Patent ID: 8080291
Filing Date: 2011-12-20
Classification: B41M

Abstract:
1. An ink jet recording medium comprising a gas-permeable substrate, and an ink receiving layer and a surface layer provided in that order on the gas-permeable substrate, wherein the surface layer is formed through the following steps (1) and (2): (1) a step of applying a coating liquid comprising a first inorganic pigment and a binder onto the ink receiving layer, and (2) a step of applying a coagulating liquid comprising a coagulant and a second inorganic pigment having a refractive index higher by 0.30 or more than that of the first inorganic pigment contained in the coating liquid and an average particle size of 100 nm or less onto the coating liquid applied to the ink receiving layer to subject the coating liquid to a coagulating treatment followed by pressing a coating layer including the coating liquid and the coagulating liquid against a heated casting drum while the coating layer is in a wet condition to subject the coating layer to a cast treatment.