DE69412856D1 - Polyolzusammensetzungen sowie ihre verwendung zur herstellung von hochelastischen polyurethanschaumstoffen - Google Patents

Polyolzusammensetzungen sowie ihre verwendung zur herstellung von hochelastischen polyurethanschaumstoffen

Info

Publication number
DE69412856D1
DE69412856D1 DE69412856T DE69412856T DE69412856D1 DE 69412856 D1 DE69412856 D1 DE 69412856D1 DE 69412856 T DE69412856 T DE 69412856T DE 69412856 T DE69412856 T DE 69412856T DE 69412856 D1 DE69412856 D1 DE 69412856D1
Authority
DE
Germany
Prior art keywords
polyurethane foams
pct
production
polyol compositions
highly elastic
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
Application number
DE69412856T
Other languages
English (en)
Other versions
DE69412856T3 (de
DE69412856T2 (de
Inventor
Jean-Paul Treboux
Philippe Knaub
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.)
Dow Chemical Co
Original Assignee
Polyol International BV
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=10746244&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69412856(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Polyol International BV filed Critical Polyol International BV
Publication of DE69412856D1 publication Critical patent/DE69412856D1/de
Application granted granted Critical
Publication of DE69412856T2 publication Critical patent/DE69412856T2/de
Publication of DE69412856T3 publication Critical patent/DE69412856T3/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • C08G18/28—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
    • C08G18/4072—Mixtures of compounds of group C08G18/63 with other macromolecular compounds
    • 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
    • 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
    • C08G18/4816—Two or more polyethers of different physical or chemical nature mixtures of two or more polyetherpolyols having at least three hydroxy 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
    • C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
    • C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
    • C08G18/6666—Compounds of group C08G18/48 or C08G18/52
    • C08G18/667—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38
    • C08G18/6674—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/3203
    • C08G18/6677—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/3203 having at least three hydroxy 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
    • C08G18/65—Low-molecular-weight compounds having active hydrogen with high-molecular-weight compounds having active hydrogen
    • C08G18/66—Compounds of groups C08G18/42, C08G18/48, or C08G18/52
    • C08G18/6666—Compounds of group C08G18/48 or C08G18/52
    • C08G18/667—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38
    • C08G18/6681—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/32 or C08G18/3271 and/or polyamines of C08G18/38
    • C08G18/6688—Compounds of group C08G18/48 or C08G18/52 with compounds of group C08G18/32 or polyamines of C08G18/38 with compounds of group C08G18/32 or C08G18/3271 and/or polyamines of C08G18/38 with compounds of group C08G18/3271
    • 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
    • C08G2110/0008—Foam properties flexible
    • 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
    • C08G2110/00—Foam properties
    • C08G2110/0083—Foam properties prepared using water as the sole blowing agent

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)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
DE69412856T 1993-12-07 1994-12-02 Polyolzusammensetzungen sowie ihre verwendung zur herstellung von hochelastischen polyurethanschaumstoffen Expired - Lifetime DE69412856T3 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB939325043A GB9325043D0 (en) 1993-12-07 1993-12-07 Polyol compositions and their use in the preparation of high resilience polyurethane foams
GB9325043 1993-12-07
PCT/EP1994/004018 WO1995015990A1 (en) 1993-12-07 1994-12-02 Polyol compositions and their use in the preparation of high resilience polyurethane foams

Publications (3)

Publication Number Publication Date
DE69412856D1 true DE69412856D1 (de) 1998-10-01
DE69412856T2 DE69412856T2 (de) 1999-01-14
DE69412856T3 DE69412856T3 (de) 2007-04-12

Family

ID=10746244

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69412856T Expired - Lifetime DE69412856T3 (de) 1993-12-07 1994-12-02 Polyolzusammensetzungen sowie ihre verwendung zur herstellung von hochelastischen polyurethanschaumstoffen

Country Status (19)

