| abstract |
The present invention provides an ink capable of recording an image having excellent color developability and excellent scratch resistance before and after storage at a high temperature, an ink cartridge using the ink, and an image recording method. An ink containing self-dispersing pigments, resin particles formed from polyester-type polyurethane, a water-soluble organic solvent, a surfactant, and water, an ink cartridge using the ink, and an image recording method. Self-dispersing pigments are those in which phosphonic acid groups are bonded directly or via other atomic groups to the pigment particle surface. [Selection figure] None |