| 摘要 |
PURPOSE:To provide the subject novel colorant composed of a mixture of a specified compound and a phthalocyanine pigment, free from lowering of degree of pigment even when coloring a thermoplastic resin at a high temperature and excellent in migration resistance. CONSTITUTION:An objective colorant composed of a mixture of a specified compound represented by the formula (CuPc is copper phthalocyanine residue; R1-R4 are H or halogen, provided that two or more of R1-R4 are halogen; n is 1-4) and a copper phthalocyanine pigment. In addition, the above mentioned compound of the formula is mixed, preferably in an amount of 0.5-50wt.%. |
