ES2120093T3 - Procedimiento para la obtencion de plasticos celulares blandos de poliuretano altamente elasticos y exentos de hidrocarburos fluorclorados y mezclas de poliisocianatos modificadas con grupos uretano a base de difenilmetano-diisocianato utilizables en este caso. - Google Patents
Procedimiento para la obtencion de plasticos celulares blandos de poliuretano altamente elasticos y exentos de hidrocarburos fluorclorados y mezclas de poliisocianatos modificadas con grupos uretano a base de difenilmetano-diisocianato utilizables en este caso.Info
- Publication number
- ES2120093T3 ES2120093T3 ES95104610T ES95104610T ES2120093T3 ES 2120093 T3 ES2120093 T3 ES 2120093T3 ES 95104610 T ES95104610 T ES 95104610T ES 95104610 T ES95104610 T ES 95104610T ES 2120093 T3 ES2120093 T3 ES 2120093T3
- Authority
- ES
- Spain
- Prior art keywords
- fluorchlorated
- dysyocyanate
- difenylmethane
- exempt
- hydrocarbons
- 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
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical group CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 title abstract 2
- 239000004814 polyurethane Substances 0.000 title abstract 2
- 229920002635 polyurethane Polymers 0.000 title abstract 2
- 229930195733 hydrocarbon Natural products 0.000 title 1
- 150000002430 hydrocarbons Chemical class 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- 239000000203 mixture Substances 0.000 title 1
- 229920003023 plastic Polymers 0.000 title 1
- 239000004033 plastic Substances 0.000 title 1
- UPMLOUAZCHDJJD-UHFFFAOYSA-N 4,4'-Diphenylmethane Diisocyanate Chemical compound C1=CC(N=C=O)=CC=C1CC1=CC=C(N=C=O)C=C1 UPMLOUAZCHDJJD-UHFFFAOYSA-N 0.000 abstract 2
- 239000005056 polyisocyanate Substances 0.000 abstract 2
- 229920001228 polyisocyanate Polymers 0.000 abstract 2
- 239000004970 Chain extender Substances 0.000 abstract 1
- 239000000654 additive Substances 0.000 abstract 1
- HIFVAOIJYDXIJG-UHFFFAOYSA-N benzylbenzene;isocyanic acid Chemical class N=C=O.N=C=O.C=1C=CC=CC=1CC1=CC=CC=C1 HIFVAOIJYDXIJG-UHFFFAOYSA-N 0.000 abstract 1
- 239000003054 catalyst Substances 0.000 abstract 1
- KYKAJFCTULSVSH-UHFFFAOYSA-N chloro(fluoro)methane Chemical compound F[C]Cl KYKAJFCTULSVSH-UHFFFAOYSA-N 0.000 abstract 1
- 239000003431 cross linking reagent Substances 0.000 abstract 1
- 239000006260 foam Substances 0.000 abstract 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 abstract 1
- 229920005862 polyol Polymers 0.000 abstract 1
- 150000003077 polyols Chemical class 0.000 abstract 1
- -1 polyoxypropylene Polymers 0.000 abstract 1
- 229920001451 polypropylene glycol Polymers 0.000 abstract 1
- 239000003380 propellant Substances 0.000 abstract 1
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
- C08G18/74—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
- 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
- C08G18/08—Processes
- C08G18/16—Catalysts
-
- 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
- C08G18/409—Dispersions of polymers of C08G in organic 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
- C08G18/28—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
- C08G18/48—Polyethers
