aqueous ink, method for ink jet cartridge, where the winning, aufzeichnungseinheit and tintenstrahlaufzeichnungsgeru00e4t

摘要

PROBLEM TO BE SOLVED: To provide an aqueous ink in the case of using the aqueous ink containing a resin having hydroxy group and a pigment, excellent in scratch resistance and also marker resistance of an image, and further suppressing the oozing out phenomenon of the resin and also the deterioration of ejection characteristics even on preserving for a long period.;SOLUTION: This aqueous ink containing the resin having hydroxy group, the pigment and a water soluble organic solvent is characterized in that the water soluble organic solvent contains a polyhydric alcohol having ≤0.50 ratio of the number of hydroxy groups/the number of a carbon atoms in its molecule.;COPYRIGHT: (C)2007,JPO&INPIT