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Curable composition, original plate for lithographic printing plates, and method for manufacturing lithographic printing plate

A curable composition and bonding technology, used in lithographic printing equipment, printing, printing processes, etc., can solve the problems of insufficient plate inspection and difficulty in confirming images.

Inactive Publication Date: 2019-04-02
FUJIFILM CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] On the other hand, in the on-press development type or non-processing (non-development) type lithographic printing plate precursor that is not subjected to the usual development treatment, it is difficult to confirm the lithography on the lithographic printing plate precursor at the stage of mounting the lithographic printing plate precursor to the printing machine. image and cannot be adequately checked

Method used

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  • Curable composition, original plate for lithographic printing plates, and method for manufacturing lithographic printing plate
  • Curable composition, original plate for lithographic printing plates, and method for manufacturing lithographic printing plate
  • Curable composition, original plate for lithographic printing plates, and method for manufacturing lithographic printing plate

Examples

Experimental program
Comparison scheme
Effect test

no. 1 approach

[0090] Embodiment 1: Contains a specific infrared absorber, a polymerizable compound, and a polymerization initiator

no. 2 approach

[0091] Second Embodiment: Contains Specific Infrared Absorber and Hot Fusible Particles

[0092] Hereinafter, each component contained in the curable composition of 1st Embodiment is demonstrated first.

[0093] (first embodiment)

[0094]

[0095] The curable composition of the first embodiment contains a specific infrared absorber.

[0096] The specific infrared absorber according to the present disclosure has a property that a product of a chemical reaction caused by heat or infrared energy is a highly recognizable color body. In this specification, color development means that after heating or infrared exposure, the coloring in the visible light region is stronger than before heating or infrared exposure, or the absorption is shortened in wavelength to have absorption in the visible light region.

[0097] That is, the specific infrared absorber is a chemical reaction caused by heat or infrared exposure, which increases or shortens the absorption in the visible light re...

Embodiment

[0478] Hereinafter, although an Example demonstrates this indication in detail, this invention is not limited to this. In addition, among high molecular compounds, except for the specified high molecular compounds, the molecular weight is the weight average molecular weight (Mw) which is a polystyrene conversion value obtained by gel permeation chromatography (GPC), and the ratio of the repeating unit is the molar percentage. . In addition, "parts" and "%" mean "parts by mass" and "% by mass" unless otherwise specified.

[0479] Since the weight-average molecular weight is a more commonly used name, please specify when the assumption is changed to the weight-average molecular weight, but if you want to use the mass average as the preferred and unify it as "mass-average molar mass".

[0480] Synthesis examples of compound A according to the present disclosure are described below. Other specific infrared absorbers can also be synthesized by the same method by appropriately cha...

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Abstract

A curable composition containing an infrared ray absorbent that has at least one element belonging to Group-XIII on a periodic table on the mother nucleus structure thereof and also having a linear polymethine structure in which at least two heteroatoms are bonded to carbon atoms other than a meso-position carbon atom; an original plate for lithographic printing plates, which is manufactured usingthe curable composition; and a method for manufacturing a lithographic printing plate using the original plate for lithographic printing plates are provided by the invention.

Description

technical field [0001] The invention relates to a curable composition, a lithographic printing plate precursor and a method for manufacturing the lithographic printing plate. Background technique [0002] In general, a lithographic printing plate consists of an oleophilic image portion that receives ink during printing and a hydrophilic non-image portion that receives fountain solution. Lithographic printing is a method in which the lipophilic image portion of a lithographic printing plate is used as an ink receiving portion and the hydrophilic non-image portion is used as a fountain solution receiving portion (ink non-receiving portion) by utilizing the property that water and oily ink repel each other. , Poor adhesion of the ink occurs on the surface of the lithographic printing plate, and the ink is only applied to the image portion, and then the ink is transferred to a printed object such as paper for printing. [0003] Currently, image exposure using a CTP (Computer-to...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B41N1/00C08F2/44C08F4/00C08K5/00
CPCC08F2/44C08F4/00C08K5/00B41C1/1008B41C2210/04B41C2210/08B41C2210/22C08F220/60C08F220/606B41N1/14C08F2800/10C08F2800/20C08K5/55G03F7/0042G03F7/2006G03F7/32
Inventor 石地洋平
Owner FUJIFILM CORP