- C08G18/4804—Two or more polyethers of different physical or chemical nature
- C08G18/4812—Mixtures of polyetherdiols with polyetherpolyols having at least three hydroxy 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
- C08G18/28—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
- C08G18/48—Polyethers
- C08G18/4829—Polyethers containing at least three hydroxy 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
- C08G18/28—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
- C08G18/63—Block or graft polymers obtained by polymerising compounds having carbon-to-carbon double bonds on to polymers
-
- 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
- C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight 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
- 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
- C08G2110/0041—Foam properties having specified density
- C08G2110/0058—≥50 and <150kg/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)
- Dispersion Chemistry (AREA)
- Polyurethanes Or Polyureas (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
EL OBJETIVO DE LA INVENCION ES UN PROCESO PARA LA ELABORACION DE MATERIAL ESPONJOSO DE (FORMA)BLANDA-POLIURETANO) LIBRE DE FCKW MEDIANTE TRANSFORMACION DE A) MEZCLAS DE POLIISOCIANATO LIQUIDAS QUE CONTIENEN GRUPOS URETANO LIGADOS CON UN CONTENIDO EN GRUPOS NCO DESDE 22 HASTA 30 % EN PESO QUE SON ELABORADOS POR SU PARTE MEDIANTE TRANSFORMACION DE UNA MEZCLA A PARTIR DE DIISOCIANATOS-DIFENILMETANO Y POLIISOCIANATOS-POLIMETILENO-POLIFENIL CON UN CONTENIDO EN ISOMEROS DIISOCIANATO-DIFENILMETANO DESDE 55 HASTA 99 % EN PESO, CON REFERENCIA AL PESO TOTAL, CON AL MENOS UN POLIOLPOLIOXIPROPILENO TRIFUNCIONAL CON UN INDICE HIDROXIL DESDE 20 HASTA 60, CON B) COMPUESTOS POLIHIDROXIL DE ALTO PESO MOLECULAR Y EVENTUALMENTE C) MEDIOS DE RETICULACION Y/O ALARGAMIENTO DE CADENA DE BAJO PESO MOLECULAR EN PRESENCIA DE D) MEDIOS DE IMPULSION, E) CATALIZADORES ASI COMO EVENTUALMENTE F) MEDIOS AUXILIARES Y/O SUSTANCIAS AUXILIARES, Y LAS MEZCLAS (A) DE POLIISOCIANATO UTILIZABLES DE ACUERDO CON LA INVENCION, MODIFICADAS CON GRUPOS URETANO.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE4411781A DE4411781A1 (de) | 1994-04-06 | 1994-04-06 | Verfahren zur Herstellung von Fluorchlorkohlenwasserstoff freien hochelastischen Polyurethan-Weichschaumstoffen und hierfür verwendbare, mit Urethangruppen modifizierte Polyisocyanatmischungen auf Diphenylmethan-diisocyanatbasis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES2120093T3 true ES2120093T3 (es) | 1998-10-16 |
Family
ID=6514707
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES95104610T Expired - Lifetime ES2120093T3 (es) | 1994-04-06 | 1995-03-29 | Procedimiento para la obtencion de plasticos celulares blandos de poliuretano altamente elasticos y exentos de hidrocarburos fluorclorados y mezclas de poliisocianatos modificadas con grupos uretano a base de difenilmetano-diisocianato utilizables en este caso. |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US6096238A (es) |
| EP (1) | EP0676434B1 (es) |
| JP (1) | JPH08109235A (es) |
| KR (1) | KR950032356A (es) |
| AT (1) | ATE170889T1 (es) |
| CA (1) | CA2146388A1 (es) |
