Abstract: An object of the present invention is to provide a manufacturing method of a conductive layer, in which storage stability and jetting stability of an ink are excellent and a conductive layer having excellent conductivity can be formed.

Abstract: An object of the present invention is to provide a manufacturing method of a conductor capable of forming a conductive film having excellent rub resistance. Another object of the present invention is to provide a manufacturing method of an electromagnetic wave shielding body, and a conductor.

Abstract: Provided is a manufacturing method of a printed circuit board, which has excellent coverage of an electromagnetic wave shielding layer and excellent electromagnetic wave shielding characteristics.

Abstract: Provided is a conductive laminate including a base material and a conductive ink film provided on the base material, in which a region that extends from a first main surface toward a second main surface to a position being away from the first main surface by a distance equivalent to 50% of a thickness of the conductive ink film has a first void ratio of 15% to 50%, a region that extends from a position being away from the second main surface toward the first main surface by a distance equivalent to 10% of the thickness of the conductive ink film to the second main surface has a second void ratio which is smaller than the first void ratio, and the conductive ink film comprises at least one metal selected from the group consisting of silver, gold, platinum, nickel, palladium, and copper.

Abstract: Provided is a conductive laminate including a base material and a conductive ink film provided on the base material, in which a region that extends from a position being away from a first main surface toward a second main surface by a distance equivalent to 50% of a thickness of the conductive ink film to the second main surface has a first void ratio of 15% to 50%, and a second void ratio in a region that extends from the first main surface toward the second main surface to a position being away from the first main surface by a distance equivalent to 10% of the thickness of the conductive ink film has a second void ratio which is smaller than the first void ratio.

Abstract: Provided is a manufacturing method of an electronic device, including a step of preparing an electronic substrate including a wiring board, an electronic component, and a ground electrode, a first step of forming an insulating layer on the electronic component, and a second step of forming, on the insulating layer and on the ground electrode, an electromagnetic wave shielding layer that covers the insulating layer and is electrically connected to the ground electrode, to obtain an electronic device, in which, in the first step, the insulating layer is formed by applying an ink for an insulating layer and performing an irradiation with active energy ray on the applied ink for an insulating layer, in the second step, the electromagnetic wave shielding layer is formed by applying an ink for an electromagnetic wave shielding layer, containing a metal compound, and a jetting temperature of the ink for an insulating layer is higher than a jetting temperature of the ink for an electromagnetic wave shielding layer by

Abstract: Provided is a manufacturing method of an electronic device, the method including: a step of preparing an electronic substrate including a wiring board, an electronic component disposed on the wiring board, and a ground electrode having an organic acid on a surface thereof; and a step of applying an ink for forming a conductive layer onto at least a part of the ground electrode having the organic acid on the surface thereof, to form a conductive layer that is a cured film of the ink for forming a conductive layer, in which the organic acid includes at least one compound selected from the group consisting of a monocarboxylic acid having a molecular weight of less than 350 and a dicarboxylic acid having a molecular weight of less than 350.

Abstract: Provided is a conductive laminate including a base material and a conductive ink film provided on the base material, in which a region that extends from a position being away from a first main surface toward a second main surface by a distance equivalent to 50% of a thickness of the conductive ink film to the second main surface has a first void ratio of 15% to 50%, and a second void ratio in a region that extends from the first main surface toward the second main surface to a position being away from the first main surface by a distance equivalent to 10% of the thickness of the conductive ink film has a second void ratio which is smaller than the first void ratio.

Abstract: Provided is a conductive laminate including a base material and a conductive ink film provided on the base material, in which a region that extends from a first main surface toward a second main surface to a position being away from the first main surface by a distance equivalent to 50% of a thickness of the conductive ink film has a first void ratio of 15% to 50%, a region that extends from a position being away from the second main surface toward the first main surface by a distance equivalent to 10% of the thickness of the conductive ink film to the second main surface has a second void ratio which is smaller than the first void ratio, and the conductive ink film comprises at least one metal selected from the group consisting of silver, gold, platinum, nickel, palladium, and copper.

