| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide: an inkjet recording ink that has excellent pigment dispersibility, excellent storage stability, and can achieve high image density even on a non-smooth paper; a cartridge using the ink; an inkjet recording apparatus; and an image-formed material. <P>SOLUTION: The inkjet recording ink comprises: a pigment dispersion containing a pigment, a dispersant, and water; and a water-soluble organic solvent. The inkjet recording ink contains, as the dispersant, a styrene-maleic anhydride-acrylamide copolymer salt, and has pH of ≥8.0. <P>COPYRIGHT: (C)2012,JPO&INPIT |