| DE (2) | DE4411781A1 (es) |
| DK (1) | DK0676434T3 (es) |
| ES (1) | ES2120093T3 (es) |
Families Citing this family (22)
| 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 |
| JPH11166033A (ja) * | 1997-12-01 | 1999-06-22 | Nippon Polyurethane Ind Co Ltd | 暖房カーペット用の一体成形ポリウレタンフォーム用組成物 |
| DE19823393A1 (de) * | 1998-05-26 | 1999-12-02 | Basf Ag | Isocyanatgruppenhaltige Prepolymere und Verfahren zu ihrer Herstellung |
| US6335364B1 (en) * | 1998-06-29 | 2002-01-01 | Parker Hughes Institute | Synthetic spiroketal pyranes as potent anti-cancer agents |
| KR20010054080A (ko) * | 1999-12-03 | 2001-07-02 | 조형래 | 고탄성 발포우레탄수지의 제조방법 |
| CN1175018C (zh) | 2000-01-17 | 2004-11-10 | 亨茨曼国际有限公司 | 制备自由起发或块状挠性聚氨酯泡沫塑料的方法 |
| EP1234843A1 (en) | 2001-02-26 | 2002-08-28 | Huntsman International Llc | Process for preparing a flexible polyurethane foam |
| DE10111337A1 (de) * | 2001-03-08 | 2002-09-12 | Basf Ag | Verfahren zur Herstellung von MDI, insbesondere von 2.4'-MDI |
| GB0120200D0 (en) * | 2001-08-18 | 2001-10-10 | Beatty Simon P M | An acoustically absorbant foam with elastic properties |
| DE10314762A1 (de) * | 2003-03-31 | 2004-10-14 | Basf Ag | Verfahren zur Herstellung von Polyurethan-Weichschaumstoffen |
| US7238730B2 (en) * | 2003-06-26 | 2007-07-03 | Basf Corporation | Viscoelastic polyurethane foam |
| DE102004005319A1 (de) | 2004-02-04 | 2005-08-25 | Bayer Materialscience Ag | Verfahren zur Herstellung von hochreinem 2,4'-Methylendiphenyldiisocyanat |
| JP4704782B2 (ja) * | 2005-03-25 | 2011-06-22 | 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 |
| US8901187B1 (en) | 2008-12-19 | 2014-12-02 | Hickory Springs Manufacturing Company | High resilience flexible polyurethane foam using MDI |
| US8906975B1 (en) | 2009-02-09 | 2014-12-09 | Hickory Springs Manufacturing Company | Conventional flexible polyurethane foam using MDI |
| JP4920051B2 (ja) * | 2009-02-25 | 2012-04-18 | 株式会社日立製作所 | 酸素燃焼ボイラプラント及び酸素燃焼ボイラプラントの運転方法 |
| WO2012106846A1 (zh) * | 2011-02-11 | 2012-08-16 | 江苏恒康家居科技有限公司 | 一种适用于平泡发泡工艺的mdi体系的非温感记忆海绵 |
| RU2016125311A (ru) * | 2013-11-27 | 2018-01-09 | Ковестро Дойчланд Аг | Смеси полиэфиркарбонатполиолов и простых полиэфирполиолов для получения мягких полиуретановых пенопластов |
| FR3020365B1 (fr) * | 2014-04-29 | 2017-10-27 | Michelin & Cie | Procede de fabrication par microcoulee d'une mousse de polyurethane |
| JP6741420B2 (ja) * | 2015-12-16 | 2020-08-19 | 株式会社ブリヂストン | 乗り物のシート用パッド形成用軟質ポリウレタンフォーム、及び乗り物のシート用パッド |
| CN113045886B (zh) * | 2021-04-16 | 2023-01-20 | 上海电力大学 | 一种软质聚氨酯泡沫及其构成的共振腔结构 |
| WO2025197907A1 (ja) * | 2024-03-19 | 2025-09-25 | 三井化学株式会社 | ウレタンプレポリマー、ポリウレタン樹脂組成物、ポリウレタンフォームおよび成形体 |
Family Cites Families (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL269798A (es) * | 1960-10-03 | |||
| BE670426A (es) * | 1964-10-02 | |||
| US3441523A (en) * | 1964-11-12 | 1969-04-29 | Allied Chem | Filled cellular urethanes |
| DE1618380C3 (de) * | 1967-03-08 | 1975-09-11 | Bayer Ag, 5090 Leverkusen | Verfahren zur Herstellung eines bei Raumtemperatur flüssigen Diphenylmethan-diisocyanatpräparates |
| LU65918A1 (es) * | 1971-10-06 | 1973-01-15 | ||
| GB1430455A (en) * | 1973-01-29 | 1976-03-31 | Ici Ltd | Isocyanate compositions |
