| 摘要 |
<p>PROBLEM TO BE SOLVED: To obtain colored fine particles excellent in dispersibility and stability of a charged state. SOLUTION: When a polymerizable monomer compsn. prepd. by dispersing a colorant in at least a polymerizable monomer is suspended in an aq. dispersive medium and polymerized to obtain colored fine particles, the colorant is dispersed in the polymerizable monomer in the presence of at least one kind of resin selected from among a rosin deriv., arom. petroleum resin, pinene resin, epoxy resin, chroman resin and styrene-acrylic resin and the rate of remaining of the colorant in the colored fine particles is regulated to >=70%.</p> |
