AR004257A1 - Metodo para la elaboracion de una espuma rigida de celdas cerradas basada en poliisocianatos, toda espuma rigida obtenible con el mismo y composicion depolioles de almacenamiento estable de aplicacion en dicho metodo. - Google Patents
Metodo para la elaboracion de una espuma rigida de celdas cerradas basada en poliisocianatos, toda espuma rigida obtenible con el mismo y composicion depolioles de almacenamiento estable de aplicacion en dicho metodo.Info
- Publication number
- AR004257A1 AR004257A1 ARP960105000A ARP960105000A AR004257A1 AR 004257 A1 AR004257 A1 AR 004257A1 AR P960105000 A ARP960105000 A AR P960105000A AR P960105000 A ARP960105000 A AR P960105000A AR 004257 A1 AR004257 A1 AR 004257A1
- Authority
- AR
- Argentina
- Prior art keywords
- rigid foam
- polyol
- elaboration
- polyisocyanates
- application
- Prior art date
Links
- 239000006260 foam Substances 0.000 title abstract 3
- 238000000034 method Methods 0.000 title abstract 3
- 239000000203 mixture Substances 0.000 title abstract 3
- 229920001228 polyisocyanate Polymers 0.000 title abstract 2
- 239000005056 polyisocyanate Substances 0.000 title abstract 2
- 229920005862 polyol Polymers 0.000 abstract 6
- 150000003077 polyols Chemical class 0.000 abstract 6
- RGSFGYAAUTVSQA-UHFFFAOYSA-N Cyclopentane Chemical compound C1CCCC1 RGSFGYAAUTVSQA-UHFFFAOYSA-N 0.000 abstract 2
- 239000004721 Polyphenylene oxide Substances 0.000 abstract 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 abstract 2
- 229920000570 polyether Polymers 0.000 abstract 2
- 150000008431 aliphatic amides Chemical class 0.000 abstract 1
- 125000002947 alkylene group Chemical group 0.000 abstract 1
- 150000004982 aromatic amines Chemical class 0.000 abstract 1
- DMEGYFMYUHOHGS-UHFFFAOYSA-N heptamethylene Natural products C1CCCCCC1 DMEGYFMYUHOHGS-UHFFFAOYSA-N 0.000 abstract 1
- 239000012948 isocyanate Substances 0.000 abstract 1
- 150000002513 isocyanates Chemical class 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- -1 polyoxy Polymers 0.000 abstract 1
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
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/12—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
- C08J9/14—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent organic
- C08J9/149—Mixtures of blowing agents covered by more than one of the groups C08J9/141 - C08J9/143
-
- 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
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/12—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
- C08J9/14—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent organic
-
- 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
- C08G18/4009—Two or more macromolecular compounds not provided for in one single group of groups C08G18/42 - C08G18/64
- C08G18/4018—Mixtures of compounds of group C08G18/42 with compounds of group C08G18/48
-
- 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
- C08G18/4205—Polycondensates having carboxylic or carbonic ester groups in the main chain containing cyclic groups
- C08G18/4208—Polycondensates having carboxylic or carbonic ester groups in the main chain containing cyclic groups containing aromatic 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
-
- 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
- C08G18/482—Mixtures of polyethers containing at least one polyether containing nitrogen
-
- 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
