| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a water-based pigment dispersion for inkjet recording water-based ink with which color recording images excellent in color development property, light resistance, and ejection durability is obtained, and to provide inkjet recording water-based ink, and a water-based ink set comprising the water-based ink and a polyvalent metal salt solution. <P>SOLUTION: The water-based pigment dispersion for inkjet recording water-based ink and inkjet recording water-based ink are characterized in that the inkjet recording water-based ink includes an organic pigment (A) and an anionic-group-containing organic polymer compound (B) in a water-based medium (C), wherein, as the water-based pigment dispersion, a water-based pigment dispersion in which the organic pigment (A) is a red pigment composed of a di-substituted quinacridone and a water-based pigment dispersion in which the organic pigment (A) is C. I. Pigment Red 269 are used in combination. The inkjet recording water-based ink set includes a polyvalent metal salt solution and the above described inkjet recording water-based ink. <P>COPYRIGHT: (C)2011,JPO&INPIT |
