Graft polymer comprising sidechains containing cyclic...

Details Graft polymer comprising sidechains containing cyclic... Graft polymer comprising sidechains containing cyclic...

C - Chemistry, Metallurgy

08

F

C08F 283/06 (2006.01) C08F 226/06 (2006.01) C08F 291/00 (2006.01) C11D 3/37 (2006.01)

Patent

CA 2467057

Graft polymer comprising (A) a polymeric graft skeleton, with no monoethylenic unsaturated units and (B) polymer sidechains formed by polymerisation of a cyclic N-vinylamide of general formula (I), where R = C1-C5 alkyl and Rl = H or C1-C4 alkyl, wherein the proportion of the sidechains (B) comprises >= 60 wt. % of the total polymer.

La présente invention concerne des polymères greffés présentant (A) une base de greffage polymère, qui ne présente aucune unité monoéthyléniquement insaturée, et (B) des chaînes latérales polymères, formées par polymérisation d'un N-vinylamide cyclique de formule générale (I), dans laquelle R représente alkyle C¿1?-C¿5? et R?1¿ représente hydrogène ou alkyle C¿1?-C¿4?. La proportion de chaînes latérales (B) par rapport à l'ensemble du polymère est >= 60 % en poids.

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