Lithographic printing plate precursor, method for manufacturing lithographic printing plate, and lithographic printing method

A technology of lithographic printing plate and original plate, which is applied in the direction of lithographic printing equipment, general parts of printing machinery, printing, etc., to achieve the effect of excellent brush resistance

Active Publication Date: 2021-10-01
FUJIFILM CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Also, due to increased concern for the global environment, environmental problems related to waste liquids associated with wet processing such as development processing have become apparent
[0005] Regarding the above environmental problems, point to the simplification or non-processing of developing or plate making

Method used

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  • Lithographic printing plate precursor, method for manufacturing lithographic printing plate, and lithographic printing method
  • Lithographic printing plate precursor, method for manufacturing lithographic printing plate, and lithographic printing method
  • Lithographic printing plate precursor, method for manufacturing lithographic printing plate, and lithographic printing method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1～ Embodiment 13 and comparative example 1～ comparative example 4

[0476]

[0477] On the supports described in Table 3, the dry coating amount was 20 mg / m 2 An undercoat layer coating solution (1) having the following composition was applied in the same manner as in the following manner to form an undercoat layer.

[0478] -Undercoat coating liquid (1)-

[0479] ・Polymer (P-1) [structure below]: 0.18 parts

[0480] · Hydroxyethyliminodiacetic acid: 0.10 parts

[0481] ·Water: 61.4 parts

[0482] [chemical formula 17]

[0483]

[0484]

[0485] The lithographic printing plate precursors of Examples 1 to 13 and Comparative Examples 1 to 4 were prepared by the following methods.

[0486] Each image recording layer coating liquid (solid content concentration: 6% by mass) described in Table 3 was bar-coated on the undercoat layer, and dried at 120° C. for 40 seconds to form a dry coating amount of 1.0 g. / m 2 image recording layer.

[0487] If necessary, bar-coat the protective layer coating solution of the above composition on the ...

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Abstract

Provided is a lithographic printing plate precursor that has a support body and an image recording layer disposed on the support body. The image recording layer contains organic particles including a resin that has a structural unit A having a cation site and a structural unit B having an anion site. Also provided is a method for manufacturing a lithographic printing plate that uses said lithographic printing plate precursor.

Description

technical field [0001] The invention relates to a lithographic printing plate original plate, a method for making a lithographic printing plate and a lithographic printing method. 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-accepting portion) by utilizing the mutual repulsion of water and oil-based ink, A difference in ink adhesion is caused on the surface of a lithographic printing plate to allow ink to adhere only to an image portion, and then the ink is transferred to a printed material such as paper to perform printing. [0003] In order to prepare such a lithographic ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B41N1/14B41C1/10B41M1/06G03F7/00G03F7/004G03F7/11
CPCB41C2210/22B41C2210/08B41C2210/04B41C1/1016B41C1/1008C08F220/603B41C2201/02B41C2210/24B41F23/02B41M1/06C08F212/08C08F220/06C08F220/44G03F7/038G03F7/11B41N1/14
Inventor 榎本和朗荒木健次郎
Owner FUJIFILM CORP
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