摘要 |
PROBLEM TO BE SOLVED: To provide an ink for inkjet, which is excellent in storage stability and discharge stability and hardly causes curling when printed on paper.SOLUTION: An ink for inkjet includes a pigment, water, a dispersing agent represented by structural formula (1) and an water soluble organic solvent selected from 3-ethyl-3-hydroxymethyloxetane, isopropylidene glycerol or a specific amide compound. In the formula (1), M is any of Li, Na, K, ammonium, and methanol amine, p, q and r are each a natural number of 5 to 50, further, Rhas a specific polysiloxane structure, Ris any of hydroxyl group, methoxy group, and ethoxy group, Ris any of methyl group, ethyl group, hexyl group, hydroxymethyl group and hydroxyethyl group, and m is a natural number of 1 to 10. |