Curable coating compositions containing carbamate additives

Details Curable coating compositions containing carbamate additives Curable coating compositions containing carbamate additives

C - Chemistry, Metallurgy

09

D

C09D 201/02 (2006.01) C08G 71/00 (2006.01) C09D 133/06 (2006.01) C08L 61/20 (2006.01)

Patent

CA 2227961

Curable coating compositions are described comprising a) a polymer resin comprising active hydrogen-containing functional groups, b) a curing agent having groups that are reactive with said functional groups on (a), and c) a compound comprising at least one carbamate group that is the reaction product of: 1) a hydroxyl group that is the result of a ring-opening reaction between an epoxy group and an organic acid group, and 2) cyanic acid or a compound comprising a carbamate group.

Cette invention porte sur des compositions de revêtement durcissables constituées a) d'une résine de polymère comprenant des groupes fonctionnels actifs contenant de l'hydrogène, b) d'un agent de polymérisation ayant des groupes réactifs auxdits groupes fonctionnels, et c) d'un composé comprenant au minimum un groupe carbamate issu de la réaction 1) d'un groupe hydroxyle résultant d'une réaction d'ouverture de cycle entre un groupe époxyde et un groupe acide organique, et 2) d'un acide cyanique ou d'un composé contenant un groupe carbamate.

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