Fuji Photo Film Company, Limited

Fujifilm Corporation

Naonori Makino

Seiji Horie

Hideo Sato

Satoshi Hoshi

Kouichi Kawamura

Katsuji Kitatani

Toshifumi Inno

Sumiaki Yamasaki

Shigeru Ohno

Yoshio Inagaki

Takanori Hioki

Koichi Kawamura

Kenji Sano

Yasuhito Oshima

Tomoyoshi Mitsumoto

Katsugi Kitatani

Yoshiaki Suzuki

Keiichi Adachi

Koki Nakamura

Kazuto Shimada

Ippei Nakamura

Hiroshi Sunagawa

Hidekazu Oohashi

Kazuhiro Fujimaki

Norio Aoshima

Yuuichi Hayata

Miki Takahashi

Syu Watarai

Ryuki Kakino

Shu Watarai

Gaku Kumada

Kaku Sakata

The invention provides a fluorescent polymer fine particle having at least: a polymer particle having a core-shell configuration having a hydrophobic core and a hydrophilic shell; and a fluorescent lanthanoid dye that is integrated with the polymer particle and has a fluorescent lanthanoid cation, wherein a hydrophilic polymer which forms the hydrophilic shell has a polymerizable unit and at least one hydrophilic unit selected from the group consisting of a hydrophilic (meth)acrylamide unit and a hydrophilic vinyl amine unit. The invention further provides a method for forming the fluorescent polymer fine particle having at least dispersing and polymerizing a hydrophobic radical polymerizable monomer in an aqueous solvent in the presence of a radical generator and the presence of a components for forming a hydrophilic polymer which forms the hydrophilic shell; and introducing the fluorescent lanthanoid dye with the polymer particle.

Fluorescent polymer fine particle, method for forming thereof, fluorescence detection kit, and method for detecting fluorescence

A lithographic printing plate precursor comprising: a support; and at least one layer comprising an image-recording layer, the image-recording layer comprising (A) an infrared absorber, (B) a polymerization initiator, (C) a polymerizable compound, and (D) a binder polymer, wherein the image recording layer is capable of being removed with at least one of a printing ink and a fountain solution, wherein at least one of said at least one layer comprises a copolymer having (a1) a unit comprising at least one ethylenically unsaturated bond, and (a2) a unit comprising at least one functional group interacting with a surface of the support. And a lithographic printing method in which the lithographic printing plate precursor is used. The copolymer preferably has a hydrophilic segment. The copolymer preferably is contained in an undercoat layer formed between the support and the image-recording layer.

Lithographic printing plate precursor and lithographic printing method

A lithographic printing process which comprises the steps of: imagewise scanning with a laser a presensitized lithographic plate which comprises a hydrophilic support and an image-recording layer containing a polymerization initiator, an ethylenically unsaturated polymerizable compound having no adherence to the hydrophilic support, and an ethylenically unsaturated polymerizable compound having adherence to the hydrophilic support and a molecular structure comprising a polyoxyalkylene group to polymerize the ethylenically unsaturated polymerizable compounds within the exposed area; removing the image-recording layer within the unexposed area from the lithographic plate mounted on a cylinder of a printing press; and then printing an image with the lithographic plate mounted on the cylinder of the printing press. A presensitized lithographic plate is also disclosed.

Lithographic printing process

An image forming method in which a planographic printing plate precursor having, on a support, an image recording layer containing (A) a polymerization initiator, (B) a polymerizable compound, and (C) a binder polymer, and having photosensitivity in a wavelength range of 250 nm to 420 nm, is subjected to exposure using laser light in the wavelength range of 250 nm to 420 nm, and a one-pixel drawing time is one millisecond or less, a planographic printing plate precursor having the image recording layer which further contains (D) a compound having a polymerizable group and a support adsorptive group, or (F) a filler, and a planographic printing method including development-on-machine, are provided.

Image forming method, planographic printing plate precursor, and planographic printing method

A lithographic printing process comprises the steps of: imagewise exposing to infrared light a presensitized lithographic plate which comprises a hydrophilic support and an image-forming layer containing an infrared absorbing agent, a polymerization initiator and a binder polymer to polymerize the polymerizable compound within the exposed area; removing the image-forming layer within the unexposed area while mounting the lithographic plate on a cylinder of a printing press; and then printing with the lithographic plate while mounting the lithographic plate on the cylinder of the printing press. The polymerization initiator is a salt of an anion with a sulfonium ion. According to the present invention, a specific anion or a specific sulfonium ion is used in the polymerization initiator.

