Abstract: To provide a recording medium in which the ink absorbability and the color development properties of an image to be obtained are high and in which cracking in an ink receiving layer is sufficiently suppressed. A recording medium contains a base material and an ink receiving layer containing inorganic particles and a binder, in which the inorganic particles have an organosilicon structure having a quaternary ammonium group, an imino group or a substituted imino group, and a hydroxyl group.

Abstract: An aqueous ink for ink jet, the aqueous ink including a pigment and a resin for dispersing the pigment. The pigment is impregnated with a compound having a structure in which at least two structures each represented by General Formula (1) are bonded by a glycoside bond.

Abstract: A recording medium having a base and an ink receiving layer containing an inorganic particle and at least one compound selected from a compound represented by the following formula (I) and a compound represented by the following formula (II):

Abstract: To provide a recording medium in which the ink absorbability and the color development properties of an image to be obtained are high and in which cracking in an ink receiving layer is sufficiently suppressed. A recording medium contains a base material and an ink receiving layer containing inorganic particles and a binder, in which the inorganic particles have an organosilicon structure having a quaternary ammonium group, an imino group or a substituted imino group, and a hydroxyl group.

Abstract: An aqueous ink for ink jet, the aqueous ink including a pigment and a resin for dispersing the pigment. The pigment is impregnated with a compound having a structure in which at least two structures each represented by General Formula (1) are bonded by a glycoside bond.

Abstract: A recording medium includes a substrate, a first ink receiving layer and a second ink receiving layer in that order. The first ink receiving layer contains at least one inorganic pigment selected from the group consisting of alumina, hydrated alumina and fumed silica, polyvinyl alcohol, and a boric acid compound. The second ink receiving layer contains fumed silica, particles having an average particle size in a specific range, polyvinyl alcohol, and a boric acid compound. The boric acid compound content in the first ink receiving layer is in a predetermined range, and the boric acid compound content in the second ink receiving layer is in a predetermined range. The particle content in the second ink receiving layer is in a predetermined range.

Abstract: A recording medium that includes a base material and an ink-receiving layer. The ink-receiving layer includes an inorganic particle including a structure represented by General Formula (1) and a binder.

Abstract: A recording medium that includes a base material and an ink-receiving layer. The ink-receiving layer includes an inorganic particle including a structure represented by General Formula (1) and a structure represented by General Formula (2) and a binder.

Abstract: A recording medium including a first resin layer, a porous undercoating layer and a first ink-receiving layer provided in this order on one surface of a base and including a second resin layer and a second ink-receiving layer provided in this order on the other surface of the base, wherein 60° specular glossinesses of a surface of the first resin layer closer to the first ink-receiving layer and a surface of the second resin layer closer to the second ink-receiving layer are each 65% or more, and the porous undercoating layer has a thickness of 3 ?m or less.

Abstract: A recording medium has a base and an ink receiving layer, in which the ink receiving layer contains colloidal silica, a zirconium compound, an ammonium salt, and hydroxycarboxylic acid and 90% or more of the colloidal silica contained in the ink receiving layer exists in a region of 0 nm or more and 300 nm or less in the depth direction from the outermost surface of the recording medium.

Abstract: A recording medium having a base and an ink receiving layer containing an inorganic particle and at least one compound selected from a compound represented by the following formula (I) and a compound represented by the following formula (II):

Abstract: A recording medium includes a support and an ink-receiving layer. The ink-receiving layer contains alumina particles, silica particles and a binder. A composition analysis of the recording medium performed by X-ray photoelectron spectroscopy while etching is performed from a surface side to a support side provides a ratio of the amount of Si element to the total amount of Al element and Si element at an etching time of 0 minutes of 10 atomic percent or more and 90 atomic percent or less and a ratio of the amount of Si element to the total amount of Al element and Si element at an etching time of 5 minutes of 50 atomic percent or more.

Abstract: A recording medium includes a substrate, a first ink receiving layer and a second ink receiving layer in that order. The first ink receiving layer contains at least one inorganic pigment selected from the group consisting of alumina, hydrated alumina and fumed silica, polyvinyl alcohol, and a boric acid compound. The second ink receiving layer contains fumed silica, particles having an average particle size in a specific range, polyvinyl alcohol, and a boric acid compound. The boric acid compound content in the first ink receiving layer is in a predetermined range, and the boric acid compound content in the second ink receiving layer is in a predetermined range. The particle content in the second ink receiving layer is in a predetermined range.

Abstract: A recording medium that includes a base material and an ink-receiving layer. The ink-receiving layer includes an inorganic particle including a structure represented by General Formula (1) and a structure represented by General Formula (2) and a binder.

Abstract: A recording medium that includes a base material and an ink-receiving layer. The ink-receiving layer includes an inorganic particle including a structure represented by General Formula (1) and a binder.

Abstract: A recording medium includes a base material and an ink-receiving layer. The ink-receiving layer contains inorganic particles, a binder, and a compound A. The compound A contains a unit derived from a compound represented by General Formula (1) and a unit derived from at least one compound selected from compounds represented by General Formula (2) and compounds represented by General Formula (3).

Abstract: A recording medium including a first resin layer, a porous undercoating layer and a first ink-receiving layer provided in this order on one surface of a base and including a second resin layer and a second ink-receiving layer provided in this order on the other surface of the base, wherein 60° specular glossinesses of a surface of the first resin layer closer to the first ink-receiving layer and a surface of the second resin layer closer to the second ink-receiving layer are each 65% or more, and the porous undercoating layer has a thickness of 3 ?m or less.

Abstract: A recording medium has a base, a first ink receiving layer, and a second ink receiving layer that is the outermost layer in the stated order, in which the first ink receiving layer is a layer adjacent to the second ink receiving layer, the first ink receiving layer contains fumed silica, the second ink receiving layer contains colloidal silica and resin particles, and the area in which the colloidal silica exists in the recording medium surface is 10% or more and 70% or less.

Abstract: A recording medium includes a base and an ink receiving layer. The ink receiving layer contains inorganic particles. The surface of the recording medium has an arithmetic mean roughness of 0.8 ?m or more in accordance with JIS B 0601:2001. The surface of the recording medium includes openings having a width of 30 ?m or less and a length of 500 ?m or less. The number of the openings is 5 or more and 30 or less per 1 mm2 of the surface of the recording medium.

Abstract: A recording medium has a base and an ink receiving layer, in which the ink receiving layer contains colloidal silica, a zirconium compound, an ammonium salt, and hydroxycarboxylic acid and 90% or more of the colloidal silica contained in the ink receiving layer exists in a region of 0 nm or more and 300 nm or less in the depth direction from the outermost surface of the recording medium.