Fujifilm Corporation

Fuji Photo Film Company, Limited

Seirin Corporation

Ryoichi Nakano

Masao Ikoshi

Shota Suzuki

Takashi Kobayashi

Hiroshi Kawakami

Noriaki Sato

Yuichi Wakata

Shigetomo Tsujihata

Kazuyuki Koike

Shunsaku Higashi

Hirokazu Shimada

Naoka Hamada

Masanobu Takashima

Atsushi Osawa

Kaoru Tojo

Norihide Shimohara

Shinji Fujimoto

Hisao Yamada

Katsuhiro Shimono

Katsuyoshi Suzuki

Hideki Kaimoto

Kousaku Yoshimura

Wataru Ono

Masashi Yamauchi

Mizuki Yamamoto

Yuya Kaneko

Takuya Kobayashi

Shohei Taniguchi

Provided are a textile printing ink set including a pretreatment liquid including a quaternary ammonium cation having a molecular weight of 3000 or less, and an ink composition including a water-insoluble dye, a dispersing agent, and water, wherein a content of the quaternary ammonium cation relative to a total amount of the pretreatment liquid is 5 mass % to 20 mass %; and a textile printing method.

Textile printing ink set and textile printing method

Provided are: an overcoat liquid for inkjet textile printing including particles of an anionic polyurethane, particles of a wax, a water-soluble organic solvent, and water, wherein the content of the particles of the anionic polyurethane is 4 mass % to 20 mass % relative to the total amount of the overcoat liquid, the content of the particles of the wax is 0.1 mass % to 3 mass % relative to the total amount of the overcoat liquid, and the content of the water-soluble organic solvent satisfies formula (1) in units of mass %, an ink set for inkjet textile printing; and an inkjet textile printing method.0.7×+0.8×<20  (1)See the specification for definitions of A, B, and C.

Overcoat liquid for inkjet textile printing, ink set for inkjet textile printing, and inkjet textile printing method

A colored resin particle dispersion containing colored resin particles and water, in which the colored resin particles contain an oil-soluble dye and a polymer P containing a structural unit represented by Formula (1), a structural unit represented by Formula (2), and a hydrophilic group, an ink, an ink set, and an inkjet printing method. Lrepresents a chain hydrocarbon group having 4 to 10 carbon atoms, two *1's each represent a bonding position, Lrepresents a chain hydrocarbon group having 2 to 25 carbon atoms which may contain an oxygen atom or the like, or a polymer chain having a number-average molecular weight of 500 or greater, Yand Yeach independently represent —O—, —S—, or, —NRz-, Rz represents a hydrogen atom or a hydrocarbon group having 1 to 20 carbon atoms, and two *2's each represent a bonding position.

Colored resin particle dispersion, ink, ink set, and inkjet printing method

Provided are a textile printing ink set including a pretreatment liquid including a cationic compound having a molecular weight per cationic valence of 150 to 220, and an ink composition including a water-insoluble dye, a dispersing agent, and water, wherein the dispersing agent is at least one selected from the group consisting of a urethane resin, a urea resin, and a urethane-urea resin; and a textile printing method.

Provided are a colored resin particle dispersion containing colored resin particles and water, in which the colored resin particles contain a water-insoluble chain polymer and at least one dye selected from the group consisting of an oil-soluble dye, a disperse dye and a vat dye, and the water-insoluble chain polymer has a structure represented by the following General Formula (G), a cyclic structure, and a hydrophilic group, an ink manufactured using the colored resin particle dispersion, an ink set having the ink, an inkjet printing method using the ink, and a method of manufacturing the colored resin particle dispersion. In the General Formula (G), Rg represents a hydrogen atom or a substituent, Lg represents —O—, —S—, or —NRz-, Rz represents a hydrogen atom or a substituent, and * represents a bonding position.

Colored resin particle dispersion, ink, ink set, inkjet printing method, and method of manufacturing colored resin particle dispersion

An acupuncture needle packaging container includes a container body having a plurality of storage recesses arranged side by side, each of the plurality of storage recesses configured to store an acupuncture needle, and a peripheral portion positioned higher than a bottom portion of the plurality of storage recesses; a sheet member configured to cover the container body; and a bendable portion crossing a longitudinal direction of a needle grip of the acupuncture needle. When the container body is bent, at the bendable portion, into an inverted V-shape and placed on a mounting surface, the container body has a rigidity to maintain the inverted V-shape. At a cross section of the bendable portion crossing the longitudinal direction, a side wall of the container body, with respect to a bottom portion of the container body, is oblique toward an outer side of the container body.

