DE602006008337D1 - Verfahren zur herstellung von polyisocyanat-polyurethan-material - Google Patents

Verfahren zur herstellung von polyisocyanat-polyurethan-material

Info

Publication number
DE602006008337D1
DE602006008337D1 DE602006008337T DE602006008337T DE602006008337D1 DE 602006008337 D1 DE602006008337 D1 DE 602006008337D1 DE 602006008337 T DE602006008337 T DE 602006008337T DE 602006008337 T DE602006008337 T DE 602006008337T DE 602006008337 D1 DE602006008337 D1 DE 602006008337D1
Authority
DE
Germany
Prior art keywords
polyisocyanate
weight
isocyanate
diphenylmethane diisocyanate
polyurethane material
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.)
Active
Application number
DE602006008337T
Other languages
English (en)
Inventor
Gerhard Jozef Bleys
Eric Huygens
Stijn Roekaerts
Marc Vandervesse
Hans Godelieve Guido Verbeke
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.)
Huntsman International LLC
Original Assignee
Huntsman International LLC
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 Huntsman International LLC filed Critical Huntsman International LLC
Publication of DE602006008337D1 publication Critical patent/DE602006008337D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • C08G18/08—Processes
    • C08G18/09—Processes comprising oligomerisation of isocyanates or isothiocyanates involving reaction of a part of the isocyanate or isothiocyanate groups with each other in the reaction mixture
    • 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
    • C08G18/09—Processes comprising oligomerisation of isocyanates or isothiocyanates involving reaction of a part of the isocyanate or isothiocyanate groups with each other in the reaction mixture
    • C08G18/092—Processes comprising oligomerisation of isocyanates or isothiocyanates involving reaction of a part of the isocyanate or isothiocyanate groups with each other in the reaction mixture 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
    • 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
    • C08G18/48—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
    • C08G18/4833—Polyethers containing oxyethylene units
    • C08G18/4837—Polyethers containing oxyethylene units and other oxyalkylene units
    • 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
    • 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
    • C08G18/7671—Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups containing only one alkylene bisphenyl group

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
DE602006008337T 2005-10-13 2006-09-29 Verfahren zur herstellung von polyisocyanat-polyurethan-material Active DE602006008337D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP05109530 2005-10-13
PCT/EP2006/066889 WO2007042411A1 (en) 2005-10-13 2006-09-29 Process for preparing polyisocyanurate polyurethane material

Publications (1)

Publication Number Publication Date
DE602006008337D1 true DE602006008337D1 (de) 2009-09-17

Family

ID=35788185

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602006008337T Active DE602006008337D1 (de) 2005-10-13 2006-09-29 Verfahren zur herstellung von polyisocyanat-polyurethan-material

Country Status (13)

