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Preparation method for light sensitive planographic printing plate material

A technology for lithographic printing and plate materials, which is applied in the coating solution of photosensitive lithographic printing plates and the preparation of photosensitive lithographic printing plates, and can solve problems such as poor practicability, scratches on the back of plates, and hidden dangers of infrared radiation devices.

Active Publication Date: 2007-10-31
LUCKY HUAGUANG GRAPHICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to factors such as the heat roller device may scratch the back of the plate and the infrared radiation device has hidden dangers, the practicability is poor

Method used

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  • Preparation method for light sensitive planographic printing plate material
  • Preparation method for light sensitive planographic printing plate material
  • Preparation method for light sensitive planographic printing plate material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] The present invention includes a drying method mainly adopting five stages: the drying part can be divided into five parts: one stage of drying, two stages of drying, three stages of drying, four stages of drying, and five stages of drying. Negative pressure control is adopted in the first drying section, and the dry waste gas is adsorbed and recovered by an activated carbon fiber device; the first drying section is the leveling section of the coating liquid, the drying temperature is controlled at 60°C, and the drying time is 12 seconds; the drying second section Negative pressure control is adopted in one section, and the negative pressure control is 10mmHg; the second drying section is a pre-drying section, and the drying temperature for preparing PS plates is controlled at 100°C, and the drying time is controlled at 30 seconds; for preparing CTP plates, the drying temperature is controlled at 110°C , the time control is 30 seconds. The third section of drying is the...

Embodiment 2

[0024]The present invention includes a drying method mainly adopting five stages: the drying part can be divided into five parts: one stage of drying, two stages of drying, three stages of drying, four stages of drying, and five stages of drying. Negative pressure control is adopted in the first drying section, and the dry waste gas is adsorbed and recovered by an activated carbon fiber device; the first drying section is the leveling section of the coating liquid, the drying temperature is controlled at 70°C, and the drying time is 10 seconds; the drying second section Negative pressure control is adopted in one section, and the negative pressure control is 20mmHg; the second drying section is a pre-drying section, and the drying temperature for preparing PS plates is controlled at 110°C, and the drying time is controlled at 20 seconds; for preparing CTP plates, the drying temperature is controlled at 120°C , the time control is 20 seconds. The third section of drying is the ...

Embodiment 3

[0028] The present invention includes a drying method mainly adopting five stages: the drying part can be divided into five parts: one stage of drying, two stages of drying, three stages of drying, four stages of drying, and five stages of drying. Negative pressure control is adopted in the first drying section, and the dry waste gas is adsorbed and recovered by an activated carbon fiber device; the first drying section is the leveling section of the coating liquid, the drying temperature is controlled at 80°C, and the drying time is 6 seconds; the drying second section Negative pressure control is adopted in one section, and the negative pressure control is 30mmHg; the second drying section is a pre-drying section, and the drying temperature for the preparation of PS plates is controlled at 120°C, and the time is controlled for 15 seconds; for the preparation of CTP plates, the drying temperature is controlled at 130°C , the time control is 15 seconds. The third section of dr...

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Abstract

This invention discloses one light sensor print materials process method, which adopts five phases drying method, wherein the dry part is for dry one, dry two till five; the sensor plane print materials uses different dry temperature and time control in different dry section to process sensor plane print board by this method. Through above light print board this method is for the print board with good quality.

Description

technical field [0001] The invention relates to a drying method for preparing a photosensitive lithographic plate, and a coating solution for a photosensitive lithographic plate suitable for the drying method. Specifically, it relates to a preparation method of a photosensitive lithographic printing plate. Background technique [0002] Both the PS plate and the thermal CTP plate are lithographic printing plates. The PS plate uses the printing film mask exposure to realize the formation of the graphic on the lithographic plate, and the heat-sensitive CTP plate directly outputs the graphic from the computer to the lithographic plate. The manufacture of PS plate and thermal CTP plate is a lithographic printing plate made by coating the prefabricated photosensitive liquid on the hydrophilized plate base and drying it. The quality of lithographic printing plates is not only related to its photosensitive performance, but also closely related to its apparent quality. [0003] Ge...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G03F7/38G03F7/16G03F7/00
Inventor 刘伟藤方迁门红伟冯磊孔祥丽
Owner LUCKY HUAGUANG GRAPHICS
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