Process for producing carbamoyloxy (meth)acrylates and new...

Details Process for producing carbamoyloxy (meth)acrylates and new... Process for producing carbamoyloxy (meth)acrylates and new...

C - Chemistry, Metallurgy

07

C

C07C 269/06 (2006.01) C07C 271/16 (2006.01)

Patent

CA 2509160

The invention relates to a process for producing carbamoyloxy (meth)acrylates which comprises transesterification of hydroxyalkyl carbamates with an (meth)acrylate of formula CH2=CR29-COOR30 wherein R29 is hydrogen or methyl and R30 represents an alkyl group comprising from 1 to 8 carbon atoms, in the presence of an organotitanate, an organozirconate catalyst or an organotin catalyst, the carbamoyloxy (meth)acrylates thereby obtained and their use in radiation curable compositions.

La présente invention concerne un processus de production de (méth)acrylates carbamoyloxy qui comprend la transestérification de carbamates hydroxyalkyle avec un (méth)acrylate représenté par la formule CH¿2?=CR?29¿-COOR?30¿ dans laquelle R?29¿ est hydrogène ou méthyle et R?30¿ représente un groupe alkyle comprenant de 1 à 8 atomes de carbone, en présence d'un organotitanate, d'un catalyseur d'organozirconate ou d'un catalyseur d'organostannique. Cette invention concerne aussi les carbamoyloxy (méth)acrylates ainsi obtenus et leur utilisation dans des compositions durcissables par rayonnement.

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