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Epoxy ultraviolet light curing coating

A technology of curing coatings and ultraviolet light, which is applied in the direction of coatings, etc., can solve the problems of water resistance, oil resistance, high and low temperature resistance, etc., and achieve the effect of low viscosity of the resin system, good high and low temperature resistance, and low energy

Active Publication Date: 2018-02-02
张家港衡业特种树脂有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to overcome the problems in the prior art that photocurable coatings are not resistant to high and low temperatures, and the properties of the coating film obtained after curing are relatively brittle, water-resistant and oil-resistant, and provide a coating film that can withstand high and low temperature and obtain coating properties after curing. Tough, water and oil resistant epoxy UV curable coating

Method used

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  • Epoxy ultraviolet light curing coating

Examples

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Effect test

Embodiment 1

[0021] An epoxy UV-curable coating, which consists of the following components in parts by weight: 60 parts of bisphenol A epoxy resin, 15 parts of hydrogenated bisphenol A epoxy resin, and 20 parts of borosilicate modified epoxy resin , 20 parts of glycerol triglycidyl ether, 5 parts of ethoxylated trimethylolpropane triacrylate, 5 parts of triarylsulfonium hexafluoroantimonate, 1 part of azobisisobutyronitrile, benzoin isopropyl 1 part of ether, 2 parts of fluorine-containing acrylate leveling agent.

[0022] The preparation method of described borosilicate modified epoxy resin is as follows:

[0023] (a) There is a three-necked bottle equipped with a constant pressure dropping funnel. At -20°C and under a nitrogen atmosphere, take 10 parts of boric acid, 48 parts of triethylamine, and 50 parts of tetrahydrofuran according to parts by weight and add them to the reaction kettle to fully stir, and then Add 45 parts of dimethylchlorosilane and 50 parts of tetrahydrofuran into ...

Embodiment 2

[0027] An epoxy UV-curable coating, which consists of the following components in parts by weight: 80 parts of bisphenol A epoxy resin, 26 parts of hydrogenated bisphenol A epoxy resin, and 30 parts of borosilicate modified epoxy resin , 35 parts of glycerol triglycidyl ether, 15 parts of ethoxylated trimethylolpropane triacrylate, 8 parts of triarylsulfonium hexafluoroantimonate, 2 parts of azobisisobutyronitrile, benzoin isopropyl 2 parts of ether, 5 parts of fluorine-containing acrylate leveling agent.

[0028] The preparation method of described borosilicate modified epoxy resin is as follows:

[0029] (a) There is a three-necked bottle equipped with a constant pressure dropping funnel. At 0°C and under a nitrogen atmosphere, take 10 parts of boric acid, 52 parts of triethylamine, and 50 parts of anhydrous ether according to parts by weight and add them to the reaction kettle to fully stir, and then Add 50 parts of dimethylchlorosilane and 50 parts of anhydrous ether into...

Embodiment 3

[0033] An epoxy UV-curable coating, which consists of the following components in parts by weight: 65 parts of bisphenol A epoxy resin, 18 parts of hydrogenated bisphenol A epoxy resin, and 20 parts of borosilicate modified epoxy resin , 25 parts of glycerol triglycidyl ether, 5 parts of ethoxylated trimethylolpropane triacrylate, 5 parts of triarylsulfonium hexafluoroantimonate, 1 part of azobisisobutyronitrile, benzoin isopropyl 1 part of ether, 2 parts of fluorine-containing acrylate leveling agent.

[0034] The preparation method of described borosilicate modified epoxy resin is as follows:

[0035] (a) There is a three-necked bottle equipped with a constant pressure dropping funnel. At -10°C and under a nitrogen atmosphere, take 10 parts of boric acid, 50 parts of triethylamine, and 50 parts of dichloromethane in parts by weight and add them into the reaction kettle to fully stir, and then Add 47 parts of dimethylchlorosilane and 50 parts of dichloromethane into the cons...

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Abstract

The invention discloses an epoxy ultraviolet light curing coating which comprises, by weight, 60-80 parts of bisphenol-A epoxy resins, 15-26 parts of hydrogenated bisphenol-A type epoxy resins, 20-30parts of borosilicate modified epoxy resins, 20-35 parts of glycerin triglycidyl ether, 5-15 parts of ethoxylated trimethylolpropane triacrylate, 5-8 parts of triaryl sulfonium hexafluoroantimonate, 1-2 parts of azodiisobutyronitrile, 1-2 parts of benzoin isopropyl ether and 2-5 parts of fluorine-containing acrylic ester flatting agents. The epoxy ultraviolet light curing coating has the advantages that light curing energy is low, a resin system is low, and a cured coating film is high in hardness and good in high-low temperature resistance and toughness.

Description

technical field [0001] The invention relates to a coating, in particular to an epoxy ultraviolet curing coating. Background technique [0002] Over the past few years, UV-curable coatings have grown rapidly in fiber optic coatings, CD coatings / DVD adhesives, credit cards, wood, beverage cans, food packaging, magazine covers, medical devices, and the automotive industry . UV-curable coatings have huge market potential, and their proportion in the entire coating products is increasing year by year. UV-curable coatings are mainly composed of oligomers, monomers, photoinitiators and additives. The main reaction process of UV curing is that the photoinitiator is decomposed by radiation to generate active free radicals to initiate the polymerization and crosslinking of monomers / oligomers. [0003] At present, the resins used in UV curing are basically two types: acrylic resin and epoxy resin. Among them, epoxy resin refers to organic compounds containing two or more epoxy group...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D4/06C09D4/02C09D7/63C08G59/14
Inventor 陈建伟
Owner 张家港衡业特种树脂有限公司