An image forming method comprises: applying a treatment liquid, which contains an organic acidic compound represented by the following general formula (I), a water-soluble polymer compound, and water, on a recording medium; and applying an ink composition, which contains a pigment, a pyrrolidone derivative, a compound represented by the following general formula (II), and water, on a treatment liquid-applied surface of the recording medium. In the general formula (I), n represents an integer of 2 or greater and m represents an integer of 3 or greater. In the general formula (II), l, m, and n represent an integer of l or greater, the relation l + m + n = 3 to 15 is satisfied, and AO represents ethyleneoxy or propyleneoxy.
CnH2n+2-m (COOH)m General Formula (I)
一种图像形成方法包括:在记录介质上涂敷一种处理液,该处理液含有一种由下式(I)表示的有机酸化合物、一种
水溶性聚合物化合物和
水;以及在记录介质的涂敷处理液表面上涂敷一种油墨组合物,该油墨组合物含有一种
颜料、一种
吡咯烷酮衍
生物、一种由下式(II)表示的化合物和
水。在通式(I)中,n 代表 2 或更大的整数,m 代表 3 或更大的整数。在通式(II)中,l、m 和 n 代表 l 或更大的整数,满足 l + m + n = 3 至 15 的关系,AO 代表
乙烯氧基或
丙烯氧基。
CnH2n+2-m (COOH)m 通式 (I)