BR8903330A - Processo para a preparacao de couros laqueados - Google Patents
Processo para a preparacao de couros laqueadosInfo
- Publication number
- BR8903330A BR8903330A BR898903330A BR8903330A BR8903330A BR 8903330 A BR8903330 A BR 8903330A BR 898903330 A BR898903330 A BR 898903330A BR 8903330 A BR8903330 A BR 8903330A BR 8903330 A BR8903330 A BR 8903330A
- Authority
- BR
- Brazil
- Prior art keywords
- leather
- lacqued
- preparation
- oligourethanes
- hydroxyl
- Prior art date
Links
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
- C14C11/00—Surface finishing of leather
- C14C11/003—Surface finishing of leather using macromolecular compounds
- C14C11/006—Surface finishing of leather using macromolecular compounds using polymeric products of isocyanates (or isothiocyanates) with compounds having active hydrogen
-
- 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
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/08—Processes
- C08G18/10—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
- C08G18/12—Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step using two or more compounds having active hydrogen in the first polymerisation step
-
- 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
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/42—Polycondensates having carboxylic or carbonic ester groups in the main chain
- C08G18/4202—Two or more polyesters of different physical or chemical nature
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31551—Of polyamidoester [polyurethane, polyisocyanate, polycarbamate, etc.]
- Y10T428/31558—Next to animal skin or membrane
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- General Chemical & Material Sciences (AREA)
- Polyurethanes Or Polyureas (AREA)
- Synthetic Leather, Interior Materials Or Flexible Sheet Materials (AREA)
- Treatment And Processing Of Natural Fur Or Leather (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3823048A DE3823048A1 (de) | 1988-07-07 | 1988-07-07 | Verfahren zur herstellung von lackleder |
Publications (1)
Publication Number | Publication Date |
---|---|
BR8903330A true BR8903330A (pt) | 1990-02-13 |
Family
ID=6358184
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR898903330A BR8903330A (pt) | 1988-07-07 | 1989-07-06 | Processo para a preparacao de couros laqueados |
Country Status (6)
Country | Link |
---|---|
US (1) | US5151329A (pt) |
EP (1) | EP0349858B1 (pt) |
AT (1) | ATE112324T1 (pt) |
BR (1) | BR8903330A (pt) |
CA (1) | CA1332037C (pt) |
DE (2) | DE3823048A1 (pt) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5451432A (en) * | 1990-08-31 | 1995-09-19 | Rohm And Haas Company | Treating flexible, porous substrates with formaldehyde free binder |
DE4223110A1 (de) * | 1992-07-14 | 1994-01-20 | Henkel Kgaa | Neue Lederfettungsmittel und ihre Verwendung (II) |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL267748A (pt) * | 1960-08-01 | |||
US3245827A (en) * | 1964-01-02 | 1966-04-12 | Phelan Faust Paint Mfg Company | Polyurethane coated substrate and method of coating |
DE2940856A1 (de) * | 1979-10-09 | 1981-04-23 | Elastogran GmbH, 2844 Lemförde | Verfahren zur herstellung von gegebenenfalls zellhaltigen polyurethan-elastomeren |
JPS57111311A (en) * | 1980-12-29 | 1982-07-10 | Nippon Polyurethan Kogyo Kk | Thermoplastic polyurethane resin |
DE3134112A1 (de) * | 1981-08-28 | 1983-03-10 | Bayer Ag, 5090 Leverkusen | Beschichtungs- und zurichtmittel fuer leder und lederaustauschstoffe auf basis von polyurethanharnstoff-beschichtungsmassen |
-
1988
- 1988-07-07 DE DE3823048A patent/DE3823048A1/de not_active Withdrawn
-
1989
- 1989-06-16 CA CA000603022A patent/CA1332037C/en not_active Expired - Fee Related
- 1989-06-24 DE DE58908430T patent/DE58908430D1/de not_active Expired - Fee Related
- 1989-06-24 AT AT89111522T patent/ATE112324T1/de not_active IP Right Cessation
- 1989-06-24 EP EP89111522A patent/EP0349858B1/de not_active Expired - Lifetime
- 1989-06-26 US US07/371,357 patent/US5151329A/en not_active Expired - Fee Related
- 1989-07-06 BR BR898903330A patent/BR8903330A/pt active Search and Examination
Also Published As
Publication number | Publication date |
---|---|
DE58908430D1 (de) | 1994-11-03 |
EP0349858A3 (de) | 1991-11-27 |
EP0349858A2 (de) | 1990-01-10 |
EP0349858B1 (de) | 1994-09-28 |
US5151329A (en) | 1992-09-29 |
CA1332037C (en) | 1994-09-20 |
ATE112324T1 (de) | 1994-10-15 |
DE3823048A1 (de) | 1990-01-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FF | Decision: intention to grant | ||
KD | Notifcation of receipt (letter patent) | ||
FA4 | Application deemed withdrawn (art. 21(1)) |