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Fast-drying type ultraviolet curing paint

A UV light and quick-drying technology, applied in the field of coatings, can solve the problems of consuming free radicals, slow curing speed, and affecting polymerization reactions, etc., and achieve the effects of low radiation energy, reduced energy efficiency, and high condensation content

Active Publication Date: 2017-03-08
江苏扬瑞新型材料股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there is a serious phenomenon of oxygen inhibition in the existing UV curing system. Oxygen inhibition refers to the phenomenon that free radicals are consumed due to the presence of oxygen in the free radical photopolymerization system, which affects the polymerization reaction.
When the photopolymerization system is cured in the air, the oxygen in the air will make the photo-cured surface not completely cured and sticky, which seriously affects the overall performance of the material after photo-curing, especially the large volume shrinkage after curing affects the adhesion and hardness. And other issues
The photoinitiators commonly used in the existing UV curing, such as 1173, etc., due to the slow curing speed, further aggravate the occurrence of oxygen inhibition

Method used

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  • Fast-drying type ultraviolet curing paint
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  • Fast-drying type ultraviolet curing paint

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] A kind of ultraviolet curable paint, is made up of the component of following percentage by weight:

[0035] Fatty acid modified bisphenol A epoxy acrylate 22%; difunctional aliphatic polyurethane acrylate resin 23%; tetrahydrofurfuryl methacrylate 13%; N-vinylpyrrolidone 14%; allyl glycidyl ether 14% ; Photoinitiator 0.7%; BYK35 40.5%; BYK141 0.5%; Tego 710 0.5%; supplemented to 100% with isobutanol.

Embodiment 2

[0037] A kind of ultraviolet curable paint, is made up of the component of following percentage by weight:

[0038] Fatty acid modified bisphenol A epoxy acrylate 20%; difunctional aliphatic polyurethane acrylic resin 24%; tetrahydrofurfuryl methacrylate 11%; N-vinylpyrrolidone 15%; allyl glycidyl ether 15% ; Photoinitiator 1%; BYK354 0.5%; BYK141 0.5%; Tego 710 0.5%; supplemented to 100% with n-butanol.

Embodiment 3

[0040] A kind of ultraviolet curable paint, is made up of the component of following percentage by weight:

[0041] Fatty acid modified bisphenol A epoxy acrylate 24%; difunctional aliphatic polyurethane acrylate resin 18%; tetrahydrofurfuryl methacrylate 15%; N-vinylpyrrolidone 13%; allyl glycidyl ether 12% ; Photoinitiator 0.5%; BYK35 40.5%; BYK141 0.5%; Tego 710 0.5%; supplemented to 100% with butyl acetate.

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Abstract

The invention relates to the field of paint, in particular to fast-drying type ultraviolet curing paint. The fast-drying type ultraviolet curing paint is prepared from components in percentage by weight as follows: 20%-25% of fatty acid modified bisphenol-A epoxy acrylate, 17%-30% of bifunctional aliphatic polyurethane acrylic resin, 35%-45% of active monomers, 0.5%-1% of a photoinitiator, 0.5%-2.5% of a functional agent and the balance of a diluent. The novel photoinitiator is adopted and matched with corresponding resin and monomers, so that the paint has higher gel content, strength and adhesion after photocuring.

Description

technical field [0001] The invention relates to the field of coatings, in particular to a quick-drying ultraviolet light curing paint. Background technique [0002] UV curing is a polymer material in which the photosensitive resin system undergoes polymerization and crosslinking under the irradiation of ultraviolet light to form a three-dimensional network. UV curing technology is known as green technology, which has the advantages of energy saving, environmental protection, high efficiency and multi-function. With the increasing emphasis on environmental protection and the advancement of science and technology, the UV curing market has developed rapidly. UV curing technology has been widely used in coatings, adhesives, inks, electronic packaging, tooth restoration, lithography imaging and biomedicine and other fields. [0003] In the UV curable resin system, the photoinitiator plays a decisive role in the curing of the prepolymer. It is stimulated by ultraviolet radiatio...

Claims

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Application Information

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IPC IPC(8): C09D163/10C09D175/14C09D7/12C08F2/48
CPCC08F2/48C09D7/40C09D163/10C09D175/14C08L75/14C08L63/10
Inventor 徐伟明
Owner 江苏扬瑞新型材料股份有限公司
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