| GB1369334A (en) * | 1973-06-05 | 1974-10-02 | Ici Ltd | Liquid isocyanate compositions |
| GB1450660A (en) * | 1974-04-03 | 1976-09-22 | Ici Ltd | Polyisocyanates |
| GB1444192A (en) * | 1974-04-03 | 1976-07-28 | Ici Ltd | Polyisocyanate compositions |
| DE2624526B2 (de) * | 1976-06-01 | 1981-06-25 | Bayer Ag, 5090 Leverkusen | Verfahren zur Herstellung von modifizierten Polyisocyanaten der Diphenylmethanreihe |
| US4055548A (en) * | 1976-09-17 | 1977-10-25 | The Upjohn Company | Storage-stable liquid polyisocyanate composition |
| GB1596469A (en) * | 1978-04-11 | 1981-08-26 | Ici Ltd | Liquid isocyanate compositions based on diphenylmethane diisocyanate |
| EP0010850B2 (en) * | 1978-10-03 | 1990-01-31 | Imperial Chemical Industries Plc | Liquid polyisocyanate compositions |
| DE3066568D1 (en) * | 1979-07-11 | 1984-03-22 | Ici Plc | Prepolymers, polyisocyanate compositions prepared therefrom and their use in the preparation of polyurethane foams |
| GB2109803A (en) * | 1981-02-26 | 1983-06-08 | Ici Plc | High molecular weight polyether polyols |
| 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 |
| DE3818769A1 (de) * | 1988-06-02 | 1989-12-07 | Bayer Ag | Fluessige polyisocyanatmischungen, ein verfahren zu ihrer herstellung und ihre verwendung zur herstellung von polyurethan-weichschaumstoffen |
| JPH0733423B2 (ja) * | 1989-10-03 | 1995-04-12 | 日本ポリウレタン工業株式会社 | 軟質ポリウレタン発泡体の製造方法 |
| US5114989A (en) * | 1990-11-13 | 1992-05-19 | The Dow Chemical Company | Isocyanate-terminated prepolymer and polyurethane foam prepared therefrom |
| DE4203918A1 (de) * | 1992-02-11 | 1993-08-12 | Basf Ag | Verfahren zur herstellung von fluorchlorkohlenwasserstoff-freien polyurethan-weichschaumstoffen unter verwendung von urethangruppen enthaltenden polyisocyanatmischungen auf diphenylmethan-diisocyanatbasis sowie derartige modifizierte polyisocyanatmischungen |
| EP0555901B2 (en) * | 1992-02-12 | 1999-12-01 | Unilever N.V. | Air classification of flour |
| DE4205934A1 (de) * | 1992-02-27 | 1993-09-02 | Basf Ag | Verfahren zur herstellung von fluorchlorkohlenwasserstoff freien, niedrigdichten polyurethan-weichschaumstoffen und weichelastischen polyurethan-formschaumstoffen sowie hierfuer verwendbare, mit urethangruppen modifizierte polyisocyanatmischungen auf diphenylmethan-diisocyanatbasis |
-
1994
- 1994-04-06 DE DE4411781A patent/DE4411781A1/de not_active Withdrawn
-
1995
- 1995-03-29 DE DE59503484T patent/DE59503484D1/de not_active Expired - Lifetime
- 1995-03-29 AT AT95104610T patent/ATE170889T1/de not_active IP Right Cessation
- 1995-03-29 DK DK95104610T patent/DK0676434T3/da active
- 1995-03-29 EP EP95104610A patent/EP0676434B1/de not_active Expired - Lifetime
- 1995-03-29 ES ES95104610T patent/ES2120093T3/es not_active Expired - Lifetime
- 1995-04-05 CA CA002146388A patent/CA2146388A1/en not_active Abandoned
- 1995-04-06 KR KR1019950007931A patent/KR950032356A/ko not_active Abandoned
- 1995-04-06 JP JP7081305A patent/JPH08109235A/ja not_active Withdrawn
-
1997
- 1997-10-06 US US08/944,704 patent/US6096238A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE59503484D1 (de) | 1998-10-15 |
| ATE170889T1 (de) | 1998-09-15 |
