ACTIVE ENERGY RAY-CURABLE INKJET INK COMPOSITION

摘要

PROBLEM TO BE SOLVED: To provide ink which is excellent in ejection properties for a long period as compared to conventional inks and achieves high color reproducibility and high productivity.SOLUTION: There are provided active energy ray-curable inkjet ink containing an isoindoline pigment which is a pigment precursor in the pigment and in which the concentration of the by-product is 5% or less and a method for producing the active energy ray-curable inkjet ink in which after synthesizing the pigment, the ink contains an isoindoline pigment washed with a solvent.