BR0208607A - Process for the preparation of polyurethane foams and product obtained - Google Patents

Process for the preparation of polyurethane foams and product obtained

Info

Publication number
BR0208607A
BR0208607A BR0208607-7A BR0208607A BR0208607A BR 0208607 A BR0208607 A BR 0208607A BR 0208607 A BR0208607 A BR 0208607A BR 0208607 A BR0208607 A BR 0208607A
Authority
BR
Brazil
Prior art keywords
preparation
weight
polyurethane foams
product obtained
polyol
Prior art date
Application number
BR0208607-7A
Other languages
Portuguese (pt)
Inventor
Flavio Fava
Emanuele Barisoni
Dario Stefani
Original Assignee
Dow Global Technologies Inc
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 Dow Global Technologies Inc filed Critical Dow Global Technologies Inc
Publication of BR0208607A publication Critical patent/BR0208607A/en

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
    • C08G18/48—Polyethers
    • C08G18/4804—Two or more polyethers of different physical or chemical nature
    • C08G18/4812—Mixtures of polyetherdiols with 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
    • C08G18/40—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
    • C08G18/70—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
    • 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
    • C08G2110/0058—≥50 and <150kg/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

Abstract

"PROCESSO PARA A PREPARAçãO DE ESPUMAS DE POLIURETANO E PRODUTO OBTIDO". Processo para a preparação de uma espuma viscoelástica tendo uma densidade de 50 até 100 kg/m^ 3^ envolvendo reagir um componente isocianato tendo uma funcionalidade de 2,1 até 2,7 de fórmula geral (I) : onde <237> representa um grupo fenila e n é um número inteiro maior ou igual a 1, com um componente poliol compreendendo de 80 até 100% em peso de um poliéter poliol bifuncional tendo um peso molecular médio de 1.000 até 4.000, de 0 até 5% em peso de um álcool monofuncional, de 0 até 20% em peso de um poliol tendo uma funcionalidade maior ou igual a três e um peso molecular médio de 92 até 4.000."PROCESS FOR PREPARING POLYURETHANE FOAMS AND PRODUCE OBTAINED". A process for the preparation of a viscoelastic foam having a density of 50 to 100 kg / m2 involving reacting an isocyanate component having a functionality of 2.1 to 2.7 of formula (I): where <237> represents a phenylen en group is an integer greater than or equal to 1, with a polyol component comprising from 80 to 100% by weight of a bifunctional polyol polyether having an average molecular weight of 1,000 to 4,000, from 0 to 5% by weight of an alcohol 0 to 20% by weight of a polyol having a functionality greater than or equal to three and an average molecular weight of 92 to 4,000.

BR0208607-7A 2001-03-23 2002-03-22 Process for the preparation of polyurethane foams and product obtained BR0208607A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT2001MI000619A ITMI20010619A1 (en) 2001-03-23 2001-03-23 PROCEDURE FOR THE PREPARATION OF POLYURETHANE FOAMS
PCT/EP2002/003249 WO2002077056A1 (en) 2001-03-23 2002-03-22 Process for the preparation fo polyurethane foams

Publications (1)

Publication Number Publication Date
BR0208607A true BR0208607A (en) 2004-03-02

Family

ID=11447350

Family Applications (1)

Application Number Title Priority Date Filing Date
BR0208607-7A BR0208607A (en) 2001-03-23 2002-03-22 Process for the preparation of polyurethane foams and product obtained

Country Status (9)

Country Link
EP (1) EP1373351A1 (en)
JP (1) JP2004523632A (en)
KR (1) KR20030085039A (en)
CN (1) CN1229413C (en)
BR (1) BR0208607A (en)
CA (1) CA2441694A1 (en)
IT (1) ITMI20010619A1 (en)
MX (1) MXPA03008624A (en)
WO (1) WO2002077056A1 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2008293536A1 (en) * 2007-08-27 2009-03-05 Dow Global Technologies Inc. Catalysis of viscoelastic foams with bismuth salts
DE102007061883A1 (en) 2007-12-20 2009-06-25 Bayer Materialscience Ag Viscoelastic polyurethane foam
DE102008014032A1 (en) 2008-03-13 2009-09-17 Bayer Materialscience Ag Polyether polyol composition, useful to produce viscoelastic polyurethane foams, comprises polyether polyols with specific hydroxyl-functionality, -number and propylene oxide content, and renewable raw materials with one hydroxyl group
CN101959959B (en) 2008-02-27 2013-12-11 拜耳材料科技股份有限公司 Viscoelastic polyurethane foam containing castor oil
US20130289150A1 (en) * 2012-04-26 2013-10-31 Bayer Materialscience Ag Viscoelastic polyurethane foams
WO2015026567A1 (en) * 2013-08-23 2015-02-26 Dow Global Technologies Llc Textiles attached with low density polyurethane foams made using a combination of frothing and blowing methods
CN108368228A (en) * 2015-12-16 2018-08-03 株式会社普利司通 Flexible polyurethane foams and seat cushion
KR101875439B1 (en) * 2016-08-31 2018-08-02 현대자동차주식회사 Composition for forming polyurethane foam, polyurethane foam and vehicle interior trim having the same
BR112020000738B1 (en) * 2017-07-17 2023-02-28 Dow Global Technologies Llc MIXING POLYETHERS, METHOD FOR MAKING POLYURETHANE FOAM AND FLEXIBLE POLYURETHANE FOAM

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3942330A1 (en) * 1989-12-21 1991-06-27 Basf Ag METHOD FOR THE PRODUCTION OF FLEXIBLE POLYURETHANE SOFT FOAMS WITH VISCOELASTIC, BODY SOUND ABSORBING PROPERTIES AND POLYOXYALKYLENE-POLYOL BLENDS TO BE USED THEREFOR
DE4129666C2 (en) * 1991-09-06 1996-12-12 Stankiewicz Gmbh Process for the production of a viscoelastic damping foam with an adhesive surface
EP1198519B1 (en) * 1999-07-26 2003-06-04 Huntsman International Llc Process for making cold-setting flexible foams, polyol composition and reaction system useful therefor, foams thus obtained

Also Published As

Publication number Publication date
ITMI20010619A0 (en) 2001-03-23
CA2441694A1 (en) 2002-10-03
JP2004523632A (en) 2004-08-05
WO2002077056A1 (en) 2002-10-03
CN1498235A (en) 2004-05-19
CN1229413C (en) 2005-11-30
ITMI20010619A1 (en) 2002-09-23
MXPA03008624A (en) 2004-06-30
EP1373351A1 (en) 2004-01-02
KR20030085039A (en) 2003-11-01

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Legal Events

Date Code Title Description
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

Free format text: REFERENTE A 6A,7A,8A E 9A ANUIDADES.

B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

Free format text: REFERENTE AO DESPACHO 8.6 PUBLICADO NA RPI 2069 DE 31/08/2010.