| 摘要 |
PURPOSE: Provided is a water-soluble color ink composition for an ink-jet printer, which dose not show the spread of ink and the blocking of nozzles and has high resolution and uniform color density. CONSTITUTION: The color ink composition contains 0.1-10wt%(based on the total weight of the ink composition) of at least one water-soluble dye, 5-40wt% of a cosolvent represented by the formula 1, and 0.1-3wt% of a nonionic surfactant represented by the formula 2, wherein R is methyl, ethyl, or hydroxy, and m, n, x, and y are an integer. |
