Surface modified pigment compositions

Details Surface modified pigment compositions Surface modified pigment compositions

C - Chemistry, Metallurgy

08

L

C08L 29/10 (2006.01) C09B 67/08 (2006.01) C09B 67/22 (2006.01) C09D 129/10 (2006.01)

Patent

CA 2061415

Surface modification of a variety of pigments, particularly quinacridone pigments, and the pigments resulting therefrom whereby the pigment is treated with a poly(vinyl lower alkyl ether) and, optionally, with a dispersion-improving derivative of the primary pigment resulting in compositions exhibiting enhanced performance in automotive and other finish systems. The surface treatment also improves flow properties of the pigment in the aqueous phase of processing leading to higher solids content for direct application in waterborne systems.

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