| abstract |
To provide an ink-jet ink which is less likely to cause faint printing or thermal shutdown. Water, an aprotic polar solvent, a colorant, and formula (1): C n F 2n + 1 CH 2 CH 2 O (CH 2 CH 2 O) m H (1) [Wherein n represents a number from 2 to 16, and m represents a number from 0 to 15. ] And a proportion of the content of the aprotic polar solvent is 40% by mass or more and 75% by mass or less of the total amount. [Selection figure] None |