Country Link
US (2) US5668378A (de)
EP (1) EP0733078B2 (de)
JP (2) JPH09506131A (de)
KR (1) KR100343296B1 (de)
CN (1) CN1046741C (de)
AT (1) ATE170199T1 (de)
AU (1) AU689832B2 (de)
BR (1) BR9408191A (de)
CA (1) CA2177710C (de)
CZ (1) CZ167796A3 (de)
DE (1) DE69412856T3 (de)
DK (1) DK0733078T4 (de)
ES (1) ES2120166T5 (de)
GB (1) GB9325043D0 (de)
HU (1) HU215402B (de)
NO (1) NO962388L (de)
PL (1) PL314877A1 (de)
WO (1) WO1995015990A1 (de)
ZA (1) ZA949705B (de)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19610262A1 (de) * 1996-03-15 1997-09-18 Bayer Ag Verfahren zur Herstellung Kohlenwasserstoff-getriebener Polyurethan-Hartschaumstoffe
DE19741257A1 (de) * 1997-09-19 1999-03-25 Basf Ag Verfahren zur Herstellung von Polyurethanschaumstoffen
ATE245668T1 (de) * 1999-05-31 2003-08-15 Huntsman Int Llc Polymer-modifizierte polyole, ihre verwendung für die herstellung von polyurethanprodukten
US6624209B2 (en) 1999-07-30 2003-09-23 Sanyo Chemical Industries, Ltd. Polymer polyol composition, process for producing the same, and process for producing polyurethane resin
US6756414B2 (en) * 1999-07-30 2004-06-29 Sanyo Chemical Industries, Ltd. Polymer polyol composition, process for producing the same, and process for producing polyurethane resin
MXPA02004986A (es) 1999-11-22 2003-01-28 Shell Int Research Proceso para la preparacion de una espuma flexible de poliuretano.
ES2240213T3 (es) 2000-01-17 2005-10-16 Huntsman International Llc Procedimiento para preparar una espuma de poliuretano flexible de espumacion libre o en bloques.
CA2396845C (en) * 2000-02-14 2009-04-14 Huntsman International Llc Process for preparing a flexible polyurethane foam
US6404854B1 (en) * 2000-06-26 2002-06-11 Afp Imaging Corporation Dental x-ray imaging system
EP1174453A1 (de) * 2000-07-17 2002-01-23 Huntsman International Llc Verfahren zur Herstellung eines flexiblen Polyurethanschaumes
US6410609B1 (en) 2000-07-27 2002-06-25 Fomo Products, Inc. Low pressure generating polyurethane foams
US6372812B1 (en) 2001-02-20 2002-04-16 Foamex L.P. Higher support, lower density cushioning foams
DE10129062A1 (de) 2001-06-15 2002-12-19 Basf Ag Verfahren zur Herstellung von hochelastischen Polyurethanschaumstoffen
US6740687B2 (en) * 2002-08-14 2004-05-25 Foamex L.P. Latex replacement polyurethane foams with improved flame retardancy
US6855742B2 (en) * 2003-01-28 2005-02-15 Bayer Antwerp, N.V. Agents for reducing the force-to-crush (FTC) of high support flexible foams
US6716890B1 (en) 2003-01-30 2004-04-06 Foamex L.P. Polyurethane foams with fine cell size
US20060029788A1 (en) * 2004-08-04 2006-02-09 Foamex L.P. Lower density, thermoformable, sound absorbing polyurethane foams
CN101160336B (zh) * 2005-04-21 2010-12-08 旭硝子株式会社 低回弹性软质聚氨酯泡沫及其制造方法
WO2007003348A1 (en) * 2005-07-01 2007-01-11 Latexco Nv Latex based composite foams
US8552078B2 (en) 2006-10-17 2013-10-08 Air Products And Chemicals, Inc. Crosslinkers for improving stability of polyurethane foams
CA2592190A1 (en) * 2007-06-18 2008-12-18 Torr Canada Inc. Coalescing agent
US20090012195A1 (en) * 2007-07-05 2009-01-08 Neff Raymond A Resin composition for use in forming a polyurethane article with increased comfort
US20100160470A1 (en) * 2008-12-23 2010-06-24 Smiecinski Theodore M Flexible Polyurethane Foam
US9725555B2 (en) 2010-09-09 2017-08-08 Innovative Urethane, Llc Sugar-based polyurethanes, methods for their preparation, and methods of use thereof
US9676896B2 (en) 2010-09-09 2017-06-13 Innovative Urethane, Llc Sugar-based polyurethanes, methods for their preparation, and methods of use thereof
ES2715193T3 (es) * 2010-11-03 2019-06-03 Dow Global Technologies Llc Sistemas de poliuretano con capacidad de autoaplastamiento
JP2015511972A (ja) * 2012-01-27 2015-04-23 テンピュール−ペディック・マネジメント・リミテッド・ライアビリティ・カンパニー 低密度フォームおよびフォーム系物品
EP2724834A1 (de) 2012-10-23 2014-04-30 Latexco NV Verfahren und Vorrichtung zur Erzeugung eines Bettprodukts mit Latexschaumschicht, Platte einer solchen Latexschaumschicht zum Schneiden eines Bettprodukts sowie erzeugtes Bettprodukt
US10323116B2 (en) 2013-03-15 2019-06-18 Imperial Sugar Company Polyurethanes, polyurethane foams and methods for their manufacture
AU2018301918B2 (en) * 2017-07-17 2023-08-10 Dow Global Technologies Llc Polyurethane foams and method for making the foam
CN112679693A (zh) * 2019-10-18 2021-04-20 比亚迪股份有限公司 用于制备聚氨酯自结皮泡沫的组合物、聚氨酯自结皮泡沫及其制备方法

