| 摘要 |
Addition of a polymer having an ultraviolet absorbing capacity and/or a light stabilizing capability and, in addition, a film-forming property as a fine particle to an ink composition can improve the lightfastness of the ink composition. The use of an ink composition comprising a colorant, water, a water-soluble organic solvent, and a fine particle of a polymer, the polymer constituting the fine particle having a film-forming property and, at the same time, an ultraviolet absorbing capacity and/or a light stabilizing capability, can realize a lightfast printed image.
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