Pollution-flashover-preventing coating with high self-cleaning and ultra-strong hydrophobic performance

Abstract

The invention provides pollution-flashover-preventing coating with high self-cleaning and ultra-strong hydrophobic performance and belongs to the technical field of coating. The pollution-flashover-preventing coating is prepared by the invention is prepared from the following components in parts by mass: 10 to 15 parts of magnesium oxide, 8 to 12 parts of aluminum hydroxide, 3 to 5 parts of ferroferric oxide, 2 to 8 parts of 2-(isopropylamino)ethyl methacrylate, 30 to 50 parts of fluorine-containing p-hydroxybenzoate, 20 to 25 parts of organic silicon, 10 to 15 parts of poly-dimethyl hydroxylsiloxane containing blocked methylene, 5 to 8 parts of boron-containing polydimethylsiloxane, 3 to 5 parts of expanded graphite, 8 to 10 parts of decabromodiphenyl ethane, 5 to 10 parts of polyurethanePPA, 10 to 15 parts of diacetone acrylamide, 2 to 8 parts of oxalyl dihydrazide, 1 to 3 parts of stannous octoate, 80 to 200 parts of petroleum ether and 2 to 8 parts of ethylene glycol. According tothe high-self-cleaning pollution-flashover-preventing coating provided by the invention, the hydrophobic performance and the self-cleaning performance indexes are greatly improved; the self-cleaningperformance can be used for effectively reducing the pollution accumulation amount on the surface of a coating layer during an operation period and a better pollution-flashover-preventing effect is obtained; the hydrophobic performance is greatly improved and the service life is greatly improved.

Description

technical field [0001] The invention belongs to the technical field of coatings, and relates to a high self-cleaning super-hydrophobic anti-fouling flashover coating. The performance index of the high self-cleaning anti-fouling anti-fouling flashover coating of the present invention has been greatly improved, and its self-cleaning performance can be improved. Effectively reduce the amount of fouling on the surface of the coating during operation, obtain better anti-fouling flashover effects, greatly improve the hydrophobicity, and greatly increase its service life. Background technique [0002] With the development of China's economy and society, the power grid capacity and rated transmission voltage level have increased accordingly. With the development of industry and agriculture, environmental pollution in some areas has become increasingly serious. The impact of pollution flashover accidents on the external insulation of power transmission and transformation equipment in ...

AI Technical Summary

Problems solved by technology

[0005] The disadvantage of RTV coatings is that compared with the porcelain and glass surfaces of traditional insulators, the amount of contamination on the surface of RTV coatings is relatively heavy, which not only affects the appearance of power transmission and transformation equipment, but more importantly affects the quality of insulators. Anti-fouling flashover performance and effect, especially in heavily polluted environments and under continuous low temperature and (or) continuous humid conditions, the hydrophobic migration of RTV coatings will be significantly reduced or even unsustainable, that is, the hydrophobicity is difficult to be effective at this time Migrate to the pollutants on the surface of the RTV coating with a large amount of pollution (including soluble pollutants and insoluble pollutants), and further lead to a decrease in the pollution flashover voltage of the insulator and a decline in the anti-pollution flashover performance

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