AQUEOUS PIGMENT DISPERSION AND PROCESS FOR PRODUCTION THEREOF, AND INK FOR INKJET RECORDING

摘要

Provided are: a pigment dispersion of an yellow azo pigment, which exhibits a good print density and good gloss when used as an ink for inkjet recording; and a dispersion method. An aqueous pigment dispersion comprising a coloring agent, a dispersant and water, and characterized in that the coloring agent comprises (1) an azo pigment represented by formula (1) or (2) which has characteristic X-ray diffraction peaks at specific positions in CuKa characteristic X-ray diffraction.