| 摘要 |
An inkjet image forming method of forming an image on a recording medium includes the step of ejecting an ink composition through a nozzle hole onto the recording medium so that the image is formed on the recording medium. The ink composition contains coloring material particles and polymer particles, the polymer particles including an anionic hydrophilic functional group, and having a minimum film forming temperature of not higher than 25° C. and a ratio Mv/Mn of a volume-average particle size Mv to a number-average particle size Mn of not less than 1 and not greater than 1.5; and the nozzle hole is provided in a nozzle plate which is uniformly coated with an ink repelling film on a front surface of the nozzle plate, an inner surface of the nozzle hole and a part of a rear surface of the nozzle plate surrounding the nozzle hole, the ink repelling film having properties to repel the ink composition.
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