WO2021212706A1 - Insulating coating and processing technology therefor - Google Patents

Insulating coating and processing technology therefor Download PDF

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WO2021212706A1
WO2021212706A1 PCT/CN2020/109995 CN2020109995W WO2021212706A1 WO 2021212706 A1 WO2021212706 A1 WO 2021212706A1 CN 2020109995 W CN2020109995 W CN 2020109995W WO 2021212706 A1 WO2021212706 A1 WO 2021212706A1
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parts
add
combined solvent
thermoplastic elastomer
minutes
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French (fr)
Chinese (zh)
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谢晶瑾
谢眺
谢佐鹏
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温岭市电力绝缘器材有限公司
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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
    • C09D183/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Coating compositions based on derivatives of such polymers
    • C09D183/04—Polysiloxanes
    • 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
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • 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
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/18—Fireproof paints including high temperature resistant paints
    • 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
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/20—Diluents or solvents
    • 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
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/60—Additives non-macromolecular
    • C09D7/61—Additives non-macromolecular inorganic
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00—Specific properties of additives
    • C08K2201/011—Nanostructured additives
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/08—Stabilised against heat, light or radiation or oxydation
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2203/00—Applications
    • C08L2203/20—Applications use in electrical or conductive gadgets
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2207/00—Properties characterising the ingredient of the composition
    • C08L2207/04—Thermoplastic elastomer

