MX9302511A - Prepolimeros de poliisocianato liquido y proceso para su obtencion. - Google Patents
Prepolimeros de poliisocianato liquido y proceso para su obtencion.Info
- Publication number
- MX9302511A MX9302511A MX9302511A MX9302511A MX9302511A MX 9302511 A MX9302511 A MX 9302511A MX 9302511 A MX9302511 A MX 9302511A MX 9302511 A MX9302511 A MX 9302511A MX 9302511 A MX9302511 A MX 9302511A
- Authority
- MX
- Mexico
- Prior art keywords
- obtaining
- polyisocyanate prepolymers
- liquid polyisocyanate
- polyisocyanate
- composition
- Prior art date
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
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/77—Polyisocyanates or polyisothiocyanates having heteroatoms in addition to the isocyanate or isothiocyanate nitrogen and oxygen or sulfur
- C08G18/78—Nitrogen
- C08G18/79—Nitrogen characterised by the polyisocyanates used, these having groups formed by oligomerisation of isocyanates or isothiocyanates
- C08G18/797—Nitrogen characterised by the polyisocyanates used, these having groups formed by oligomerisation of isocyanates or isothiocyanates containing carbodiimide and/or uretone-imine groups
-
- 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
-
- 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
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/721—Two or more polyisocyanates not provided for in one single group C08G18/73 - C08G18/80
- C08G18/725—Combination of polyisocyanates of C08G18/78 with other polyisocyanates
-
- 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
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
- C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
- C08G18/7657—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings
- C08G18/7664—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups
-
- 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
- C08G2110/00—Foam properties
- C08G2110/0008—Foam properties flexible
-
- 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
- C08G2110/00—Foam properties
- C08G2110/0041—Foam properties having specified density
- C08G2110/005—< 50kg/m3
-
- 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
- C08G2110/00—Foam properties
- C08G2110/0083—Foam properties prepared using water as the sole blowing agent
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Polyurethanes Or Polyureas (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Abstract
Se describe una composición de prepolímeros de poliisocianato, su método de preparación, y su uso en la fabricación de espumas de poliuretano: más particularmente, está invención se refiere a una composición de poliisocianato que comprende el producto de reacción de una mezcla de poliisocianato de polimetilen-polifenilo e isómeros de diisocianato de difenilmetano con un polialquilen-poliéter-poliol.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US88192292A | 1992-05-12 | 1992-05-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
MX9302511A true MX9302511A (es) | 1994-05-31 |
Family
ID=25379487
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MX9302511A MX9302511A (es) | 1992-05-12 | 1993-04-29 | Prepolimeros de poliisocianato liquido y proceso para su obtencion. |
Country Status (4)
Country | Link |
---|---|
US (1) | US6077456A (es) |
CA (1) | CA2094554C (es) |
GB (1) | GB2268180A (es) |
MX (1) | MX9302511A (es) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5877227A (en) * | 1997-08-11 | 1999-03-02 | Imperial Chemical Industries Plc | Low density flexible polyurethane foams |
DE19931997A1 (de) * | 1998-07-20 | 2000-01-27 | Henkel Kgaa | Monomerarmes Polyurethanbindemittel mit verbesserter Gleitmittelhaftung |
JP2002155125A (ja) * | 2000-11-20 | 2002-05-28 | Sumika Bayer Urethane Kk | ポリウレタン変性ポリイソシアヌレートフォームの製造方法 |
US6376567B1 (en) | 2000-12-07 | 2002-04-23 | Bayer Corporation | Polyisocyanate compositions and a process for the production of low-density flexible foams with low humid aged compression sets from these polyisocyanate compositions |
ITMI20010357A1 (it) * | 2001-02-22 | 2002-08-22 | Enichem Spa | Composizioni isocianiche e loro impiego nella preparazione di espansipoliuretanici a migliorate caratteristiche fisico-meccaniche |
JP3546033B2 (ja) | 2001-09-27 | 2004-07-21 | 東海ゴム工業株式会社 | 車両用難燃性防音・防振材及びその製造方法 |
US6797799B1 (en) * | 2003-04-02 | 2004-09-28 | Bayer Materialscience Llc | High 2,4′-diphenylmethane diisocyanate content prepolymers |