Country Link
US (1) US8785570B2 (de)
EP (1) EP1940899B1 (de)
JP (1) JP5044561B2 (de)
KR (1) KR20080057271A (de)
CN (1) CN101283012B (de)
AT (1) ATE438669T1 (de)
AU (1) AU2006301367B2 (de)
BR (1) BRPI0616662B1 (de)
CA (1) CA2625689C (de)
DE (1) DE602006008337D1 (de)
ES (1) ES2327569T3 (de)
RU (1) RU2415877C2 (de)
WO (1) WO2007042411A1 (de)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4818104B2 (ja) * 2003-06-12 2011-11-16 ハンツマン・インターナショナル・エルエルシー ポリイソシアヌレートポリウレタン材料の製造プロセス
CA2625689C (en) 2005-10-13 2013-07-09 Huntsman International Llc Process for preparing polyisocyanurate polyurethane material
CN101389675B (zh) * 2006-02-21 2012-06-20 亨茨曼国际有限公司 制备聚异氰脲酸酯复合材料的方法
ES2332955T3 (es) 2006-06-14 2010-02-15 Huntsman International Llc Panel de material compuesto.
CN101945910B (zh) * 2008-02-14 2013-09-18 亨茨曼国际有限公司 具有高的硬嵌段含量的弹性体材料和制备它们的方法
WO2009109600A1 (en) 2008-03-07 2009-09-11 Huntsman International Llc Foamed materials comprising a matrix having a high hardblock content and process for preparing them
EP2182017A1 (de) * 2008-07-10 2010-05-05 Huntsman International Llc Poly-Isocyanuratbasierte, syntaktische Beschichtung für Offshore-Anwendungen
CN102131840B (zh) 2008-08-28 2014-01-29 亨茨曼国际有限公司 通过多元醇和酸酐的反应获得的混合物及其在聚异氰酸酯中用来制备聚异氰脲酸酯的用途
EP2440615B1 (de) * 2009-06-09 2013-04-03 Huntsman International LLC Materialien mit einer matrix und verfahren zu deren herstellung
EP2591029A1 (de) 2010-07-08 2013-05-15 Huntsman International LLC Auf polyisocyanat basierende antikorrosionsbeschichtung
WO2012062796A1 (en) 2010-11-09 2012-05-18 Rockwool International A/S Method for manufacturing an aerogel-containing composite and composite produced by said method
EP2637982B1 (de) 2010-11-09 2021-01-06 Rockwool International A/S Mineralfaserprodukt mit verringerter wärmeleitfähigkeit
RU2014136188A (ru) 2012-02-08 2016-03-27 Байер Интеллектчуал Проперти Гмбх Способ изготовления твердой полиуретан-полиизоциануратной пены
EP2687551A1 (de) * 2012-07-17 2014-01-22 Huntsman International Llc Zwischenpolysiocyanurat, umfassend Materialien
EP2743284A1 (de) 2012-12-13 2014-06-18 Basf Se Hydrolysestabiles Polyurethan zur Beschichtung von Elementen in maritimen Anwendungen
US10442885B2 (en) 2012-12-13 2019-10-15 Basf Se Hydrolysis-stable polyurethane for coating elements in maritime applications
EP2743285A1 (de) 2012-12-13 2014-06-18 Basf Se Hydrolysestabiles Polyurethan zur Anwendung im off-shore Bereich
EP2805976A1 (de) * 2013-05-24 2014-11-26 Huntsman International Llc Aldehyd enthaltende Zusammensetzungen, die zur Herstellung von härtbaren Polyisocyanatzusammensetzungen geeignet sind
EP2808353A1 (de) * 2013-05-31 2014-12-03 Huntsman International Llc Verfahren zur Verbesserung der Festigkeit von Polyisocyanat-Polyadditionsreaktionsprodukten
JP6464161B2 (ja) 2013-07-11 2019-02-06 ダウ グローバル テクノロジーズ エルエルシー ウレタン−イソシアヌレートを作製するプロセス
EP2993195A1 (de) * 2014-09-05 2016-03-09 Huntsman International Llc Verfahren zur Verbesserung der Frakturbeständigkeit von Polyisocyanurat mit Reaktionsprodukten
CN107592871B (zh) 2015-03-11 2023-05-05 巴斯夫欧洲公司 制备具有改善的水解稳定性的致密型聚氨酯的方法
WO2018015245A1 (de) 2016-07-21 2018-01-25 Covestro Deutschland Ag Hochtemperaturstabile polyisocyanuratschaumstoffe
EP4107201A1 (de) 2020-02-17 2022-12-28 Dow Global Technologies LLC Polyurethanhartschaumstoff

