Improved open celled polyurethane foams and methods and...

Details Improved open celled polyurethane foams and methods and... Improved open celled polyurethane foams and methods and...

C - Chemistry, Metallurgy

08

J

C08J 9/06 (2006.01) C08G 18/40 (2006.01) C08G 18/42 (2006.01) C08K 5/098 (2006.01) C08L 75/06 (2006.01)

Patent

CA 2222221

Disclosed are methods and compositions for preparing polyurethane foams using emulsified polyol mixture comprising: (a) a polyol formulation comprising a polyester polyol having an OH value of from about 150 to 350; and (b) a cell opening agent.

L'invention se rapporte à des procédés et à des compositions permettant de préparer des mousses de polyuréthanne au moyen d'un mélange de polyols émulsifiés constitué (a) d'une formulation de polyols comprenant un polyol de polyester ayant une valeur OH comprise entre environ 150 et 350; et (b) un agent ouvrant les alvéoles.

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