Acupuncture needle packaging container

An inkjet recording method comprising, in order, as step a an application step of providing an undercoat layer by applying an undercoat composition onto a recording medium, as step b an image formation step of forming an image by discharging an ink composition onto the undercoat layer, as step c a curing step of irradiating the undercoat layer and the ink composition with actinic radiation so as to carry out curing, the undercoat composition comprising an isocyanate group-containing compound, a radically polymerizable monomer, and a radical polymerization initiator, and the ink composition comprising a radically polymerizable monomer, a radical polymerization initiator, and a colorant.

Inkjet recording method, and printed material

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-jet recording medium comprising: a support including a base paper, a first polyolefin resin layer disposed on one side of the base paper, and a second polyolefin resin layer disposed on the other side of the base paper, and an ink receiving layer including inorganic particles and a water-soluble resin, the ink receiving layer being disposed on one side of the support, wherein a first surface of the support at a side that is opposite to a side at which the ink receiving layer is disposed has a centerline average roughness (Ra) of from 0.5 &#x3bc;m to 1.0 &#x3bc;m when measured in accordance with JIS-B-0601 with a cutoff value of 0.8 mm, and an average surface roughness (Sra) of 0.3 &#x3bc;m or less when a cutoff value is from 1 &#x3bc;m to 25 &#x3bc;m.

Ink-jet recording medium

An inkjet recording medium having a substrate and, on or above the substrate, an ink-receiving layer is disclosed. The ink-receiving layer contains at least one type of inorganic fine particles, at least one water-soluble resin, and at least one ethylene oxide adduct of an acetylene glycol compound having an HLB value of 6 or less.

Inkjet recording medium

An inkjet recording medium having on a substrate an ink-receiving layer containing inorganic fine particles and organic nitrogen-containing cationic polymer, with the organic nitrogen-containing cationic polymer being contained in a greater quantity in a half of the ink-receiving layer at a side nearer to the substrate (a near-substrate side) than in a half of the ink-receiving layer at a side further from the substrate (a far-substrate side) when the ink-receiving layer is divided into two equal parts by a plane parallel to the substrate.

Inkjet recording medium and method of manufacturing the same

The inkjet recording medium herein provided has at least: a support; and an ink-receiving layer provided on the support, the ink-receiving layer comprising inorganic fine particles, two polyvinyl alcohols having a degree of saponification different from each other, and a low molecular weight polyvinyl alcohol having an average degree of polymerization of 2000 or less.

An inkjet recording method includes forming an image on an inkjet recording sheet with an ink set, wherein the inkjet recording sheet includes: a support; and a colorant-receiving layer provided on the support, the colorant receiving layer including inorganic particles, a water-soluble resin and at least one boron compound selected from the group consisting of boric acid, borate and borax, in which the ratio of the boron compound to the water-soluble resin is from 5 to 14% by mass, wherein the ink set including at least one inkjet ink including at least the boron compound and a water-soluble dye, and wherein the image is formed on a side of the inkjet recording sheet at which the colorant-receiving layer is formed.

Inkjet recording method

There is provided a method for manufacturing an inkjet recording medium, the method including forming an undercoat layer by coating an undercoat layer-forming liquid containing a binder resin and a water-soluble divalent metal salt, on a support; forming a coating film by coating a coating film-forming liquid containing at least inorganic fine particles and an acetoacetyl-modified polyvinyl alcohol, on the undercoat layer; and applying a curing solution containing a water-soluble multifunctional compound having two or more amino groups in the molecule, onto the coating film, either simultaneously with the forming of the coating film, or before the coating film undergoes decreasing-rate drying during drying of the coating film.

Method for manufacturing inkjet recording medium

A recording medium in which a base paper, a first layer including a binder and an antistatic agent, and a second layer including a white pigment are formed in this order; the content of the antistatic agent is from 0.2% by mass to 10% by mass based on an amount obtained by removing the antistatic agent from all solids in the first layer; the Cobb water absorption degree within a contact time of 120 sec at a surface of the first layer of the base paper provided with the first layer is 2.0 g/mor less, and the surface resistivity at 50% RH and 23&#xb0; C. on the surface is 1&#xd7;10&#x3a9; or less; and the water absorption amount within a contact time of 0.5 sec determined by a Bristow test at a surface of the second layer is from 2 mL/mto 8 mL/m.

Growing community of inventors

Shizuoka-ken, Japan

Ryoichi Nakano