Colored material and method for producing the colored material

摘要

A coloring material ( 11, 12 ) carrying an anionic dye ( 15 ) on porous silica ( 16 ) having mesopores ( 13 ) of a uniform size, of which at least a part of the surface is covered with a material ( 14 ) capable of binding an anionic substance. The coloring material shows vivid color and is applicable to ink, electrophoretic particles and color filters.