CA2132834A1 - Improved leather - Google Patents
Improved leatherInfo
- Publication number
- CA2132834A1 CA2132834A1 CA002132834A CA2132834A CA2132834A1 CA 2132834 A1 CA2132834 A1 CA 2132834A1 CA 002132834 A CA002132834 A CA 002132834A CA 2132834 A CA2132834 A CA 2132834A CA 2132834 A1 CA2132834 A1 CA 2132834A1
- Authority
- CA
- Canada
- Prior art keywords
- leather
- skins
- anhydride
- hides
- process according
- 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.)
- Abandoned
Links
- 239000010985 leather Substances 0.000 title claims abstract description 68
- 150000008064 anhydrides Chemical class 0.000 claims abstract description 23
- 235000014113 dietary fatty acids Nutrition 0.000 claims abstract description 21
- 239000000194 fatty acid Substances 0.000 claims abstract description 21
- 229930195729 fatty acid Natural products 0.000 claims abstract description 21
- 150000004665 fatty acids Chemical class 0.000 claims abstract description 21
- 239000000203 mixture Substances 0.000 claims abstract description 21
- -1 alkenyl carboxylic acids Chemical class 0.000 claims abstract description 20
- 125000000217 alkyl group Chemical group 0.000 claims abstract description 20
- 239000000839 emulsion Substances 0.000 claims abstract description 17
- 125000004432 carbon atom Chemical group C* 0.000 claims abstract description 15
- KDYFGRWQOYBRFD-UHFFFAOYSA-N succinic acid Chemical compound OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000001384 succinic acid Substances 0.000 claims abstract description 7
- 238000000034 method Methods 0.000 claims description 24
- 230000008569 process Effects 0.000 claims description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 20
- 239000002253 acid Substances 0.000 claims description 15
- 239000003995 emulsifying agent Substances 0.000 claims description 15
- 239000003795 chemical substances by application Substances 0.000 claims description 14
- 229910052751 metal Inorganic materials 0.000 claims description 13
- 239000002184 metal Substances 0.000 claims description 13
- 229940014800 succinic anhydride Drugs 0.000 claims description 13
- FALRKNHUBBKYCC-UHFFFAOYSA-N 2-(chloromethyl)pyridine-3-carbonitrile Chemical compound ClCC1=NC=CC=C1C#N FALRKNHUBBKYCC-UHFFFAOYSA-N 0.000 claims description 9
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 claims description 9
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 7
- 125000003342 alkenyl group Chemical group 0.000 claims description 7
- 150000003839 salts Chemical class 0.000 claims description 7
- 239000011651 chromium Substances 0.000 claims description 6
- 229910052804 chromium Inorganic materials 0.000 claims description 6
- 150000007513 acids Chemical class 0.000 claims description 5
- 159000000013 aluminium salts Chemical class 0.000 claims description 3
- 239000000975 dye Substances 0.000 claims description 3
- 229910052739 hydrogen Inorganic materials 0.000 claims description 3
- 239000001257 hydrogen Substances 0.000 claims description 3
- 150000001735 carboxylic acids Chemical class 0.000 claims 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims 1
- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 claims 1
- 125000002485 formyl group Chemical class [H]C(*)=O 0.000 claims 1
- 150000002762 monocarboxylic acid derivatives Chemical class 0.000 claims 1
- 239000005871 repellent Substances 0.000 abstract description 13
- 239000003637 basic solution Substances 0.000 abstract 1
- 235000011044 succinic acid Nutrition 0.000 description 8
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 7
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 7
- 238000005461 lubrication Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 7
- 239000000047 product Substances 0.000 description 6
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 5
- 235000011114 ammonium hydroxide Nutrition 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 5
- 230000035515 penetration Effects 0.000 description 5
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 4
- 230000020477 pH reduction Effects 0.000 description 4
- 239000004094 surface-active agent Substances 0.000 description 4
- 230000002378 acidificating effect Effects 0.000 description 3
- 229910021529 ammonia Inorganic materials 0.000 description 3
- 239000000908 ammonium hydroxide Substances 0.000 description 3
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 238000004043 dyeing Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 235000013311 vegetables Nutrition 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- 238000004078 waterproofing Methods 0.000 description 3
- 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 2
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 2
- SXRSQZLOMIGNAQ-UHFFFAOYSA-N Glutaraldehyde Chemical compound O=CCCCC=O SXRSQZLOMIGNAQ-UHFFFAOYSA-N 0.000 description 2
- YNAVUWVOSKDBBP-UHFFFAOYSA-N Morpholine Chemical compound C1COCCN1 YNAVUWVOSKDBBP-UHFFFAOYSA-N 0.000 description 2
- GOOHAUXETOMSMM-UHFFFAOYSA-N Propylene oxide Chemical class CC1CO1 GOOHAUXETOMSMM-UHFFFAOYSA-N 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 2
- 239000012670 alkaline solution Substances 0.000 description 2
- 150000001412 amines Chemical class 0.000 description 2
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Natural products OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 235000019253 formic acid Nutrition 0.000 description 2
- 238000005470 impregnation Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 150000002763 monocarboxylic acids Chemical class 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 150000003444 succinic acids Chemical class 0.000 description 2
- PXRKCOCTEMYUEG-UHFFFAOYSA-N 5-aminoisoindole-1,3-dione Chemical compound NC1=CC=C2C(=O)NC(=O)C2=C1 PXRKCOCTEMYUEG-UHFFFAOYSA-N 0.000 description 1
