CN105820644A - Superhydrophobic coating, anti-pollution-flashover superhydrophobic insulator and preparation technique thereof - Google Patents
Superhydrophobic coating, anti-pollution-flashover superhydrophobic insulator and preparation technique thereof Download PDFInfo
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- CN105820644A CN105820644A CN201610270033.7A CN201610270033A CN105820644A CN 105820644 A CN105820644 A CN 105820644A CN 201610270033 A CN201610270033 A CN 201610270033A CN 105820644 A CN105820644 A CN 105820644A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D4/00—Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; Coating compositions, based on monomers of macromolecular compounds of groups C09D183/00 - C09D183/16
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D1/00—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B17/00—Insulators or insulating bodies characterised by their form
- H01B17/50—Insulators or insulating bodies characterised by their form with surfaces specially treated for preserving insulating properties, e.g. for protection against moisture, dirt, or the like
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B17/00—Insulators or insulating bodies characterised by their form
- H01B17/52—Insulators or insulating bodies characterised by their form having cleaning devices
- H01B17/525—Self-cleaning, e.g. by shape or disposition of screens
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B19/00—Apparatus or processes specially adapted for manufacturing insulators or insulating bodies
- H01B19/04—Treating the surfaces, e.g. applying coatings
Abstract
The invention discloses a superhydrophobic coating, an anti-pollution-flashover superhydrophobic insulator and a preparation technique thereof. The superhydrophobic coating comprises a finishing coat arranged on the external surface of the insulator and the superhydrophobic coating arranged on the finishing coat. The finishing coat is prepared from a surface modification solution which is composed of a surface modifier propyltrimethoxy silane and ethanol in a mass ratio of 1:(5-20), and the superhydrophobic coating is prepared from a nano silicon dioxide superhydrophobic paint. The anti-pollution-flashover superhydrophobic insulator comprises an insulator body and the superhydrophobic coating applied to the external surface of the insulator body. By setting the reaction temperature in the finishing coat application process and the pressure, angle and other parameters in the superhydrophobic coating spraying process, the obtained anti-pollution-flashover superhydrophobic insulator has the advantages of long service life, high aging resistance and excellent hydrophobicity, can effectively reduce the filth accumulation volume on the insulator surface under haze and heavy dirt conditions, has higher pollution flashover resistance, and ensures the long-term reliability of the electric system external insulation.
Description
Technical field
The present invention relates to high voltage external insulation technical field, particularly relate to the super-hydrophobic coat of a kind of insulator under haze weather and the super-hydrophobic insulator of antifouling work and preparation technology thereof.
Background technology
Along with China's industry and the fast development of urban population, atmosphere polluting problem is the most serious.In recent years, haze weather occurs on a large scale in China, and the atmospheric pollution that haze causes brings many harm to the productive life of people, also bring adverse effect to power system simultaneously, the pollution flashover accident that haze weather causes takes place frequently, and reduces the operational reliability of electrical network, easily causes large-scale power outage.Therefore, under research haze weather, power system antifouling work problem has pressing needs.
Haze comprises a large amount of hazardness particulate component, such as particles such as coal ash particle, dust, nitrate, sulfate, organic hydrocarbon compounds.When haze occurs, air humidity is higher, averagely up to 80%-90%.Under haze weather, power system insulation sub-surface contamination is serious, and along with the growth of haze meteorology persistent period, insulator surface pollution level is incremented by double.Power system insulator material mainly has pottery, glass, room temperature silicone rubber (RTV), persistency room temperature vulcanized silicone rubber coating (PRTV) etc..Glass, ceramic material insulator are the most widely used insulators of power system, it is prone to that accumulation is filthy due to glass, ceramic surface and glass, ceramic surface have hydrophilic, it is prone to adsorb water droplet, under the conditions of rain, mist, dew etc., surface water droplet forms continuous moisture film, and dissolve surface filth composition, form continuous pollution layer, greatly reduce the pollution flashover voltage of insulator.Extensive application practice have shown that, the resistance to filthy ability of glass, ceramic insulator, the filth adhering to insulator surface is difficult to clean off, and can not meet the insulator use requirement in heavy pollution area.
