| abstract |
(57) [Summary] [PROBLEMS] Various recording media, especially plain paper, recycled paper, Further, an object of the present invention is to provide an ink composition capable of realizing a good image with little bleeding even on a recording medium having a glossy layer on its surface. SOLUTION: The pigment comprises at least a pigment, a water-soluble organic solvent, a surfactant, and water, wherein the pigment can be dispersed and / or dissolved in water without a dispersant, In addition, an ink composition in which the surfactant is an acetylene glycol-based surfactant is used. According to this ink composition, images with little bleeding can be realized on various recording media. |