Definitions

  • the invention belongs to an insulating coating, in particular to an insulating coating and its processing technology.
  • ceramic and glass insulators have been widely used in the field of transmission and distribution line operation due to their high mechanical strength, good electrical insulation performance and long-term outdoor aging resistance.
  • the hydrophilicity of the surface of ceramic and glass insulators causes the overall insulation level of the insulator to drop under rain or wet weather, especially after the surface of the insulator is contaminated, the contamination will be damp under drizzle, fog or dew and other climatic conditions, and the creepage distance will be rapid. Reduced, causing wet flash and pollution flash operation accidents, large-scale power outages, and serious losses to the national economy and people’s lives.
  • the dielectric constant and dielectric loss will be greatly reduced after being damp, which will seriously affect the wave-transmitting performance, and even the wave-transmitting failure.
  • the purpose of the present invention is to solve the above-mentioned problems in the prior art, and propose an insulating coating that is moisture-proof and waterproof, has a long life and has good wave-transmitting performance.
  • Another object of the present invention is to provide an insulating coating processing process that is easy to implement.
  • an insulating coating characterized in that it comprises the following mass parts of materials: 90-110 parts of organic silicon powder solid resin, 75-150 parts of combined solvent, 8-12 parts of thermoplastic elastomer, 3-10 parts of fluorosurfactant, 50-80 parts of ultrafine mica powder, 2-9 parts of nano-silica, 3-8 parts of hydrocarbon-based silicone oil, of which the combined solvent is used to melt organic Silicon powder-like solid resin.
  • the above-mentioned combined solvent is composed of at least two materials with the following parts by mass: 30-50 parts of toluene, 30-50 parts of acetone, and 30-50 parts of isopropanol.
  • thermoplastic elastomer is SEBS.
  • thermoplastic elastomer can also be TPU or TPV.
  • the coating has a series of advantages such as hydrophobic, moisture-proof, anti-corona, weather resistance, arc resistance, etc., and can be used as a coating for insulators and high-voltage electrical appliances (including transformers, transformers, capacitors, switches, etc.). Effectively prevent pollution flashover failures, and greatly improve the insulation performance and operational safety of power transmission and distribution lines.
  • the coating also has a low dielectric constant and dielectric loss, and can be widely used in high-frequency wave-transmitting equipment such as telecommunications, aerospace, antennas, and radomes.
  • a processing technology of insulating coating which is characterized in that it comprises the following steps:
  • step B Add nano-silica: add nano-silica to the combined solvent prepared in step A, and disperse at high speed for 20-40 minutes, so that the nano-silica and the combined solvent are fully mixed;
  • step C Add organic silicon powdery solid resin: Add organic silicon powdery solid resin to the mixture prepared in step B, and disperse at high speed for 20-30 minutes to fully melt the organic silicon powdery solid resin;
  • thermoplastic elastomer Add powdered thermoplastic elastomer to the mixture prepared in step C, and disperse it at high speed for 10-20 minutes to fully melt the thermoplastic elastomer to improve the airtightness of the coating;
  • step F Adding hydrocarbon-based silicone oil: Add hydrocarbon-based silicone oil to the mixture prepared in step E, and disperse it at high speed for 9-11 minutes, so that the coating has the characteristics of hydrophobic migration when the surface area is dirty;
  • the insulating coating and its processing technology have the following advantages:
  • the coating has strong long life and anti-destructive performance, and the above advantages are further strengthened by fluorosurfactant, which can further improve the waterproof and moisture-proof performance of the coating. .
  • thermoplastic elastomer can effectively improve the air-tightness of the coating, which can ensure that ceramics, glass insulators, high-voltage electrical equipment, antennas, and radomes maintain excellent wave-transmitting and insulating properties for a long time, and exert their effects stably.
  • Figure 1 is a flow chart of the processing technology of insulating coatings.
  • Figure 2 is the first page of the insulating coating test report.
  • Figure 3 is the second page of the insulating coating test report.
  • Figure 4 is the third page of the test report for insulating coatings.
  • Figure 5 is the fourth page of the test report for insulating coatings.
  • the insulating coating includes the following materials in parts by mass: 90 parts of organic silicon powder solid resin, 75 parts of combined solvent, 8 parts of thermoplastic elastomer, 3 parts of fluorosurfactant, 50 parts of ultrafine mica powder, 2 parts of nano silica Parts, 3 parts of hydrocarbon-based silicone oil, of which the combined solvent is used to dissolve the silicone powdery solid resin.
  • the combined solvent is composed of at least two materials with the following mass parts: 30-50 parts of toluene, 30-50 parts of acetone, and 30-50 parts of isopropanol.
  • the combined solvent can be composed of toluene and acetone or toluene and isopropanol or acetone and isopropanol or toluene, acetone and isopropanol, and it is preferable that the two materials or three materials constituting the combined solvent are uniformly mixed.
  • the thermoplastic elastomer is SEBS. Naturally, the thermoplastic elastomer can also be TPU or TPV.
  • the combined solvent is preferably composed of toluene and acetone.
  • the coating has a series of advantages such as hydrophobic, moisture-proof, anti-corona, weather resistance, arc resistance, etc., and can be used as a coating for insulators and high-voltage electrical appliances (including transformers, transformers, capacitors, switches, etc.). Effectively prevent pollution flashover failures, and greatly improve the insulation performance and operational safety of power transmission and distribution lines.
