CN103635503B - 低密度聚氨酯泡沫体 - Google Patents

低密度聚氨酯泡沫体 Download PDF

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Publication number
CN103635503B
CN103635503B CN201280018346.3A CN201280018346A CN103635503B CN 103635503 B CN103635503 B CN 103635503B CN 201280018346 A CN201280018346 A CN 201280018346A CN 103635503 B CN103635503 B CN 103635503B
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China
Prior art keywords
polyurethane foam
flexible polyurethane
mdi
isocyanic ester
polyvalent alcohol
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CN201280018346.3A
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English (en)
Chinese (zh)
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CN103635503A (zh
Inventor
B.C.S.莫塔
V.S.明尼坎蒂
R.R.甘博亚
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Dow Brasil Sudeste Industrial Ltda
Dow Global Technologies LLC
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Dow Brasil Sudeste Industrial Ltda
Dow Global Technologies LLC
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    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00Polymeric products of isocyanates or isothiocyanates
    • C08G18/06Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/30Low-molecular-weight compounds
    • C08G18/32Polyhydroxy compounds; Polyamines; Hydroxyamines
    • C08G18/3203Polyhydroxy compounds
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00Polymeric products of isocyanates or isothiocyanates
    • C08G18/06Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/70Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
    • C08G18/72Polyisocyanates or polyisothiocyanates
    • C08G18/74Polyisocyanates or polyisothiocyanates cyclic
    • C08G18/76Polyisocyanates or polyisothiocyanates cyclic aromatic
    • C08G18/7657Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings
    • C08G18/7664Polyisocyanates or polyisothiocyanates cyclic aromatic containing two or more aromatic rings containing alkylene polyphenyl groups
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00Polymeric products of isocyanates or isothiocyanates
    • C08G18/06Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/08Processes
    • C08G18/16Catalysts
    • C08G18/18Catalysts containing secondary or tertiary amines or salts thereof
    • C08G18/1875Catalysts containing secondary or tertiary amines or salts thereof containing ammonium salts or mixtures of secondary of tertiary amines and acids
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00Polymeric products of isocyanates or isothiocyanates
    • C08G18/06Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/08Processes
    • C08G18/10Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00Polymeric products of isocyanates or isothiocyanates
    • C08G18/06Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/40High-molecular-weight compounds
    • C08G18/48Polyethers
    • C08G18/4804Two or more polyethers of different physical or chemical nature
    • C08G18/4816Two or more polyethers of different physical or chemical nature mixtures of two or more polyetherpolyols having at least three hydroxy groups
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G2110/00Foam properties
    • C08G2110/0008Foam properties flexible
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G2110/00Foam properties
    • C08G2110/0041Foam properties having specified density
    • C08G2110/005< 50kg/m3
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G2110/00Foam properties
    • C08G2110/0083Foam properties prepared using water as the sole blowing agent

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  • 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)
CN201280018346.3A 2011-02-14 2012-02-13 低密度聚氨酯泡沫体 Active CN103635503B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201161442474P 2011-02-14 2011-02-14
US61/442,474 2011-02-14
PCT/US2012/024865 WO2012112445A1 (en) 2011-02-14 2012-02-13 Low density polyurethane foams

Publications (2)

Publication Number Publication Date
CN103635503A CN103635503A (zh) 2014-03-12
CN103635503B true CN103635503B (zh) 2016-03-09

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201280018346.3A Active CN103635503B (zh) 2011-02-14 2012-02-13 低密度聚氨酯泡沫体

Country Status (9)

