Compositions for the production of polyurethane foam...

Details Compositions for the production of polyurethane foam... Compositions for the production of polyurethane foam...

C - Chemistry, Metallurgy

08

G

403/29

C08G 18/72 (2006.01) C08J 9/00 (2006.01)

Patent

CA 1216399

-A- COMPOSITIONS FOR THE PRODUCTION OF POLYURETHANE FOAM MATERIALS HAVING IMPROVED FORM STABILITY ABSTRACT OF THE DISCLOSURE The present invention relates to one component polyurethane foam compositions which comprise mixtures of prepolymers of a polyol and an excess of isocyanate; the usual adjuvants for polyurethane foams, an expanding gas under pressure and a poly- siloxane compound with antifoam activity stored in a valved pressure vessel.

404797

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