Family Cites Families (58)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3940517A (en) 1973-01-11 1976-02-24 The Celotex Corporation Polyisocyanurate foam, catalyst composition and process for producing such
GB1433642A (en) 1973-01-11 1976-04-28 Celotex Corp Polyisocyanurate composition related products and processes
ZA755751B (en) 1974-12-24 1976-08-25 Basf Wyandotte Corp Manufacture of foams
DE2607380C3 (de) 1976-02-24 1981-07-23 Bayer Ag, 5090 Leverkusen Verfahren zur Herstellung von warmformbaren Polyisocyanuratschaumstoffen
US4066580A (en) 1976-06-07 1978-01-03 Basf Wyandotte Corporation Process for the manufacture of polyisocyanurate foams
US4126742A (en) 1978-05-15 1978-11-21 The Upjohn Company High-modulus polyisocyanurate elastomers
US4126741A (en) 1978-05-15 1978-11-21 The Upjohn Company High-modulus polyisocyanurate elastomers
US4247656A (en) 1979-03-14 1981-01-27 Minnesota Mining And Manufacturing Company Poly(urethane-isocyanurate) foams
US4299924A (en) * 1979-08-10 1981-11-10 Toyota Jidosha Kogyo Kabushiki Kaisha Polyisocyanurate resin and process for making the same
DE3164149D1 (en) * 1980-07-21 1984-07-19 Mobay Chemical Corp Process for the production of elastomeric moulded products
US4424288A (en) 1981-12-24 1984-01-03 Basf Wyandotte Corporation Carbodiimide-modified polymethylene polyphenylene polyisocyanates for use in the preparation of polyisocyanurate-polyurethane foams
US4661533A (en) 1985-10-28 1987-04-28 The Dow Chemical Company Rigid polyurethane modified polyisocyanurate containing fly ash as an inorganic filler
JPS62101622A (ja) 1985-10-29 1987-05-12 Sanyo Chem Ind Ltd 熱硬化性樹脂の製法
IT1190432B (it) 1985-12-10 1988-02-16 Montedison Spa Compositi ad alta densita' a base essenzialmente poliisocianurica
US4871612A (en) 1986-09-05 1989-10-03 Inoue Mtp Kabushiki Kaisha Interior member for vehicles and method for its manufacture
DE3739327A1 (de) 1987-08-20 1989-06-01 Helmut Pelzer Verfahren zur herstellung eines faserverstaerkten, duroplastischen werkstoffes
US4900776A (en) 1988-12-01 1990-02-13 Georgia-Pacific Resins, Inc. Potassium catalyst system for preparing polyurethane based plywood-patch compositions
US5286759A (en) 1991-03-08 1994-02-15 The Dow Chemical Company Foaming system for rigid urethane and isocyanurate foams
US5137929A (en) 1991-06-21 1992-08-11 Allied-Signal Inc. Additives which stabilize hydrohalocarbon blowing agent in polyurethane and polyisocyanurate foam formulations during polymerization
JPH05140257A (ja) 1991-11-19 1993-06-08 Sekisui Chem Co Ltd 硬質ウレタン樹脂発泡体の製造方法
US5260344A (en) 1992-03-13 1993-11-09 Asahi Glass Company, Ltd. Open cell rigid isocyanurate foams and method for producing the same and vacuum heat insulating layer by use of the same
BE1005821A3 (nl) 1992-05-18 1994-02-08 Recticel Werkwijze voor het vervaardigen van zelfdragende kunststof garnituuronderdelen en aldus vervaardigd garnituuronderdeel.
US5232957A (en) 1992-09-11 1993-08-03 Davidson Textron Inc. RIM molded energy absorbing polyurethane foam
JP3325318B2 (ja) 1992-12-28 2002-09-17 三井化学株式会社 硬質ポリウレタンフォーム
GB9301428D0 (en) 1993-01-25 1993-03-17 Ici Plc Polyurethane foams
US5418261A (en) 1993-01-25 1995-05-23 Imperial Chemical Industries Plc Polyurethane foams
US5556934A (en) 1993-09-03 1996-09-17 H. B. Fuller Licensing & Financing Inc. Isocyanurate embedment compound
US5346928A (en) * 1993-09-09 1994-09-13 Imperial Chemical Industries Plc Rigid polyurethane foams
US5900442A (en) 1995-05-12 1999-05-04 Imperial Chemical Industries Plc Flexible polyurethane foams