- C08G18/50—Polyethers having heteroatoms other than oxygen
- C08G18/5021—Polyethers having heteroatoms other than oxygen having nitrogen
-
- 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
- C08G18/50—Polyethers having heteroatoms other than oxygen
- C08G18/5021—Polyethers having heteroatoms other than oxygen having nitrogen
- C08G18/5033—Polyethers having heteroatoms other than oxygen having nitrogen containing carbocyclic groups
-
- 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
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/12—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
- C08J9/14—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent organic
- C08J9/141—Hydrocarbons
-
- 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
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/12—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
- C08J9/14—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent organic
- C08J9/143—Halogen containing compounds
- C08J9/144—Halogen containing compounds containing carbon, halogen and hydrogen only
-
- 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
- C08G2110/0025—Foam properties rigid
-
- 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
- C08G2115/00—Oligomerisation
- C08G2115/02—Oligomerisation to isocyanurate 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
- C08G2130/00—Compositions of compatibilising agents used in mixtures of high-molecular-weight compounds having active hydrogen with other 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
- C08G2170/00—Compositions for adhesives
- C08G2170/60—Compositions for foaming; Foamed or intumescent adhesives
-
- 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)
- Materials Engineering (AREA)
- Polyurethanes Or Polyureas (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Abstract
Ahora se provee un método para la elaboración de una espuma rígida de celdas cerradas basada en poliisocianato que se obtiene por la reacción deun isocianato orgánico con una composición de polioles que contiene por lo menos: a) unpolioxi alquilen poliéter poliol iniciado con una amina aromáticaque contiene una cantidad de oxidrilos de 200 meq poliol/g KOH o más; b) un polioxialquilen poliéter poliol iniciado con una amida alifática que contieneuna cantidad de oxhidrilode 200 meq poliol/g KOH o más: en una cantidad de 10% en peso o menos basada en el peso de la composición de polioles; y c)ciclopentano.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/548,362 US5525641A (en) | 1995-11-01 | 1995-11-01 | Method of making insulating rigid polyurethane foams |
| US08/551,507 US5547998A (en) | 1995-11-01 | 1995-11-01 | Insulating rigid polyurethane foam compositions |
| US08/551,658 US5523334A (en) | 1995-11-01 | 1995-11-01 | Insulating rigid polyurethane foams |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| AR004257A1 true AR004257A1 (es) | 1998-11-04 |
Family
ID=27415529
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ARP960105000A AR004257A1 (es) | 1995-11-01 | 1996-11-01 | Metodo para la elaboracion de una espuma rigida de celdas cerradas basada en poliisocianatos, toda espuma rigida obtenible con el mismo y composicion depolioles de almacenamiento estable de aplicacion en dicho metodo. |
Country Status (11)
| Country | Link |
|---|---|
| EP (1) | EP0858477B2 (es) |
| KR (1) | KR19990067231A (es) |
| CN (1) | CN1074007C (es) |
| AR (1) | AR004257A1 (es) |
