| 摘要 |
<p>Provided is an ink comprising at least a dye and a liquid medium, the dye being represented by the general formula <CHEM> wherein Y is a linear or branched alkyl group having 5 to 12 carbons; Z is a benzoyl group, a radical of the formula -SO2C6H5 or -SO2C6H4-CH3, and M is an alkali metal or ammonium. <IMAGE></p> |
