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High-weather-resistance high-stain-resistance white paint for outdoor woodware and preparation method of paint

A white topcoat, high weather resistance technology, applied in the direction of coating, etc., can solve the problems of low strength, anti-contamination and poor weather resistance, etc., to achieve the effect of improving product hardness, low odor and VOC, and excellent safety

Active Publication Date: 2014-06-25
CHINA PAINT MFG CO SHENZHEN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to overcome the above-mentioned deficiencies in the prior art, provide a high weather resistance and stain resistance outdoor wood white finish paint and its preparation method, to overcome the existing outdoor wood paint anti-stain and weather resistance, low strength technology question

Method used

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  • High-weather-resistance high-stain-resistance white paint for outdoor woodware and preparation method of paint
  • High-weather-resistance high-stain-resistance white paint for outdoor woodware and preparation method of paint
  • High-weather-resistance high-stain-resistance white paint for outdoor woodware and preparation method of paint

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preparation example Construction

[0064] Correspondingly, the embodiment of the present invention also provides a preparation method of the above-mentioned high weather resistance and stain resistance outdoor wood white finish paint with simple process and low cost. This preparation method comprises the steps:

[0065] S01. Weigh each component according to the composition of the high weather resistance and stain resistance outdoor wood white finish: obtain each component according to the ingredients and content of the above-mentioned high weather resistance and stain resistance outdoor wood white finish;

[0066] S02. Prepare a mixture of titanium white paste, water-based pure acrylic emulsion and water-based self-crosslinking acrylic emulsion: add the titanium white paste obtained in step S01 to the mixture of water-based pure acrylic emulsion and water-based self-crosslinking acrylic emulsion for mixing Processing to form the first mixed solution;

[0067] S03. Prepare a mixed solution containing defoamer ...

Embodiment 1

[0079] A highly weather-resistant and stain-resistant outdoor wood white finish paint and its preparation method:

[0080] S11. Weigh each component according to the formula of high weather resistance and stain resistance outdoor wood white finish paint in the following table 1; wherein, the water-based pure acrylic emulsion is 28 parts by mass, the water-based self-crosslinking acrylic emulsion is 28 parts by mass, titanium dioxide The mass part of slurry is 22, the gas chemical Surfynol MD20 of 0.2 mass part as defoamer, the DPNB of 2 mass parts of film-forming aid, the MICHELMAN43040 of 1.5 mass parts of wax emulsion, the Clariant Hostavin3225- of 0.3 mass part of light stabilizer 2XP, the nano zinc oxide slurry is 0.5 parts by mass of Buhler Oxylink3101, the preservative in the tank is THOR ACTICIDE RS of 0.1 parts by mass,

[0081] The anti-mildew and anti-algae agent is 0.2 parts by mass of THOR ACTICIDE CF, the substrate wetting agent is 0.2 parts by mass of BYK349, and...

Embodiment 2

[0090] A highly weather-resistant and stain-resistant outdoor wood white finish paint and its preparation method:

[0091] S21. Weigh each component according to the formula of high weather resistance and stain resistance outdoor wood white finish paint in the following table 1; wherein, the water-based pure acrylic emulsion is 30 parts by mass, the water-based self-crosslinking acrylic emulsion is 30 parts by mass, titanium dioxide The mass part of slurry is 25, the defoamer is 0.3 mass parts of gas chemical Surfynol MD20, the film-forming aid is 2 mass parts of DPNB, the wax emulsion is 2 mass parts of MICHELMAN43040, and the light stabilizer is 0.4 mass parts of Clariant Hostavin3225- 2XP, the nano zinc oxide slurry is 0.5 parts by mass of Buhler Oxylink3101, the preservative in the tank is THOR ACTICIDE RS of 0.1 parts by mass,

[0092] The anti-mildew and anti-algae agent is 0.3 parts by mass of THOR ACTICIDE CF, the substrate wetting agent is 0.3 parts by mass of BYK349,...

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Abstract

The invention discloses high-weather-resistance high-stain-resistance white paint for outdoor woodware and a preparation method of the paint. The high-weather-resistance high-stain-resistance white paint for the outdoor woodware comprises the following components in percentage by weight: 28-32% of water-based pure acrylic emulsion, 28-32% of water-based self-crosslinking acrylic emulsion, 22-27% of titanium dioxide pulp, 0.2-0.3% of a defoaming agent A, 2-3% of a film forming additive, 1.5-2% of wax emulsion, 0.3-0.5% of a light stabilizer, 0.5-1% of nanometer zinc oxide pulp, 0.1-0.15% of a first in-tank preservative, 0.2-0.4% of mildew-proof algaecide, 0.2-0.3% of a substrate wetting agent, 0.2-0.7% of a first thickening agent and 3.85-16.3% of deionized water or purified water. The high-weather-resistance high-stain-resistance white paint for the outdoor woodware is resistant to weather, stain and water, low in smell and VOC and excellent in environmental protection and safety comprehensive performances; the preparation method is simple in process and low in cost.

Description

technical field [0001] The invention relates to the field of coatings, in particular to a preparation method of a highly weather-resistant and stain-resistant outdoor wood finish white finish. Background technique [0002] Compared with indoor water-based wood coatings, outdoor water-based wood coatings have to face harsh environments such as sun and rain, acid rain and dust, and large temperature changes. Outdoor wood itself is easily affected by external light, high temperature, humidity and The erosion of microorganisms leads to wood deformation, cracking and aging. Therefore, outdoor water-based wood coatings must meet the most basic performance requirements such as outdoor weather resistance, water resistance, flexibility and elasticity, mildew and algae resistance, stain resistance and air permeability. [0003] At present, the pure acrylic emulsion that is suitable for outdoor use needs to have a lower glass transition temperature Tg, resulting in a softer surface of...

Claims

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Application Information

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IPC IPC(8): C09D133/00C09D7/12
Inventor 郑臣标王文彪方奕明
Owner CHINA PAINT MFG CO SHENZHEN
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