| AT (1) | ATE181940T1 (es) |
| AU (1) | AU708710B2 (es) |
| BR (1) | BR9611205A (es) |
| DE (1) | DE69603198T2 (es) |
| ES (1) | ES2135927T5 (es) |
| NZ (1) | NZ320275A (es) |
| WO (1) | WO1997016477A1 (es) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19723193A1 (de) * | 1997-06-03 | 1998-12-10 | Bayer Ag | Verfahren zur Herstellung von geschlossenzelligen Polyurethan-Hartschaumstoffen mit geringer Wärmeleitfähigkeit |
| JP4146572B2 (ja) * | 1999-04-08 | 2008-09-10 | 住化バイエルウレタン株式会社 | 硬質ポリウレタンフォームの製造方法及び硬質ポリウレタンフォーム用組成物 |
| US6525108B2 (en) * | 2000-06-02 | 2003-02-25 | Milliken & Company | Scorch inhibiting compositions for polyurethane foams |
| DE10053510C2 (de) * | 2000-10-27 | 2002-12-19 | Stahl Kuechen & Hygiene Gmbh | Anordnung eines Einrichtungselements in einem Baukörper |
| US7691913B2 (en) * | 2003-11-03 | 2010-04-06 | Dow Global Technologies, Inc. | Rigid polyurethane foam based on toluene diamine-initiated polyols |
| DE102004057588A1 (de) * | 2004-11-29 | 2006-06-08 | Basf Ag | Modifizierte offenzellige Schaumstoffe und Verfahren zu ihrer Herstellung |
| TWI645031B (zh) * | 2005-06-24 | 2018-12-21 | 哈尼威爾國際公司 | 含有經氟取代之烯烴之組合物及其用途 |
| RU2418810C2 (ru) | 2005-11-14 | 2011-05-20 | Дау Глобал Текнолоджиз Инк. | Способ формования жестких пенополиуретанов с улучшенной теплопроводностью |
| PT2510026E (pt) * | 2009-12-11 | 2014-04-02 | Basf Se | Materiais porosos melhorados, à base de aminas aromáticas |
| WO2014113379A1 (en) * | 2013-01-15 | 2014-07-24 | Basf Se | Rigid foam |
| CN107531873B (zh) * | 2015-03-17 | 2020-09-01 | 陶氏环球技术有限责任公司 | 硬质聚氨酯泡沫的异氰酸酯反应性配制物 |
| KR102465857B1 (ko) | 2015-12-14 | 2022-11-11 | 삼성전자주식회사 | 폴리우레탄 폼, 이를 포함하는 냉장고 및 폴리우레탄 폼의 제조 방법 |
| US10801836B2 (en) * | 2017-06-13 | 2020-10-13 | The Boeing Company | Composite parts that facilitate ultrasonic imaging of layer boundaries |
| EP3717824B1 (en) * | 2017-11-28 | 2023-04-19 | Dow Global Technologies LLC | Insulation boxes |
| US11203660B2 (en) | 2018-04-03 | 2021-12-21 | Dow Global Technologies Llc | Foam formulations |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0236217A (ja) * | 1988-07-27 | 1990-02-06 | Hitachi Ltd | 硬質ポリウレタンフォーム及びその製造方法と断熱材並びにそれを用いた冷蔵庫 |
| DE3933335C2 (de) * | 1989-10-06 | 1998-08-06 | Basf Ag | Verfahren zur Herstellung von Polyurethan-Hartschaumstoffen mit geringer Wärmeleitfähigkeit und ihre Verwendung |
| ATE139789T1 (de) * | 1992-08-04 | 1996-07-15 | Bayer Ag | Verwendung von aktive wasserstoffatome aufweisenden verbindungen |
| US5387618A (en) * | 1993-12-27 | 1995-02-07 | The Dow Chemical Company | Process for preparing a polyurethane foam in the presence of a hydrocarbon blowing agent |
| DE19502578A1 (de) * | 1995-01-27 | 1996-08-01 | Bayer Ag | Neue Polyetherpolyole, Polyformulierung enthaltend diese Polyetherpolyole und deren Verwendnung zur Herstellung von harten Polyurethanschaumstoffen |
-
1996
- 1996-10-24 WO PCT/EP1996/004615 patent/WO1997016477A1/en not_active Ceased
- 1996-10-24 KR KR1019980703188A patent/KR19990067231A/ko not_active Withdrawn
- 1996-10-24 BR BR9611205A patent/BR9611205A/pt not_active Application Discontinuation
- 1996-10-24 DE DE69603198T patent/DE69603198T2/de not_active Expired - Lifetime
- 1996-10-24 AU AU72983/96A patent/AU708710B2/en not_active Ceased
- 1996-10-24 CN CN96198026A patent/CN1074007C/zh not_active Expired - Fee Related
- 1996-10-24 EP EP96934804A patent/EP0858477B2/en not_active Expired - Lifetime
