Polymeric diorganotin catalysts of use in polyurethane systems

Details Polymeric diorganotin catalysts of use in polyurethane systems Polymeric diorganotin catalysts of use in polyurethane systems

C - Chemistry, Metallurgy

07

F

402/152, 402/163

C07F 7/22 (2006.01) C08G 18/24 (2006.01) C08G 18/58 (2006.01) C08G 18/64 (2006.01) C08G 79/12 (2006.01) C09D 5/44 (2006.01)

Patent

CA 2027668

ABSTRACT Useful as catalysts for the reaction of a polyisocyanate or a partially blocked polyisocyanate with a hydroxy-containing compound are organotin compositions obtained by reacting a diorganotin oxide of the formula R2SnO or a diorganotin dichloride of the formula R2SnC12 with a compound of the formula HS-CH2CH(OH)CH2XH where R is a C1-C8 alkyl or an aryl group and X is -O- or -S-. Also disclosed are cationic electrodepositable (CED) compositions containing such catalysts.

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