Country Link
US (1) US9228047B2 (enExample)
EP (1) EP2675833B8 (enExample)
JP (1) JP5902719B2 (enExample)
CN (1) CN103635503B (enExample)
AU (1) AU2012217916B2 (enExample)
BR (1) BR112013020709B1 (enExample)
CA (1) CA2827211C (enExample)
MX (1) MX2013009361A (enExample)
WO (1) WO2012112445A1 (enExample)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5889400B2 (ja) * 2011-05-13 2016-03-22 エムエーエス・イノヴェイション・(プライヴェート)・リミテッド 発泡体組成物及びその使用
BR112013030231B1 (pt) * 2011-07-26 2020-08-11 Huntsman International Llc Processo para produzir uma espuma de poliuretano flexível e uso de catalisadores de amina terciária reativos
US10428170B1 (en) * 2012-07-31 2019-10-01 Huntsman International Llc Hydrocarbon blown polyurethane foam formulation giving desirable thermal insulation properties
US9223846B2 (en) 2012-09-18 2015-12-29 International Business Machines Corporation Context-based navigation through a database
US9741138B2 (en) 2012-10-10 2017-08-22 International Business Machines Corporation Node cluster relationships in a graph database
US9053102B2 (en) 2013-01-31 2015-06-09 International Business Machines Corporation Generation of synthetic context frameworks for dimensionally constrained hierarchical synthetic context-based objects
US9069752B2 (en) 2013-01-31 2015-06-30 International Business Machines Corporation Measuring and displaying facets in context-based conformed dimensional data gravity wells
US10152526B2 (en) 2013-04-11 2018-12-11 International Business Machines Corporation Generation of synthetic context objects using bounded context objects
US9195608B2 (en) 2013-05-17 2015-11-24 International Business Machines Corporation Stored data analysis
MX370742B (es) * 2013-05-29 2019-12-20 Dow Quim Mexicana S A De C V Una formulacion para preparar una espuma de poliuretano.
CN106536588B (zh) * 2014-07-28 2020-08-18 东曹株式会社 用于制造软质聚氨酯泡沫的多异氰酸酯组合物、以及使用了其的软质聚氨酯泡沫的制造方法
WO2016036815A1 (en) * 2014-09-04 2016-03-10 Dow Global Technologies Llc Polyurethane mats
EP3230338B1 (de) * 2014-12-10 2022-07-06 Covestro Intellectual Property GmbH & Co. KG Verfahren zur herstellung von viskoelastischen polyurethanschaumstoffen
JP5812219B1 (ja) * 2015-04-17 2015-11-11 東洋インキScホールディングス株式会社 接着剤組成物およびそれを用いた積層体
HUE060823T2 (hu) * 2015-08-17 2023-04-28 Evonik Operations Gmbh Poliuretán rugalmas habok javított keménységgel
US10829584B2 (en) 2015-09-29 2020-11-10 Basf Se High-resiliency polyurethane foam
WO2017083380A1 (en) * 2015-11-12 2017-05-18 Dow Global Technologies Llc High molecular weight hydrophobic polyol
CN106560478A (zh) * 2016-08-03 2017-04-12 广州艾科新材料股份有限公司 一种高吸水且带泡孔结构聚氨基甲酸酯的配方及制备方法
CN106432677B (zh) * 2016-09-29 2019-07-09 上海东大聚氨酯有限公司 组合聚醚、聚氨酯原料组合物、仿木材料及制备方法
CN106478913B (zh) * 2016-09-29 2019-10-01 上海东大聚氨酯有限公司 组合聚醚、聚氨酯泡沫及其原料组合物、制备方法和应用
CN106397710B (zh) * 2016-09-30 2019-01-01 上海东大聚氨酯有限公司 组合聚醚、聚氨酯原料组合物、泡沫及制备方法
KR20200079522A (ko) * 2017-11-10 2020-07-03 다우 글로벌 테크놀로지스 엘엘씨 폴리우레탄 폼 시스템
BR112020016587A2 (pt) 2018-02-15 2020-12-15 3M Innovative Properties Company Poliuretano hidrofílico, método de formação de um poliuretano e método de formação de uma espuma de poliuretano
CN108409940B (zh) * 2018-03-14 2021-04-27 烟台合力聚氨酯有限公司 一种用于制备高回弹泡沫的改性mdi的制备方法
EP3892663A1 (en) 2020-04-09 2021-10-13 Covestro Deutschland AG Rigid polyurethane foam
US20220112326A1 (en) * 2020-10-12 2022-04-14 Ford Global Technologies, Llc Renewable-based flexible polyurethane foams
CN114380972B (zh) * 2020-10-20 2024-06-14 惠彩材料科技(苏州)有限公司 一种软质慢回弹聚氨酯泡棉及其制备方法和应用
CN116997584A (zh) * 2021-03-05 2023-11-03 亨斯迈国际有限责任公司 具有改进的脱模时间的模塑聚氨酯软质泡沫
US12006453B2 (en) 2021-07-07 2024-06-11 Pittsburgh Plastics Manufacturing, Inc. Gel elastomer fastening device
CN117881714A (zh) 2021-08-11 2024-04-12 国际壳牌研究有限公司 用于制备高回弹性聚氨酯泡沫的方法
WO2024228939A1 (en) 2023-05-03 2024-11-07 Rogers Corporation Thermal management sheet, method of manufacture, and articles using the same
US20250358566A1 (en) 2024-05-17 2025-11-20 Rogers Corporation Sound-absorbing material

