| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a coloring matter particle dispersion which is improved in compatibility with a water-soluble organic solvent and in stability of an inkjet printing ink composition and moreover to provide an ink composition to give a printed image which is to be greatly improved in the printed-image stability. <P>SOLUTION: The inkjet printing ink comprises water, a humectant and a polymer/coloring matter particle, with the above polymer/coloring matter particle including a polymer phase and the polymer phase which contains a water-insoluble coloring matter and with the above particle having relevance to the auxiliary stabilizer which is a water-dispersible polymeric material. <P>COPYRIGHT: (C)2004,JPO |
