| 摘要 |
Surface modification of a variety of pigments, particularly quinacridone 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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