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Corrosion resistant, antipollution paint for solar glass mirror face and preparation thereof

A technology of solar glass and corrosion resistance, which is applied in the field of anti-corrosion of glass mirrors, anti-pollution coatings and their preparation, and anti-corrosion of solar glass mirrors. It can solve problems affecting the reflectivity of glass mirrors, low surface activity, etc. Climate-accelerated experimental performance, improved protection capabilities, and the effect of inhibiting organic pollutants

Inactive Publication Date: 2011-10-05
SHANGHAI INST OF CERAMIC CHEM & TECH CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] For the protection of the glass surface of the glass mirror, the surface can be coated with hydrophobic coatings, such as polytetrafluoroethylene coatings, etc., which have good hydrophobic properties and low surface activity, and can prevent pollution, but This coating affects the reflectivity of the glass mirror, which is unacceptable for solar power plants

Method used

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  • Corrosion resistant, antipollution paint for solar glass mirror face and preparation thereof
  • Corrosion resistant, antipollution paint for solar glass mirror face and preparation thereof
  • Corrosion resistant, antipollution paint for solar glass mirror face and preparation thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] Mix zinc acetate, lead acetate, ethylene glycol monoethyl ether, and ethanol with a mass ratio of 1%, 3%, 10%, and 20% respectively to form a uniform solution, and mix at room temperature for 1 hour. Add tetraethyl orthosilicate at a mass ratio of 45% to the above solution, then add n-butanol and acetic acid at a mass ratio of 19% and 2% to the above solution, and mix the above solution for 4 hours. The obtained coating was applied to the surface of the silver-coated glass mirror, and the measured reflectance is shown in Table 1.

Embodiment 2

[0034] Mix zinc acetate, lead acetate, ethylene glycol monoethyl ether, and ethanol with a mass ratio of 3%, 1%, 10%, and 20% respectively to form a uniform solution, and mix at room temperature for 1 hour. Add tetraethyl orthosilicate with a mass ratio of 45% to the above solution, and then add 20% and 1% n-butanol and formic acid to the above solution, and mix the above solution for 4 hours. The obtained coating was applied to the surface of the silver-coated glass mirror, and the measured reflectance is shown in Table 1.

Embodiment 3

[0036] Mix zinc acetate, lead acetate, ethylene glycol monoethyl ether, and ethanol with a mass ratio of 2%, 1%, 10%, and 20% respectively to form a uniform solution, and mix at room temperature for 1 hour. 40% by mass ratio of tetraethyl orthosilicate was added to the above solution, and then 25% by mass ratio, 2% n-butanol and acetic acid were added to the above solution, and the above solution was mixed for 4 hours. The obtained coating was applied to the surface of the silver-coated glass mirror, and the measured reflectance is shown in Table 1.

[0037] Each embodiment component performance table of table 1

[0038]

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Abstract

The invention relates to a corrosion resistant and pollution prevention paint of the mirror surfaces of solar glass mirrors and a preparation method thereof, in particular to a corrosion resistant and pollution prevention paint of mirror surfaces of glass mirrors used for a tower type solar power station and a preparation method thereof, belonging to the field of the corrosion resistant and pollution prevention paint of a glass mirror. According to the quality percentage, the paint composition of the invention is that tetraethyl orthosilicate is 40 to 50 percent, zinc acetate is 1 to 5 percent, lead acetate is 1 to 5 percent, ethylene glycol monoethyl ether is 10 to 15 percent, ethanol is 15 to 25 percent, carboxylic acid is 2 to 4 percent and the margin is positive butanol. The preparation method of the paint of the invention is to form the homogeneous solution by mixing the substances according to the quality percentage. The paint of the invention which is completely transparent cannot influence the reflectivity of glass mirrors and improves the protection ability to glasses of the glass mirrors; meanwhile, the paint has good hydrophobic performance and organic pollutants and molds inhibition performance. The reflectivity of the mirror coated by the paint of the invention is almost unchanged, and the corrosion resistance and pollution prevention paint is has excellent climate resistant acceleration experiment performance.

Description

technical field [0001] The invention relates to a corrosion-resistant and anti-pollution coating for a solar glass mirror and a preparation method thereof, in particular to a corrosion-resistant and anti-pollution coating for a glass mirror used in a tower solar power station and a preparation method thereof, which belongs to the anti-corrosion and anti-pollution coating for glass mirrors Coating field. Background technique [0002] Energy shortages and environmental problems caused by fossil fuels have become long-term and major bottlenecks restricting the development of the global economy and society, and will affect the living conditions of human beings in the future. In order to solve this problem, in addition to vigorously carrying out energy conservation and scientific energy use and striving to develop fossil fuels, the development and utilization of renewable energy must be accelerated. Solar energy plays a particularly important role in our country and around the w...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C03C17/28
Inventor 辛世刚赵荣根都徽宋力昕
Owner SHANGHAI INST OF CERAMIC CHEM & TECH CHINESE ACAD OF SCI
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