Latent catalysts comprising bismuth carboxylates and zirconium c

Details Latent catalysts comprising bismuth carboxylates and zirconium c Latent catalysts comprising bismuth carboxylates and zirconium c

1990-11-13

1991-11-12

Welsh, Maurice J.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Cellular products or processes of preparing a cellular...

528 56, 502170, 25218224, 25218227, C08G 1814

Patent

active

050648713

ABSTRACT:
Disclosed herein is a composition comprising an isocyanate-reactive compound and a catalyst comprising a bismuth carboxylate and a zirconium carboxylate, wherein the catalyst is present in an amount sufficient to catalyze a reaction with the isocyanate-reactive compound and a polyisocyanate. Also disclosed is a process for preparing a composition, which comprises contacting an isocyanate-reactive compound with a polyisocyanate, in the presence of an effective amount of a catalyst comprising a bismuth carboxylate and a zirconium carboxylate, under reaction conditions sufficient to form a composition containing at least one urethane group.

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