INK FOR INKJET RECORDING, INK SET FOR INKJET RECORDING, INK MEDIA SET FOR INKJET RECORDING, INK CARTRIDGE, INKJET RECORDING METHOD, AND INKJET RECORDING APPARATUS

摘要

The invention discloses an ink for inkjet recording, comprising: water; a water-soluble organic solvent, such as herein described; a polyurethane resin emulsion; a fluorochemical surfactant or derivative thereof, such as herein described; and a coloring agent containing a pigment, wherein the ink for inkjet recording has a surface tension of 20 mN/m to 35 mN/m at 25°C, and a viscosity of 5 mPa•s or more at 25°C, a total amount of the polyurethane resin emulsion and the coloring agent in the ink for inkjet recording is 5% by mass to 40% by mass, and a mass ratio A/B of the polyurethane resin emulsion A to the coloring agent B is 0.5 to 4. The invention also discloses an ink set for inkjet recording, an ink media set for inkjet recording, an ink cartridge, an inkjet recording method and an inkjet recording apparatus as described in the specification.