tintenzusammensetzung containing a water-soluble resin and tiintensortiment kationisches

摘要

Disclosed is an ink composition which has good storage stability and, in addition, can yield prints having good waterfastness and lightfastness. The ink composition comprises an alkali-soluble colorant, a water-soluble organic solvent, water, and a cationic water-soluble resin comprising units (a) and units (b1) or units (b2): CHEM wherein R1 and R2, which may be the same or different, each represent a C1-5 alkyl group; R3 represents a hydrogen atom or a C1-5 alkyl group; and m and n are each 0, 1, or 2.