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

To provide an ink for inkjet recording containing water, water-soluble organic solvent, water-dispersible resin, fluorochemical surfactant or derivative thereof, and coloring agent containing pigment, wherein the ink has a surface tension of 20-35 mN/n and viscosity of 5 mPa·s or more at 25°C, total amount of the water-dispersible resin and the coloring agent in the ink is 5-40% by mass, and mass ratio A/B of the water-dispersible resin A to the coloring agent B is 0.5-4, wherein the ink is applied for a recording medium for inkjet recording containing a support containing cellulose pulp, and one or more barrier layers disposed on at least one face of the support, and wherein the barrier layer contains 30% by mass or more of inorganic pigment having refractive index of 1.5 or more, excluding aluminum hydrate, and 10% by mass or more of inorganic pigment having a refractive index of less than 1.5.