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Weather-resistant coating and preparation method thereof

A technology of weather resistance and coatings, applied in the direction of alkali metal silicate coatings, coatings, etc., can solve the problems that hinder wide application, water resistance, fire resistance and poor adhesion, and achieve improved dispersion performance and good scrub resistance sex, enhance the effect of hardness

Inactive Publication Date: 2016-03-16
LUOYANG LVREN ENVIRONMENTAL EQUIP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Water-based inorganic coatings have the advantages of high hardness and good wear resistance, but the biggest disadvantages of water-based weather-resistant inorganic coatings are poor water resistance, fire resistance and poor adhesion. These shortcomings hinder its wide application

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] Embodiment 1 of the present invention provides a weather-resistant coating, which is composed of the following raw materials in mass fractions: 1.5 g of nano-titanium dioxide with a particle diameter of 30 to 50 nm, 15 g of 80% potassium water glass solution, 35 g of white carbon black, 25% of Glycolic acid aqueous solution 5g, malic acid 0.5g, superfine aluminum silicate 1g, perlite 5g, silicon acrylic emulsion 1.5g and water 35.5g.

[0014] The above-mentioned weather-resistant coating provided by the present embodiment is prepared by the following steps: 5 g of glycolic acid aqueous solution with a mass concentration of 25% is added dropwise to 15 g of the potassium water glass solution with a mass fraction of 80% to form the first mixed solution; Add 2g of nano-titanium dioxide, 35g of white carbon black, and 1g of ultra-fine aluminum silicate with anatase-type primary particle size of 30-50nm in the crystal form, and stir to form the second mixture after being unifo...

Embodiment 2

[0017] Embodiment 2 of the present invention provides a weather-resistant coating, which is composed of the following raw materials in mass fraction: 2.5 g of nano-titanium dioxide with a particle diameter of 50 to 70 nm, 20 g of 70% potassium water glass solution, 32 g of white carbon black, 20% of Glycolic acid aqueous solution 10g, malic acid 1.5g, superfine aluminum silicate 1.5g, perlite 7g, silicon acrylic emulsion 3g and water 22.5g. The preparation method of the above-mentioned anti-ultraviolet coating provided in this embodiment is basically the same as that provided in the first embodiment, except that the ratio of each raw material is different.

[0018] The above-mentioned coating provided in Example 2 was coated on a glass plate for curing and curing. The bond strength test is carried out under the standard state according to the state of JG / T3049-1998, and the water resistance test of the paint film is carried out under the state of GB / T1733-93. The bonding force...

Embodiment 3

[0020] Embodiment 3 of the present invention provides a weather-resistant coating, which is composed of the following raw materials in mass fractions: 2.8 g of nano-titanium dioxide with a particle diameter of 50 to 70 nm, 22.5 g of 65% potassium water glass solution, 30 g of white carbon black, and 20% 12g of glycolic acid aqueous solution, 1.75g ​​of malic acid, 2g of superfine aluminum silicate, 7.5g of perlite, 3.25g of silicon acrylic emulsion and 18.2g of water. The preparation method of the above-mentioned anti-ultraviolet coating provided in this embodiment is basically the same as that provided in the first embodiment, except that the ratio of each raw material is different.

[0021] The above-mentioned coating provided in Example 3 was coated on a glass plate for curing and maintenance. The bond strength test is carried out under the standard state according to the state of JG / T3049-1998, and the water resistance test of the paint film is carried out under the state ...

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Abstract

The invention provides a weather-resistant coating. The weather-resistant coating is characterized by comprising 1.5%-4% of nano-titanium dioxide, 15%-30% of potash water glass solution, 25%-35% of white carbon black, 5%-19% of glycollic acid aqueous solution, 0.5%-3% of malic acid, 1%-3% of superfine aluminum silicate, 5%-10% of perlite, 1.5%-5% of silicone acrylic emulsion and the balance water. The mass fraction of the potash water glass solution is 50%-80%, and the mass fraction of the glycollic acid aqueous solution is 15%-25%. The weather-resistant coating has good water resistance, fire resistance, weather resistance and bonding power, good abrasion resistance is achieved, and the effect for photocatalytic degradation of nitric oxide is quite good. The invention further provides a preparation method of the weather-resistant coating.

Description

technical field [0001] The invention belongs to the technical field of chemical coatings, and in particular relates to a photocatalyst coating and a preparation method thereof. Background technique [0002] Combining photocatalyst nano-titanium dioxide with coating materials to prepare coatings with photocatalytic effects, which can be applied to road surfaces, isolation piers, road edges, railings, etc., can effectively absorb and decompose automobile exhaust, and will be the key to controlling more and more automobile emissions The application direction of the pollution caused by the exhaust gas. At the same time, water-based inorganic coatings use water as the medium, and have a series of advantages such as non-toxic, odorless, free of volatile and other organic substances, convenient construction, rich raw material resources, and low prices. Water-based inorganic coatings have the advantages of high hardness and good wear resistance, but the biggest disadvantages of wat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D1/04C09D133/04C09D7/12
Inventor 肖建军许道立刘改正张国峰
Owner LUOYANG LVREN ENVIRONMENTAL EQUIP
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