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Electron beam cured high-wear-resistant scratch-resistant white coating and preparation method and construction method thereof

A technology of electron beam curing and high wear resistance, applied in the field of coatings, it can solve the problems of poor coating adhesion, insufficient curing, residual photoinitiator, etc., and achieve excellent hiding power, good wear resistance, and excellent scratch resistance. Effect

Active Publication Date: 2019-06-18
中山易必固电子束科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The white paint in the prior art mostly adopts ultraviolet light curing method. If the concentration of color paste in the paint is relatively high, especially when the coating is thick, it is difficult for ultraviolet light to penetrate the bottom, resulting in insufficient curing, and It will also lead to poor adhesion between coatings; and in the case of low concentration of color paste, UV curing is used, although it can be cured relatively completely, but the covering power is not enough
And to achieve good hiding power, the existing technology is to use multiple coatings of white primer combined with white topcoat (the proportion of titanium dioxide in the topcoat is low) or varnish to achieve good hiding power, which leads to The construction process of the white paint in the prior art is complex and the production cost is high
[0003] In addition, the prior art uses ultraviolet light to cure white (or other color) coatings, and the photoinitiator in the coating often appears to remain or migrate, resulting in the problem of poor yellowing in the later stage

Method used

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  • Electron beam cured high-wear-resistant scratch-resistant white coating and preparation method and construction method thereof
  • Electron beam cured high-wear-resistant scratch-resistant white coating and preparation method and construction method thereof
  • Electron beam cured high-wear-resistant scratch-resistant white coating and preparation method and construction method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] The highly wear-resistant and scratch-resistant white coating of a kind of electron beam curing of the present embodiment comprises the following components by weight: white slurry 600.0g, hexafunctional urethane acrylate UX-5400W 150.0g, trimethylolpropane triacrylic acid 174.0 g of ester, 50.0 g of dipentaerythritol hexaacrylate, 5.0 g of dispersant BYK163, 20.0 g of polyether-modified dimethylsiloxane BYKUV3510, and 1.0 g of defoamer BYK055.

[0042]Among them, the white slurry includes the following raw materials in terms of mass percentage: 60% of titanium dioxide, 15% of modified polyester acrylate 6342, 15% of trimethylolpropane triacrylate, 6% of hexanediol diacrylate, and dispersant BYK163 4%.

[0043] Wherein, titanium dioxide is rutile titanium dioxide; the grain size of rutile titanium dioxide in the present embodiment is 0.3 μm, specific gravity 4.0g / cm 3 .

[0044] The preparation method of the high wear-resistant and scratch-resistant white coating of a...

Embodiment 2

[0049] The highly wear-resistant and scratch-resistant white paint of a kind of electron beam curing of the present embodiment comprises the following components by weight: white slurry 620.0g, hexafunctional urethane acrylate UX-5400W 160.0g, trimethylolpropane triacrylic acid 154.0 g of ester, 40.0 g of dipentaerythritol hexaacrylate, 5.0 g of dispersant BYK163, 20.0 g of polyether-modified dimethylsiloxane BYKUV3510, and 1.0 g of defoamer BYK055.

[0050] Among them, the white slurry includes the following raw materials in terms of mass percentage: 50% titanium dioxide, 20% modified polyester acrylate 6342, 20% trimethylolpropane triacrylate, 8% hexanediol diacrylate, dispersant BYK163 2%.

[0051] Wherein, titanium dioxide is rutile titanium dioxide; the grain size of rutile titanium dioxide in the present embodiment is 0.2 μm, specific gravity 3.0g / cm 3 .

[0052] The preparation method of the high wear-resistant and scratch-resistant white coating of above-mentioned a ...

Embodiment 3

[0057] The highly wear-resistant and scratch-resistant white coating of a kind of electron beam curing of the present embodiment comprises the following components by weight: white slurry 650.0g, hexafunctional urethane acrylate UX-5400W 130.0g, trimethylolpropane triacrylic acid 149.0 g of ester, 45.0 g of dipentaerythritol hexaacrylate, 5.0 g of dispersant BYK163, 20.0 g of polyether-modified dimethylsiloxane BYKUV3510, and 1.0 g of defoamer BYK055.

[0058] Among them, the white slurry includes the following raw materials in terms of mass percentage: 70% of titanium dioxide, 10% of modified polyester acrylate 6342, 10% of trimethylolpropane triacrylate, 5% of hexanediol diacrylate, and dispersant BYK163 5%.

[0059] Wherein, titanium dioxide is rutile titanium dioxide; the grain size of rutile titanium dioxide in the present embodiment is 0.4 μm, specific gravity 5.0g / cm 3 .

[0060] The preparation method of the high wear-resistant and scratch-resistant white coating of ...

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Abstract

The invention relates to the technical field of coatings, in particular to an electron beam cured high-wear-resistant scratch-resistant white coating and a preparation method and a construction methodthereof. The electron beam cured high-wear-resistant scratch-resistant white coating comprises white slurry, urethane acrylate with six functional groups, trimethylolpropane triacrylate, dipentaerythritol hexaacrylate, a dispersing agent, polyether modified dimethyl siloxane and a defoaming agent. The preparation method of the electron beam cured high-wear-resistant scratch-resistant white coating comprises the following steps: first step, preparing white slurry; and second step, preparing the white coating. The electron beam cured high-wear-resistant scratch-resistant white coating has the characteristics of being high in color paste concentration, excellent in hiding power, capable of avoiding the fact that a white primer coats for many times and is combined to a white finish paint or varnish to achieve a good hiding power effect, capable of enabling a cured white coating layer to be better in yellowing property, high in hardness, wear-resistant, scratch-resistant, good in yellowingproperty, good in adhesive force, good in leveling property and the like.

Description

technical field [0001] The invention relates to the technical field of coatings, in particular to an electron beam-cured white coating with high wear resistance and scratch resistance, as well as a preparation method and a construction method thereof. Background technique [0002] The white paint in the prior art mostly adopts ultraviolet light curing method. If the concentration of color paste in the paint is relatively high, especially when the coating is thick, it is difficult for ultraviolet light to penetrate the bottom, resulting in insufficient curing, and It will also lead to poor adhesion between coatings; and in the case of low concentration of color paste, UV curing is used. Although it can be cured relatively completely, the hiding power is not enough. And to achieve good hiding power, the existing technology is to use multiple coatings of white primer combined with white topcoat (the proportion of titanium dioxide in the topcoat is low) or varnish to achieve goo...

Claims

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Application Information

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IPC IPC(8): C09D175/14C09D7/61C09D7/65B05D3/06B05D7/24
Inventor 梁立喜陈立任杰李林梁铭通陈卓成
Owner 中山易必固电子束科技有限公司
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