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2764565A (en) † 1951-12-24 1956-09-25 Bayer Ag Process and apparatus for the manufacture of polyurethane plastics
US3857800A (en) * 1970-06-19 1974-12-31 Dunlop Holdings Ltd Flexible polyurethane foams prepared from a mixture of polyether polyols
GB1339442A (en) * 1971-06-02 1973-12-05 Dunlop Holdings Ltd Polyurethane foams
DE2263205C2 (de) * 1972-12-23 1983-09-29 Bayer Ag, 5090 Leverkusen Verfahren zur Herstellung von kalthärtenden Polyetherurethanschaumstoffen
SE7503966L (sv) * 1974-04-19 1975-10-20 Naphtachimie Sa Sett att framstella polyuretanskum.
CA1074049A (en) * 1974-11-13 1980-03-18 Russell Van Cleve Polymer/polyols and polyurethane derivatives thereof
DE2832253A1 (de) † 1978-07-22 1980-01-31 Bayer Ag Verfahren zur herstellung von formschaumstoffen
US4239856A (en) * 1978-08-28 1980-12-16 Texaco Development Corp. Method for preparing high-resilient flexible urethane foams
JPS57133112A (en) * 1981-02-12 1982-08-17 Dai Ichi Kogyo Seiyaku Co Ltd Preparation of polyurethane foam
JPS57195113A (en) * 1981-05-26 1982-11-30 Sanyo Chem Ind Ltd Preparation of non-rigid mold polyurethane foam
JPS57195725A (en) * 1981-05-29 1982-12-01 Sanyo Chem Ind Ltd Preparation of soft molding polyurethane foam
JPS59100125A (ja) * 1982-11-29 1984-06-09 Dai Ichi Kogyo Seiyaku Co Ltd 軟質ポリウレタンフオ−ムの製造方法
US4436843A (en) * 1982-12-17 1984-03-13 Texaco Inc. High-resilience polyurethane foams having improved resistance to shrinkage
US4544678A (en) * 1984-11-19 1985-10-01 Stauffer Chemical Company Filled or extended polyurethane foam containing polyethylene glycol softening agent
US4690955A (en) * 1986-06-30 1987-09-01 Union Carbide Corporation Polyether silicone copolymers with mixed hydroxy alkoxy capping for stabilizing high solid content, molded, flexible urethane foam
ZA875927B (en) † 1986-08-27 1989-04-26 Dow Chemical Co Flexible polyurethane foams based on difunctional polyols and mdi and method for preparing the same
DE3721058A1 (de) * 1987-06-26 1989-01-05 Bayer Ag Verfahren zur herstellung von kalthaertenden polyurethan-weichformschaumstoffen
US4863976A (en) † 1988-04-26 1989-09-05 Dow Chemical Company Polyurethane foam prepared using high functionalilty cell openers
DE3818769A1 (de) † 1988-06-02 1989-12-07 Bayer Ag Fluessige polyisocyanatmischungen, ein verfahren zu ihrer herstellung und ihre verwendung zur herstellung von polyurethan-weichschaumstoffen
DD287043A5 (de) * 1988-07-12 1991-02-14 �������@���������@��@����������@��������@�����@��Kk�� Ein zur herstellung von weich-elastischen polyurethanschaumstoffen einsetzbares polymerpolyol
US5011908A (en) * 1988-07-12 1991-04-30 Arco Chemical Technology, Inc. Polymer polyol compositions and their use in the preparation of polyurethane foams
GB9126741D0 (en) † 1991-12-17 1992-02-12 Ici Plc Polyurethane foams
GB9126740D0 (en) * 1991-12-17 1992-02-12 Ici Plc Polyol compositions

Also Published As

Publication number Publication date
CN1136815A (zh) 1996-11-27
ATE170199T1 (de) 1998-09-15
CN1046741C (zh) 1999-11-24
NO962388D0 (no) 1996-06-06
EP0733078B1 (de) 1998-08-26
US5668378A (en) 1997-09-16
DE69412856T3 (de) 2007-04-12
JP2006291222A (ja) 2006-10-26
HUT74892A (en) 1997-02-28
JPH09506131A (ja) 1997-06-17
JP4216868B2 (ja) 2009-01-28
BR9408191A (pt) 1997-08-26
ES2120166T3 (es) 1998-10-16
EP0733078B2 (de) 2006-10-04
DK0733078T3 (da) 1999-05-25
EP0733078A1 (de) 1996-09-25
ZA949705B (en) 1996-06-06
ES2120166T5 (es) 2007-05-16
AU689832B2 (en) 1998-04-09
HU9601534D0 (en) 1996-08-28
CZ167796A3 (en) 1997-01-15
AU1191695A (en) 1995-06-27
CA2177710C (en) 2007-06-12
KR100343296B1 (ko) 2002-11-23
HU215402B (hu) 1998-12-28
GB9325043D0 (en) 1994-02-02
CA2177710A1 (en) 1995-06-15
US5677361A (en) 1997-10-14
DK0733078T4 (da) 2007-02-05
PL314877A1 (en) 1996-09-30
NO962388L (no) 1996-08-06
DE69412856T2 (de) 1999-01-14
WO1995015990A1 (en) 1995-06-15

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8327 Change in the person/name/address of the patent owner

Owner name: THE DOW CHEMICAL CO. (N.D.GES.D. STAATES DELAWARE)

8366 Restricted maintained after opposition proceedings