Catalyst composition for rigid polyurethane foams

Details Catalyst composition for rigid polyurethane foams Catalyst composition for rigid polyurethane foams

C - Chemistry, Metallurgy

08

G

403/25, 252/62

C08G 18/22 (2006.01) C08G 18/14 (1980.01)

Patent

CA 1129838

ABSTRACT - The rate of the reaction between a polyol and a polyfunctional isocyanate to form a rigid polyurethane foam can be controlled within a wide range, using as the catalyst for said reaction a mixture comprising catalytically effective amounts of an antimony carboxylate, a potassium carboxylate and a zinc carboxylate. The mixture can be used alone or in combination with tertiary amines or tin compounds, both of which are conventionally employed as catalysts for the polyol-isocyanate reaction.

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