Surface modified pigment compositions

Details Surface modified pigment compositions Surface modified pigment compositions

1991-02-20

1992-09-08

Morris, Theodore

Compositions: coating or plastic

Materials or ingredients

Pigment, filler, or aggregate compositions, e.g., stone,...

106495, 106496, 106497, 106498, C09B 6708, C09B 6720, C09B 6722

Patent

active

051455242

ABSTRACT:
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.

REFERENCES:
patent: 4055439 (1977-10-01), Babler et al.
CA 107 (10): 135827y, Hirano, 1987.

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