Process for preparing rigid polyurethane foams using latent...

Details Process for preparing rigid polyurethane foams using latent... Process for preparing rigid polyurethane foams using latent...

C - Chemistry, Metallurgy

08

G

403/26

C08G 18/16 (2006.01) C08G 18/24 (2006.01)

Patent

CA 1081398

PROCESS FOR PREPARING RIGID POLYURETHANE FOAMS USING LATENT CATALYSTS Abstract of the Disclosure - The combination of a diorganotin sulfide, -polysulfide, -dithiocyanate, bis(thio- cyanato diorganotin) sulfide or bis(thiocyanato diorganotin) oxide with a tertiary amine functions as a latent catalyst for rigid polyurethane foams. Latency is not observed using a tertiary amine with other sulfur-containing organotin compounds. -i-

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