| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a polymer compound and a composition which improve dispersive properties of a coloring material or a solid material in an ink composition or a toner composition. <P>SOLUTION: The polymer compound has a repeating unit structure represented by general formula (1) or (2), and the composition comprises the polymer compound and a solvent or a dispersant (in the general formula, A is a 1-15C linear or branched alkylene group which may be substituted, m is an integer of 0-30, B is an alkylene group which may be a single bond or substituted, D is an aromatic ring structure, n is an integer of 1-10, R is hydrogen, an alkyl group which may be substituted or an aromatic ring structure, and M is a monovalent or polyvalent metal cation). <P>COPYRIGHT: (C)2004,JPO</p> |
