| 摘要 |
PROBLEM TO BE SOLVED: To provide a cyan ink composition having excellent plugging resistance, capable of being stably jetted even if being subjected to continuous printing, and having excellent long-lasting preservation stability. SOLUTION: This cyan ink composition for inkjet printing is characterized in that the ink contains at least 0.1-9 wt.% water-soluble cyan dye, 4-51 wt.% water-soluble organic solvent comprising methyl carbitol, diethylene glycol, 2,2'-thiodiethanol, ethyleneurea and triethanolamine, and 0.01-5 wt.% surfactant, and the remainder is water. |