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0976770A1 (en) * 1998-07-27 2000-02-02 Sealed Air Corporation (US) Polyol blend for producing polyurethane foam, and foam produced thereby
US6372812B1 (en) * 2001-02-20 2002-04-16 Foamex L.P. Higher support, lower density cushioning foams
CN1353729A (zh) * 1999-05-31 2002-06-12 亨茨曼国际有限公司 制造低密度泡沫体的方法,多元醇组合物及其所用的反应体系

Family Cites Families (40)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4394491A (en) 1980-10-08 1983-07-19 The Dow Chemical Company Addition polymerizable adduct of a polymeric monoahl and an unsaturated isocyanate
US5114989A (en) 1990-11-13 1992-05-19 The Dow Chemical Company Isocyanate-terminated prepolymer and polyurethane foam prepared therefrom
GB9126740D0 (en) * 1991-12-17 1992-02-12 Ici Plc Polyol compositions
JP3254664B2 (ja) 1992-03-03 2002-02-12 日本ポリウレタン工業株式会社 軟質ポリウレタンフォームスラブの製造方法
US5621016A (en) 1992-04-16 1997-04-15 Imperial Chemical Industries Plc Polyisocyanate compositions and low density flexible polyurethane foams produced therewith
US5478494A (en) 1993-09-22 1995-12-26 Basf Corporation Polyol composition having good flow and formic acid blown rigid polyurethane foams made thereby having good dimensional stability
US5600019A (en) 1993-12-17 1997-02-04 The Dow Chemical Company Polyisocyanate based polymers perpared from formulations including non-silicone surfactants and method for the preparation thereof
JPH07258373A (ja) * 1994-03-18 1995-10-09 Shell Internatl Res Maatschappij Bv 低密度かつ低硬度の軟質ポリウレタンフォームの製造方法
JPH07330850A (ja) 1994-06-13 1995-12-19 Mitsubishi Kagaku Dow Kk 軟質ポリウレタンフォームの製造方法
US5605939A (en) * 1996-01-26 1997-02-25 Arco Chemical Technology, L.P. Poly(oxypropylene/oxyethylene) random polyols useful in preparing flexible high resilience foam with reduced tendencies toward shrinkage and foam prepared therewith
CN1131256C (zh) 1997-03-25 2003-12-17 亨茨曼Ici化学品有限公司 可挠性聚氨基甲酸酯发泡体的制法
JPH1112341A (ja) * 1997-06-24 1999-01-19 Nippon Polyurethane Ind Co Ltd 表面装飾付き薄物軟質ポリウレタン発泡体の製造方法
US5877227A (en) 1997-08-11 1999-03-02 Imperial Chemical Industries Plc Low density flexible polyurethane foams
JP3680533B2 (ja) * 1998-01-09 2005-08-10 株式会社日立製作所 冷蔵庫の断熱箱体
JP3612698B2 (ja) * 1998-03-10 2005-01-19 日本ポリウレタン工業株式会社 軟質ポリウレタンフォームの製造方法
TW568921B (en) 1998-08-07 2004-01-01 Huntsman Int Llc Process for preparing a moulded flexible polyurethane foam
JP3885851B2 (ja) 1998-09-02 2007-02-28 日本ポリウレタン工業株式会社 軟質ポリウレタンフォームの製造方法
WO2001032736A1 (en) 1999-11-02 2001-05-10 Huntsman International Llc Process for making visco-elastic foams, polyols blend and reaction system useful therefor
DE60019975T2 (de) * 2000-01-17 2006-04-27 Huntsman International Llc, Salt Lake City VERFAHREN ZUR HERSTELLUNG EINES FREI AUFGEHENDEN ODER EINES BLOCK-Polyurethanweichschaumstoffes
CN1429241A (zh) 2000-05-15 2003-07-09 陶氏环球技术公司 含分散结晶聚酯的聚氨酯
WO2002010245A1 (en) 2000-08-01 2002-02-07 Huntsman International Llc Manufacture of mdi-tdi based flexible polyurethane foams
US6420448B1 (en) 2001-01-18 2002-07-16 Foamex Lp Energy absorbing foams
