ES8305796A1 - Procedimiento para mejorar la estabilidad en el tiempo de compuestos polihidroxilicos. - Google Patents
Procedimiento para mejorar la estabilidad en el tiempo de compuestos polihidroxilicos.Info
- Publication number
- ES8305796A1 ES8305796A1 ES514903A ES514903A ES8305796A1 ES 8305796 A1 ES8305796 A1 ES 8305796A1 ES 514903 A ES514903 A ES 514903A ES 514903 A ES514903 A ES 514903A ES 8305796 A1 ES8305796 A1 ES 8305796A1
- Authority
- ES
- Spain
- Prior art keywords
- diphenylmethane
- polyol
- heterogeneous
- synthesis
- life
- 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
- 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
- C08G18/80—Masked polyisocyanates
- C08G18/8003—Masked polyisocyanates masked with compounds having at least two groups containing 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
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/703—Isocyanates or isothiocyanates transformed in a latent form by physical means
- C08G18/705—Dispersions of isocyanates or isothiocyanates in a liquid medium
- C08G18/707—Dispersions of isocyanates or isothiocyanates in a liquid medium the liquid medium being a compound containing active hydrogen not comprising water
-
- 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
-
- 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
- C08G2140/00—Compositions for moulding powders
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)
- Macromonomer-Based Addition Polymer (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
PROCEDIMIENTO PARA MEJORAR LA ESTABILIDAD EN EL TIEMPO DE COMPUESTOS POLIHIDROXILICOS EN PRESENCIA DE DIMEROS DE DIISOCIANATO DE PUNTO DE FUSION ELEVADO. CONSISTE EN LA MODIFICACION DE UN EQUIVALENTE DE COMPUESTOS POLIHIDROXILICOS DE PESO MOLECULAR ELEVADO, DI- O POLIVALENTES, CON M EQUIVALENTES NCO DE 4,4-DIFENILMETAN-URETDION-DIISOCIANATOS DE FORMULA (I), DONDE N VALE 0-2,5, O CON 4,4-DIFENILMETAN-URETDION-DIISOCIANATOS MODIFICADOS POR M EQUIVALENTES POR CADA EQUIVALENTE DE OH, DONDE M ES 1 A 1,5; 0,01-2% DE UN CATALIZADOR DE PLOMO Y/O DE ESTAÑO; 0-25% DE UN PRODUCTO DE POLIADICION DE PARTICULA FINA; Y AGENTES AUXILIARES Y ADITIVOS. TIENE APLICACION PARA LA SINTESIS DE MATERIALES DE POLIURETANO POR ENDURECIMIENTO TERMICO.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19813131780 DE3131780A1 (de) | 1981-08-12 | 1981-08-12 | Langzeit-lagerbestaendige, heterogene einkomponentensysteme aus polyol-/diphenylmethan-uretdion-diisocyanaten, verfahren zu ihrer herstellung und ihre verwendung zur synthese hochmolekularer polyurethane |
Publications (2)
Publication Number | Publication Date |
---|---|
ES8305796A1 true ES8305796A1 (es) | 1983-04-16 |
ES514903A0 ES514903A0 (es) | 1983-04-16 |
Family
ID=6139107
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES514903A Granted ES514903A0 (es) | 1981-08-12 | 1982-08-11 | Procedimiento para mejorar la estabilidad en el tiempo de compuestos polihidroxilicos. |
Country Status (8)
Country | Link |
---|---|
US (1) | US4442280A (es) |
EP (1) | EP0071898B1 (es) |
JP (1) | JPS5837022A (es) |
AT (1) | ATE28330T1 (es) |
CA (1) | CA1191995A (es) |
DE (2) | DE3131780A1 (es) |
ES (1) | ES514903A0 (es) |
ZA (1) | ZA825802B (es) |
Families Citing this family (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3343125A1 (de) * | 1983-11-29 | 1985-06-05 | Basf Ag, 6700 Ludwigshafen | Verstaerkte, kompakte oder zellige polyurethan-formteile, verfahren zu deren herstellung aus hitzehaertbaren einkomponenten-polyurethan-formulierungen und deren verwendung |
