| 摘要 |
PROBLEM TO BE SOLVED: To provide an ink composition having excellent storage stability of a cationic dye and enabling stable inkjet printing. SOLUTION: The inkjet printing ink composition contains a cationic dye and an aqueous medium, and it contains 0.05-10 mass % of a dissolution stabilizer of A. The dissolution stabilizer (A) comprises compounds expressed by the general formula I (wherein, X is a halogen or an alkyl; and R' is H or methyl), and it is constituted with (1) 10-90 mass % of a compound whose n is 1 or 2, or a mixture of a compound whose n is 1 and a compound whose n is 2, and (2) 90-10 mass % of a compound whose n is 5 or 6, or a mixture of a compound whose n is 5 and a compound whose n is 6). |
