| 摘要 |
PURPOSE:To obtain the ink compsn. which contains a dye in a high concn., causes neither thickening nor precipitation of crystals even if stored in a long time, and has been improved in fastness, facing resistance, and reproducibility of dyeing by incorporating specific reactive dye into the compsn. CONSTITUTION:The ink compsn. is prepd. by dissolving, in water, 1-50wt.% hydrophilic org. solvent, 1-40wt.% reactive dye of the formula (wherein M is Na and/or K) contg. 1wt.% or lower inorg. salt, and if necessary, 1-30wt.% urea and/or epsilon-caprolactam as a dissolution aid. |
