| abstract |
PROBLEM TO BE SOLVED: To provide an ink capable of obtaining an image having a high optical density and sufficiently suppressing stripe-like unevenness. SOLUTION: An ink containing a pigment, polyurethane resin particles, a surfactant, a water-soluble organic solvent, and water, wherein the surfactant comprises a fluorine-based surfactant represented by the general formula (1). And the water-soluble organic solvent is at least one water-soluble organic solvent selected from a specific group. [Selection figure] None |