| abstract |
PROBLEM TO BE SOLVED: To provide a process for producing an improved mica-containing pigment composition having an ability to adjust a particle size range, gloss, and other desired properties, and a mica-containing pigment composition. A process for producing a mica-containing pigment composition containing spherical pigment particles, the step of providing an amorphous polyester resin, a polymer stabilizer containing a water-soluble polymer, and mica particles, and the polyester. The step of dissolving the resin and the polymer stabilizer together with the mica particles in a water-miscible organic solvent to form a first fluid mixture containing the mica particles, and the polar solvent at a predetermined rate. A process comprising the step of adding to the fluid mixture of 1 and thereby forming a second fluid mixture containing the precipitated pigment particles, and the step of collecting the precipitated pigment particles. [Selection diagram] Fig. 1 |