RU2144546C1 (ru) 1995-05-12 2000-01-20 Империал Кемикал Индастриз ПЛС Новые гибкие пенополиуретаны
JPH08319330A (ja) 1995-05-29 1996-12-03 Mitsubishi Kagaku Dow Kk 連続気泡ポリウレタン変性ポリイソシアヌレートフォームの製造方法
US5928772A (en) 1996-06-13 1999-07-27 Dainippon Ink And Chemicals, Inc. Panel material and method of manufacturing the same
BR9709988A (pt) 1996-06-27 1999-08-10 Ici Plc Processo para a preparação de espumas de poliuretano elastoméricas microcelulares espuma elastomérica e sistema de reacão
AU4380097A (en) 1996-08-27 1998-03-19 Ciba Specialty Chemicals Holding Inc. Polyurethane-isocyanurate casting systems with high heat deflection temperat ures
US6031010A (en) * 1997-08-11 2000-02-29 Imperial Chemical Industries Plc Polyurethane foam composition having improved flex fatigue
DE19838167A1 (de) 1998-08-21 2000-02-24 Basf Ag Mischung enthaltend Isocyanate sowie organische und/oder anorganische Säureanhydride
KR20010103702A (ko) 1998-11-16 2001-11-23 추후제출 폴리이소시아누레이트 조성물 및 복합재료
DE19918726C2 (de) 1999-04-24 2002-04-11 Bayer Ag Offenzellige Polyurethanhartschaumstoffe
US6509392B1 (en) 2000-01-25 2003-01-21 H.A. International Llc Foundry binder and process
EP1167414A1 (de) 2000-06-29 2002-01-02 Huntsman International Llc Verfahren zur Herstellung von Polyurethanhartschaumstoffen mit hoher Haftung
EP1172387A1 (de) 2000-07-14 2002-01-16 Huntsman International Llc Verfahren zum Herstellen eines Elastomers
EP1178063A1 (de) * 2000-08-01 2002-02-06 Huntsman International Llc Verfahren zur Herstellung eines Polyurethanmaterials
FR2812653A1 (fr) 2000-08-03 2002-02-08 Michelin Soc Tech Colle pour compositions de caoutchouc, son procede de preparation et articles comportant cette colle
JP4472856B2 (ja) * 2000-09-19 2010-06-02 有限会社サン・イースト・リサーチ 親水性連続微細気泡ポリイソシアヌレートフォームの製造方法並びに親水性連続微細気泡ポリイソシアヌレートフォーム
IT1319215B1 (it) 2000-10-16 2003-09-26 Industrialesud Spa Prodotto multistrato, suo uso per la realizzazione di articolileggeri, fonoassorbenti, autoportanti e articoli ottenibili con detto
DE10145458B4 (de) 2001-09-14 2014-03-20 Basf Se Verfahren zur Herstellung von Urethan- und überwiegend Isocyanuratgruppen aufweisenden Polyurethanhartschaumstoffen
US6773756B2 (en) 2002-03-20 2004-08-10 Bayer Polymers Llc Process to manufacture three dimensionally shaped substrate for sound abatement
US6729045B2 (en) * 2002-10-02 2004-05-04 Dale F. Isackson Tap device for clogging shoes
US20040069971A1 (en) 2002-10-15 2004-04-15 Witteveen Martijn M. Polyol compositions and rigid polyisocyanurate foams prepared therefrom
DE10257633A1 (de) 2002-12-09 2004-06-24 Basf Ag Verbundelemente, insbesondere gedämmte Rohre
US20040249078A1 (en) 2003-06-04 2004-12-09 Honeywell International, Inc. Foam catalyst systems
JP4818104B2 (ja) 2003-06-12 2011-11-16 ハンツマン・インターナショナル・エルエルシー ポリイソシアヌレートポリウレタン材料の製造プロセス
DE10359024A1 (de) 2003-12-15 2005-07-21 Basf Ag Zinnfreie Polyurethanschaumstoffe
US7763341B2 (en) 2004-01-23 2010-07-27 Century-Board Usa, Llc Filled polymer composite and synthetic building material compositions
ITRM20040375A1 (it) 2004-07-23 2004-10-23 Tekno Garden S R L Materiali compositi a base di resine leganti, procedimenti per la loro preparazione e usi.
EP1940898B1 (de) 2005-10-13 2010-12-15 Huntsman International Llc Verfahren zur herstellung eines polyisocyanuratpolyurethanmaterials
CA2625689C (en) 2005-10-13 2013-07-09 Huntsman International Llc Process for preparing polyisocyanurate polyurethane material
CN101389675B (zh) 2006-02-21 2012-06-20 亨茨曼国际有限公司 制备聚异氰脲酸酯复合材料的方法

