Fuji Photo Film Company, Limited

Fujifilm Corporation

Kazuto Kunita

Atsushi Sugasaki

Ippei Nakamura

Kazuto Shimada

Hidekazu Oohashi

Ryuki Kakino

Tatsuo Nakamura

Keitaro Aoshima

Kazuhiro Fujimaki

Koichi Kawamura

Akinori Shibuya

Yu Iwai

Ikuo Kawauchi

Katsuji Kitatani

Yasuhito Oshima

Hiroyuki Nagase

Yasubumi Murota

Kunihiko Kodama

Toshiaki Aoai

Kenichiro Sato

Sumiaki Yamasaki

Tomotaka Tsuchimura

Kaoru Iwato

Tadahiro Sorori

Satoshi Hoshi

Toyohisa Oya

Tomoya Sasaki

Syunichi Kondo

Hiroaki Yokoya

Yasuo Okamoto

Katsumi Araki

Toshifumi Inno

Tatsuji Higashi

Koji Sonokawa

Satoshi Tanaka

Shunichi Kondo

Hiromitsu Yanaka

Kotaro Watanabe

Mitsumasa Tsuchiya

Kunio Nakamura

Shigeo Koizumi

Yuichi Shiraishi

Shin-ichi Morishima

A resist composition comprises two or more polymers containing a first polymer and a second polymer and a compound that when exposed to actinic rays or radiation, generates an acid, wherein when the resist composition is formed into a dry resist film, the mixing ratios of at least the first and second polymers in the resist film exhibit a gradient distribution such that the mixing ratios continuously change in entirety or partially in the direction of the depth from the surface of the resist film on the air side toward a support, and wherein the mixing ratio of the first polymer at a superior portion of the resist film is higher than that of the second polymer, while the mixing ratio of the second polymer at an inferior portion of the resist film is higher than that of the first polymer.

Resist composition and method of forming pattern therewith

A lithographic printing plate precursor includes an image-recording layer and a protective layer containing a stratiform compound, wherein at least one of the image-recording layer and the protective layer contains a polymer containing as a repeating unit, a structural unit having an ammonium structure.

Lithographic printing plate precursor and lithographic printing method

A hydrophilic member comprising a substrate and a hydrophilic coating film provided on the substrate, wherein the hydrophilic coating film is produced by coating a substrate with an aqueous solution containing (a) a hydrophilic polymer, (b) an alkoxide of a metal selected from the group consisting of Si, Ti, Zr, and Al, and (c) a metal complex catalyst, and heat-drying the solution applied.

Hydrophilic member and process for producing the same

A compound having, in its molecule, a polymethine chain structure containing a partial structure represented by the following formula (1-1), and an image forming material containing the same. In the formula (1-1), R, R, R, R, and X each independently represent a hydrogen atom, a halogen atom, or a monovalent organic group. The image forming material is useful as the image recording layer of a planographic printing plate precursor. 

Compound having polymethine-chain structure, image forming material, planographic printing plate precursor, and image forming method using the same, method of making planographic printing plate, and planographic printing method

A process for producing a cured coating is provided that includes a step of forming on a substrate layer of a curable composition that includes at least one compound represented by Formula (I) and a step of curing the layer of the curable composition by irradiation with electron beam. In formula (I) , Qdenoted a cyano group or a &#x2014;COXgroup, Xdenoted a hydrogen atom, organic residue, or polymer chain bonded to carbon atom Cvia a heteroatom, or a halogen atom, Xdenoted a hydrogen atom, organic residue, or polymer chain boned to the carbonyl group via a heteroatom, or a halogen atom, Rand Rindependently denote a hydrogen atom, a halogen atom, a cyano group, or an organic residue, and Xand X, Rand R, and Xand Ror Rmay be bonded to each other to form a cyclic structure. There is also provided an electron beam-curable composition that includes a compound represented by Formula (I).

Curable composition and process for producing cured coating

A polymerizable composition is provided that includes a compound represented by Formula (I), a macromolecule having a monomer unit represented by Formula (II) and/or another addition-polymerization type macromolecule, and a macromolecular filler. In Formula (I) and (II), Qdenotes a cyano group or a &#x2014;COXgroup, Xdenotes a hydrogen atom, organic residue, or polymer chain bonded to carbon atom Cvia a heteroatom, or a halogen atom, Xdenotes a hydrogen atom, organic residue, or polymer chain bonded to the carbonyl group via a heteroatom, or a halogen atom, Rand Rindependently denote a hydrogen atom, a halogen atom, a cyano group, or an organic residue, and Xand X, Rand R, and Xand Ror Rmay be bonded to each other to form a cyclic structure. There are also provided a tacky material produced by forming on a support a 10 to 200 &#x3bc;m layer that includes the polymerizable composition, and an adhesive that includes the polymerizable composition.

