abstract |
An inkjet ink having excellent image density and storage stability of plain paper is provided. The copolymer includes water, a water-soluble organic solvent, a pigment, and a copolymer. The copolymer includes a structural unit represented by the general formula (1), diacetone (meth) acrylamide, and (meth) acrylic acid. Inkjet ink with oleyl. [Selection figure] None |