  • the coating also has a low dielectric constant and dielectric loss, and can be widely used in high-frequency wave-transmitting equipment such as telecommunications, aerospace, antennas, and radomes.
  • the processing technology of the insulating coating includes the following steps:
  • step B Add nano-silica: add nano-silica to the combined solvent prepared in step A, and disperse at high speed for 20 minutes, so that the nano-silica and the combined solvent are fully mixed;
  • step C Add organic silicon powdery solid resin: Add organic silicon powdery solid resin to the mixture prepared in step B, and disperse at high speed for 20 minutes to fully melt the organic silicon powdery solid resin;
  • thermoplastic elastomer Add powdered thermoplastic elastomer to the mixture prepared in step C, and disperse it at high speed for 10 minutes to fully melt the thermoplastic elastomer;
  • step F Adding hydrocarbon-based silicone oil: Add hydrocarbon-based silicone oil to the mixture prepared in step E, and disperse at high speed for 9 minutes;
  • the insulating coating includes the following materials in parts by mass: 100 parts of organic silicon powder solid resin, 100 parts of combined solvent, 10 parts of thermoplastic elastomer, 5 parts of fluorosurfactant, 60 parts of ultrafine mica powder, 5 parts of nano silica Parts, 5 parts of hydrocarbon-based silicone oil, of which the combined solvent is used to dissolve the organic silicon powdery solid resin.
  • the combined solvent is composed of at least two materials with the following mass parts: 30-50 parts of toluene, 30-50 parts of acetone, and 30-50 parts of isopropanol.
  • the combined solvent can be composed of toluene and acetone or toluene and isopropanol or acetone and isopropanol or toluene, acetone and isopropanol, and it is preferable that the two materials or three materials constituting the combined solvent are uniformly mixed.
  • the thermoplastic elastomer is SEBS. Naturally, the thermoplastic elastomer can also be TPU or TPV. In this embodiment, the combined solvent is composed of toluene and isopropanol.
  • the processing technology of insulating coating includes the following steps:
  • step B Add nano-silica: add nano-silica to the combined solvent prepared in step A, and disperse at high speed for 30 minutes, so that the nano-silica and the combined solvent are fully mixed;
  • step C Add organic silicon powdery solid resin: Add organic silicon powdery solid resin to the mixed solution prepared in step B, and disperse at high speed for 25 minutes to fully melt the organic silicon powdery solid resin;
  • thermoplastic elastomer Add powdered thermoplastic elastomer to the mixture prepared in step C, and disperse at high speed for 15 minutes to fully melt the thermoplastic elastomer;
  • step F Adding hydrocarbon-based silicone oil: Add hydrocarbon-based silicone oil to the mixture prepared in step E, and disperse at high speed for 10 minutes;
  • the insulating coating includes the following materials in parts by mass: 105 parts of organic silicon powder solid resin, 130 parts of combined solvent, 11 parts of thermoplastic elastomer, 6 parts of fluorosurfactant, 70 parts of ultrafine mica powder, 6 parts of nano silica Parts, 6 parts of hydrocarbon-based silicone oil, of which the combined solvent is used to dissolve the organic silicon powdery solid resin.
  • the combined solvent is composed of the following three parts by mass: 30-50 parts by mass of toluene, 30-50 parts by acetone, and 30-50 parts by isopropanol.
  • the three materials constituting the combined solvent are relatively uniform.
  • the thermoplastic elastomer is SEBS. Naturally, the thermoplastic elastomer can also be TPU or TPV. In this embodiment, the combined solvent is acetone and isopropanol.
  • the processing technology of insulating coating includes the following steps:
  • step B Add nano-silica: add nano-silica to the combined solvent prepared in step A, and disperse at high speed for 35 minutes, so that the nano-silica and the combined solvent are fully mixed;
  • step C Add organic silicon powdery solid resin: Add organic silicon powdery solid resin to the mixed solution prepared in step B, and disperse at high speed for 28 minutes to fully melt the organic silicon powdery solid resin;
  • thermoplastic elastomer Add powdered thermoplastic elastomer to the mixture prepared in step C, and disperse at high speed for 16 minutes to fully melt the thermoplastic elastomer;
  • step F Adding hydrocarbon-based silicone oil: Add hydrocarbon-based silicone oil to the mixture prepared in step E, and disperse at high speed for 10.5 minutes;
  • the insulating coating includes the following materials in parts by mass: 110 parts of organic silicon powder solid resin, 150 parts of combined solvent, 12 parts of thermoplastic elastomer, 10 parts of fluorosurfactant, 80 parts of superfine mica powder, 9 parts of nano silica Parts, 8 parts of hydrocarbon-based silicone oil, of which the combined solvent is used to dissolve the silicone powdery solid resin.
  • the combined solvent is composed of the following three parts by mass: 50 parts of toluene, 50 parts of acetone, and 50 parts of isopropanol.
  • the thermoplastic elastomer is SEBS. Naturally, the thermoplastic elastomer can also be TPU or TPV. In this embodiment, the combined solvent is composed of toluene, acetone, and isopropanol.
  • the processing technology of the insulating coating includes the following steps:
  • nano-silica add nano-silica to the combined solvent prepared in step A, and disperse at a high speed for 40 minutes, so that the nano-silica and the combined solvent are fully mixed;
  • step C Add organic silicon powdery solid resin: Add organic silicon powdery solid resin to the mixture prepared in step B, and disperse at high speed for 30 minutes to fully melt the organic silicon powdery solid resin;
  • thermoplastic elastomer Add powdered thermoplastic elastomer to the mixture prepared in step C, and disperse it at high speed for 20 minutes to fully melt the thermoplastic elastomer;
  • step F Adding hydrocarbon-based silicone oil: Add hydrocarbon-based silicone oil to the mixture prepared in step E, and disperse at high speed for 11 minutes;

