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A kind of preparation method of anti-corona high-resistance coating

An anti-corona, high resistance technology, applied in the field of coatings, can solve the problems of unstable properties, abnormal discharge phenomenon, unsatisfactory barrier performance, etc., achieve excellent adhesion, good stability, reduce short circuit and poor contact. Effect

Active Publication Date: 2018-04-17
HEBEI CHENYANG INDAL & TRADE GROUP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem mainly solved by the present invention: Aiming at the defects of the traditional anti-corona high-resistance coatings such as abnormal discharge phenomenon, unsatisfactory barrier performance, easy to be disturbed by external environmental factors, etc., a kind of anti-corona high-resistance coating is provided. Preparation

Method used

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Examples

Experimental program
Comparison scheme
Effect test

example 1

[0016] First, collect camellia seed meal, crush it and pass it through a 70-mesh sieve to prepare camellia seed meal powder, and then place it at 65°C for 3 hours to dry, then mix the dry camellia seed meal powder with petroleum ether at a mass ratio of 1:5 Stir and mix and ultrasonically disperse at 200W for 10min, filter and collect the filter cake, wash with absolute ethanol for 3 times, dry at 65°C for 6h and grind to prepare defatted Camellia oleifera seed meal powder; according to the mass ratio of 1:10, Stir and mix the degreased Camellia oleifera seed meal powder with a 40% ethanol solution, heat in a water bath at 65°C for 45 minutes, filter and collect the filtrate, and then rotary evaporate to dryness at 75°C to collect dry crystals; in parts by weight, Weigh 10 parts of magnesium nitrate, 10 parts of aluminum nitrate, 5 parts of the above-prepared dry crystals and 45 parts of deionized water and place them in the Erlenmeyer flask, stir and mix and add 1mol / L sodium ...

example 2

[0019] First, collect camellia seed meal, pulverize it and pass through a 75-mesh sieve to prepare camellia seed meal powder, then place it at 70°C to dry for 4 hours, then mix the dry camellia seed meal powder with petroleum ether at a mass ratio of 1:5 Stir and mix and ultrasonically disperse at 250W for 13min, filter and collect the filter cake, wash with absolute ethanol for 4 times, dry at 70°C for 7h and grind to prepare defatted Camellia oleifera seed meal powder; according to the mass ratio of 1:10, Stir and mix the degreased Camellia oleifera seed meal powder with a 40% ethanol solution, heat in a water bath at 70°C for 47 minutes, filter and collect the filtrate, and then rotary evaporate to dryness at 77°C to collect dry crystals; in parts by weight, Weigh 13 parts of magnesium nitrate, 13 parts of aluminum nitrate, 7 parts of the above-prepared dry crystals and 47 parts of deionized water and place them in the Erlenmeyer flask, stir and mix and add 1mol / L sodium hyd...

example 3

[0022]First, collect camellia seed meal, crush it and pass through an 80-mesh sieve to prepare camellia seed meal powder, and then place it at 80°C for 5 hours to dry, then mix the dried camellia seed meal powder with petroleum ether at a mass ratio of 1:5 Stir and mix and ultrasonically disperse at 300W for 15min, filter and collect the filter cake, wash with absolute ethanol for 5 times, dry at 80°C for 8h and grind to prepare defatted Camellia oleifera seed meal powder; according to the mass ratio of 1:10, Stir and mix the degreased Camellia oleifera seed meal powder with a 40% ethanol solution, heat in a water bath at 80°C for 50 minutes, filter and collect the filtrate, and then rotary evaporate to dryness at 80°C to collect dry crystals; in parts by weight, Weigh 15 parts of magnesium nitrate, 15 parts of aluminum nitrate, 10 parts of the above-prepared dry crystals and 50 parts of deionized water and place them in the Erlenmeyer flask, stir and mix and add 1mol / L sodium ...

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Abstract

The invention discloses a preparation method of anti-corona high-resistance paint, and belongs to the technical field of paint. The method includes the steps that camellia oleifera seed meal serves as the raw material and is smashed and screened, and camellia oleifera seed meal powder is obtained; the camellia oleifera seed meal powder is mixed with an extraction agent, ultrasonic dispersion is carried out, filter cakes obtained after washing with absolute ethyl alcohol are collected and ground, and degreased camellia oleifera seed meal powder is obtained; the powder and an ethanol solution are treated with a water bath, filter liquor is collected and subjected to rotary evaporation, obtained crystals are mixed with magnesium nitrate and aluminum nitrate, a sodium hydroxide solution is dropwise added for a reaction, and modified tea saponin intercalated magnesium-aluminum hydrotalcite is obtained, finally, modified tea saponin intercalated magnesium-aluminum hydrotalcite is mixed with methylbenzene, epoxy resin and diphenol propane epoxy resin, the mixture is treated with a water bath, and after cooling, the anti-corona high-resistance paint is obtained. Living examples prove that the obtained anti-corona high-resistance paint can well prevent the discharge phenomenon, so that an ideal barrier property between the material and the outside is achieved; epoxy resin serves as an additive, so that the paint has excellent adhesiveness, is not influenced by snowy or rainy weather, is stable in nature and has high application value.

Description

technical field [0001] The invention discloses a preparation method of an anti-corona high-resistance coating, which belongs to the technical field of coatings. Background technique [0002] The generation of corona is due to the non-uniform electric field generated by the uneven conductor. When the voltage rises to a certain value near the electrode with a small curvature radius around the non-uniform electric field, discharge will occur due to air dissociation, forming a corona. Because the electric field in the periphery of the corona is very weak, there is no collision and ionization, and the charged particles in the periphery of the corona are basically electric ions, and these ions form the corona discharge current. Simply put, a conductor electrode with a small radius of curvature discharges the air to generate a corona. The electric field of the stator winding of the high-voltage motor is concentrated at the ventilation slot and the straight line exit slot, and at t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D163/00C09D7/62C07H15/256C07J63/00C07H1/08
CPCC07H1/08C07H15/256C07J63/00C08L2203/202C08L2205/025C09D7/62C09D163/00C08L63/00C08K9/04C08K3/26
Inventor 梅少锋董立志程璐王瑞宏王亚轩
Owner HEBEI CHENYANG INDAL & TRADE GROUP CO LTD
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