| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an inkjet ink that is excellent in scratch resistance and marker resistance of an image, is excellent in ink ejection stability, and can also suppress the image deflection caused by the face wetting. <P>SOLUTION: The inkjet ink includes: a polyurethane polymer having units derived from a polyisocyanate, a polyol, and a diol having an acid group; and a pigment. In the inkjet ink, an acid value of the polyurethane polymer is 20 mg-KOH/g or more and 100 mg-KOH/g or lower of units derived from a compound containing an allophanate bond and a polyethylene glycol group. <P>COPYRIGHT: (C)2012,JPO&INPIT |
