INK COMPOSITION FOR INKJET

摘要

PROBLEM TO BE SOLVED: To provide an ink hardly causing a plugging in addition to bleeding resistance and water resistance, and hardly causing the transfer of a part of an attached image to the other member superposed on the image even if the recorded members having an image adhered thereto are stacked and preserved after adhering the image thereto. SOLUTION: This ink composition for inkjet having polymer fine particles dispersed in aqueous medium and containing oil-soluble dyestuffs is characterized in that the polymer fine particles are polymerized in the aqueous medium in the presence of oil-soluble dyestuffs, and have 1-40 wt.% active methylene group.