INK, INK-IMPARTING METHOD USING THE SAME AND DEVICE

摘要

PROBLEM TO BE SOLVED: To provide ink which gives a printed matter having high image fastness such as water resistance or light resistance and is excellent in color developing property and preservation stability, and an ink-imparting device using the same.

SOLUTION: The ink comprises at least a coloring agent, comprising a composite particle of a coloring material with an inorganic fine particle, a polymer dispersant and a solvent, where the polymer dispersant comprises a block copolymer having a polyvinyl ether structure containing a hydrophilic segment and a hydrophobic segment. The recording device for inkjet is equipped with an ink-imparting means for imparting a medium with the ink by applying energy to the ink and a driving means for driving the ink-imparting means.

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