Abstract: Provided is an ink set for security image recording comprising an infrared-absorbing ink jet ink which contains a polymerizable compound and an infrared absorbing dye and in which a maximum value of an absorbance in a wavelength range of 750 nm to 1,000 nm is larger than a maximum value of an absorbance in a wavelength range of 400 nm to 750 nm, and color ink jet inks which each contain a polymerizable compound and a colored colorant and satisfy a ratio of a maximum value of an absorbance of each of the color ink jet inks in a wavelength range of 750 nm to 1,000 nm to the maximum value of the absorbance of the infrared-absorbing ink jet ink in a wavelength range of 750 nm to 1,000 nm of 0.10 or less. Also provided are applications of the ink set.

Abstract: A pigment dispersion composition contains a pigment, a polymerizable compound, and a compound having a structural unit represented by Formula (A), a structural unit represented by Formula (B), a structural unit represented by Formula (C) derived from polyalkylene oxide having a number average molecular weight of equal to or greater than 300 and less than 5,000, and a structural unit represented by Formula (D), in which a mass ratio [(B)/(C)] is 20/80 to 60/40.

Abstract: A pigment dispersion composition contains a pigment, a polymerizable compound, and a compound having a structural unit represented by Formula (A), a structural unit represented by Formula (B), a structural unit represented by Formula (C) derived from polyalkylene oxide having a number average molecular weight of equal to or greater than 300 and less than 5,000, and a structural unit represented by Formula (D), in which a mass ratio [(B)/(C)] is 20/80 to 60/40.

Abstract: An ink composition includes a graft copolymer including a repeating unit having a partial structure represented by Formula (1) described below and a repeating unit having a hydrophilic group in which a graft chain includes the repeating unit and water.

Abstract: Provided is an ink composition that can form an image in which bleeding caused when the image is recorded by an ink jet method is inhibited and which has excellent toughness and glossiness and shows excellent adhesiveness with respect to various substrates, even when being dried at a low temperature. The ink composition for an ink jet including (a) an alkyl(meth)acrylate copolymer which contains an alkyl(meth)acrylate having 7 to 22 carbon atoms in total and a repeating unit derived from (meth)acrylic acid and has an acid value of 1.3 mmol/g to 2.0 mmol/g in an unneutralized state, and (b) an aqueous medium containing water.

Abstract: An ink composition with excellent solvent resistance of the recorded image and fixability to a recording medium which may be applicable to an ink jet recording method, and an image forming method using the ink composition are provided. An ink composition which includes a dispersion medium including (a) water, and particles of (b) a polymer compound and (b) the polymer compound includes a repeating unit having a partial structure represented by the following General Formula (1) is provided. In the following General Formula (1), Ra and Rb, each independently, represent an alkyl group having the number of carbon atoms 1 to 4, and Ra and Rb may be bonded to each other to form an alicyclic structure with 4- to 6-membered ring and * represents a bonding site to a main chain or a side chain in the polymer compound.

Abstract: An ink composition includes a compound having two or more partial structures represented by the following Formula (A) in a molecule (Component a), a compound selected from the group consisting of a compound represented by the following Formula (B1) and a compound represented by the following Formula (B2) (Component b), and a color material (Component c).

Abstract: An ink composition includes a graft copolymer including a repeating unit having a partial structure represented by Formula (1) described below and a repeating unit having a hydrophilic group in which a graft chain includes the repeating unit and water.

Abstract: The present invention provides a pigment dispersion, containing (a) a pigment; and (b) a polymer having a polyurethane bond in a main chain, having at least one polymer chain selected from the group consisting of a polyester, a polyacrylate, a polymethacrylate and a polyalkylene oxide at a side chain of the polymer, and having a partial skeleton that is different from a partial skeleton included in a chemical structure of the pigment, as a pendant of the main chain.

Abstract: The invention provides an ink composition including: (a) a polymer including a repeating unit (a1) having a group represented by the following Formula (1) and a repeating unit (a2) having a hydrophilic group; (b) a radical polymerizable compound; (c) water; and (d) a colorant; wherein, in Formula (1), each of Ra and Rb independently represents an alkyl group having from 1 to 4 carbon atoms; Ra and Rb may be bound to each other to form a 4- to 6-membered alicyclic structure; and * represents a bonding site.

Abstract: The aqueous ink composition contains (A) a polymer that has an SP value of 18.6 to 20 and contains a hydrophilic group-containing repeating unit (a1) of 5% to 45% by mass, (B) a pigment, (C) water, and (D) an organic solvent represented by the following Formula (I).