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Printing plate material of containing agent for increasing acid available for computer to carry out plate making directly

A proliferating agent and computer technology, applied in the field of heat-crosslinked computer-to-plate-making plates, can solve the problems of less than 150 sets installed, incomplete resin cross-linking, plate thickness thinning, etc., to improve differential solubility , shorten the post-baking time, reduce the effect of post-baking temperature

Inactive Publication Date: 2007-01-24
CAPITAL NORMAL UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The popularity of computer-to-plate technology in China is very fast, and many newspaper offices and printing factories have introduced it one after another. However, as of March 2004, less than 150 units have been installed.
[0006] However, the acid production rate and acid production amount of the acid production source in the early stage of exposure are often insufficient, resulting in incomplete crosslinking of the resin under the subsequent acid catalysis, resulting in problems such as poor imaging quality, thinner plates, and lower exposure sensitivity.
The sensitivity is low, and infrared sensitivity is difficult. Although there is a high-power infrared laser light source to match it, it becomes a strong technical backing for heat-sensitive plates, but this will affect the life of the laser.

Method used

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  • Printing plate material of containing agent for increasing acid available for computer to carry out plate making directly
  • Printing plate material of containing agent for increasing acid available for computer to carry out plate making directly
  • Printing plate material of containing agent for increasing acid available for computer to carry out plate making directly

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] Weigh soluble phenolic resin, m-cresol resin, latent Bronsted acid salt, and terephthalaldehyde and dissolve them in acetone respectively, and prepare a solution with a certain concentration for later use. The infrared dye was weighed and dissolved in 1-methoxy-2-propanol, and the acid multiplier 1,4-bis(p-toluenesulfonyloxy)cyclohexane was dissolved in dichloromethane, and set aside. The specific preparation process is as follows:

[0031] (1) measure the acetone solution of 10ml 30% resol resin;

[0032] (2) measure the acetone solution of the m-cresol resin of 10ml 30%;

[0033] (3) Take 2.0g iodonium salt and dissolve it in 2ml acetone;

[0034] (4) Take by weighing 1.0g terephthalaldehyde and be dissolved in 2ml acetone;

[0035] (5) Weigh 0.5g infrared absorbing dye and dissolve it in 10ml 1-methoxy-2-propanol solution;

[0036] (6) Weigh 0.5 g of di-p-toluenesulfonic acid-1,4-cyclohexanediester and dissolve it in 2 ml of dichloromethane.

[0037] After the a...

Embodiment 2

[0040] According to the method of Example 1, when configuring the photosensitive solution, use 0.5g ketal compound T 1

[0041]

[0042]Instead of di-p-toluenesulfonic acid-1,4-cyclohexanediester, the solid content of the acid proliferator is 5%. After exposure, post-baking and development, a negative thermal crosslinking computer-to-plate plate material that can be used for printing is obtained. .

Embodiment 3

[0044] According to the method of Example 1, when configuring the photosensitive solution, use 0.5g benzylsulfonate compound T 2

[0045]

[0046] Instead of di-p-toluenesulfonic acid-1,4-cyclohexanediester, the solid content of the acid proliferator is 5%. After exposure, post-baking and development, a negative thermal crosslinking computer-to-plate plate material that can be used for printing is obtained. .

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Abstract

A thermally cross-linked material for directly making plate by computer is composed of plate substrate and photosensitive, layer which contains filming resin, cross-linking agent, light-heat converting agent, acid source, sensitizer and the acidity adding agent which can be catalytically decomposed by itself for nonlinearly generating acid to obtain higher sensitivity. Said plate substrate is the roughened and anodized aluminium plate.

Description

technical field [0001] The invention relates to a computer-to-plate plate material, in particular to a heat-crosslinking computer-to-plate plate material. Background technique [0002] Computer-to-plate-making uses lithography as the main object. This technology refers to inputting various originals (text, images, electronic files, network files) into the computer for processing, without the need for electronic film output, developing, and proofing. , printing and other processes, and the computer directly outputs the graphic information to the printing plate, printing machine, or paper technology. Computer-to-plate technology is a multi-disciplinary high-tech industrial crystallization integrating optical technology, precision machinery, electronic technology, computer technology, automation technology and new printing plate technology. Compared with traditional printing technology, it has the advantages of high quality, high speed and low pollution, and it has great devel...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B41C1/055
Inventor 张存林张阳章鹤龄曹胜利
Owner CAPITAL NORMAL UNIVERSITY