POLYIMIDE FILM INCORPORATING COLORED POLYIMIDE MATTING POWDER AND MANUFACTURE THEREOF

摘要

A colored extinction power comprises particles including polyimide obtained by making diamine monomers react with dianhydride monomers at the substantially same molar ratio; a pigment containing polyimide, wherein a portion of the pigment is located on outer surfaces of the particles. Additionally, a colored polyimide film comprises colored extinction powder and expresses low gloss, low transparency, and excellent insulation.