abstract |
[PROBLEMS] To provide a pigment dispersant that effectively prevents aggregation of pigments and realizes good dispersion of the pigment, a pigment dispersion composition containing the pigment dispersant, and a colored photosensitive composition. . A pigment dispersant characterized by being a graft copolymer having a repeating unit containing at least a partial skeleton of an organic dye and / or a heterocyclic ring in the main chain. |