| 摘要 |
PROBLEM TO BE SOLVED: To obtain an oligomer material excellent in the coloring concentration, transparency, light resistance, weather (environmental gas) resistance, bleeding resistance and safety as coloring of a plastics member, electrophotographic toner, ink-jet recording, color filter or cosmetic. SOLUTION: This material has a recurring unit represented by formula (I) [wherein D is a color residue, ultraviolet-absorbing residue or antioxidant residue; X is a direct bond or a linking group; l is 0 or 1] and/or formula (II) [wherein A is an anionic color residue, ultraviolet-absorbing residue or antioxidant residue]. |
