| 摘要 |
PURPOSE:To provide the titled ink which has excellent chroma and color density and does not cause clogging of a nozzle of an ink jet device, containing a specificed compound and water. CONSTITUTION:1-50pts.wt. compd. of the formula (wherein R1 is a 1-4C lower alkyl; R2-4 are each H, a 1-4C lower alkyl with the proviso that at least one of R2-4 is lower alkyl; n is 1-3), 0.2-15pts.wt. water-soluble dye selected from a direct dye, a basic dye, a reactive dye and an acid dye and, if necessary, an oxygen absorber and a surface tension modifier are dissolved in water. |
