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
Application number
ES514903A
Other languages
English (en)
Other versions
ES514903A0 (es
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bayer AG
Original Assignee
Bayer AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Bayer AG filed Critical Bayer AG
Publication of ES8305796A1 publication Critical patent/ES8305796A1/es
Publication of ES514903A0 publication Critical patent/ES514903A0/es
Granted legal-status Critical Current

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)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Macromonomer-Based Addition Polymer (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.
ES514903A 1981-08-12 1982-08-11 Procedimiento para mejorar la estabilidad en el tiempo de compuestos polihidroxilicos. Granted ES514903A0 (es)

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)

* Cited by examiner, † Cited by third party
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
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
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
WO2019118483A1 (en) 2017-12-11 2019-06-20 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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
NL104968C (es) * 1953-11-30
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

Also Published As

Publication number Publication date
EP0071898A1 (de) 1983-02-16
DE3131780A1 (de) 1983-02-24
DE3276756D1 (en) 1987-08-20
ZA825802B (en) 1983-06-29
ATE28330T1 (de) 1987-08-15
ES514903A0 (es) 1983-04-16
EP0071898B1 (de) 1987-07-15
JPS5837022A (ja) 1983-03-04
CA1191995A (en) 1985-08-13
US4442280A (en) 1984-04-10

Similar Documents

Publication Publication Date Title
DE3276756D1 (en) Heterogeneous one-component systems having an extended pot-life from polyol/diphenylmethane-uretdione diisocyanates, process for their preparation and their use in the synthesis of high-molecular polyurethanes
AU532047B2 (en) Modified isocyanate
HUT38377A (en) Process for producing stabilized polyisocyanates
DE3365807D1 (en) Process for glueing crude materials containing lignocellulose by the use of a prepolymer on the basis of a urethane-modified diphenylmethane diisocyanate mixture
DE59203756D1 (de) Ether- und Urethangruppen aufweisende Polyisocyanate, ein Verfahren zu ihrer Herstellung und ihre Verwendung.
JPS5736115A (en) Curing agent composition for polyurethane
GB1034735A (en) Polyurethanes
JPS5698221A (en) Curable resin composition
GB1311095A (en) Alkylene oxide orthotolylene diamine compositions
GB1458564A (en) Process for the preparation of solutions of polyisocyanates
DE3270160D1 (en) Two-package type pressure-sensitive adhesive composition
ATE24527T1 (de) Einkomponenten-einbrennlacke.
JPS56127616A (en) Preparation of thermoplastic polyurethane resin
ES8706743A1 (es) Procedimiento para modificar poliisocianatos organicos.
ES462358A1 (es) Procedimiento para la preparacion de poliisocianatos conte- niendo grupos uretano y biuret.
US3716535A (en) Trimerization of isocyanates
GB1395560A (en) Imido-isocyanates
AU6187786A (en) Polyamines and a process for their production
JPS5493099A (en) Preparation of flexible polyurethane foam
GB1412432A (en) Polyurethane coating compositions
GB1434917A (en) Isocyanates
JPS56127676A (en) Adhesive composition
GB1261861A (en) Stabilisation of organic isocyanates
DE3581350D1 (de) Polyisocyanate mit biuretstruktur und herstellungsverfahren.
JPS54135823A (en) Pigment paste for coloring polyurethane

Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19991108