Low-temperature photocurable coating composition

A technology of light-curing coatings and compositions, applied in coatings and other directions, can solve problems such as slow speed, and achieve good light-to-heat conversion, excellent mechanical properties, and good energy storage effects

Inactive Publication Date: 2018-01-19
CHENGDU NASHUO TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, in the prior art, the rate of direct curing by light is relatively slow, and many curing initiations require higher temperatures or high-intensity light sources. In order to speed up the curing rate and improve the degree of curing, auxiliary heating is often used in the curing process

Method used

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Examples

Experimental program
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Effect test

Embodiment Construction

[0011] A low-temperature light-curing coating composition, which includes the following components: trimethylolpropane triacrylate, trifluoroethyl acrylate, hydroxypropyl methacrylate, mercaptopropylmethyldimethoxysilane, dilauryl Dibutyltin Acid, Photoinitiator, Nano Silica, Sodium Sulfate Decahydrate.

[0012] in:

[0013] Preferably: in parts by mass, it includes the following components: 10-15 parts of trimethylolpropane triacrylate, 1-3 parts of trifluoroethyl acrylate, 4-8 parts of hydroxypropyl methacrylate, mercaptopropane 1~3 parts of methyl dimethoxysilane, 0.01~0.1 part of dibutyltin dilaurate, 0.1~1 part of photoinitiator, 0.5~1.5 parts of nano silicon dioxide, 0.1~1 part of sodium sulfate decahydrate.

[0014] It is also preferred that the photoinitiator is α-hydroxyalkyl phenone and isophorone diisocyanate.

[0015] Further preferably, the mass ratio of the α-hydroxyalkyl phenone to isophorone diisocyanate is 1~3:2~5.

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PUM

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Abstract

The invention discloses a low-temperature photocurable coating composition. The low-temperature photocurable coating composition comprises the following components: trimethylolpropane triacrylate, trifluoroethyl acrylate, hydroxypropyl methacrylate, mercaptopropyl methyldimethoxysilane, dibutyltin dilaurate, a photoinitiator, nanosilica, and sodium sulfate decahydrate. The low-temperature photocurable coating composition disclosed by the invention is good in curing and excellent in performance, and can be rapidly cured at a low temperature to obtain a coating with excellent mechanical properties.

Description

technical field [0001] The present invention relates to the field of photocurable coatings. Background technique [0002] Photocurable coatings, also known as photosensitive coatings, are usually obtained by using ultraviolet light as the energy source to trigger the reaction of coating components. Photocurable coatings do not need to be heated when used, and can be used on flammable substrates such as paper, plastic, leather and wood. It can quickly solidify into a film, and its curing time is short, the curing temperature is low, and the volatile matter is low, which can save a lot of energy and resources, and is pollution-free and high-efficiency. [0003] However, in the prior art, the rate of direct curing by light is relatively slow, and many curing initiations require higher temperatures or high-intensity light sources. In order to speed up the curing rate and improve the degree of curing, auxiliary heating is often used in the curing process. Contents of the invent...

Claims

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Application Information

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IPC IPC(8): C09D4/02C09D7/61
Inventor 黄波
Owner CHENGDU NASHUO TECH
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