Silicone rubber kinds material insulator has hydrophobic performance, and possesses hydrophobic animal migration, and water drop static contact angle reaches more than 90 °, is adopted by power system and carries out application as antifouling flash insulator.But facts have proved when silicone rubber kinds organic polymer material insulator is chronically exposed under outdoor conditions, it may occur that irreversible aging deterioration phenomenon, occur that Surface hardened layer, efflorescence, be full of cracks, hydrophobicity are remarkably decreased, insulator resistance to pollution flashover ability significantly reduces.Super hydrophobic material has super-hydrophobic performance (water droplet contact angle is more than 150 °) and filthy self-cleaning performance; material can be protected as novel electric power system external insulation; water droplet is in super hydrophobic surface easily landing; and surface filth granule can be taken away during tumbling; keep insulator surface cleaning, there is the ability of reply haze heavy pollution regional power system pollution flashover problem.Therefore, power system insulator based on coating super hydrophobic material can be greatly decreased pollution severity of insulators accumulation under the conditions of haze, it is ensured that excellent resistance to filthy ability.
Summary of the invention
It is an object of the invention to provide a kind of super-hydrophobic insulator of antifouling work for haze heavy pollution area and preparation technology thereof, the length in service life of the super-hydrophobic insulator of described antifouling work, ageing-resistant performance are high, hydrophobic performance is excellent, can effectively reduce the filthy cumulant of insulator surface under the conditions of haze heavy pollution, reduce pollution flashover incidence rate.
For achieving the above object, the technical solution used in the present invention is:
A kind of super-hydrophobic coat for antifouling flash insulator, including the finishing coat being arranged on outer surface of insulator and the super-hydrophobic coat being arranged on finishing coat；
Described finishing coat is made up of surface decorating liquid, and surface decorating liquid is made up of the coating material propyl trimethoxy silicane that mass ratio is 1:15 ~ 20 and ethanol, and described super-hydrophobic coat is made up of nano silicon super hydrophobic coating.
A kind of super-hydrophobic insulator of antifouling work, including insulator body and the super-hydrophobic coat being coated in insulator body outer surface, it is characterised in that: described super-hydrophobic coat includes the finishing coat being arranged on insulator body outer surface and the super-hydrophobic coat being arranged on finishing coat；
Described finishing coat is made up of surface decorating liquid, and surface decorating liquid is made up of the coating material propyl trimethoxy silicane that mass ratio is 1:15 ~ 20 and ethanol, and described super-hydrophobic coat is made up of nano silicon super hydrophobic coating.
Described insulator body is glass or ceramic material.
The preparation technology of the super-hydrophobic insulator of a kind of antifouling work, comprises the following steps；
A, insulator body being at room temperature sequentially placed and carry out ultrasonic cleaning in dehydrated alcohol and deionized water, the insulator body after cleaning is positioned in baking oven drying, it is thus achieved that the insulator of surface cleaning, subsequently into step B；
B, by coating material propyl trimethoxy silicane that mass ratio is 1:15 ~ 20 and ethanol mix homogeneously, the insulator that the mixed solution obtained and step A obtain is placed in chemical reaction kettle, holding system reaction temperature is 50 ~ 70 DEG C, after reaction carries out 1 ~ 1.5 hour, obtain outer surface and have the insulator of finishing coat, subsequently into step C；
C, employing airless spray technique, air pump pressure is set to 6 ~ 8MPa, air pumps out air valve pressure and is set to 0.3 ~ 0.5MPa, use the spray gun of 0.3mm ~ 0.4mm bore, and by flow-control per second for spray gun between 0.01L ~ 0.05L, keeping the nozzle of spray gun and the distance being sprayed-on between surface of insulator is 150mm ~ 250mm, air-flow axial line is 70 ~ 90 ° with the angle being sprayed-on surface, nano silicon super hydrophobic coating is evenly applied to the insulator surface that step B obtains, during spraying, the time of staying at same position is 1 ~ 2s, subsequently into step D；
D, being placed in obtaining insulator in step C in baking oven, keeping oven temperature is 70 ~ 90 DEG C, solidifies 1 ~ 1.5 hour, obtains the super-hydrophobic insulator of antifouling work.
