Pigment compositions with modified atrp copolymer dispersants

Details Pigment compositions with modified atrp copolymer dispersants Pigment compositions with modified atrp copolymer dispersants

C - Chemistry, Metallurgy

08

F

C08F 293/00 (2006.01) C08F 2/38 (2006.01) C08F 4/40 (2006.01) C08K 5/00 (2006.01) C08L 53/00 (2006.01) C09D 11/00 (2006.01) C09D 11/02 (2006.01) C09D 153/00 (2006.01)

Patent

CA 2465291

The present invention relates to a composition containing modified block copolymer dispersants and dispersible inorganic or organic pigments. The block copolymers are prepared by atom transfer radical polymerisation (ATRP) and modified with a salt forming group. The pigment composition is useful for preparing coating compositions, prints, images, inks or lacquers and other disperse systems.

L'invention concerne une composition contenant des dispersants de copolymères greffés modifiés et des pigments inorganiques ou organiques dispersibles. Les copolymères greffés sont obtenus par polymérisation radicalaire par transfert d'atomes (ATRP) et sont modifiés avec un groupe formant du sel. La composition pigmentaire s'utilise pour préparer des compositions de revêtement, des impressions, des images, des encres ou des vernis-laques et d'autres systèmes dispersés.

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