BR0107957A - Espumas de poliuretano viscoelásticas - Google Patents

Espumas de poliuretano viscoelásticas

Info

Publication number
BR0107957A
BR0107957A BR0107957-3A BR0107957A BR0107957A BR 0107957 A BR0107957 A BR 0107957A BR 0107957 A BR0107957 A BR 0107957A BR 0107957 A BR0107957 A BR 0107957A
Authority
BR
Brazil
Prior art keywords
foams
viscoelastic
monol
polyurethane foams
viscoelastic polyurethane
Prior art date
Application number
BR0107957-3A
Other languages
English (en)
Inventor
Stanley L Hager
Veril C Jividen
Sebastien P Triouleyre
Faouzi Joulak
Original Assignee
Bayer Antwerpen Nv
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 Antwerpen Nv filed Critical Bayer Antwerpen Nv
Publication of BR0107957A publication Critical patent/BR0107957A/pt

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
    • C08G18/2805—Compounds having only one group containing active hydrogen
    • C08G18/2815—Monohydroxy compounds
    • C08G18/283—Compounds containing ether groups, e.g. oxyalkylated monohydroxy compounds

Abstract

"ESPUMAS DE POLIURETANO VISCOELáSTICAS". Espumas viscoelásticas e um processo para fazê-las são divulgados. As espumas são produzidas com uma mistura reativa de isocianato exclusiva que inclui um poliol de peso equivalente baixo e de cerca de 15 a cerca de 70 % em peso de um monol de poliéster ou polioxialquileno tendo um peso equivalente médio total maior que cerca de 1000. O monol é a chave para formular excelentes espumas viscoelásticas em uma faixa ampla de condições de processamento e índices de isocianato. Um monol "reativo" dá espumas viscoelásticas com base em TDI com "tato" melhorado e níveis reduzidos de toluenodiaminas residuais.
BR0107957-3A 2000-01-31 2001-01-24 Espumas de poliuretano viscoelásticas BR0107957A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/495,192 US6391935B1 (en) 2000-01-31 2000-01-31 Viscoelastic polyurethane foams
PCT/IB2001/000209 WO2001057104A2 (en) 2000-01-31 2001-01-24 Viscoelastic polyurethane foams

Publications (1)

Publication Number Publication Date
BR0107957A true BR0107957A (pt) 2002-10-29

Family

ID=23967642

Family Applications (1)

Application Number Title Priority Date Filing Date
BR0107957-3A BR0107957A (pt) 2000-01-31 2001-01-24 Espumas de poliuretano viscoelásticas

Country Status (10)

Country Link
US (1) US6391935B1 (pt)
EP (1) EP1268596A2 (pt)
JP (1) JP2003522235A (pt)
AU (1) AU2001230455A1 (pt)
BR (1) BR0107957A (pt)
CA (1) CA2398507C (pt)
MX (1) MXPA02007351A (pt)
NO (1) NO20023453L (pt)
PL (1) PL356303A1 (pt)
WO (1) WO2001057104A2 (pt)

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Also Published As

Publication number Publication date
US6391935B1 (en) 2002-05-21
CA2398507A1 (en) 2001-08-09
WO2001057104A3 (en) 2002-01-10
EP1268596A2 (en) 2003-01-02
WO2001057104A2 (en) 2001-08-09
CA2398507C (en) 2009-09-29
MXPA02007351A (es) 2003-10-14
NO20023453D0 (no) 2002-07-18
PL356303A1 (en) 2004-06-28
NO20023453L (no) 2002-09-17
JP2003522235A (ja) 2003-07-22
AU2001230455A1 (en) 2001-08-14

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Legal Events

Date Code Title Description
B11A Dismissal acc. art.33 of ipl - examination not requested within 36 months of filing
B11Y Definitive dismissal acc. article 33 of ipl - extension of time limit for request of examination expired