| 摘要 |
<p>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.</p> |