The present invention, by arranging super-hydrophobic coat in insulator body, forms the super-hydrophobic insulator of antifouling work of power system, remains to keep excellent super-hydrophobicity under the conditions of haze heavy pollution, effectively reduces the filthy cumulant of insulator surface, improves resistance to pollution flashover performance；
Further, antifouling work of the present invention super-hydrophobic insulator adhesive force is strong, and wearability is good, and coating hardness is high, has length in service life, an advantage that ageing-resistant performance is high, it is ensured that the long-term reliability of power system external insulation.
The preparation process of the super-hydrophobic insulator of antifouling work of the present invention is simple, it is not necessary to expensive device, effectively reduces production cost.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of antifouling work of the present invention super-hydrophobic insulator preparation technology；
Fig. 2 is the hydrophobic performance test figure of the prepared super-hydrophobic insulator of antifouling work in the embodiment of the present invention one；
Fig. 3 is the outer Natural contamination hydrophobic performance test figure after four months of the prepared super-hydrophobic insulator chamber of antifouling work in the embodiment of the present invention one.
Detailed description of the invention
Below in conjunction with specific embodiment, technical scheme is described in detail.
Embodiment one
The super-hydrophobic coat for antifouling flash insulator described in the present embodiment, including the finishing coat being arranged on outer surface of insulator and the super-hydrophobic coat being arranged on finishing coat.Finishing coat is made up of surface decorating liquid, and surface decorating liquid is made up of the coating material propyl trimethoxy silicane that mass ratio is 1:20 and ethanol, and super-hydrophobic coat is made up of nano silicon super hydrophobic coating.Wherein, nano silicon super hydrophobic coating is prior art, its problem that the most there is not insufficient disclosure.
The super-hydrophobic insulator of antifouling work described in the present embodiment includes the insulator body of glass material and above-mentioned super-hydrophobic coat, and super-hydrophobic coat is coated uniformly on the outer surface of insulator body.
As it is shown in figure 1, the preparation technology of the super-hydrophobic insulator of antifouling work comprises the following steps in the present embodiment；
A, insulator body is at room temperature positioned in dehydrated alcohol, use ultrasonic waves for cleaning 10 minutes, be then placed in deionized water, use ultrasonic waves for cleaning 20 minutes, insulator body after cleaning is positioned in baking oven drying, it is thus achieved that the insulator of surface cleaning.
B, by coating material propyl trimethoxy silicane that mass ratio is 1:20 and ethanol mix homogeneously, the insulator that the mixed solution obtained and step A obtain is placed in chemical reaction kettle, holding system reaction temperature is 60 DEG C, reaction is taken out after carrying out 1 hour, it is thus achieved that outer surface has the insulator of finishing coat.
C, employing airless spray technique, air pump pressure is set to 8MPa, air pumps out air valve pressure and is set to 0.5MPa, use the spray gun of 0.4mm bore, and by flow-control per second for spray gun at 0.05L, keeping the nozzle of spray gun and the distance being sprayed-on between surface of insulator is 150 ~ 250mm, air-flow axial line is 70 ~ 90 ° with the angle being sprayed-on surface, nano silicon super hydrophobic coating is evenly applied to the insulator surface that step B obtains, and during spraying, the time of staying at same position is 1 ~ 2s.
D, being placed in obtaining insulator in step C in baking oven, keeping oven temperature is 80 DEG C, obtains the super-hydrophobic insulator of antifouling work after solidifying 1 hour.
