COLORANT FOR PLASTIC AND USE THEREOF

摘要

PROBLEM TO BE SOLVED: To obtain a colorant which reduces warpage and deformation of a plastic molding without losing excellent light resistance, heat resistance, migration resistance, etc., of an organic pigment. SOLUTION: The colorant comprises a phthalocyanine-based organic pigment and an organic coloring matter derivative represented by the general formula (Xs are each H, Cl, Br or Q; at least one of Xs is Q; Q is an SR1, an OR1or an NR1R2; R1is a 12-30C alkyl group; R2is a hydrogen atom or a 2-30C alkyl group). COPYRIGHT: (C)2004,JPO