Also Published As

Publication number Publication date
CN101283012B (zh) 2011-07-06
CA2625689C (en) 2013-07-09
BRPI0616662A2 (pt) 2012-12-25
US20080262168A1 (en) 2008-10-23
AU2006301367B2 (en) 2012-02-02
WO2007042411A1 (en) 2007-04-19
US8785570B2 (en) 2014-07-22
EP1940899A1 (de) 2008-07-09
RU2415877C2 (ru) 2011-04-10
JP5044561B2 (ja) 2012-10-10
JP2009511685A (ja) 2009-03-19
RU2008118478A (ru) 2009-11-20
AU2006301367A1 (en) 2007-04-19
BRPI0616662B1 (pt) 2017-06-13
ATE438669T1 (de) 2009-08-15
EP1940899B1 (de) 2009-08-05
CA2625689A1 (en) 2007-04-19
KR20080057271A (ko) 2008-06-24
ES2327569T3 (es) 2009-10-30
CN101283012A (zh) 2008-10-08

Similar Documents

Publication Publication Date Title
ATE438669T1 (de) Verfahren zur herstellung von polyisocyanat- polyurethan-material
ATE491734T1 (de) Verfahren zur herstellung eines polyisocyanuratpolyurethanmaterials
ATE521651T1 (de) Verfahren zur herstellung eines polyisocyanurat- polyurethanmaterials
DE602005005310D1 (de) Verfahren zur herstellung von polyurethan-hartschaumstoffen
JP2006527295A5 (de)
DE502005009405D1 (de) Verfahren zur Herstellung von Polyurethan-Hartschaumstoffen
ATE478907T1 (de) Verfahren zur herstellung von polyurethanen
JP2011190457A5 (de)
CA2413419A1 (en) Process for preparing an elastomer
ATE465196T1 (de) Verfahren zur herstellung von hart- und halbhartschaumstoffen mit geringen mengen an diisocyanat unter verwendung von polymerpolyolen, gekennzeichnet durch hohen feststoffgehalt und hohe hydroxylzahl, und resultierende schaumstoffe
CA2417267A1 (en) Process for preparing a polyurethane material
HK1084961A1 (en) Low-viscosity polyurethane prepolymers based on 2,4'-mdi
ATE499397T1 (de) Verfahren zur herstellung von polyadditionsverbindungen
ATE382645T1 (de) Verfärbungsstabile polyetherallophanate
ATE297424T1 (de) Polyisocyanatzusammensetzungen und verfahren zur herstellung von weichschäumen niedriger dichte mit niedrigem feuchtgealterten druckverformungsrest aus diesen polyisocyanatzusammensetzungen
DE602007010438D1 (de) Verfahren zur herstelung eines polyurethanschaums
BRPI0516579A (pt) composição de poliol, e, processo para a preparação da mesma
WO1999061501A8 (de) Isocyanatgruppenhaltige prepolymere und verfahren zu ihrer herstellung
MX2018013855A (es) Espuma de poliuretano flexible sin adhesion.
CA2327700A1 (en) One-shot polyurethane elastomers with very low compression sets
CN109689722A (zh) 混杂组合物
ATE470686T1 (de) Kristallisationsstabile mdi-allophanate nach einem zweistufigen verfahren
MX2022010735A (es) Composicion de catalizador.
HK1089461A1 (en) Phenol-blocked polyurethane prepolymers
MX2022010784A (es) Composicion catalizadora para poliuretanos.

Legal Events

Date Code Title Description
8364 No opposition during term of opposition