ES2068965T3 - Procedimiento para el curtido unico de pieles en tripa y para el recurtido de cuero al cromo. - Google Patents
Procedimiento para el curtido unico de pieles en tripa y para el recurtido de cuero al cromo.Info
- Publication number
- ES2068965T3 ES2068965T3 ES90119881T ES90119881T ES2068965T3 ES 2068965 T3 ES2068965 T3 ES 2068965T3 ES 90119881 T ES90119881 T ES 90119881T ES 90119881 T ES90119881 T ES 90119881T ES 2068965 T3 ES2068965 T3 ES 2068965T3
- Authority
- ES
- Spain
- Prior art keywords
- leather
- mol
- tanning
- chrome
- guts
- 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 - Lifetime
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G16/00—Condensation polymers of aldehydes or ketones with monomers not provided for in the groups C08G4/00 - C08G14/00
- C08G16/02—Condensation polymers of aldehydes or ketones with monomers not provided for in the groups C08G4/00 - C08G14/00 of aldehydes
-
- 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
-
- 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
- C14C3/28—Multi-step processes
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Treatment And Processing Of Natural Fur Or Leather (AREA)
Abstract
PARA EJECUTAR ESTE PROCEDIMIENTO SE USA UN PRODUCTO DE CONDENSACION, SOLUBLE EN AGUA, Y QUE CONSISTE EN A) 1 MOL DE MELAMINA, DICIANDIAMIDA, UREA O TIOUREA O DE UNA MEZCLA DE ESTOS COMPUESTOS, B) 0,5 A 12 MOLES DE ACIDO GLIOXILICO O DE UN DIALDEHIDO ALIFATICO CON HASTA 6 ATOMOS-C O DE UNA MEZCLA DE ESTOS COMPUESTOS, C) 0 A 3 MOLES DE UN COMPUESTO CONDENSABLE CON, AL MENOS, UN GRUPO HIDROXILO FENOLICO O, AL MENOS, UN GRUPO HIDROXILO ALCOHOLICO Y D) 0 A 3 MOLES DE UN COMPUESTO CONDENSABLE CON UNA AGRUPACION DE AMIDAS O DE AMINAS O LAS SALES DE METAL ALCALINO O LAS SALES AMONICAS DE ESTOS PRODUCTOS DE LA CONDENSACION.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3935879A DE3935879A1 (de) | 1989-10-27 | 1989-10-27 | Verfahren zum alleingerben von bloessen und zum nachgerben von chromleder |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2068965T3 true ES2068965T3 (es) | 1995-05-01 |
Family
ID=6392402
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES90119881T Expired - Lifetime ES2068965T3 (es) | 1989-10-27 | 1990-10-17 | Procedimiento para el curtido unico de pieles en tripa y para el recurtido de cuero al cromo. |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0429830B1 (es) |
AT (1) | ATE119945T1 (es) |
DE (2) | DE3935879A1 (es) |
ES (1) | ES2068965T3 (es) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4108139A1 (de) * | 1991-03-13 | 1992-09-17 | Boehme Chem Fab Kg | Verfahren zum gerben von leder und pelzen |
DE4131202A1 (de) * | 1991-09-19 | 1993-03-25 | Bayer Ag | Verfahren zur herstellung von chromleder |
AT397958B (de) * | 1992-05-08 | 1994-08-25 | Chemie Linz Gmbh | Verwendung von kondensationsprodukten aus melamin und glyoxylsäure als zusatzmittel für hydraulische bindemittel und baustoff |
DE4217181A1 (de) * | 1992-05-23 | 1993-11-25 | Chemie Linz Deutschland | Verwendung von Kondensationsprodukten aus Melamin und Glyoxylsäure als Zusatzmittel für hydraulische Bindemittel und Baustoff |
DE19627531B4 (de) * | 1996-07-09 | 2006-11-02 | Construction Research & Technology Gmbh | Wasserlösliche formaldehydfreie Polykondensationsprodukte auf Basis von Amino-s-triazinen |
DE10322107B4 (de) * | 2003-03-26 | 2005-09-08 | Ami-Agrolinz Melamine International Gmbh | Aminotriazin-Kondensationsprodukt, Verwendung eines Aminotriazin-Kondensationsproduktes und Verfahren zur Herstellung des Aminotriazin-Kondensationsproduktes |
US7381347B2 (en) * | 2003-03-31 | 2008-06-03 | Cytec Technology Corp. | Crosslinking composition |
US7034086B2 (en) | 2003-03-31 | 2006-04-25 | Cytec Technology Corp. | Melamine and guanamine-based crosslinking composition |
US7169881B2 (en) | 2004-10-29 | 2007-01-30 | Clariant (France) | Aminoplast resin compositions |
DE102006029408A1 (de) * | 2006-06-23 | 2007-12-27 | Lanxess Deutschland Gmbh | Säuregruppenhaltige Dialdehyd Kondensationsprodukte |
DE102013014641B4 (de) | 2013-09-04 | 2018-07-12 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Holzwerkstoffprodukt oder Naturfaser-Verbundwerkstoffprodukt und Verwendung eines formaldehydfreien Aminoplastharzes zu deren Herstellung |
EP3080204A1 (de) * | 2013-12-12 | 2016-10-19 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Holzwerkstoffprodukt oder naturfaser-verbundwerkstoffprodukt und verwendung eines formaldehydfreien amino- und amidharzes basierend auf glyoxylsäureester zu deren herstellung |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3917659A (en) * | 1974-07-27 | 1975-11-04 | Union Carbide Corp | Solid glyoxal-urea products |
DE3724868A1 (de) * | 1987-07-28 | 1989-02-09 | Basf Ag | Gerbereihilfsmittel, dessen verwendung und verfahren zum gerben von leder |
-
1989
- 1989-10-27 DE DE3935879A patent/DE3935879A1/de not_active Withdrawn
-
1990
- 1990-10-17 DE DE59008711T patent/DE59008711D1/de not_active Expired - Lifetime
- 1990-10-17 AT AT90119881T patent/ATE119945T1/de not_active IP Right Cessation
- 1990-10-17 EP EP90119881A patent/EP0429830B1/de not_active Expired - Lifetime
- 1990-10-17 ES ES90119881T patent/ES2068965T3/es not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
ATE119945T1 (de) | 1995-04-15 |
EP0429830A3 (en) | 1992-07-08 |
DE3935879A1 (de) | 1991-05-02 |
DE59008711D1 (de) | 1995-04-20 |
EP0429830A2 (de) | 1991-06-05 |
EP0429830B1 (de) | 1995-03-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG2A | Definitive protection |
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