| 摘要 |
An ink composition for ink-jet printing contains a water-soluble dye having an anthraquinone skeleton and a water solubility of 50 g/L or less at 30° C. and at least one polyoxyethylene alkyl ether having an HLB of 11.4 to 18.8 and the following formula: wherein n is four to 100 and Ra is a saturated alkyl group with eight to 24 carbon atoms.
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