- 2016-06-13 EP EP16174105.3A patent/EP3257955B1/en active Active
- 2016-06-13 ES ES16174105T patent/ES2930450T3/en active Active
-
2017
- 2017-03-31 MX MX2018014609A patent/MX2018014609A/en unknown
- 2017-03-31 EP EP17716121.3A patent/EP3469105A1/en not_active Withdrawn
- 2017-03-31 CN CN201780035120.7A patent/CN109642260B/en active Active
- 2017-03-31 WO PCT/EP2017/000400 patent/WO2017215773A1/en unknown
Also Published As
Publication number | Publication date |
---|---|
ES2930450T3 (en) | 2022-12-13 |
WO2017215773A1 (en) | 2017-12-21 |
WO2017215773A9 (en) | 2018-08-23 |
CN109642260B (en) | 2022-05-17 |
EP3257955A1 (en) | 2017-12-20 |
EP3257955B1 (en) | 2022-09-07 |
CN109642260A (en) | 2019-04-16 |
PT3257955T (en) | 2022-11-28 |
MX2018014609A (en) | 2019-03-01 |
BR112018072409A2 (en) | 2019-02-19 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP3257955B1 (en) | Process for pretanning or retanning leather using carboxymethylcellulose and its salts | |
KR101529421B1 (en) | Polysaccharide and/or polypeptide based graft polymers as synthetic tannins | |
Ding et al. | Constructing a robust chrome-free leather tanned by biomass-derived polyaldehyde via crosslinking with chitosan derivatives | |
Hao et al. | Chrome-free tanning agent based on epoxy-modified dialdehyde starch towards sustainable leather making | |
US3912713A (en) | Guar gum derivatives and process for preparation | |
US20080229511A1 (en) | Process for the Preparation of Synthetic Tanning Agent for Improved Leather Characteristics | |
DE1177129B (en) | Process for the production of swell starch chemistry ethers and / or esters | |
WO2013093098A1 (en) | Leather manufacturing process using a soluble oxidized starch-derived polysaccharide and compositions containing it. | |
NO803637L (en) | WATER SOLUBLE GUAR PRODUCT AND PROCEDURE IN THE PREPARATION OF THIS | |
Grenda et al. | Cationization of Eucalyptus wood waste pulps with diverse lignin contents for potential application in colored wastewater treatment | |
CN107075311B (en) | Process for preparing hydrolysed collagen for tanning or in tanning leather using wet blue leather waste and product obtained by the process | |
Rahaman et al. | Utilization of waste textile cotton by synthesizing sodium carboxymethyl cellulose: an approach to minimize textile solid waste | |
CN109234477A (en) | A kind of preparation method of Chrome-free leather | |
El-Rahman et al. | Advancements in thickening agents used in textile printing | |
BR112018072409B1 (en) | PROCESS FOR TANNING, PRE-TANNING OR RETAINING OF LEATHER | |
CN111118232B (en) | Retanning filler and preparation method thereof | |
CN112041466B (en) | Leather treatment comprising the use of pectin | |
CN101633629B (en) | Polyurethane cross-linking agent and application thereof for preparing cross-linked aquagel | |
Ozkan et al. | Usage of starch in leather making | |
CN114507754A (en) | Amphoteric leather tanning agent and preparation method and application thereof | |
JPH06220101A (en) | Highly substituted sulfoalkylcellulose derivatives especially sulfoethylcellulose, their production and their use as thickeners for textile printing pastes | |
Lu et al. | Modification of Antheraea pernyi silk with reactive quaternary ammonium salt of chitosan | |
WO2024063646A1 (en) | Grafted polymer of mono-unsaturated polycarboxylic acid as dyeing auxiliary or as re-tanning agent for leather | |
PL128890B2 (en) | Method of obtaining a glueing agent | |
CH511901A (en) | Starch etherification and gelatinisation |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: UNKNOWN |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE |
|
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 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE |
|
17P | Request for examination filed |
Effective date: 20190114 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
AX | Request for extension of the european patent |
Extension state: BA ME |
|
DAV | Request for validation of the european patent (deleted) | ||
DAX | Request for extension of the european patent (deleted) | ||
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: EXAMINATION IS IN PROGRESS |
|
17Q | First examination report despatched |
Effective date: 20191113 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: EXAMINATION IS IN PROGRESS |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: EXAMINATION IS IN PROGRESS |
|
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: GRANT OF PATENT IS INTENDED |
|
RIC1 | Information provided on ipc code assigned before grant |
Ipc: D06P 3/32 20060101ALI20221215BHEP Ipc: D06P 1/50 20060101ALI20221215BHEP Ipc: C14C 9/02 20060101ALI20221215BHEP Ipc: C08L 1/28 20060101ALI20221215BHEP Ipc: D06P 3/00 20060101ALI20221215BHEP Ipc: C14C 3/12 20060101AFI20221215BHEP |
|
INTG | Intention to grant announced |
Effective date: 20230105 |
|
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: 20230516 |