Polyol composition and polyisocyanate-based foam prepared...

Details Polyol composition and polyisocyanate-based foam prepared... Polyol composition and polyisocyanate-based foam prepared...

C - Chemistry, Metallurgy

08

G

C08G 18/54 (2006.01) C08J 9/08 (2006.01) C08J 9/14 (2006.01)

Patent

CA 2511811

A polyol composition is disclosed that comprises an aromatic polyether polyol , preferably based on the condensation product of a phenol with an aldehyde and as blowing agent, formic acid. The polyol composition finds utility in the manufacture of polyurethaneand particularly polyisocyanurate foams having attractive flameretardant and reduced smoke generation characteristics.

L'invention concerne une composition de polyol comprenant un polyol de polyéther aromatique, fondée, de préférence, sur le produit de condensation d'un phénol avec un aldéhyde et d'acide formique utilisé comme agent d'expansion. La composition de polyol est utile dans la fabrication de polyuréthanne et, plus précisément, de mousses polyisocyanurate caractérisées en ce qu'elles sont ignifuges et génèrent de la fumée de manière réduite.

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