| abstract |
【Task】 To provide a water-based inkjet pigment ink that is excellent in printability on general printing paper, particularly coated paper, art paper, and other highly hydrophobic paper, and that is excellent in ejection stability from ink jet nozzles and storage stability. [Solution] In an inkjet pigment ink comprising a pigment, a water-soluble solvent, water, and a pigment dispersion resin, the pigment is rosin-treated, and the pigment dispersion resin is copolymerized with the following monomer A: An ink-jet pigment ink, which is a copolymer (copolymer) included in the composition. Monomer A: (Meth) acrylate ester of alkyl group having 10 to 18 carbon atoms [Selection] None |