Low-cost surfactant compositions for high resiliency...

Details Low-cost surfactant compositions for high resiliency... Low-cost surfactant compositions for high resiliency...

C - Chemistry, Metallurgy

08

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C08G 18/61 (2006.01) C08G 18/40 (2006.01) C08G 18/48 (2006.01) C08J 9/00 (2006.01)

Patent

CA 1192350

LOW-COST SURFACTANT COMPOSITIONS FOR HIGH RESILIENCY FLEXIBLE FOAMS Abstract of the Disclosure The method for improving cell structure with little or no shrinkage or foam collapse in molded high resilience open celled flexible polyurethane foams prepared by the reaction of an organic polyol having a hydroxyl functionality of at least 2 with an organic polyisocyanate in the presence of a blowing agent. This method comprises incorporating with the reactants three cell modifiers consisting of a polysiloxane-polyoxyalkylene copolymer, a polymethylsiloxane, and a polyether polyol cell modifier containing polyoxyethylene groups in amount of at least about 80 percent by weight of said polyether polyol.

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