| 摘要 |
<p>PURPOSE:To improve the defoamability, print quality, and water resistance of a recording ink by incorporating a pigment, water, a glycol solvent, and a specific additive into the ink. CONSTITUTION:3-50wt.% glycol solvent, a resin, a dispersant selected from among ionic, amphoteric, and polymer surfactants and a polymer compd., 0.01-5wt.% additive comprising at least either polypropylene glycol or an ethylene glycol-propylene glycol copolymer, and a pigment are dissolved or dispersed in water.</p> |