DE3343124A1 (de) * | 1983-11-29 | 1985-06-05 | Basf Ag, 6700 Ludwigshafen | Bei raumtemperatur lagerstabile, durch hitzeeinwirkung haertbare stoffmischungen auf basis von verbindungen mit reaktiven wasserstoffatomen und polyisocyanaten, verfahren zu ihrer herstellung und ihre verwendung zur herstellung von formteilen |
US4526913A (en) * | 1984-01-13 | 1985-07-02 | J. H. Diamond Company | Dimer polymeric coating selectively strippable as cohesive film |
DE3403498A1 (de) * | 1984-02-02 | 1985-08-08 | Bayer Ag, 5090 Leverkusen | Verfahren zur herstellung von polyharnstoff-elastomeren und entsprechende elastomere idealisierten segmentaufbaus |
US4937012A (en) * | 1985-01-25 | 1990-06-26 | Basf Corporation | Low temperature stable polymethylene polyphenylene polyisocyanates |
DE3506834A1 (de) * | 1985-02-27 | 1986-08-28 | Bayer Ag, 5090 Leverkusen | Verfahren zur herstellung von additionsverbindungen aus 1 mol dimerisiertem oder niedrig-oligodimerisiertem 4,4'-diisocyanatodiphenylmethan und 2 bis 3 mol 4,4'-diisocyanatodiphenylmethan, entsprechende additionsverbindungen und ihre verwendung zur polyurethanherstellung |
FR2582303B1 (fr) * | 1985-05-21 | 1987-07-10 | Rhone Poulenc Spec Chim | Procede de stabilisation de solutions organiques de polyisocyanates |
CH677995B5 (es) * | 1986-01-31 | 1992-01-31 | Inventa Ag | |
DE3640855A1 (de) * | 1986-11-29 | 1988-06-09 | Bayer Ag | Verfahren zur herstellung von uretdionringen enthaltenden polyurethanen |
US4900298A (en) * | 1987-08-21 | 1990-02-13 | Cobe Laboratories, Inc. | Centrifuge drive and support assembly |
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 |
JP2613441B2 (ja) * | 1988-07-18 | 1997-05-28 | トヨタ自動車株式会社 | 発泡ポリウレタンの製法 |
JP3243023B2 (ja) * | 1992-12-04 | 2002-01-07 | 株式会社イノアックコーポレーション | 一成分型ポリウレタン系接着剤及びその使用方法 |
JP3459091B2 (ja) * | 1993-08-31 | 2003-10-20 | 株式会社イノアックコーポレーション | ポリウレタンエラストマー用一成分型組成物及びその成形加工方法 |
JP3606680B2 (ja) * | 1996-05-28 | 2005-01-05 | 日本ポリウレタン工業株式会社 | ラミネート用接着剤組成物、およびそれを用いたラミネートフィルムの製造方法 |
DE19856878A1 (de) * | 1998-12-10 | 2000-06-15 | Inst Polymerforschung Dresden | Härtbare uretdiongruppenhaltige Massen und ein Verfahren zu ihrer Herstellung und Verarbeitung sowie ihre Verwendung |
DE10221047A1 (de) * | 2002-05-10 | 2003-11-27 | Degussa | Verfahren zur lösemittelfreien,kontinuierlichen Herstellung von Polyharnstoffen |
US20050058838A1 (en) * | 2003-09-12 | 2005-03-17 | Markusch Peter H. | Geotextile/polyurethane/composite liners based on one-component heterogeneous liquid polyurethane compositions |
EP1621567A1 (en) * | 2004-07-28 | 2006-02-01 | DSM IP Assets B.V. | Polyester resin compositions with reduced emission of volatile organic compounds |
WO2007081844A2 (en) * | 2006-01-09 | 2007-07-19 | E. I. Du Pont De Nemours And Company | Non-aqueous, liquid coating compositions |
ATE510869T1 (de) | 2009-04-09 | 2011-06-15 | Isochem Kautschuk Gmbh | Verfahren zur herstellung von oligomeren diphenylmethan-4,4'- und/oder diphenylmethan-2,4'-diisocyanat-uretdionen |
DE102011006163A1 (de) * | 2011-03-25 | 2012-09-27 | Evonik Degussa Gmbh | Lagerstabile Polyurethan-Prepregs und daraus hergestellte Formkörper aus Polyurethanzusammensetzung mit flüssigen Harzkomponenten |
EP3124515A1 (de) * | 2015-07-28 | 2017-02-01 | Evonik Degussa GmbH | Reaktive nicht wässrige dispersionen für lacke, kleb- und dichtstoffe |
US11781035B2 (en) | 2017-12-11 | 2023-10-10 | Innovative Surface Technologies, Inc. | Polyurea copolymer coating compositions and methods |
