Super-hydrophobic glaze layer, inorganic ceramic membrane containing super-hydrophobic glaze layer, preparation method and application

Abstract

The invention belongs to the field of surface engineering, and discloses a super-hydrophobic glaze layer, an inorganic ceramic membrane containing the super-hydrophobic glaze layer, a preparation method and application. By forming a pure inorganic super-hydrophobic protective coating, the super-hydrophobic coating not only has excellent hydrophobic performance and pollution prevention, but also has good flashover prevention performance under different weather conditions of frost, snow and the like. The inorganic super-hydrophobic coating prepared by the invention realizes zero addition of harmful low-surface-energy substances such as fluoride and the like, and the weather resistance and the mechanical stability of the glaze layer are improved to a certain extent by doping inorganic non-metallic material hexagonal boron nitride / cubic boron nitride. An h-BN / c-BN doped composite glaze layer is prepared by simulating a biological surface microstructure, so that a large contact angle and a small rolling angle are realized, and water drops are easy to roll off on the surface. The inorganic ceramic membrane can be applied to various surfaces of ceramics, glass, metal and the like, is simple in preparation process, has good economic benefits, and is suitable for market popularization and application.

Description

technical field [0001] The invention belongs to the field of surface engineering, and relates to a superhydrophobic inorganic ceramic film, in particular to a superhydrophobic glaze layer, an inorganic ceramic film containing the same, a preparation method and an application. Background technique [0002] Severe weather such as ice and snow threatens the safe and stable operation of transmission lines. The weight of ice can lead to tower collapse, wire breakage and other failures. When the ice melts, it will cause flashover of insulator strings and other accidents. In severe cases, it may even cause power grid paralysis. Especially when the insulator strings of the transmission line are covered with ice, the shape and structure of the insulators will be changed, causing the potential of the insulator strings to drop along the ice, which greatly reduces the flashover voltage of the insulator strings. Secondly, when the ice on the insulator strings melts, the surface of the in...

AI Technical Summary

Problems solved by technology

[0002] Severe weather such as ice and snow threatens the safe and stable operation of transmission lines. The weight of ice can cause failures such as tower collapse and wire breakage. When the ice melts, it will cause flashover of insulator strings and other accidents. In severe cases, it may even cause power grid paralysis

Especially when the insulator strings of the transmission line are covered with ice, the shape and structure of the insulators will be changed, causing the potential of the insulator strings to drop along the ice, which greatly reduces the flashover voltage of the insulator strings

Secondly, when the ice on the insulator strings melts, the surface of the insulator strings will be wet. If there are pollutants in the melted ice, the surface resistance of the insulator strings will be greatly reduced, causing flashover failures and even accidents.

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