Anti-pollution-flashover paint

An antifouling flashover coating, technology in parts by weight, applied in antifouling/underwater coatings, coatings, paints containing biocide, etc., can solve the problem of short service life of coatings, poor adhesion, and unsatisfactory comprehensive performance of coatings To meet the needs of the development of ultra-high voltage power projects and other issues, to achieve good self-cleaning and weather resistance, and to improve the effect of pollution flashover voltage

Inactive Publication Date: 2015-01-14
赵东奇
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The current anti-fouling flashover coatings have problems such as short coating life and poor adhesion, and the comprehensive performance of coatings cannot meet the needs of further development of ultra-high voltage power engineering.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] The anti-pollution flashover coating of this embodiment includes the following components

[0018] 100 parts of pure titanium dioxide sol, 10 parts of hydrogen peroxide, 14 parts of mica powder, 25 parts of organotin, 20 parts of aluminum hydroxide, 6 parts of decabromodiphenyl ether, 22 parts of trichloroethylene, 15 parts of organosilicon water repellent, modified 15 parts of organosilicon resin, 1 part of nano white carbon black, 5 parts of mica powder, 5 parts of aluminum hydroxide, 15 parts of nanometer polytetrafluoroethylene powder, 1 part of titanium dioxide, 0.1 part of catalyst, and 20 parts of solvent.

[0019] The preparation steps of the modified silicone resin are as follows:

[0020] 1. Preparation of Silanol

[0021] Add 15g of methyltrichlorosilane, 25g of phenyltrichlorosilane, 20g of diphenyldichlorosilane, and 90g of xylene into a four-necked flask. After stirring, the temperature is raised to 60 to maintain a constant temperature, and 25g of it is added dro...

Embodiment 2

[0027] The anti-pollution flashover coating of this embodiment includes the following components

[0028] 120 parts of pure titanium dioxide sol, 20 parts of hydrogen peroxide, 18 parts of mica powder, 45 parts of organotin, 40 parts of aluminum hydroxide, 12 parts of decabromodiphenyl ether, 34 parts of trichloroethylene, 25 parts of organosilicon water repellent, modified 25 parts of silicone resin, 12 parts of nano white carbon black, 10 parts of mica powder, 10 parts of aluminum hydroxide, 20 parts of nano PTFE powder, 2 parts of titanium dioxide, 1 part of catalyst, and 30 parts of solvent.

[0029] The preparation steps of the modified silicone resin are as follows:

[0030] 1. Preparation of Silanol

[0031] Add 25g of methyltrichlorosilane, 30g of phenyltrichlorosilane, 30g of diphenyldichlorosilane, and 100g of xylene into a four-necked flask. Stir it evenly and keep it at a constant temperature when the temperature is raised to 70°C. Use a dropping funnel to add evenly 30g ...

Embodiment 3

[0037] The anti-pollution flashover coating of this embodiment includes the following components

[0038] 110 parts of pure titanium dioxide sol, 15 parts of hydrogen peroxide, 16 parts of mica powder, 35 parts of organotin, 30 parts of aluminum hydroxide, 9 parts of decabromodiphenyl ether, 28 parts of trichloroethylene, 20 parts of organic silicon water repellent, modified 20 parts of organosilicon resin, 6 parts of nano white carbon black, 8 parts of mica powder, 8 parts of hydroxide, 18 parts of nano PTFE powder, 1.5 parts of titanium dioxide, 0.5 parts of catalyst, and 25 parts of solvent.

[0039] The preparation steps of the modified silicone resin are as follows:

[0040] 1. Preparation of Silanol

[0041] Add 20g of methyltrichlorosilane, 35g of phenyltrichlorosilane, 25g of diphenyldichlorosilane, and 105g of xylene to a four-necked flask. After stirring, the temperature is raised to 80 to maintain a constant temperature, and 40g of it is added dropwise with a dropping funne...

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Abstract

The invention discloses an anti-pollution-flashover paint which is composed of the following components in parts by weight: 100-120 parts of pure titanium dioxide sol, 10-20 parts of oxydol, 14-18 parts of mica powder, 25-45 parts of organotin, 20-40 parts of aluminum hydroxide, 6-12 parts of decabromodiphenyl oxide, 22-34 parts of trichloroethylene, 15-25 parts of organic silicon water repellent, 15-25 parts of modified organic silicon resin, 1-12 parts of nano silica white, 5-10 parts of mica powder, 5-10 parts of aluminum hydroxide, 15-20 parts of nano polytetrafluoroethylene micropowder, 1-2 parts of titanium white, 0.1-1 part of catalyst and 20-30 parts of solvent. The anti-pollution-flashover paint is formed by a polymer interpenetrating network structure; and by utilizing the excellent static adsorption resistance and hydrophobicity of the fluoride material and the excellent hydrophobicity of the organic silicon material, the adsorption effect of the coating surface on water drops, dust and charged particles is obviously reduced, and the coating surface has favorable self-cleaning property and weather resistance, effectively achieves the goals of long-term pollution flashover prevention and ice prevention of the power system, can enhance the pollution flashover voltage of the porcelain insulator and is beneficial to enhancing the operation reliability of the transmission line and prolonging the normal operation cycle.

Description

Technical field [0001] The invention belongs to the technical field of chemical coatings, and specifically relates to an anti-pollution flashover coating applied to the surface of an insulating layer of high-voltage power transmission and transformation equipment and a preparation method thereof. Background technique [0002] With the rapid increase in the demand for electricity in my country, higher requirements have been put forward for the pollution external insulation level of AC and DC high voltage transmission and transformation equipment. Anti-pollution flashover coatings have been widely used in high-voltage power transmission and transformation equipment, and have a positive anti-pollution flashover effect. The anti-pollution flashover coatings have different formulations, their anti-adhesion, water repellency, insulation and flame retardancy are very different, and their corrosion resistance against different pollution sources and anti-pollution flashover durability eff...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D4/06C09D7/12C09D5/16C08G77/44
Inventor 赵东奇
Owner 赵东奇
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