EP4163314B1 (de) | 2021-10-05 | 2023-12-06 | Evonik Operations GmbH | Verfahren zur herstellung fester polyurethanhärter |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL101778C (es) * | 1953-11-30 | |||
DE952940C (de) * | 1953-11-30 | 1956-11-22 | Bayer Ag | Verfahren zur Herstellung hochmolekularer, vernetzter Kunststoffe aus linearen oder vorwiegend linearen Polyestern, Diisocyanaten und Diaminen |
DE1014740B (de) * | 1955-08-01 | 1957-08-29 | Bayer Ag | Verfahren zur Herstellung von hochmolekularen vernetzten Kunststoffen |
DE1153900B (de) * | 1961-10-31 | 1963-09-05 | Bayer Ag | Verfahren zur Herstellung von kautschukartigen thermoplastischen Polyurethanen |
DE1218717B (de) * | 1964-02-13 | 1966-06-08 | Bayer Ag | Verfahren zur Herstellung von hochmolekularen vernetzten Kunststoffen |
GB1078525A (en) * | 1964-03-04 | 1967-08-09 | Ici Ltd | Polyurethanes |
FR1471610A (fr) * | 1965-03-17 | 1967-03-03 | Bayer Ag | Procédé de préparation de masses de polyuréthanes durcissables à la chaleur et stables à la conservation |
DE1570548B2 (de) * | 1965-03-17 | 1980-01-17 | Bayer Ag, 5090 Leverkusen | Verfahren zur Herstellung von lagerbeständigen, in der Wärme zu Polyurethanen aushärtbaren Massen |
US3489744A (en) * | 1966-07-18 | 1970-01-13 | Uniroyal Inc | Preparation of diisocyanate dimers in aqueous medium |
GB1207673A (en) * | 1967-01-02 | 1970-10-07 | Ici Ltd | New isocyanate compounds and the use thereof |
DE2044838A1 (de) * | 1970-09-10 | 1972-03-16 | Bayer | Vernetzte Polyurethanformkörper |
US3998794A (en) * | 1972-04-29 | 1976-12-21 | Bayer Aktiengesellschaft | Polyurethane polyureas which contain uretdione groups |
DE2312391A1 (de) * | 1973-03-13 | 1974-09-19 | Bayer Ag | Pulverfoermige, vernetzbare ueberzugsmittel |
DE2419968A1 (de) * | 1974-04-25 | 1975-12-18 | Basf Ag | Zaehe, waermealterungsbestaendige und verarbeitungsstabile polybutylenterephthalat-formmassen |
DE2420475A1 (de) * | 1974-04-27 | 1975-11-06 | Bayer Ag | Uretdiongruppen aufweisende polyadditionsprodukte |
US3997794A (en) * | 1974-12-23 | 1976-12-14 | York Richard N | Collimator |
DE2502934A1 (de) * | 1975-01-24 | 1976-07-29 | Bayer Ag | Uretdiongruppen und endstaendige blockierte isocyanatgruppen aufweisende organische verbindungen |
DE2842805A1 (de) * | 1978-09-30 | 1980-04-10 | Bayer Ag | Beschichtungsmassen |
DE2921162A1 (de) * | 1979-05-25 | 1980-12-04 | Bayer Ag | Hitzehaertbare formmassen und verfahren zur herstellung von formkoerpern |
-
1981
- 1981-08-12 DE DE19813131780 patent/DE3131780A1/de not_active Withdrawn
-
1982
- 1982-07-23 CA CA000407957A patent/CA1191995A/en not_active Expired
- 1982-07-30 AT AT82106877T patent/ATE28330T1/de not_active IP Right Cessation
- 1982-07-30 DE DE8282106877T patent/DE3276756D1/de not_active Expired
- 1982-07-30 EP EP82106877A patent/EP0071898B1/de not_active Expired
- 1982-08-02 US US06/404,010 patent/US4442280A/en not_active Expired - Lifetime
- 1982-08-11 JP JP57138649A patent/JPS5837022A/ja active Pending
- 1982-08-11 ZA ZA825802A patent/ZA825802B/xx unknown
- 1982-08-11 ES ES514903A patent/ES514903A0/es active Granted
Also Published As
Publication number | Publication date |
---|---|
DE3276756D1 (en) | 1987-08-20 |
US4442280A (en) | 1984-04-10 |
JPS5837022A (ja) | 1983-03-04 |
EP0071898A1 (de) | 1983-02-16 |
ES514903A0 (es) | 1983-04-16 |
EP0071898B1 (de) | 1987-07-15 |
DE3131780A1 (de) | 1983-02-24 |
ZA825802B (en) | 1983-06-29 |
CA1191995A (en) | 1985-08-13 |
ATE28330T1 (de) | 1987-08-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FD1A | Patent lapsed |
Effective date: 19991108 |