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Electronic beam cured paper packaging gloss oil and curing method of printed coating

An electron beam curing and printing coating technology, applied in coatings, polyester coatings, polyether coatings, etc., can solve problems such as containing and affecting human health.

Inactive Publication Date: 2019-04-23
CGN DASHENG ELECTRON ACCELERATOR TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to solve the problem that the coating of printed and packaged products contains photoinitiators, which affects human health, and provides a method for curing paper packaging varnish and printed coating with electron beams

Method used

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  • Electronic beam cured paper packaging gloss oil and curing method of printed coating
  • Electronic beam cured paper packaging gloss oil and curing method of printed coating
  • Electronic beam cured paper packaging gloss oil and curing method of printed coating

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] First, the parts by weight are respectively 5 parts of epoxy acrylate, 40 parts of dipropylene glycol diacrylate (DPGDA), 25 parts of hydroxyethyl acrylate (HEA), and 10 parts of matting aids are mixed uniformly to obtain electron beam curable varnish ; Secondly, the water-based ink is printed on the substrate, and the ultraviolet light is applied to irradiate and cure the ink to obtain a cured ink layer. The cured ink layer is not completely cured due to the influence of ultraviolet light reflection and refraction, and a layer of transparent coating is required. layer to protect the cured ink layer; finally, a layer of electron beam cured varnish is coated on the cured ink layer of the substrate, and an electron accelerator is used to irradiate the printed substrate with an oxygen concentration range of 0.5 to 1000ppm. layer, to obtain a cured printing coating, and to prepare a printed proof of the substrate. The control of the oxygen concentration is realized by passi...

Embodiment 2

[0030] First, mix 8 parts by weight of epoxy acrylate, 43 parts of dipropylene glycol diacrylate (DPGDA), 27 parts of hydroxyethyl acrylate (HEA), and 12 parts of matting aids to obtain electron beam curable varnish ; Secondly, the water-based ink is printed on the substrate, and the ultraviolet light is applied to irradiate and cure the ink to obtain a cured ink layer. The cured ink layer is not completely cured due to the influence of ultraviolet light reflection and refraction, and a layer of transparent coating is required. layer to protect the cured ink layer; finally, a layer of electron beam cured varnish is coated on the cured ink layer of the substrate, and an electron accelerator is used to irradiate the printed substrate with an oxygen concentration range of 0.5 to 1000ppm. layer, to obtain a cured printing coating, and to prepare a printed proof of the substrate. The control of the oxygen concentration is realized by passing high-purity nitrogen gas into the electr...

Embodiment 3

[0032] First, mix 11 parts by weight of epoxy acrylate, 47 parts of dipropylene glycol diacrylate (DPGDA), 28 parts of hydroxyethyl acrylate (HEA), and 14 parts of matting aids to obtain electron beam curable varnish ; Secondly, the water-based ink is printed on the substrate, and the ultraviolet light is applied to irradiate and cure the ink to obtain a cured ink layer. The cured ink layer is not completely cured due to the influence of ultraviolet light reflection and refraction, and a layer of transparent coating is required. layer to protect the cured ink layer; finally, a layer of electron beam cured varnish is coated on the cured ink layer of the substrate, and an electron accelerator is used to irradiate the printed substrate with an oxygen concentration range of 0.5 to 1000ppm. layer, to obtain a cured printing coating, and to prepare a printed proof of the substrate. The control of the oxygen concentration is realized by passing high-purity nitrogen gas into the elect...

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Abstract

The invention provides electronic beam cured paper packaging gloss oil and a curing method of a printed coating. The electronic beam cured gloss oil comprises unsaturated acrylate, polyfunctional acrylate monomers, monofunctional acrylate monomers and extinction additive components. The electron beam curing gloss oil is obtained by uniformly mixing the unsaturated acrylate, polyfunctional acrylatemonomers, monofunctional acrylate monomers and extinction additive components. The function of the electron beam curing gloss oil is to protect an ink layer, and the electron beam curing gloss oil does not contain photoinitiators, so that a printing sample after the the electron beam curing gloss oil is cured does not contain photoinitiators, and the harm of the printed coating on human health isavoided. In addition, an electron accelerator irradiation curing process has no influence on color, and the curing at normal temperature can ensure that a printed stock is not deformed during the processing.

Description

technical field [0001] The invention relates to the field of ink, in particular to an electron beam curing method for curing paper packaging varnish and printing coating. Background technique [0002] With the improvement of people's living standards, personal health has become an aspect that people are very concerned about. Less exposure to toxic and harmful substances is a very effective way to ensure personal health. Tobacco, food and other packaging materials are frequently in contact with people. They should be prepared in accordance with regulations and standards to make the materials more in line with the circular economy and minimize the generation of waste materials. Printing ink is a widely used material for packaging materials. Almost all packaging is inseparable from printing ink, but printing ink contains toxic and harmful chemicals, including heavy metals, residual solvents, organic volatiles, and polycyclic aromatic hydrocarbons. These toxic and harmful subst...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D163/10C09D167/06C09D175/14C09D171/00C09D7/63B05D7/24B05D3/06
CPCB05D3/068B05D7/24B05D2502/00C09D7/63C09D163/10C09D167/06C09D171/00C09D175/14
Inventor 陈川红罗洪文朱焕铮季左封玉龙梁伟扬王平
Owner CGN DASHENG ELECTRON ACCELERATOR TECH
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