| abstract |
PROBLEM TO BE SOLVED: To disperse pigment particles more finely in a solid coloring compound for producing a recording liquid for an ink jet printer comprising a pigment and a resin having an acid value, and to adhere the compound to a roll during kneading. Provided is a method for producing a solid coloring compound with improved ease, or a solid coloring compound produced by the production method. SOLUTION: When kneading a solid coloring compound, a glycol ether, more preferably propylene glycol monopropyl ether, is added to carry out kneading. |