| 摘要 |
Provided is a method for producing a fine organic pigment, which is capable of efficiently miniaturizing a starting material organic pigment and has excellent productivity. The present invention relates to a method for producing a fine organic pigment, which comprises a step for kneading a mixture that is obtained by mixing a starting material organic pigment, a water-soluble inorganic salt, a water-soluble organic solvent and a resin, and wherein the resin is a copolymer that is obtained by copolymerizing (A) an ethylenically unsaturated monomer having an aromatic ring, (B) an ethylenically unsaturated monomer having a carboxy group and (C) an ethylenically unsaturated monomer having a polyethylene oxide chain and an average number of moles of added ethylene oxide of from 1 to 50 (inclusive). |
