ES2066065T3 - Procedimiento para la obtencion de poliisocianatos que muestran grupos uretdion. - Google Patents
Procedimiento para la obtencion de poliisocianatos que muestran grupos uretdion.Info
- Publication number
- ES2066065T3 ES2066065T3 ES90116944T ES90116944T ES2066065T3 ES 2066065 T3 ES2066065 T3 ES 2066065T3 ES 90116944 T ES90116944 T ES 90116944T ES 90116944 T ES90116944 T ES 90116944T ES 2066065 T3 ES2066065 T3 ES 2066065T3
- Authority
- ES
- Spain
- Prior art keywords
- procedure
- show
- uretdion groups
- polyisocyanates
- obtaining
- 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
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D229/00—Heterocyclic compounds containing rings of less than five members having two nitrogen atoms as the only ring hetero atoms
-
- 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
- C08G18/798—Nitrogen characterised by the polyisocyanates used, these having groups formed by oligomerisation of isocyanates or isothiocyanates containing urethdione groups
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Polyurethanes Or Polyureas (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
EL PROCEDIMIENTO SE BASA EN LA REACCION DE DIISOCIANATOS AROMATICOS MONOMEROS EN PRESENCIA DE 1,2-DIMETILIMIDAZOL COMO CATALIZADOR, EN UN DISOLVENTE ORGANICO INERTE, SIENDO LA PROPORCION EN PESO DE DISOLVENTE ORGANICO A DIISOCIANATO DEL ORDEN DE 0,1 : 1 A 2 : 1.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3930670A DE3930670A1 (de) | 1989-09-14 | 1989-09-14 | Verfahren zur herstellung von uretdiongruppen aufweisenden polyisocyanaten |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2066065T3 true ES2066065T3 (es) | 1995-03-01 |
Family
ID=6389387
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES90116944T Expired - Lifetime ES2066065T3 (es) | 1989-09-14 | 1990-09-04 | Procedimiento para la obtencion de poliisocianatos que muestran grupos uretdion. |
Country Status (7)
Country | Link |
---|---|
US (1) | US5149766A (es) |
EP (1) | EP0418639B1 (es) |
JP (1) | JP3016581B2 (es) |
AT (1) | ATE116641T1 (es) |
CA (1) | CA2023667A1 (es) |
DE (2) | DE3930670A1 (es) |
ES (1) | ES2066065T3 (es) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0761999B2 (ja) * | 1992-03-13 | 1995-07-05 | 工業技術院長 | 1,3−ジアゼチジン−2,4−ジオン誘導体の製造方法 |
GB9208396D0 (en) * | 1992-04-16 | 1992-06-03 | Ici Plc | Process for making flexible foams |
US5565527A (en) * | 1992-06-05 | 1996-10-15 | Basf Aktiengesellschaft | Polymeric, catalytically active compounds, their preparation, and their use as catalysts in the preparation of polyisocyanates containing uretdione groups |
DE4218539A1 (de) * | 1992-06-05 | 1993-12-09 | Basf Ag | Polymere, katalytisch wirksame Verbindungen, ihre Herstellung sowie ihre Verwendung als Katalysatoren bei der Herstellung von Urethdiongruppen enthaltenden Polyisocyanaten |
DE4218540A1 (de) * | 1992-06-05 | 1993-12-09 | Basf Ag | Verfahren zur Herstellung von Uretdiongruppen aufweisenden Polyisocanaten |
US5315004A (en) * | 1993-04-05 | 1994-05-24 | Olin Corporation | Process for producing uretidione dimers of isocyanates using catalysts which are bound to inorganic matrices |
