| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an aqueous pigment dispersion for a water-based ink for inkjet printers giving a high-density image and excellent quick-drying property, fixability, water-resistance, etc., without lowering the storage stability. <P>SOLUTION: The aqueous pigment dispersion for a water-based ink for inkjet printers is composed of a pigment, water and a water-based urethane resin (I) containing (A) a compound having a salt group, (B) a rosin-skeleton polyol and/or a polyol having an oil or fatty acid-derived molecule in the molecule and (C) an aliphatic or alicyclic diisocyanate as essential constituent components. <P>COPYRIGHT: (C)2009,JPO&INPIT |