The antifouling work super-hydrophobic insulator water droplet contact angle that the present embodiment obtains is 150 ~ 165 °, roll angle is less than 5 °, as shown in Figure 2, insulator super-hydrophobic to the antifouling work prepared by the present embodiment carries out hydrophobic performance test, the water droplet being poured over insulator surface is that column-like paths tumbles rapidly, insulator surface keeps dry state, and possesses ultra-hydrophobicity；As shown in Figure 3, insulator super-hydrophobic to the antifouling work prepared by the present embodiment carries out hydrophobic performance test at outdoor Natural contamination after 4 months, though coating surface has certain filthy accumulation, but the water droplet being poured over insulator surface still tumbles rapidly in column-like paths, i.e. coating has the ageing-resistant performance of excellence.
Embodiment two
The super-hydrophobic coat for antifouling flash insulator described in the present embodiment, including the finishing coat being arranged on outer surface of insulator and the super-hydrophobic coat being arranged on finishing coat.Finishing coat is made up of surface decorating liquid, and surface decorating liquid is made up of the coating material propyl trimethoxy silicane that mass ratio is 1:15 and ethanol, and super-hydrophobic coat is made up of nano silicon super hydrophobic coating.
The super-hydrophobic insulator of antifouling work described in the present embodiment includes the insulator body of ceramic material and above-mentioned super-hydrophobic coat, and super-hydrophobic coat is coated uniformly on the outer surface of insulator body.
As it is shown in figure 1, the preparation technology of the super-hydrophobic insulator of antifouling work comprises the following steps in the present embodiment；
A, insulator body is at room temperature positioned in dehydrated alcohol, use ultrasonic waves for cleaning 10 minutes, be then placed in deionized water, use ultrasonic waves for cleaning 20 minutes, insulator body after cleaning is positioned in baking oven drying, it is thus achieved that the insulator of surface cleaning.
B, by coating material propyl trimethoxy silicane that mass ratio is 1:15 and ethanol mix homogeneously, the insulator that the mixed solution obtained and step A obtain is placed in chemical reaction kettle, holding system reaction temperature is 50 DEG C, reaction is taken out after carrying out 1.5 hours, it is thus achieved that outer surface has the insulator of finishing coat.
C, employing airless spray technique, air pump pressure is set to 6MPa, air pumps out air valve pressure and is set to 0.3MPa, use the spray gun of 0.3mm bore, and by flow-control per second for spray gun at 0.01L, keeping the nozzle of spray gun and the distance being sprayed-on between surface of insulator is 150 ~ 250mm, air-flow axial line is 70 ~ 90 ° with the angle being sprayed-on surface, nano silicon super hydrophobic coating is evenly applied to the insulator surface that step B obtains, and during spraying, the time of staying at same position is 1 ~ 2s.
D, being placed in obtaining insulator in step C in baking oven, keeping oven temperature is 90 DEG C, obtains the super-hydrophobic insulator of antifouling work after solidifying 1 hour.
Embodiment three
The super-hydrophobic coat for antifouling flash insulator described in the present embodiment, including the finishing coat being arranged on outer surface of insulator and the super-hydrophobic coat being arranged on finishing coat.Finishing coat is made up of surface decorating liquid, and surface decorating liquid is made up of the coating material propyl trimethoxy silicane that mass ratio is 1:18 and ethanol, and super-hydrophobic coat is made up of nano silicon super hydrophobic coating.
The super-hydrophobic insulator of antifouling work described in the present embodiment includes the insulator body of glass material and above-mentioned super-hydrophobic coat, and super-hydrophobic coat is coated uniformly on the outer surface of insulator body.
As it is shown in figure 1, the preparation technology of the super-hydrophobic insulator of antifouling work comprises the following steps in the present embodiment；
A, insulator body is at room temperature positioned in dehydrated alcohol, use ultrasonic waves for cleaning 10 minutes, be then placed in deionized water, use ultrasonic waves for cleaning 20 minutes, insulator body after cleaning is positioned in baking oven drying, it is thus achieved that the insulator of surface cleaning.