EP1598382A1 (de) * | 2004-05-17 | 2005-11-23 | Sika Technology AG | Einkomponentiger wässriger Dispersionsklebstoff |
KR100969016B1 (ko) * | 2007-12-13 | 2010-07-09 | 현대자동차주식회사 | 내 가수분해성이 향상된 스티어링휠용 폴리우레탄 발포체 |
TW200942558A (en) * | 2008-04-09 | 2009-10-16 | jin-bing Zhang | Method of preparing MDI (Methylene Diphenyl di-Isocyanate) polyurethane polymer |
DE102008024865A1 (de) | 2008-05-23 | 2009-11-26 | Bayer Materialscience Ag | Kunststoffverbundelemente und ein Verfahren zur ihrer Herstellung |
CN101531753B (zh) * | 2009-04-13 | 2011-07-06 | 北京科聚化工新材料有限公司 | Mdi基异氰酸酯组合物、软模塑泡沫塑料 |
US20120202945A1 (en) * | 2009-07-07 | 2012-08-09 | Baulé S.A.S. | Polyurethanes and use thereof |
MX370742B (es) * | 2013-05-29 | 2019-12-20 | Dow Quim Mexicana S A De C V | Una formulacion para preparar una espuma de poliuretano. |
KR101916508B1 (ko) * | 2016-04-07 | 2018-11-07 | 현대자동차주식회사 | 폴리우레탄 폼 제조용 조성물 및 이의 성형품 |
WO2019125896A1 (en) * | 2017-12-20 | 2019-06-27 | Dow Global Technologies Llc | Polyurethane foams for comfort applications |
US20220403165A1 (en) * | 2019-08-06 | 2022-12-22 | Dow Global Technologies Llc | A one-component type polyurethane prepolymer composition |
CN112552480B (zh) * | 2020-12-15 | 2022-07-22 | 无锡吉兴汽车部件有限公司 | 一种聚氨酯泡沫的异氰酸酯组合料及其制备方法 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1450660A (en) * | 1974-04-03 | 1976-09-22 | Ici Ltd | Polyisocyanates |
GB1444192A (en) * | 1974-04-03 | 1976-07-28 | Ici Ltd | Polyisocyanate compositions |
US3968089A (en) * | 1974-11-18 | 1976-07-06 | Jefferson Chemical Company, Inc. | Polymer-prepolymer composition prepared by polymerizing an ethylenically unsaturated monomer in the presence of an isocyanate-terminated prepolymer |
GB1483957A (en) * | 1975-05-19 | 1977-08-24 | Ici Ltd | Diphenylmethane diisocyanate compositions |
DE2815579A1 (de) * | 1978-04-11 | 1979-10-25 | Basf Ag | Verfahren zur herstellung von polyurethan-weichschaumstoffen |
DE2965737D1 (de) * | 1978-10-03 | 1983-07-28 | Ici Plc | Liquid polyisocyanate compositions |
US4237240A (en) * | 1979-04-09 | 1980-12-02 | Basf Aktiengesellschaft | Process for the manufacture of flexible polyurethane foams with high load-bearing and high energy-absorption capacity |
DE3231497A1 (de) * | 1982-08-25 | 1984-03-01 | Basf Ag, 6700 Ludwigshafen | Verfahren zur herstellung von kompakten, waermebestaendigen urethan- und isocyanuratgruppen enthaltenden kunststoffen |
DE3241450A1 (de) * | 1982-11-10 | 1984-05-10 | Basf Ag, 6700 Ludwigshafen | Fluessige urethangruppen enthaltende polyisocyanatmischungen auf diphenylmethan-diisocyanat-basis, verfahren zu deren herstellung und deren verwendung zur herstellung von polyurethan-weichschaumstoffen |
US4937012A (en) * | 1985-01-25 | 1990-06-26 | Basf Corporation | Low temperature stable polymethylene polyphenylene polyisocyanates |
US4738991A (en) * | 1987-01-23 | 1988-04-19 | Basf Corporation | Storage stable polyisocyanates characterized by allophanate linkages |
US4888365A (en) * | 1987-02-12 | 1989-12-19 | Basf Corporation | Isocyanate terminated quasi-prepolymers useful for preparing polyurethane/polyisocyanurate foams having low thermal conductivity |
US4743626A (en) * | 1987-09-14 | 1988-05-10 | Basf Corporation | Liquid carbodiimide-uretonimine modified polymethylene polyphenylene polyisocyanates and polyurethane foams made therefrom |
GB8908490D0 (en) * | 1989-04-14 | 1989-06-01 | Ici Plc | Prepolymers |
IT1229755B (it) * | 1989-05-17 | 1991-09-10 | Montedipe Spa | Composizioni poliisocianiche e loro impiego nella preparazione di schiume poliuretaniche flessibili. |
DE4001556A1 (de) * | 1990-01-20 | 1991-07-25 | Bayer Ag | Neue polyisocyanatmischungen und ihre verwendung bei der herstellung von weichen polyurethan-schaumstoffen |
-
1993
- 1993-04-21 CA CA002094554A patent/CA2094554C/en not_active Expired - Fee Related
- 1993-04-29 MX MX9302511A patent/MX9302511A/es not_active IP Right Cessation
- 1993-05-10 GB GB9309556A patent/GB2268180A/en not_active Withdrawn
-
1994
- 1994-06-20 US US08/263,496 patent/US6077456A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
GB2268180A (en) | 1994-01-05 |
US6077456A (en) | 2000-06-20 |
CA2094554A1 (en) | 1993-11-13 |
CA2094554C (en) | 2001-12-25 |
GB9309556D0 (en) | 1993-06-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG | Grant or registration | ||
MM | Annulment or lapse due to non-payment of fees |