| DK0676434T3 (da) | 1999-06-07 |
| CA2146388A1 (en) | 1995-10-07 |
| EP0676434A1 (de) | 1995-10-11 |
| KR950032356A (ko) | 1995-12-20 |
| DE4411781A1 (de) | 1995-10-12 |
| JPH08109235A (ja) | 1996-04-30 |
| US6096238A (en) | 2000-08-01 |
| EP0676434B1 (de) | 1998-09-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE59503484D1 (de) | Verfahren zur Herstellung von fluorchlorkohlenwasserstoff freien, hochelastischen Polyurethan-Weichschaumstoffen und hierfür verwendbare, mit Urethangruppen modifizierte Polyisocyanatmischungen auf Diphenylmethan-diisocyanatbasis | |
| US4970243B1 (es) | ||
| AU605706B1 (en) | Soft flexible polyurethane foams, a process for preparing the same, and a polyol composition useful in said process | |
| ID17935A (id) | Pembuatan cetakan-cetakan poliuretana elastis yang mempunyai permukaan rapat dan inti selular | |
| ES2115687T3 (es) | Procedimiento para la obtencion de plasticos celulares suaves de poliuretano exentos de hidrocarburos fluorclorados con empleo de mezclas de poliisocianato que contienen grupos uretano a base de diisocianato de difenilmetano, asi como mezclas de poliisocianatos modificadas de | |
| ES2112850T3 (es) | Preparacion de espumas polimericas. | |
| ES2171029T3 (es) | Procedimiento para la fabricacion de espumas rigidas de poliuretano de alveolos cerrados con una baja conductividad termica. | |
| KR900003230A (ko) | 우레탄 그룹을 함유하는 폴리우레아 탄성중합체의 제조방법 | |
| EP0394736A3 (en) | Polyisocyanurate foam | |
| DE59303097D1 (de) | Verfahren zur Herstellung von Fluorchlorkohlenwasserstoff freien, niedrigdichten Polyurethan Weichschaumstoffen und weichelastischen Polyurethan-Formschaumstoffen sowie hierfür verwendbare, mit Urethangruppen modifizierte Polyisocyanatmischungen auf Diphenylmethan-diisocyanatbasis | |
| DE59506229D1 (de) | Unter Druck stehende, Treibmittel enthaltende Isocyanat-Semiprepolymermischungen auf Basis von Lignin-polyether-polyolen, ihre Verwendung zur Herstellung von Polyurethan-Schaumstoffen und ein Verfahren hierfür | |
| KR930021673A (ko) | 가요성 폴리우레탄 발포체의 제조 방법 | |
| TW336241B (en) | Low density microcellular elastomers based on isocylante-terminated prepolymers | |
| WO2002004540A3 (en) | sIGH RESILIENT FLEXIBLE URETHANE FOAM AND FLEXIBLE MOLDED FOAMS BASED ON ALLOPHANATE MODIFIED ISOCYANATES | |
| CO4900094A1 (es) | Composicion de prepolimeros y proceso para la preparacion de espumas con dicha composicion | |
| IT1229755B (it) | Composizioni poliisocianiche e loro impiego nella preparazione di schiume poliuretaniche flessibili. | |
| CA2205777A1 (en) | Process for preparing elastic polyurethane slabstock foams | |
| DE59802312D1 (de) | Verfahren zur Herstellung von Polyurethan-Weichschaumstoffen | |
| ES2042911T3 (es) | Procedimiento para la obtencion de plasticos celulares de moldeo blandos de poliuretano endurecibles en caliente. | |
| TH32870A (th) | โพลี ยูรีเทนโฟมชนิดอ่อนงอได้และกระบวนการสำหรับ?ทำโพลียูรีแทนชนิดดังกล่าว | |
| TH32873A (th) | พรีโพลิเมอร์ ซึ่งลงท้ายด้วยไอโซไซแอเนทและโฟมยืดหยุ่นโพลิยูรีเธนซึ่งเตรียมมาจากสารนั้น |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FG2A | Definitive protection |
Ref document number: 676434 Country of ref document: ES |