| 摘要 |
PROBLEM TO BE SOLVED: To provide a water-based ink for inkjet recording, which includes a self-dispersible pigment, has excellent redispersibility, and gives high optical density (OD value).SOLUTION: The water-based ink for inkjet recording includes a colorant, water and a water-soluble organic solvent. The colorant includes a self-dispersible pigment modified by phosphate group. The water-based ink further includes boric acids and at least one of a cationic polymer and basic amino acid. |
