Improvement of a method of manufacturing comb polymers by...

Details Improvement of a method of manufacturing comb polymers by... Improvement of a method of manufacturing comb polymers by...

C - Chemistry, Metallurgy

08

F

C08F 8/32 (2006.01) A61K 8/00 (2006.01) C04B 24/24 (2006.01) C04B 24/26 (2006.01) C08F 8/14 (2006.01) C08F 20/28 (2006.01) C08F 20/58 (2006.01) C08G 81/02 (2006.01) C09K 8/00 (2006.01) C11D 1/00 (2006.01) D21H 21/00 (2006.01)

Patent

CA 2710580

The invention lies in the use of an antioxidant during the reaction for functionalization of a (meth)acrylic polymer in the dry state with polyoxyalkyl side groups, so as to improve the degree of grafting of the final polymer. The resulting polymers constitute another subject matter of the invention, as do the aqueous formulations which contain them.

L'invention reside dans Ia mise en ceuvre d'un antioxydant au cours de Ia reaction de fonctionnalisation d'un polymere (meth)acrylique a l'etat sec par des groupements lateraux polyoxyalkyles, de maniere a ameliorer Ie taux de greffage du polymere final. Les polymeres obtenus constituent un autre objet de l'invention, de meme que les formulations aqueuses qui les contiennent.

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