- 1996-10-24 ES ES96934804T patent/ES2135927T5/es not_active Expired - Lifetime
- 1996-10-24 AT AT96934804T patent/ATE181940T1/de active
- 1996-10-24 NZ NZ320275A patent/NZ320275A/en unknown
- 1996-11-01 AR ARP960105000A patent/AR004257A1/es unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE69603198T2 (de) | 1999-10-28 |
| AU7298396A (en) | 1997-05-22 |
| EP0858477B2 (en) | 2008-05-07 |
| EP0858477B1 (en) | 1999-07-07 |
| ATE181940T1 (de) | 1999-07-15 |
| EP0858477A1 (en) | 1998-08-19 |
| WO1997016477A1 (en) | 1997-05-09 |
| ES2135927T5 (es) | 2008-07-01 |
| AU708710B2 (en) | 1999-08-12 |
| CN1201472A (zh) | 1998-12-09 |
| NZ320275A (en) | 1999-09-29 |
| CN1074007C (zh) | 2001-10-31 |
| BR9611205A (pt) | 1999-03-30 |
| DE69603198D1 (de) | 1999-08-12 |
| ES2135927T3 (es) | 1999-11-01 |
| KR19990067231A (ko) | 1999-08-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| AR004257A1 (es) | Metodo para la elaboracion de una espuma rigida de celdas cerradas basada en poliisocianatos, toda espuma rigida obtenible con el mismo y composicion depolioles de almacenamiento estable de aplicacion en dicho metodo. | |
| ID17935A (id) | Pembuatan cetakan-cetakan poliuretana elastis yang mempunyai permukaan rapat dan inti selular | |
| ES2171029T3 (es) | Procedimiento para la fabricacion de espumas rigidas de poliuretano de alveolos cerrados con una baja conductividad termica. | |
| ES2106568T3 (es) | Proceso para la produccion de espumas rigidas de poliuretano. | |
| MX165667B (es) | Espumas de poliuretano rigidas, moldeables y absorentes de energia y procedimiento para su preparacin | |
| KR950032351A (ko) | 증가된 오픈 셀 함량 및 감소된 수축성을 가지는 경질 내지 반경질 폴리우레탄 포움의 제조방법 | |
| MX167973B (es) | Proceso para preparar espumas a base de poli-isocianato y espumas resultantes | |
| ES2120093T3 (es) | 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. | |
| ES2162702T3 (es) | Composiciones de isocianato para espuma de poliuretano de baja densidad. | |
| KR900006447A (ko) | 이소시아네이트 반응성 혼합물, 및 연질 폴리우레탄 기포체의 제조시 이의 용도 | |
| DE59103440D1 (en) | Thixotrope polyurethansysteme. | |
| MX9603246A (es) | Espumas de poliuretano rigidas aislantes. | |
| BR0010003A (pt) | Espumas rìgidas de poliuretano de células abertas | |
| AR008609A1 (es) | Proceso para elaborar espumas rigidas de poliuretano modificado con isocianurato, dicha espuma rigida y composicion isocianato-reactiva, y uso dela espuma. | |
| MX9603247A (es) | Composiciones de espuma de poliuretano rigidas aislantes. | |
| ES2105873T3 (es) | Espumas de poliuretano modificadas con tensioactivos no ionicos. | |
| ES2126041T3 (es) | Poliisocianato basado en diisocianatos de 4,4'- y 2,4'-difenil-metano y su uso en un procedimiento de rim. | |
| MX170253B (es) | Composiciones de poliol de polimero y su uso en la preparacion de espumas de poliuretano | |
| AU634586B2 (en) | Polyisocyanate compositions and their use in the preparation of flexible polyurethane foams | |
| MX9300510A (es) | Espuma de poliuretano curada con melemina con propiedades mejoradas. | |
| ES2068427T3 (es) | Procedimiento para la fabricacion de espumas duras de celdas esencialmente cerradas, que presentan grupos uretano, urea y biuret con adhesion excelente a superficies solidas y su uso. | |
| ES2181232T3 (es) | Procedimiento para preparar espumas de poliuretano. | |
| KR930004349A (ko) | 가요성 폴리우레탄 발포체의 제조방법 | |
| JPS5589326A (en) | Production of urethan foam for shock absorption | |
| KR910016797A (ko) | 폴리우레탄 포움의 제조방법 |