GB1145200A - Microporous polyurethane sheet structures - Google Patents
Microporous polyurethane sheet structuresInfo
- Publication number
- GB1145200A GB1145200A GB2887867A GB2887867A GB1145200A GB 1145200 A GB1145200 A GB 1145200A GB 2887867 A GB2887867 A GB 2887867A GB 2887867 A GB2887867 A GB 2887867A GB 1145200 A GB1145200 A GB 1145200A
- Authority
- GB
- United Kingdom
- Prior art keywords
- polyurethane
- weight
- microporous
- solution
- water
- 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
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/28—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof by elimination of a liquid phase from a macromolecular composition or article, e.g. drying of coagulum
-
- 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
- C08G18/0804—Manufacture of polymers containing ionic or ionogenic groups
- C08G18/0809—Manufacture of polymers containing ionic or ionogenic groups containing cationic or cationogenic groups
- C08G18/0814—Manufacture of polymers containing ionic or ionogenic groups containing cationic or cationogenic groups containing ammonium groups or groups forming them
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
- C08L75/04—Polyurethanes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2375/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2375/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
- C08J2375/04—Polyurethanes
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Synthetic Leather, Interior Materials Or Flexible Sheet Materials (AREA)
Abstract
1,145,200. Microporous polyurethane laminates. FARBENFABRIKEN BAYER A.G. 22 June, 1967 [22 June, 1966], No. 28878/67. Heading B5N. [Also in Divisions B2 and C3] Laminates may be produced by bonding a microporous polyurethane sheet material to various porous substrates such as leather and fabrics. The microporous polyurethane sheet material is produced by first forming a solution comprising (a) 90 to 70 parts by weight based on the dry substance of one or more polyurethane ureas which are free from NCO groups, suitably contained in a polar, water-soluble solvent and (b) 10 to 30 parts by weight of one or more high M.W. substantially linear cationic polyurethanes free from NCO groups and which contain 8 to 35% by weight of urethane groups and, if desired, also urea groups, and 0À5 to 2À0% by weight of quaternary ammonium nitrogen atoms, the cationic polyurethane being present in the form of an aqueous dispersion or colloidal solution which has a concentration such that the quantity of water introduced by it into the mixture so formed is less than 7% by weight added to (c) 200 to 2000 parts by weight of a water-soluble, polar solvent for (a) having a b.p. above 100‹ C., the viscosity of which solution is 1 to 30 minutes when measured in a Ford viscosimeter with 6 mm. outflow nozzle at 20‹ C., (d) coating the solution on to a non- porous substrate and allowing it to gel in moist air, dipping the whole into water to extract the solvent, drying and stripping the foil from the substrate. In an Example (la) a microporous polyurethane foil prepared by the above process was glued on to a piece of perforated leather and also on to a velveteen fabric using a mixture of polyurethane and polyisocyanate in ethyl acetate as adhesive. The top surface of the foil was dressed with several applications of a pigmented aqueous dispersion of a cationic polyurethane and was dried and pressed between each application. A product similar to leather in appearance and feel was obtained. The microporous layers may also be applied to wood, paper, cardboard, woven and non-woven textiles, metal and brickwork.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEF0049531 | 1966-06-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1145200A true GB1145200A (en) | 1969-03-12 |
Family
ID=7103094
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB2887867A Expired GB1145200A (en) | 1966-06-22 | 1967-06-22 | Microporous polyurethane sheet structures |
Country Status (6)
Country | Link |
---|---|
AT (1) | AT285960B (en) |
BE (1) | BE700304A (en) |
CH (1) | CH482768A (en) |
GB (1) | GB1145200A (en) |
NL (1) | NL157034B (en) |
SE (1) | SE329724B (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4728542A (en) * | 1985-06-19 | 1988-03-01 | Bayer Aktiengesellschaft | Ionically modified pur spreading pastes and their use |
US4743470A (en) * | 1985-03-02 | 1988-05-10 | Bayer Aktiengesellschaft | Spreading pastes containing polyurethane plastics and a process for the production of polyurethane coatings permeable to water vapor |
US5177141A (en) * | 1988-10-22 | 1993-01-05 | Bayer Aktiengesellschaft | Coating materials containing pur dispersions and solvents and their use for the preparation of water vapor permeable pur coatings |
RU2443722C2 (en) * | 2006-04-08 | 2012-02-27 | Байер Матириальсайенс Аг | Polyurethane-polyurea based microporous coating |
WO2020010168A1 (en) * | 2018-07-06 | 2020-01-09 | The Lycra Company Llc | Acid-dyeable spandex from cationic polyurethane |
-
1967
- 1967-05-26 CH CH746167A patent/CH482768A/en not_active IP Right Cessation
- 1967-06-19 SE SE863867A patent/SE329724B/xx unknown
- 1967-06-21 BE BE700304D patent/BE700304A/xx not_active IP Right Cessation
- 1967-06-21 AT AT578367A patent/AT285960B/en not_active IP Right Cessation
- 1967-06-21 NL NL6708653A patent/NL157034B/en not_active IP Right Cessation
- 1967-06-22 GB GB2887867A patent/GB1145200A/en not_active Expired
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4743470A (en) * | 1985-03-02 | 1988-05-10 | Bayer Aktiengesellschaft | Spreading pastes containing polyurethane plastics and a process for the production of polyurethane coatings permeable to water vapor |
US4728542A (en) * | 1985-06-19 | 1988-03-01 | Bayer Aktiengesellschaft | Ionically modified pur spreading pastes and their use |
US5177141A (en) * | 1988-10-22 | 1993-01-05 | Bayer Aktiengesellschaft | Coating materials containing pur dispersions and solvents and their use for the preparation of water vapor permeable pur coatings |
RU2443722C2 (en) * | 2006-04-08 | 2012-02-27 | Байер Матириальсайенс Аг | Polyurethane-polyurea based microporous coating |
WO2020010168A1 (en) * | 2018-07-06 | 2020-01-09 | The Lycra Company Llc | Acid-dyeable spandex from cationic polyurethane |
CN112352067A (en) * | 2018-07-06 | 2021-02-09 | 莱卡英国有限公司 | Acid-dyeable elastic fibers from cationic polyurethanes |
US20210246578A1 (en) * | 2018-07-06 | 2021-08-12 | The Lycra Company Llc | Acid-dyeable spandex from cationic polyurethane |
JP2021532282A (en) * | 2018-07-06 | 2021-11-25 | ザ ライクラ カンパニー ユーケー リミテッド | Acid dyeable spandex from cationic polyurethane |
TWI825116B (en) * | 2018-07-06 | 2023-12-11 | 英商萊卡英國有限公司 | Acid-dyeable spandex from cationic polyurethane |
Also Published As
Publication number | Publication date |
---|---|
NL157034B (en) | 1978-06-15 |
SE329724B (en) | 1970-10-19 |
AT285960B (en) | 1970-11-25 |
BE700304A (en) | 1967-12-01 |
CH482768A (en) | 1969-12-15 |
NL6708653A (en) | 1967-12-27 |
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