DE19603245A1 (de) * | 1996-01-30 | 1997-07-31 | Bayer Ag | Dünnschichtdestillation von Uretdiondiisocyanaten |
FR2770533B1 (fr) * | 1997-11-04 | 2000-01-21 | Rhodia Chimie Sa | Utilisation d'imidazole en tant que co-catalyseur de la trimerisation d'isocyanates |
FR2818974B1 (fr) * | 2000-12-29 | 2003-10-24 | Rhodia Chimie Sa | (cyclo) condensation de composes isocyanates |
CA2486974A1 (en) | 2002-05-31 | 2003-12-11 | Mattel, Inc. | Flexible dolls and posable action figures |
EP2159241B1 (de) | 2009-04-09 | 2011-05-25 | Isochem Kautschuk GmbH | Verfahren zur Herstellung von oligomeren Diphenylmethan-4,4'- und/oder Diphenylmethan-2,4'-diisocyanat-uretdionen |
EP2730563B1 (de) * | 2012-11-13 | 2017-01-11 | Ems-Patent Ag | Verfahren zur Herstellung von MDI-Dimer |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1167524B (de) * | 1961-11-10 | 1964-04-09 | Bayer Ag | Verfahren zur Herstellung schlagfester, vernetzter Formkoerper einschliesslich der Herstellung von Schaumstoffen, auf der Grundlage von Vinyl-Polymerisaten |
DE3420113A1 (de) * | 1984-05-30 | 1985-12-05 | Bayer Ag, 5090 Leverkusen | Neue uretdiondiisocyanate, diese diisocyanate enthaltende polyisocyanatgemische, ein verfahren zu deren herstellung und ihre verwendung zur herstellung von polyurethankunststoffen |
DE3739549C2 (de) * | 1987-11-21 | 1994-10-27 | Huels Chemische Werke Ag | Verfahren zur Herstellung (cyclo)aliphatischer Uretdione |
DE3801934A1 (de) * | 1988-01-23 | 1989-08-03 | Bayer Ag | Verfahren zur herstellung von modifizierten polyisocyanaten, die nach diesem verfahren erhaeltlichen polyisocyanate und ihre verwendung |
DE3809261A1 (de) * | 1988-03-19 | 1989-09-28 | Bayer Ag | Verfahren zur herstellung von uretdion- und isocyanuratgruppen aufweisenden polyisocyanatgemischen |
DE3900053A1 (de) * | 1989-01-03 | 1990-07-12 | Bayer Ag | Verfahren zur herstellung von uretdion- und isocyanuratgruppen aufweisenden polyisocyanaten, die nach diesem verfahren erhaeltlichen polyisocyanate und ihre verwendung in zweikomponenten-polyurethanlacken |
DE3930669A1 (de) * | 1989-09-14 | 1991-03-28 | Basf Ag | Verfahren zur herstellung von uretdiongruppen aufweisenden polyisocyanaten |
-
1989
- 1989-09-14 DE DE3930670A patent/DE3930670A1/de not_active Withdrawn
-
1990
- 1990-08-16 US US07/568,122 patent/US5149766A/en not_active Expired - Lifetime
- 1990-08-21 CA CA002023667A patent/CA2023667A1/en not_active Abandoned
- 1990-09-04 EP EP90116944A patent/EP0418639B1/de not_active Expired - Lifetime
- 1990-09-04 ES ES90116944T patent/ES2066065T3/es not_active Expired - Lifetime
- 1990-09-04 DE DE59008182T patent/DE59008182D1/de not_active Expired - Lifetime
- 1990-09-04 AT AT90116944T patent/ATE116641T1/de not_active IP Right Cessation
- 1990-09-12 JP JP2240206A patent/JP3016581B2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
ATE116641T1 (de) | 1995-01-15 |
DE3930670A1 (de) | 1991-03-28 |
US5149766A (en) | 1992-09-22 |
EP0418639A1 (de) | 1991-03-27 |
EP0418639B1 (de) | 1995-01-04 |
DE59008182D1 (de) | 1995-02-16 |
JPH03118367A (ja) | 1991-05-20 |
CA2023667A1 (en) | 1991-03-15 |
JP3016581B2 (ja) | 2000-03-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG2A | Definitive protection |
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