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Free radical polymerization hydrophilic coating material and application of free radical polymerization hydrophilic coating material in preparation of printing plate material

A hydrophilic coating and free radical technology, applied in the field of free radical polymerization hydrophilic coating material and its application in the preparation of printing plates, can solve the problems of easy diffusion of ink and decline in printing quality of printed matter, and achieve Avoid the decline of printing quality, save electricity consumption, and save water consumption

Inactive Publication Date: 2014-07-23
INST OF CHEM CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, most of the current grain treatment methods will make the inkjet printing direct plate-making ink easy to spread, and the printing quality of printed matter will decrease.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] Take 12 g of styrene, 17 g of isopropyl acrylamide, 5 g of benzophenone, and 81 g of aluminum oxide with a particle size of 40 nm, and mix them uniformly to obtain a radical polymerization hydrophilic coating material, and then coat it on the aluminum plate base. UV curing obtains a sand-free printing plate.

Embodiment 2

[0019] Take 21 g of hydroxyethyl methacrylate, 3 g of potassium persulfate, 41 g of silica with a particle size of 200 nm, and 31 g of zinc oxide with a particle size of 200 nm, and mix them uniformly to obtain a radical polymerization hydrophilic coating material, and then coat it on the plastic plate After the substrate is cured, it is cured by ultraviolet light to obtain a sand-free printing plate.

Embodiment 3

[0021] Take 17g of dimethylaminoethyl methacrylate, 15g of isopropylacrylamide, 5g of potassium persulfate, and 81g of titanium dioxide with a particle size of 2000nm, mix them uniformly to obtain a free radical polymerization hydrophilic coating material, and then coat it on the aluminum plate base After the top, it is cured by ultraviolet light to obtain a sand-free printing plate.

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PUM

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Abstract

The invention discloses a free radical polymerization hydrophilic coating material and an application of the free radical polymerization hydrophilic coating material in preparation of a printing plate material. The hydrophilic coating material is composed of 15-45% of double bond monomer, 1-5% of radical initiator, 50-80% of nano level or sub-micron hydrophilic particles. An organic solvent with odour, toxicity and high boiling point is not required by the hydrophilic coating material, volatilization and discharge of the organic solvent into atmosphere can be avoided, so that pollution on atmosphere environment can be prevented. Furtherly, great damage on body health and nerve system of staff for producing the plate material due to long-term contact of the organic solvent can be avoided. According to the printing plate material, graining treatment is not required for the plate substrate, printing quality decrease of the printed matters due to easy diffusion of ink can be effectively avoided, simultaneously, the pollution on the environment by waste acid and spent lye generated by electrolysis and oxidation on the aluminum plates can be avoided, water consumption can be saved by 70%, and the power consumption can be saved by 70%.

Description

Technical field [0001] The invention belongs to the technical field of printing plate preparation, and specifically relates to a radical polymerization hydrophilic coating material and its application in printing plate preparation. Background technique [0002] The printing industry is one of the industries that have an important impact on my country's national economy. Previously, my country's printing and plate-making process was based on the principle of photosensitive imaging, similar to the traditional film photography process, requiring exposure, washing and other processing processes and light-proof operations, which caused great environmental pollution and waste of resources. In order to accelerate the implementation of the green printing strategy and promote the transformation of the development mode of my country's printing industry, the development and promotion of environmentally friendly advanced printing technologies and materials has become the mainstream direction...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D11/101
Inventor 沙栩正杨明宋延林
Owner INST OF CHEM CHINESE ACAD OF SCI