Chromogenic composition, chromogenic curable composition, lithographic printing plate precursor, platemaking method, and chromogenic compound

A lithographic printing plate and composition technology, applied in the field of color-developing compositions, can solve the problems of insufficient visibility, high color-developing properties, etc.

Inactive Publication Date: 2014-11-19
FUJIFILM CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the visibility obtained by this technology is not sufficient compared with the general lithograph

Method used

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  • Chromogenic composition, chromogenic curable composition, lithographic printing plate precursor, platemaking method, and chromogenic compound
  • Chromogenic composition, chromogenic curable composition, lithographic printing plate precursor, platemaking method, and chromogenic compound
  • Chromogenic composition, chromogenic curable composition, lithographic printing plate precursor, platemaking method, and chromogenic compound

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Embodiment

[0375] Hereinafter, although an Example demonstrates this invention in detail, this invention is not limited to these Examples. In addition, in a polymer compound, unless otherwise specified, the molecular weight is a mass average molar mass (Mw), and the ratio of a repeating unit is a molar percentage.

[0376] I. The synthetic method of specific compound of the present invention

[0377] I-1. The synthetic method of intermediate (1)

[0378] [chem 23]

[0379]

[0380] COCl at room temperature for 30 min 2 (20 mass % toluene solution, 69.3g [140mmol]) and the solution of toluene 100g were added dropwise the solution of N-oxide (1) (8.25g [65mmol] and toluene 20g. After the dropwise addition, stirred for 30 minutes, and the resulting The precipitate was washed with toluene and then filtered to obtain 10.6 g [55.9 mmol] of intermediate (1). The yield was 86%.

[0381] The structure of the obtained intermediate 1 was identified by NMR. The identification results are sho...

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Abstract

Provided are: a chromogenic composition and a chromogenic curable composition which highly assume a color upon exposure to light and suffer little color fading after the coloring; and an on-press developable, lithographic printing plate precursor which highly assumes a color upon exposure to light, has high inspectability, and gives a lithographic printing plate having high printing durability. The chromogenic composition is characterized by comprising (A) a radical generator, (B) a compound represented by formula (1), and (C) a binder polymer. The chromogenic curable composition is characterized by further containing (E) a polymerizable compound. The lithographic printing plate precursor has an image-recording layer which comprises the chromogenic curable composition. (In the formula, R1 represents a group which reacts with a radical generated by the radical generator (A), is released, and then becomes a colorant; and T represents a nitrogenous heterocycle.)

Description

technical field [0001] The present invention relates to a color-developing composition exhibiting excellent color development under exposure, a color-developing curable composition, a lithographic printing plate precursor in which the color-developing curable composition is applied to an image recording layer, and a lithographic printing plate precursor using the same Including plate-making methods of on-press development, and new chromogenic compounds. Background technique [0002] A lithographic printing plate generally includes an oleophilic image portion that receives ink during printing, and a hydrophilic non-image portion that receives dampening water. Lithographic printing is: using the property that water and oily ink repel each other, the lipophilic image part of the lithographic printing plate is used as the ink receiving part, and the hydrophilic non-image part is used as the wet water receiving part (ink non-receiving part). ), a method in which a difference in ...

Claims

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Application Information

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IPC IPC(8): C08L101/00B41N1/14C07D211/94C07D277/20C07D277/36C07D401/12C07D417/12C08K5/36G03F7/00G03F7/004G03F7/029G03F7/11
CPCG03F7/029C08L101/00B41C2210/26B41C2201/10B41C2210/22B41C2210/08B41C2210/04B41C2210/24C07D401/12C07D211/94G03F7/00G03F7/0388G03F7/038G03F7/105C07D277/20B41C2201/02B41C1/1016B41N1/14C07D277/36B41C1/10G03F7/11C08K5/378G03F7/004C07D417/12C08K5/38C08K5/39C07F7/1804G03F7/027B41C1/1075B41N3/08
Inventor 中村刚希水野明夫铃木昭太
Owner FUJIFILM CORP
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