Lithographic process involving on press development

A process for producing an inkjet ink composition is provided and includes dispersion-treating a coloring material in a non-aqueous solvent with a dispersant having no coloring material-dispersing property, the coloring material being covered with a resin insoluble in the non-aqueous solvent. An inkjet ink composition produced by the production process is provided.

Production process of inkjet ink composition and inkjet composition

A lithographic printing plate precursor comprising an image recording layer containing a sensitizing dye, a polymerization initiator, a polymerizable compound and a binder polymer and a hydrophilic support, wherein the image recording layer or a layer optionally provided between the image recording layer and the hydrophilic support contains a compound capable of forming an adsorptive group to the hydrophilic support due to heat, an acid or a radical.

A planographic printing plate precursor comprises a substrate having disposed thereon a hydrophilic layer which includes hydrophilic graft chains and a crosslinked structure formed through hydrolytic polycondensation of an alkoxide of an element selected from Si, Ti, Zr and Al. An aluminum substrate for a planographic printing plate includes a hydrophilic surface which is formed by a hydrophilic polymer including a functional group that chemically bonds to the aluminum substrate directly or is chemically bindable to the aluminum substrate via structural component having a crosslinking structure. A surface-hydrophilic member comprises a substrate having disposed thereon a hydrophilic layer, wherein the hydrophilic layer includes hydrophilic graft chains and a crosslinked structure formed through hydrolytic polycondensation of an alkoxide of an element selected from Si, Ti, Zr and Al.

Planographic printing plate precursor, substrate for the same and surface hydrophilic material

A lithographic printing process which comprises the steps of: imagewise exposing to infrared light a presensitized lithographic plate which comprises a hydrophilic support and a removable image-forming layer containing an infrared absorbing agent having the absorption maximum within an infrared region and a dye precursor having substantially no absorption within a visible region to change the dye precursor to a visible dye having an absorption within a visible region within the exposed area, and to make the image-forming layer irremovable within the exposed area; removing the image-forming layer within the unexposed area of the lithographic plate mounted on a cylinder of a printing press; and then printing an image with the lithographic plate mounted on the cylinder of the printing press. The other processes are also disclosed.

Disclosed is a presensitized plate composed of a support having thereon an image recording layer which includes: The presensitized of the present invention can be imaged with an infrared light-emitting laser to directly record an image from digital data on a computer or the like and is then subjected to on-machine development without carrying out a development step, which is capable of providing a large number of good impressions with a practical amount of energy.

Lithographic printing method and presensitized plate

A lithographic printing plate precursor comprises an image-forming layer containing a polymerization initiator and a polymerizable compound, and a hydrophilic support,

A presensitized lithographic printing plate comprises a hydrophilic support and an image-forming layer. The image-forming layer contains microcapsules. The microcapsules consist of a shell and a core. The shell comprises a polymer. The polymer has a decomposition temperature in the range of 150 to 280&#xb0; C. The core comprises a polymerizable compound.

Presensitized lithographic plate comprising microcapsules

A lithographic process comprises the steps of imagewise heating a presensitized lithographic printing plate and removing an unheated area of an image-forming layer to form a lithographic printing plate. The presensitized lithographic printing plate comprises a hydrophilic support and the image-forming layer. The image-forming layer contains a compound or a polymer having o-quinodimethane structures or precursor structures thereof. The lithographic printing plate is prepared by a reaction of the o-quinodimethane structures.

Lithographic process using reaction of o-quinodimethane

A silver halide light-sensitive material comprises a support and a silver halide gelatin emulsion layer. The silver halide gelatin emulsion layer or an optionally provided hydrophilic layer contains a tanning developing agent. According to the first embodiment of the present invention, the tanning developing agent has a molecular structure in which two to six benzenediol or benzenetriol rings are connected with a linking group. According to the second embodiment of the invention, the tanning developing agent consists of a polymer having side chains containing benzenediol or benzenetriol rings. According to the third embodiment of the invention, the tanning developing agent consists of a benzenediol or benzenetriol ring having an aliphatic substituent group having 5 to 40 carbon atoms or an aromatic substituent group having 7 to 40 carbon atoms. A tanning developing solution and a lithographic printing plate are also disclosed.

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Shizuoka, Japan

Naonori Makino