Fujifilm Corporation

Norihide Shimohara

Ippei Nakamura

Hisato Nagase

Koji Yasuda

Kotaro Maeda

Hidenori Takahashi

Ryoichi Nakano

Misato Sasada

Yuuichi Fukushige

Kaoru Tojo

Yuuichi Hayata

Shigetomo Tsujihata

Koji Hironaka

Hiromichi Numazawa

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.

Manufacturing method of electronic device

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.

Ink set for security image recording, security image recording method, and article with recorded security image

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.

Conductive laminate and manufacturing method of conductive laminate

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.

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. 

Pigment dispersion composition, inkjet recording method, and method for producing compound

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. 

Ink composition, image forming method, printed material, and graft copolymer

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.

Ink composition, image forming method, and printed article using the same

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), Rand R, each independently, represent an alkyl group having the number of carbon atoms 1 to 4, and Rand Rmay 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. 

Ink composition, image forming method and printed material

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.

Pigment dispersion and ink composition, curable composition and curable ink composition making use of the same

The invention provides an ink composition including: 

Ink composition and image forming method

A pigment dispersion including: 2 to 35% by mass of a pigment (a); 10 to 30 parts by mass of a polymer (b) with respect to 100 parts by mass of the pigment (a), the polymer (b) containing 5 to 30% by mass of a repeating unit represented by the following Formula (1) and having a weight average molecular weight of 10000 to 200000; and 15 to 50 parts by mass of a graft copolymer (c) having a polyalkylene imine chain or a polyallylamine chain in a main chain thereof and a polyester chain in a side chain thereof with respect to 100 parts by mass of the pigment (a), in which a total of the contents of the polymer (b) and the graft copolymer (c) is in the range of 25 to 70 parts by mass with respect to 100 parts by mass of the pigment (a). 

Pigment dispersion, ink composition using the same, and printed material

The present invention provides a pigment dispersion, including: (a) a pigment; and (b) a polymer compound as a dispersant for the pigment (a), wherein the polymer compound includes a urethane bond in a main chain, includes a pendant moiety containing a skeleton which is the same as a partial skeleton of the pigment (a), and further includes, at a side chain, at least one polymer chain selected from the group consisting of a polyester chain, a poly(meth)acrylate chain, and a polyalkylene oxide chain, and wherein the molecular weight of the skeleton which is the same as a partial skeleton of the pigment (a) is from 20 to 70% of the molecular weight of the pigment (a).

Pigment dispersion, and ink composition, curable composition and curable ink composition produced with pigment dispersion

A polymerizable compound represented by the following formula (1): 

Polymerizable compound, polymer, ink composition, printed articles and inkjet recording method

An ink composition containing at least a polymerizable composition, a pigment, and a polymer represented by General Formula (1): where Rrepresents an (m+n)-valent organic linking group, Rrepresents a single bond or divalent organic linking group; Arepresents a monovalent organic group having a pigment adsorption structure that contains at least one selected from organic pigment structure, heterocyclic structure, acidic group, group having a basic nitrogen atom, urea group, urethane group, group having a coordinating oxygen atom, hydrocarbon group having 4 or more carbon atoms, alkoxysilyl group, epoxy group, isocyanate group, and hydroxyl group; the n groups Aand bonds or groups Rmay independently be the same or different; 'm' is 1 to 8, 'n' is 2 to 9, and m+n is 3 to 10; Prepresents a polymer skeleton; and the m skeletons Pmay be the same or different.

Ink composition and image recording method and image recorded matter using same

An ink composition includes (A) at least one polymerizable compound selected from the group consisting of a monofunctional radically polymerizable monomer having an aliphatic cyclic structure, an N-vinyllactam, and an aromatic monofunctional radically polymerizable monomer, (B) a radical polymerization initiator, (C) a pigment, and (D) a graft copolymer having a repeating unit represented by the formula below in a graft chain: wherein R denotes a hydrogen atom or a methyl group, X denotes a single bond, &#x2014;O&#x2014;, &#x2014;CO&#x2014;, &#x2014;COO&#x2014;, &#x2014;CONR&#x2014;, &#x2014;OCO&#x2014;, or a phenylene group, Rdenotes a hydrogen atom, an alkyl group, an aryl group, or an aralkyl group, L denotes a single bond or a divalent linking group, Z denotes &#x2014;NRR, Rand Rindependently denote a hydrogen atom, an alkyl group, an aryl group, or an aralkyl group, and Rand Rmay be bonded to each other to form a ring.

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Kanagawa, Japan

Norihide Shimohara