Abstract:
The invention has a support, a recording layer provided on the support, and a protective layer containing a hydrophilic polymer and silica-coated organic resin fine particles provided as the uppermost layer. The organic resin fine particles are preferably composed of at least one resin selected from the group consisting of polyacrylic acid resins, polyurethane resins, polystyrene resins, polyester resins, epoxy resins, phenolic resins, and melamine resins, and the protective layer preferably contains a mica compound.
Abstract:
The present invention provides a photosensitive composition including a compound that generates a radical by application of light or heat, a polymer having a phenyl group substituted with a vinyl group on the side chain, a monomer having two or more phenyl groups substituted with a vinyl group, an infrared absorbing agent, and a compound having at least one carboxylic acid group and a weight average molecular weight of 3,000 or less. Additionally, the invention provides a planographic printing plate precursor including a substrate and a negative recording layer provided on the substrate and containing the above photosensitive composition.
Abstract:
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), R1, R2, R3, R4, 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.
Abstract:
A photosensitive lithographic printing plate comprising: a support; and a polymerizable photosensitive layer that comprises: an addition-polymerizable compound having an ethylenically unsaturated double bond; a polymerization initiator; and a polymer compound having (a) a monomer represented by formula (I) and (b) a monomer represented by formula (II) as copolymerization component: wherein Rf represents a substituent containing a fluoroalkyl or perfluoroalkyl group having 9 or more fluorine atoms; n represents 1 or 2; and R1 represents a hydrogen atom or a methyl group; wherein R21 represents a hydrogen atom or a methyl group; R22 represents a divalent hydrocarbon group having a carbon number of 3 to 30 and having an aliphatic cyclic structure; A represents an oxygen atom or —NR23—; and R23 represents a hydrogen atom or a monovalent hydrocarbon group having a carbon number of 1 to 10.
Abstract translation:一种光敏平版印刷版,包括:支撑体; 和可聚合感光层,其包含:具有烯键式不饱和双键的可加成聚合化合物; 聚合引发剂; 和具有(a)由式(I)和(b)表示的单体作为共聚成分的式(I)表示的单体的高分子化合物:其中,Rf表示含有具有9个以上氟原子的氟代烷基或全氟烷基的取代基; n表示1或2; R 1表示氢原子或甲基; 其中R 21表示氢原子或甲基; R 22表示碳数为3〜30的具有脂肪族环状结构的二价烃基; A表示氧原子或-NR 23 - ; R 23表示氢原子或碳数为1〜10的一价烃基。
Abstract:
(1) A packaged body of lithographic printing plate precursors, wherein an image-recording layer or a protective layer of the outermost surface layer contains an inorganic layered compound. (2) A lithographic printing plate precursor having a protective layer containing an inorganic layered compound, and an image-recording layer containing a binder polymer. (3) A lithographic printing plate precursor having a protective layer containing an inorganic layered compound, and an image-recording layer containing an infrared absorber and an iodonium compound.
Abstract:
An infrared-sensitive photosensitive composition comprising (A) an alkali-soluble resin containing a repeating unit having an alkylene oxide group, and (B) a light-to-heat converting agent; and an infrared-sensitive photosensitive composition comprising (A′) a polyurethane resin having a specific diol as a constituent, (B) a light-to-heat converting agent, and (C) a novolak resin.
Abstract:
A planographic printing plate precursor comprising an aluminum support having a hydrophilic front surface, and a negative recording layer provided on the front surface, wherein the negative recording layer includes a polymerizable compound, a radiation absorber, and a compound that generates a radical upon application of radiation or heat, and a Bekk smoothness of a back surface of the planographic printing plate precursor is 1000 seconds or less. Also provided are a stack of the planographic printing plate precursors and a method of making a planographic printing plate using the planographic printing plate precursor.
Abstract:
It is an object of the present invention to provide that printing plate materials of the present invention exhibit excellent printing durability, less “out of color” registration, and improved printing image quality. Disclosed is a printing plate material possessing an image formation layer on one surface of a polyester support and not less than two backing layers on the other surface, wherein at least one of the backing layers is an electrically conductive layer, at least one of the backing layer is a layer containing at least one resin selected from polyester resin, acryl resin, acryl modified polyester resin and cellulose ester resin provided on the electrically conductive layer, and at least one of the backing layers contains an organic matting agent.
Abstract:
A lithographic printing plate precursor comprising a support and an image-recording layer containing at least one compound selected from the group consisting of a spiropyran compound and a spirooxazine compound, and an acid generator, and a lithographic printing method including a process of removing the unexposed area of the image-recording layer on a printing press.
Abstract:
A lithographic printing plate precursor comprising: a support; and an image recording layer comprising a polymerization initiator, a polymerizable compound and a polymer binder and being removable with at least one of a printing ink and a fountain solution, wherein the polymerizable compound and the polymer binder are defined so that a film made by the polymerizable compound and the polymer binder has an elastic modulus of 30 g/mm3 or less.
Abstract translation:一种平版印刷版原版,包括:载体; 以及包含聚合引发剂,可聚合化合物和聚合物粘合剂的图像记录层,并且可用至少一种印刷油墨和润版液除去,其中所述可聚合化合物和聚合物粘合剂被定义为使得由 聚合物粘合剂的弹性模量为30g / mm 3以下。