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A kind of water-based sand finish paint

A sand surface, water-based technology, applied in the field of coatings, can solve the problems of PU sand surface paint such as poor hardness and adhesion, and limit wide application, and achieve the effect of strong three-dimensional effect, good adhesion, and high hardness

Active Publication Date: 2017-09-19
珠海展辰新材料股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Most of the sand finish paints provided by the prior art are polyurethane (PU) sand finish paints. The hardness and adhesion of PU sand finish paints are poor, which limits its wide application under high hardness and adhesion conditions.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0081] The present invention has no special limitation on the preparation method of the water-based sand finish paint, and the raw materials of the above-mentioned water-based sand finish paint can be uniformly mixed according to the amount of raw materials by adopting the preparation technical scheme of the sand finish paint well-known to those skilled in the art. In an embodiment of the invention, the preparation method of the water-based sand finish paint is:

[0082] acrylic resin, trimethylolpropane triacrylate and dispersant are mixed to obtain a mixture;

[0083] disperse said mixture with matte flour and sand flour to obtain a dispersion;

[0084] The dispersion is mixed with a benzophenone photoinitiator, a polyurea thickener, an alcohol compound, water, a defoamer and a leveling agent to obtain a water-based sand finish paint.

[0085] In an embodiment of the present invention, after the dispersion is obtained, the dispersion and benzophenone photoinitiator, polyure...

Embodiment 1

[0094] The epoxy acrylate of 55g, the trimethylolpropane triacrylate of 13g and the dispersant of 2g are mixed, obtain mixture;

[0095] Add 3g of dumb powder and 12g of sand flour to the mixture and disperse until the fineness is below 55 microns to obtain a dispersion;

[0096] 5 g of isopropanol, 5 g of n-butanol, 3 g of 4-chlorobenzophenone, 1 g of polyurea thickener, 0.5 g of leveling agent, 0.5 g of defoamer were added to the dispersion Stir evenly with 5g of water to obtain a water-based sand finish.

[0097] The water-based sand finish paint prepared in Example 1 of the present invention was sprayed on the surface of a wooden board, and dried by an ultraviolet (UV) machine for 48 hours to obtain a paint film.

[0098] According to the method described in the above technical solution, the pencil hardness of the water-based sand finish prepared in Example 1 of the present invention was tested. The test result was that the pencil hardness of the water-based sand finish p...

Embodiment 2

[0102] The epoxy acrylate of 46g, the trimethylolpropane triacrylate of 10g and the dispersant of 1g are mixed, obtain mixture;

[0103] Add 3g of dumb powder and 15g of sand flour to the mixture and disperse until the fineness is below 55 microns to obtain a dispersion;

[0104] To the dispersion was added 6 g of isopropanol, 4 g of n-butanol, 2.5 g of 4-chlorobenzophenone, 2 g of polyurea thickener, 0.2 g of leveling agent, 0.3 g of defoamer Agent, 10g of black slurry and 5g of water are stirred evenly to obtain a water-based sand finish paint.

[0105] The water-based sand finish paint prepared in Example 2 of the present invention was sprayed on the surface of a wooden board, and dried by an ultraviolet (UV) machine for 48 hours to obtain a paint film.

[0106] According to the method described in the above technical solution, the pencil hardness of the water-based sand finish paint prepared in Example 2 of the present invention was tested. The test result was that the pe...

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Abstract

The invention provides water-based sand finish paint which comprises the following components in parts by weight: 40-60 parts of epoxy acrylate, 10-30 parts of trimethylolpropane triacrylate, 0-2 parts of a dispersing agent, 1-4 parts of a diphenyl ketone light initiator, 0-2 parts of a polyurea thickener, 5-15 parts of alcoholic compounds, 0-8 parts of matt powder, 5-10 parts of water, 0.2-1 part of an antifoaming agent, 0.2-1 part of a flatting agent and 10-20 parts of sand finish powder. According to the water-based sand finish paint provided by the invention, the various components are comprehensively controlled, so that the sand finish paint is high in hardness and high in adhesion force. In addition, the water-based sand finish paint provided by the invention is good in sand streak effect, high in stereoscopic impression, soft in touch and high in drying speed, large-scale coating can be realized, and the construction efficiency is improved.

Description

technical field [0001] The invention relates to the technical field of coatings, in particular to a water-based sand finish paint. Background technique [0002] Sand flour is a kind of paint additive, and its main component is polyethylene crystal or polypropylene crystal. Sand flour can be added to the top coat to prepare sand finish paint. After spraying sand finish paint, the coating surface has a good feel. It has a three-dimensional effect visually, and can reduce reflections. It has a good matte property, giving people an elegant and comfortable feeling, and can greatly improve the grade of accessories. Most of the sand finish paints provided in the prior art are polyurethane (PU) sand finish paints, and the hardness and adhesion of PU sand finish paints are all relatively poor, which limits its wide application under high hardness and adhesion conditions. Contents of the invention [0003] In view of this, the object of the present invention is to provide a kind of...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D163/10C09D7/12
CPCC09D7/61C09D7/63C09D163/10C08L75/02C08K13/02C08K5/05C08K5/132
Inventor 黄成平陈寿生
Owner 珠海展辰新材料股份有限公司
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