Organotin catalysts for use in polyurethane systems

Details Organotin catalysts for use in polyurethane systems Organotin catalysts for use in polyurethane systems

C - Chemistry, Metallurgy

08

G

402/163

C08G 18/24 (2006.01) B01J 31/12 (2006.01) C07F 7/22 (2006.01) C08G 18/64 (2006.01) C09D 5/44 (2006.01)

Patent

CA 2024596

Useful as catalysts for the reaction of a polyisocyanate or a partially blocked polyisocyanate with a hydroxy-containing compound are organotins of the formula R2Sn?X-R1-OH]2 where R is a C1-C8 alkyl or an aryl group, R1 is a C2-C9 divalent hydrocarbyl group which may contain a hydroxyl substituent, and X is a linking group which may be -5- or -O2C-.

es organoétains de formule R2Sn?X-R1-OH]2, où R est un groupement alkyle ou aryle en C1-C8, R1 est un groupement hydrocarbylique divalent en C2-C9 pouvant renfermer un substituant hydroxyle et X est un groupement de liaison pouvant être -5- ou -O2C-, sont utiles comme catalyseurs pour la réaction d'un polyisocyanate ou d'un polyisocyanate partiellement séquencé avec un composé hydroxylé.

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