US6740687B2 (en) 2002-08-14 2004-05-25 Foamex L.P. Latex replacement polyurethane foams with improved flame retardancy
US8133930B2 (en) * 2003-04-25 2012-03-13 Dow Global Technologies Llc Polyurethane foams made from hydroxymethyl-containing polyester polyols
US20060142529A1 (en) 2004-02-06 2006-06-29 Verena Thiede Hydrophilic polyurethane polymers derived from a mdi-based isocyanate-terminated prepolymer
WO2006116456A1 (en) * 2005-04-25 2006-11-02 Cargill, Incorporated Polyurethane foams comprising oligomeric polyols
JP5526476B2 (ja) * 2005-08-05 2014-06-18 旭硝子株式会社 軟質ポリウレタンフォーム、その製造方法および自動車用シート
ES2353434T3 (es) * 2006-03-24 2011-03-02 Huntsman International Llc Procedimiento para fabricar una espuma de poliuretano.
ATE449117T1 (de) * 2006-04-07 2009-12-15 Dow Global Technologies Inc Heissverarbeitung von polyurethan- teppichträgersystemen mit doppelt verzögertem aktionskatalysator
US20070299153A1 (en) * 2006-06-23 2007-12-27 Hager Stanley L Viscoelastic foams with slower recovery and improved tear
DK2041199T3 (da) * 2006-07-04 2010-03-29 Huntsman Int Llc Fremgangsmåde til fremstilling af viskoelastisk skum
WO2008021034A2 (en) 2006-08-10 2008-02-21 Dow Global Technologies, Inc. Method for preparing viscoelastic polyurethane foam
JP5274996B2 (ja) 2008-11-26 2013-08-28 三洋化成工業株式会社 軟質ポリウレタンフォームの製造方法
US20100160470A1 (en) 2008-12-23 2010-06-24 Smiecinski Theodore M Flexible Polyurethane Foam
BRPI1006523A2 (pt) * 2009-03-05 2016-02-10 Dow Global Technologies Llc mistura de polióis, produto de poliuretano e método para produzir um produto de poliuretano
KR20120082407A (ko) * 2009-09-18 2012-07-23 아사히 가라스 가부시키가이샤 연질 폴리우레탄 폼의 제조 방법
TW201129579A (en) * 2009-10-05 2011-09-01 Asahi Glass Co Ltd Polymer-dispersed polyol and method for manufacturing a soft polyurethane foam
DE10751971T8 (de) * 2009-10-07 2013-04-25 Huntsman International Llc Verfahren zur herstellung eines flexiblen polyurethanschaumstoffs
ITMI20092227A1 (it) * 2009-12-18 2011-06-19 Dow Global Technologies Inc Schiume poliuretaniche ritardanti di fiamma contenenti legami biureto
JP5320308B2 (ja) 2010-01-14 2013-10-23 株式会社エヌ・ティ・ティ・ドコモ 地域情報提示サーバ及び地域情報提示方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0976770A1 (en) * 1998-07-27 2000-02-02 Sealed Air Corporation (US) Polyol blend for producing polyurethane foam, and foam produced thereby
CN1353729A (zh) * 1999-05-31 2002-06-12 亨茨曼国际有限公司 制造低密度泡沫体的方法,多元醇组合物及其所用的反应体系
US6372812B1 (en) * 2001-02-20 2002-04-16 Foamex L.P. Higher support, lower density cushioning foams

Also Published As

Publication number Publication date
CA2827211C (en) 2019-05-21
WO2012112445A1 (en) 2012-08-23
MX2013009361A (es) 2013-09-26
EP2675833B8 (en) 2017-12-13
EP2675833B1 (en) 2017-11-01
US20130331473A1 (en) 2013-12-12
BR112013020709B1 (pt) 2020-08-25
AU2012217916B2 (en) 2016-01-21
JP5902719B2 (ja) 2016-04-13
JP2014506615A (ja) 2014-03-17
CN103635503A (zh) 2014-03-12
AU2012217916A1 (en) 2013-08-29
CA2827211A1 (en) 2012-08-23
EP2675833A1 (en) 2013-12-25
US9228047B2 (en) 2016-01-05
BR112013020709A2 (pt) 2016-10-18

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