| 摘要 |
PROBLEM TO BE SOLVED: To provide a technology capable of smoothly and effectively making a pigment out of a soluble coloring agent precursor existing in a solid resin, etc. SOLUTION: This composition for coloring comprises a soluble coloring agent precursor (i) having at least an NH group and whose hydrogen atom is substituted with an alkoxycarbonyl group represented by general formula (1), wherein R is a tert-butyl group, a tert-amyl, a 2-phenyl-2-propyl group, or a diphenylmethyl group, acid multiplication agent (ii) which generates a new acid by the action of an acid, and an acid generation agent (ii) which generates an acid by the action of an active energy ray or heat. |
