| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a block polymer compound in which a color material can be dispersed well into a solvent, and to provide an ink composition containing it. <P>SOLUTION: The block polymer compound has a repetition unit structure represented by a general formula, and the ink composition contains the block polymer compound, a solvent or a dispersion medium, and a color material. In the formula, A represents a straight chain or branch alkylene group of 1C-15C which may be substituted, m is an integer of 0-30, B represents a single bond or alkylene which may be substituted, D represents an aromatic ring structure, n is an integer of 1-10, and R represents a hydrogen atom, an alkyl which may be substituted or an aromatic ring structure. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
