| 摘要 |
PROBLEM TO BE SOLVED: To provide an image forming method that obtains an image having much better rubfastness than before and also has aptitude to a pressure bonded form (a pressure bonded postcard etc.) when forming an image fast on a recording medium such as form paper.SOLUTION: An image forming method include an ink imparting step of forming an image by imparting an ink composition, including a pigment, a compound represented by structural formula (1), a compound represented by structural formula (2) and having a number average molecular weight of 2,000-30,000, and water, to a recording medium conveyed in a sub-scanning direction at a conveying speed of 80 m/min or higher (1, m, n: integers (1+m+n=3 to 15) equal to or larger than 1, A0: ethylene oxy, propylene oxy, PO: propylene oxy, EO: ethylene oxy, and p, q: integers). |