- 241001201053 Acacia deanei Species 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonium chloride Substances [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-M Bicarbonate Chemical class OC([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-M 0.000 description 1
- FEWJPZIEWOKRBE-JCYAYHJZSA-N Dextrotartaric acid Chemical compound OC(=O)[C@H](O)[C@@H](O)C(O)=O FEWJPZIEWOKRBE-JCYAYHJZSA-N 0.000 description 1
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 1
- 241000521257 Hydrops Species 0.000 description 1
- 206010030113 Oedema Diseases 0.000 description 1
- 235000021314 Palmitic acid Nutrition 0.000 description 1
- 241001307210 Pene Species 0.000 description 1
- 229920002367 Polyisobutene Polymers 0.000 description 1
- 235000017343 Quebracho blanco Nutrition 0.000 description 1
- 241000065615 Schinopsis balansae Species 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 1
- FEWJPZIEWOKRBE-UHFFFAOYSA-N Tartaric acid Natural products [H+].[H+].[O-]C(=O)C(O)C(O)C([O-])=O FEWJPZIEWOKRBE-UHFFFAOYSA-N 0.000 description 1
- IKHGUXGNUITLKF-XPULMUKRSA-N acetaldehyde Chemical compound [14CH]([14CH3])=O IKHGUXGNUITLKF-XPULMUKRSA-N 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000003483 aging Methods 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 150000001299 aldehydes Chemical class 0.000 description 1
- 125000003545 alkoxy group Chemical group 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 150000001399 aluminium compounds Chemical class 0.000 description 1
- 125000003277 amino group Chemical group 0.000 description 1
- 239000012874 anionic emulsifier Substances 0.000 description 1
- 229940077746 antacid containing aluminium compound Drugs 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 125000002091 cationic group Chemical group 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 150000001844 chromium Chemical class 0.000 description 1
- IVKVYYVDZLZGGY-UHFFFAOYSA-K chromium(3+);octadecanoate Chemical class [Cr+3].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O IVKVYYVDZLZGGY-UHFFFAOYSA-K 0.000 description 1
- 239000007957 coemulsifier Substances 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 238000012505 colouration Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 150000001991 dicarboxylic acids Chemical class 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000005108 dry cleaning Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 150000002334 glycols Chemical class 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 150000004679 hydroxides Chemical class 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 239000012875 nonionic emulsifier Substances 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 150000002943 palmitic acids Chemical class 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 229920005652 polyisobutylene succinic anhydride Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 229920001296 polysiloxane Chemical class 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000002940 repellent Effects 0.000 description 1
- 230000001846 repelling effect Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
- 235000017557 sodium bicarbonate Nutrition 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000010186 staining Methods 0.000 description 1
- 239000001117 sulphuric acid Substances 0.000 description 1
- 235000011149 sulphuric acid Nutrition 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 239000003784 tall oil Substances 0.000 description 1
- 239000011975 tartaric acid Substances 0.000 description 1
- 235000002906 tartaric acid Nutrition 0.000 description 1
- 230000009466 transformation Effects 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
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)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB929206791A GB9206791D0 (en) | 1992-03-27 | 1992-03-27 | Improved leather |
| GB9206791.7 | 1992-03-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2132834A1 true CA2132834A1 (en) | 1993-10-14 |
Family
ID=10713018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002132834A Abandoned CA2132834A1 (en) | 1992-03-27 | 1993-03-24 | Improved leather |
Country Status (7)
| Country | Link |
|---|---|
| EP (1) | EP0632840B1 (de) |
| JP (1) | JPH07505184A (de) |
| AT (1) | ATE158617T1 (de) |
| CA (1) | CA2132834A1 (de) |
| DE (1) | DE69314168T2 (de) |
| GB (1) | GB9206791D0 (de) |
| WO (1) | WO1993020243A1 (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20230212214A1 (en) | 2020-05-25 | 2023-07-06 | Nissan Chemical Corporation | Cleavable dna-encoded library |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1297942A (de) * | 1969-03-04 | 1972-11-29 | ||
| US3668124A (en) * | 1970-05-13 | 1972-06-06 | Pennwalt Corp | Composition and method for treating dry-cleanable soil-resistant leathers |
| US3749669A (en) * | 1971-06-21 | 1973-07-31 | Us Agriculture | Lubricants for hides and leather |
| GB8800299D0 (en) * | 1988-01-07 | 1988-02-10 | Manzo G | Process for production of improved lubricated leather |
-
1992
- 1992-03-27 GB GB929206791A patent/GB9206791D0/en active Pending
-
1993
- 1993-03-24 CA CA002132834A patent/CA2132834A1/en not_active Abandoned
- 1993-03-24 WO PCT/EP1993/000711 patent/WO1993020243A1/en active IP Right Grant
- 1993-03-24 EP EP93906600A patent/EP0632840B1/de not_active Expired - Lifetime
- 1993-03-24 AT AT93906600T patent/ATE158617T1/de not_active IP Right Cessation
- 1993-03-24 JP JP5517045A patent/JPH07505184A/ja active Pending
- 1993-03-24 DE DE69314168T patent/DE69314168T2/de not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| EP0632840B1 (de) | 1997-09-24 |
| EP0632840A1 (de) | 1995-01-11 |
| ATE158617T1 (de) | 1997-10-15 |
| WO1993020243A1 (en) | 1993-10-14 |
| JPH07505184A (ja) | 1995-06-08 |
| GB9206791D0 (en) | 1992-05-13 |
| DE69314168D1 (de) | 1997-10-30 |
| DE69314168T2 (de) | 1998-05-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FZDE | Discontinued |