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UV (ultraviolet) paper varnish and preparation method thereof

A photoinitiator, selected technology, used in papermaking, textiles, papermaking, coating, etc., can solve the problems of large solvent volatilization and high energy consumption

Inactive Publication Date: 2013-04-03
HANGZHOU INST OF ADVANCED MATERIAL BEIJING UNIV OF CHEM TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Aiming at the problems of large solvent volatilization and high energy consumption in traditional solvent-based varnishes, the present invention provides a UV paper coating with reasonable formula, high gloss, low volatility, energy saving and environmental protection, convenient use and high production efficiency. Glazing oil and its preparation method

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] 20kg of epoxy acrylate, 50kg of HG-R301A, 5kg of methyldiethanolamine, 2.5kg of benzophenone, 0.5kg of 2-hydroxy-2-methyl-1-phenyl- After mixing 1-acetone and 0.1 kg of BYK301, stir at high speed until the mixed solution is fully dissolved, then lower the temperature and cool to obtain UV paper varnish.

Embodiment 2

[0018] Mix 50kg of cyclic urethane acrylate, 70kg of HG-R401A, 7.5kg of methyldiethanolamine, 4.5kg of benzophenone, 4.5kg of 1-hydroxycyclohexyl phenyl ketone and 0.5kg of BYK301 at 60~70℃ Finally, stir at a high speed until the mixed solution is fully dissolved, and cool down to obtain UV paper varnish.

Embodiment 3

[0020] 30 kg polyester acrylate, 30 kg HG-R401A, 50 kg HG-R301A, 7.1 kg methyldiethanolamine, 2 kg benzophenone, 1 kg 2-hydroxy-2-methyl - After mixing 1-phenyl-1-propanone and 1.0 kg BYK301, stir at high speed until the mixed solution is fully dissolved, cool down to obtain UV paper varnish.

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Abstract

The invention relates to a UV (ultraviolet) paper varnish and a preparation method thereof. The UV paper varnish comprises the following components in percentage by weight: 20-50% of acrylic resin, 50-80% of diluent monomers, 5-10% of activated amine, 3-9% of a light initiator and 0.1-1% of a flatting agent, wherein the acrylic resin is selected from epoxy acrylate, urethane acrylate or polyester acrylate; the activated amine is selected from methyldiethanolamine; the light initiator is selected from one of diphenyl ketone and 2-hydroxy-2-methyl-1-phenyl-1-acetone or 1-hydroxy-cyclohexyl phenyl ketone and used through compounding, and the mass ratio of the diphenyl ketone to another light initiator is (1-5):1; and the flatting agent is selected from BYK301 produced by Germany BYK. The UV paper varnish disclosed by the invention has the advantages of simple production process, good wear resistance, low volatile matter content, energy conservation, environmental protection, and stable product quality.

Description

technical field [0001] The invention relates to a UV paper varnish and a preparation method thereof, which is used for glazing various paper packages such as cigarette labels, wine labels, books and magazines, and belongs to the technical field of chemical industry. Background technique [0002] The so-called printing glazing is to print the varnish once or twice with a solid printing plate or a graphic printing plate on the surface of the replica that has completed the graphic printing, so that the surface of the printed matter can obtain a bright VU film. Printing glazing can enhance the light fastness of the ink, increase the heat resistance and moisture resistance of the ink layer, and play the role of protecting imprinted beautification products instead of lamination. [0003] UV varnish is a method of curing glazing paint by UV (abbreviation for Ultra Viole, ie ultraviolet light) irradiation. With the characteristics of fast curing and low temperature curing of coatin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D163/10C09D175/14C09D167/06C09D7/12D21H21/14
Inventor 聂俊路健宋国强包容马贵平杨冬芝
Owner HANGZHOU INST OF ADVANCED MATERIAL BEIJING UNIV OF CHEM TECH
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