Surface modified pigment compositions

Details Surface modified pigment compositions Surface modified pigment compositions

C - Chemistry, Metallurgy

09

B

6/217, 400/7423

C09B 67/20 (2006.01) C09B 48/00 (2006.01) C09B 57/00 (2006.01) C09B 67/08 (2006.01) C09B 67/22 (2006.01)

Patent

CA 1309207

Surface modified pigment compositions Abstract of the disclosure Surface modification of a variety of pigments, particularly quina- cridone and pyrrolopyrrole pigments, and the pigments resulting therefrom whereby the pigment is treated with a solvent-free, basic dispersant selected from the group consisting of nitrogen-containing copolymers of the polyurethane series and with a dispersion- improving derivative of the primary pigment, and the resulting composition exhibiting enhanced performance in automotive and other finish systems.

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