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Water-based ultraviolet curing coating

A technology of curing paint and ultraviolet light, which is applied in the field of paint, can solve the problems of exposed wood corrosion, reduce wood durability, yellowing of paint film, etc., and achieve the effect of increasing service life, improving durability and light resistance

Inactive Publication Date: 2014-01-01
展辰新材料集团股份有限公司 +4
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Existing water-based UV-curable coatings will quickly yellow and pulverize due to exposure to outdoor sunlight; if water-based UV-curable coatings are used on wood, it will also cause exposed wood corrosion, thereby reducing the durability of wood

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] Formula: 65 parts of water-based UV curing resin, 8 parts of water-based reactive diluent, 0.3 parts of wetting agent, 10 parts of talcum powder, 8 parts of transparent powder, 1 part of anti-settling agent, 2 parts of photoinitiator, 2 parts of water, 0.3 parts of defoaming agent, 0.3 parts of leveling agent, 0.2 parts of bactericide, 2 parts of EVERSORB SB1 ultraviolet light absorber, 1 part of EVERSORB AQ1 ultraviolet light absorber, 0.3 part of pH regulator.

[0035] The water-based UV-curable resin is CN9245 (100% solid content) from Sartomer Company, the water-based reactive diluent is hydroxyethyl methacrylate (HEMA) from Miki Company, the wetting agent is TEGOWet280 from Evonik, Germany, and talc The powder is TP-1250 talcum powder produced by Guangxi Guihua Chemical Technology Co., Ltd., the transparent powder is TM-2600 transparent powder produced by Housheng Chemical (Zhongshan) Co., Ltd., and the anti-settling agent is A200 gas phase dioxide produced by Evoni...

Embodiment 2

[0039] Formula: 85 parts of water-based UV curing resin, 3 parts of water-based reactive diluent, 0.3 parts of wetting agent, 5 parts of talcum powder, 3 parts of transparent powder, 0.5 parts of anti-settling agent, 1 part of photoinitiator, 1 part of water, 0.3 parts of defoamer, 0.3 parts of leveling agent, 0.2 parts of bactericide, 1 part of EVERSORB SB1 ultraviolet light absorber, 2 parts of EVERSORB AQ1 ultraviolet light absorber, 0.3 part of pH regulator.

[0040] The water-based UV-curable resin is Bayer’s solvent-free Bayhydrol® UV XP2775, the water-based reactive diluent is hydroxyethyl acrylate (HEM) from Miki Company, the wetting agent is TEGOWet270 from Evonik, Germany, and the talcum powder is Guangzhou Shen Peng Chemical Company TP-1500 talcum powder, the transparent powder is TM-2600 transparent powder produced by Housheng Chemical (Zhongshan) Co., Ltd., and the anti-settling agent is M-5 fumed silica produced by American Cabot (CABOT). The photoinitiator is RU...

Embodiment 3

[0044] Formula: 75 parts of water-based UV curing resin, 5 parts of water-based reactive diluent, 0.3 parts of wetting agent, 5 parts of talcum powder, 10 parts of transparent powder, 0.8 parts of anti-settling agent, 1.5 parts of photoinitiator, 1 part of water, 0.3 parts of defoaming agent, 0.3 parts of leveling agent, 0.2 parts of bactericide, 1.5 parts of EVERSORB SB1 UV absorber, 1.5 parts of EVERSORB AQ1 UV absorber, and 0.3 parts of pH regulator.

[0045] The water-based UV-curable resin is Bayer’s solvent-free Bayhydrol® UV 2792XP, the water-based reactive diluent is hydroxyethyl methacrylate (HEMA) from Miki Company, the wetting agent is TEGOWet280 from Evonik, Germany, and the talcum powder is The TP-1250 talcum powder produced by Guangxi Guihua Chemical Technology Co., Ltd., the transparent powder is TM-2600 transparent powder produced by Housheng Chemical (Zhongshan) Co., Ltd., and the anti-settling agent is A200 fumed silica produced by Evonik, Germany. The photoi...

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Abstract

The invention discloses a water-based ultraviolet curing coating including the following components in parts by weight: 65 to 85 parts of a water-based ultraviolet curing resin, 3 to 10 parts of a water-based reactive diluent, 1 to 3 parts of a photoinitiator, 1 to 2 parts of water, and 1 to 4 parts of an ultraviolet absorber. The water-based ultraviolet curing coating can be directly diluted with water, can be used for spray coating and roller coating, has the hardness which can reach more than 2 H, effectively improves durability and light fastness of light colored wooden wares transparently coated with the water-based ultraviolet curing coating, has excellent environmental protection performance and high construction efficiency, is suitable for coating of outdoor wooden ware products, and improves the service life period of the outdoor wooden ware products.

Description

technical field [0001] The invention relates to a coating, in particular to an ultraviolet curing water-based ultraviolet curing coating used on furniture. Background technique [0002] Solvent-based coatings, after long-term development, have high decorative properties, durable protection, and multi-functionality; however, organic solvents volatilize and cause environmental pollution. Most organic solvents are toxic to humans, animals, organisms, and even plants. With the enhancement of people's awareness of environmental protection, water-based coatings are developing rapidly in our country. However, compared with solvent-based coatings, the existing water-based coatings still have problems such as low hardness, poor fullness, high-temperature stickiness, etc., and the construction and drying time is long, which is not suitable for the large-scale production needs of large furniture enterprises. [0003] Combining water-based coatings and light-curing coating technologies...

Claims

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Application Information

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IPC IPC(8): C09D175/14C09D5/14C09D7/12
Inventor 王琦陈寿生
Owner 展辰新材料集团股份有限公司
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