B, by coating material propyl trimethoxy silicane that mass ratio is 1:18 and ethanol mix homogeneously, the insulator that the mixed solution obtained and step A obtain is placed in chemical reaction kettle, holding system reaction temperature is 70 DEG C, reaction is taken out after carrying out 1.2 hours, it is thus achieved that outer surface has the insulator of finishing coat.
C, employing airless spray technique, air pump pressure is set to 7MPa, air pumps out air valve pressure and is set to 0.4MPa, use the spray gun of 0.33mm bore, and by flow-control per second for spray gun at 0.03L, keeping the nozzle of spray gun and the distance being sprayed-on between surface of insulator is 150 ~ 250mm, air-flow axial line is 70 ~ 90 ° with the angle being sprayed-on surface, nano silicon super hydrophobic coating is evenly applied to the insulator surface that step B obtains, and during spraying, the time of staying at same position is 1 ~ 2s.
D, being placed in obtaining insulator in step C in baking oven, keeping oven temperature is 70 DEG C, obtains the super-hydrophobic insulator of antifouling work after solidifying 1.5 hours.
The length in service life of the super-hydrophobic insulator of antifouling work of the present invention, ageing-resistant performance are high, hydrophobic performance is excellent, the filthy cumulant of insulator surface can be effectively reduced under the conditions of haze heavy pollution, improve resistance to pollution flashover performance, it is ensured that the long-term reliability of power system external insulation.Additionally, the preparation process of the super-hydrophobic insulator of antifouling work of the present invention is simple, it is not necessary to expensive device, effectively reduce production cost.
Claims (4)
1. the super-hydrophobic coat for antifouling flash insulator, it is characterised in that: include the finishing coat being arranged on outer surface of insulator and the super-hydrophobic coat being arranged on finishing coat；
Described finishing coat is made up of surface decorating liquid, and surface decorating liquid is made up of the coating material propyl trimethoxy silicane that mass ratio is 1:15 ~ 20 and ethanol, and described super-hydrophobic coat is made up of nano silicon super hydrophobic coating.
2. the super-hydrophobic insulator of antifouling work, including insulator body and the super-hydrophobic coat being coated in insulator body outer surface, it is characterised in that: described super-hydrophobic coat includes the finishing coat being arranged on insulator body outer surface and the super-hydrophobic coat being arranged on finishing coat；
Described finishing coat is made up of surface decorating liquid, and surface decorating liquid is made up of the coating material propyl trimethoxy silicane that mass ratio is 1:15 ~ 20 and ethanol, and described super-hydrophobic coat is made up of nano silicon super hydrophobic coating.
3. the super-hydrophobic insulator of antifouling work as claimed in claim 2, it is characterised in that: described insulator body is glass or ceramic material.
4. the preparation technology of the super-hydrophobic insulator of antifouling work as claimed in claim 2, it is characterised in that: comprise the following steps；
A, insulator body being at room temperature sequentially placed and carry out ultrasonic cleaning in dehydrated alcohol and deionized water, the insulator body after cleaning is positioned in baking oven drying, it is thus achieved that the insulator of surface cleaning, subsequently into step B；
B, by coating material propyl trimethoxy silicane that mass ratio is 1:15 ~ 20 and ethanol mix homogeneously, the insulator that the mixed solution obtained and step A obtain is placed in chemical reaction kettle, holding system reaction temperature is 50 ~ 70 DEG C, after reaction carries out 1 ~ 1.5 hour, obtain outer surface and have the insulator of finishing coat, subsequently into step C；
C, employing airless spray technique, air pump pressure is set to 6 ~ 8MPa, air pumps out air valve pressure and is set to 0.3 ~ 0.5MPa, use the spray gun of 0.3mm ~ 0.4mm bore, and by flow-control per second for spray gun between 0.01L ~ 0.05L, keeping the nozzle of spray gun and the distance being sprayed-on between surface of insulator is 150mm ~ 250mm, air-flow axial line is 70 ~ 90 ° with the angle being sprayed-on surface, nano silicon super hydrophobic coating is evenly applied to the insulator surface that step B obtains, during spraying, the time of staying at same position is 1 ~ 2s, subsequently into step D；
D, being placed in obtaining insulator in step C in baking oven, keeping oven temperature is 70 ~ 90 DEG C, solidifies 1 ~ 1.5 hour, obtains the super-hydrophobic insulator of antifouling work.
