Spherical fine particulate pigment and process for preparing the

Details Spherical fine particulate pigment and process for preparing the Spherical fine particulate pigment and process for preparing the

1987-12-16

1989-08-29

Willis, Prince E.

Compositions: coating or plastic

Materials or ingredients

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

106499, 106502, 106504, C09B 6300, C08K 500

Patent

active

048613797

ABSTRACT:
A spherical fine particulate pigment in which pigment particles have a diameter of not more than 0.5 .mu., and the surface thereof is treated by a surface active agent, is provided by reacting a water soluble dye and an insolubilizing agent therefor in a water-in-oil type emulsion aqueous phase which is prepared by using a nonionic surface active agent. The pigment has an excellent dispersing ability and outstanding tinting strength. It has a wide variety of uses in the field of cosmetics, paints, inks, or the like.

REFERENCES:
patent: 4444592 (1984-04-01), Ludwig
patent: 4523953 (1985-06-01), Paffoni et al.
patent: 4576649 (1986-03-01), Oliver et al.

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