Polymerizable composition, tacky material, and adhesive

The present invention provides a planographic printing plate precursor including on a support a photosensitive layer that contains a polymerizable composition containing a specific binder polymer having a repeating unit of formula (I), an infrared absorbent, a polymerization initiator and a polymerizable compound, 

Polymerizable composition and planographic printing plate precursor

An ink jet-recording ink capable of being cured through the irradiation with a radioactive ray, in which the ink jet-recording ink includes a coloring material, a polymerizable compound and a polymerization initiator system, wherein the polymerization initiator system includes a polymerization initiator and at least one co-sensitizing agent selected from the group consisting of compounds represented by the foregoing general formulas (i) to (iv) and (vii) to (ix), as well as a method for preparing a lithographic printing plate includes the steps of (1) A step for injecting an ink jet-recording ink as set forth in claim 1 on the surface of the substrate; and (2) A step for curing the ink by the irradiation of the substrate carrying the injected ink thereon with a radioactive ray to thus form an image of cured ink on the substrate. The ink is highly sensitive to a radioactive ray, permits the formation of a high quality image and has excellent storage stability. In addition, the method permits the formation of a high quality image excellent in the printing durability.

Ink for ink jet-recording curable through irradiation with a radioactive ray and method for preparing lithographic printing plates using the same

A polymer having a polymerizable group and an alkyleneoxy groups on side chains thereof, and a polymerizable composition containing the polymer. The polymerizable composition preferably contains a polymerizable compound and a polymerization initiator. Also provided is a planographic printing plate precursor having a polymerizable layer on a hydrophilic support, the polymerizable layer containing a polymer having a polymerizable on a side chain thereof. The planographic printing plate precursor can form an image without being subjected to an alkali development. An undercoat layer containing a specific copolymer may be provided between the support and the photopolymerizable layer.

Polymer having polymerizable group, polymerizable composition, planographic printing plate precursor, and planographic printing method using the same

An image-recording materials containing (A) a compound having a specific partial structure and at least one group selected from an acid group having a pKa of 11 or less, the derivative of the acid group and a group capable of generating the acid group, a lithographic printing plate precursor having an image-recording layer containing the compound (A), and a lithographic printing method using the lithographic printing plate precursor, are provided.

A method for forming a colored image with good visibility on a lithographic printing plate precursor by exposure to a laser light, particularly, a method for forming a colored image with good visibility on a lithographic printing plate precursor which is developable on a printing press, the method for forming a colored image comprising: exposing a lithographic printing plate precursor to a laser light; and heating or exposing the entire lithographic printing plate to form a colored image, wherein the lithographic printing precursor comprises a support and a photosensitive-thermosensitive layer capable of recording an image by exposure to an infrared laser, the photosensitive-thermosensitive layer containing an infrared absorbent and a discoloring material that undergoes color change upon exposure.

Method for colored image formation

A polymerizable composition comprising: (A) a non-acrylic binder polymer having an ethylenically unsaturated bond on a side chain; (B) a neutrally charged compound capable of generating a radical under light or heat; and (C) a compound having an ethylenically unsaturated bond, and a polymerizable composition comprising: (A') a polyurethane resin having an ethylenically unsaturated bond on a side chain, which is a reaction product of an isocyanate compound and a diol compound including a diol compound represented by the formula (G) defiend herein; (B) a neutrally charged compound capable of generating a radical under light or heat; (C) a compound having an ethylenically unsaturated bond; (D&#x2032;) a 1,4-benzoquinone derivative; and (E&#x2032;) a dye having a maximum absorption wavelength in a region of from 350 to 450 nm.

Polymerizable composition

The present invention provides a planographic printing plate precursor including on a support a photosensitive layer that contains a polymerizable composition containing a specific binder polymer having a repeating unit of formula (I), an infrared absorbent, a polymerization initiator and a polymerizable compound, wherein Rrepresents a hydrogen atom or a methyl group; Rrepresents a linking group which includes two or more atoms selected from a carbon atom, a hydrogen atom, an oxygen atom, a nitrogen atom and a sulfur atom and has a number of atoms of 2 to 82; A represents an oxygen atom or &#x2014;NR&#x2014; in which Rrepresents a hydrogen atom or a monovalent hydrocarbon group having 1 to 10 carbon atoms; and n represents an integer of 1 to 5. The invention also provides a planographic printing plate precursor provided with a specific photosensitive layer with respect to an alkaline developer.

A process for making a flexographic printing plate is provided, the process including a step of forming an image mask on a flexographic printing starting plate by discharging an oil-based ink by an ink-jet method, the flexographic printing starting plate having a support and a photosensitive resin layer provided thereon; a step of subjecting the photosensitive resin layer to overall exposure via the image mask; and a step of developing the photosensitive resin layer thus exposed.

Process for making flexographic printing plate

The infrared laser-compatible positive-type image recording materials according to the present invention include a support and a photo/thermosensitive layer formed on the support; and the photo/thermosensitive layer contains an alkali-soluble resin (A), a photothermal converting substance (B) and an ester compound (C) represented by the following General Formula (I), and increases solubility thereof to an alkaline developer as a result exposure to an infrared laser. In the following formula, Rrepresents a hydrocarbon group having a pKa of ROH in a range of 3 to 10; and Rrepresents a hydrocarbon group or a substituted carbonyl group. The invention provides image recording materials compatible with high-output lasers that enable highly-sensitive direct plate making by using digital data from a computer or the like, and provide images excellent in development latitude, contrast, and resolution 

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Shizuoka, Japan

Kazuto Kunita