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106319601A (en) * | 2016-10-13 | 2017-01-11 | 重庆大学 | Preparing method for super-hydrophobic type porous metal coating |
| CN106910580A (en) * | 2017-04-28 | 2017-06-30 | 南京工业大学 | A kind of insulator surface plasma hydrophobicity is modified integral treatment method |
| CN107758552A (en) * | 2017-11-27 | 2018-03-06 | 国网河南省电力公司电力科学研究院 | A kind of close filthy sampler of lift measurement equivalent salt density ash |
| CN108447629A (en) * | 2018-02-22 | 2018-08-24 | 江苏神马电力股份有限公司 | Insulator and preparation method thereof |
| CN109280486A (en) * | 2018-09-12 | 2019-01-29 | 国网江苏省电力有限公司泰州供电分公司 | A kind of insulator ice-phobic coating construction method |
| CN109457226A (en) * | 2018-09-12 | 2019-03-12 | 国网江苏省电力有限公司泰州供电分公司 | A kind of insulator surface coating sputtering preparation method |
| CN109593387A (en) * | 2018-11-20 | 2019-04-09 | 安徽伊法拉电气有限公司 | A kind of preparation process of the super self-cleaning anti-pollution flash insulator of super-hydrophobic applied to electric system |
| CN110699668A (en) * | 2019-10-16 | 2020-01-17 | 湖北大学 | Composite coating body, preparation method and application thereof, and solar cell |
| CN114517053A (en) * | 2022-03-17 | 2022-05-20 | 北京世纪航凯电力科技股份有限公司 | High-hydrophobicity anti-pollution flashover coating and preparation method thereof |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106319601A (en) * | 2016-10-13 | 2017-01-11 | 重庆大学 | Preparing method for super-hydrophobic type porous metal coating |
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| CN106910580A (en) * | 2017-04-28 | 2017-06-30 | 南京工业大学 | A kind of insulator surface plasma hydrophobicity is modified integral treatment method |
| CN107758552A (en) * | 2017-11-27 | 2018-03-06 | 国网河南省电力公司电力科学研究院 | A kind of close filthy sampler of lift measurement equivalent salt density ash |
| CN107758552B (en) * | 2017-11-27 | 2023-10-20 | 国网河南省电力公司电力科学研究院 | Lifting sampling device for measuring equivalent salt density and ash density pollution |
| CN108447629A (en) * | 2018-02-22 | 2018-08-24 | 江苏神马电力股份有限公司 | Insulator and preparation method thereof |
| CN109280486A (en) * | 2018-09-12 | 2019-01-29 | 国网江苏省电力有限公司泰州供电分公司 | A kind of insulator ice-phobic coating construction method |
| CN109457226A (en) * | 2018-09-12 | 2019-03-12 | 国网江苏省电力有限公司泰州供电分公司 | A kind of insulator surface coating sputtering preparation method |
| CN109593387A (en) * | 2018-11-20 | 2019-04-09 | 安徽伊法拉电气有限公司 | A kind of preparation process of the super self-cleaning anti-pollution flash insulator of super-hydrophobic applied to electric system |
| CN110699668A (en) * | 2019-10-16 | 2020-01-17 | 湖北大学 | Composite coating body, preparation method and application thereof, and solar cell |
| CN110699668B (en) * | 2019-10-16 | 2022-01-25 | 湖北大学 | Composite coating body, preparation method and application thereof, and solar cell |
| CN114517053A (en) * | 2022-03-17 | 2022-05-20 | 北京世纪航凯电力科技股份有限公司 | High-hydrophobicity anti-pollution flashover coating and preparation method thereof |
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Application publication date: 20160803 |