Polymeric dispersants and dispersions containing same

Details Polymeric dispersants and dispersions containing same Polymeric dispersants and dispersions containing same

C - Chemistry, Metallurgy

08

G

C08G 73/14 (2006.01) C09B 67/00 (2006.01) C09D 11/02 (2006.01) C09D 17/00 (2006.01)

Patent

CA 2548214

A polyalkyl benzimide polymeric dispersant which is the reaction product of a polyisobutylene amine with 1,2,4-benzenetricarboxylic anhydride, and method of preparing same. A pigment dispersion containing at least about 45 wt.% of pigment and the polyalkyl benzimide polymeric dispersant.

Cette invention concerne un dispersant polymère de polyalkyl benzimide qui est le produit de réaction d'une amine de polyisobutylène et d'un anhydride 1,2,4-benzènetricarboxylique ainsi qu'un procédé de préparation de ce dispersant. Cette invention concerne en outre une dispersion de pigment contenant au moins environ 45 % en poids de pigment et le dispersant polymère de polyalkyl benzimide.

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