Abstract

Provided are an insulating coating and a processing technology therefor, which solve the problem of the short service life of existing coatings. In the present insulating coating and the processing technology therefor, the insulating coating comprises the following materials in parts by mass: 90-110 parts of a powdered solid organosilicon resin, 75-150 parts of a combined solvent, 8-12 parts of a thermoplastic elastomer, 3-10 parts of a fluoro-surfactant, 50-80 parts of a superfine mica powder, 2-9 parts of nano silicon dioxide, and 3-8 parts of a hydrocarbon-based silicone oil, wherein the combined solvent is used to dissolve the powdered solid organosilicon resin; and the technology comprises the following steps: A. preparing the combined solvent; B. adding the nano silicon dioxide; C. adding the powdered solid organosilicon resin; D. adding the thermoplastic elastomer; E. adding the fluoro-surfactant; F. adding the hydrocarbon-based silicone oil; and G. adding the superfine mica powder. The present insulating coating and the processing technology therefor have a long service life.

Description

一种绝缘涂料及其加工工艺Insulating paint and its processing technology 技术领域Technical field
本发明属于涉及一种绝缘涂料，特别是一种绝缘涂料及其加工工艺。The invention belongs to an insulating coating, in particular to an insulating coating and its processing technology.
背景技术Background technique
长期以来，陶瓷、玻璃绝缘子由于机械强度高、电气绝缘性能好和耐长期户外老化等优点，在输配电线路运行领域得到长期广泛的应用。但是，陶瓷、玻璃绝缘子表面的亲水性，导致绝缘子在下雨或潮湿天气下，整体绝缘水平下降，特别是绝缘子表面积污后，污秽在毛毛雨或雾或露等气候条件下受潮，爬电距离迅速减少，造成湿闪、污闪运行事故，出现大面积停电，给国家经济和人们生活带来严重损失。For a long time, ceramic and glass insulators have been widely used in the field of transmission and distribution line operation due to their high mechanical strength, good electrical insulation performance and long-term outdoor aging resistance. However, the hydrophilicity of the surface of ceramic and glass insulators causes the overall insulation level of the insulator to drop under rain or wet weather, especially after the surface of the insulator is contaminated, the contamination will be damp under drizzle, fog or dew and other climatic conditions, and the creepage distance will be rapid. Reduced, causing wet flash and pollution flash operation accidents, large-scale power outages, and serious losses to the national economy and people’s lives.
针对上述问题，人们发明了一种合成绝缘子和RTV硅橡胶防污闪涂料，其能有效提高陶瓷、玻璃绝缘子的防污闪、湿闪水平，但是上述涂料存在抗紫外线天候能力差的问题，导致其寿命短，而且存在容易被鸟啄、虫咬破坏的缺陷。In response to the above problems, people invented a synthetic insulator and RTV silicone rubber anti-pollution flashover coating, which can effectively improve the anti-pollution flashover and wet flashover levels of ceramic and glass insulators. However, the above coating has the problem of poor UV resistance, resulting in Its life span is short, and it has the defects of being easily damaged by birds and insect bites.
同时，针对电信通讯、航空航天、天线和雷达罩等透波设备，受潮后会出现介电常数和介质损耗的大幅度降低，严重影响透波性能，甚至透波失效。At the same time, for wave-transmitting equipment such as telecommunications, aerospace, antennas and radomes, the dielectric constant and dielectric loss will be greatly reduced after being damp, which will seriously affect the wave-transmitting performance, and even the wave-transmitting failure.
发明内容Summary of the invention
本发明的目的是针对现有的技术存在上述问题，提出了一种防潮防水、寿命长且透波性能好的绝缘涂料。The purpose of the present invention is to solve the above-mentioned problems in the prior art, and propose an insulating coating that is moisture-proof and waterproof, has a long life and has good wave-transmitting performance.
本发明的另一个目的是：提供一种便于实施的绝缘涂料的加 工工艺。Another object of the present invention is to provide an insulating coating processing process that is easy to implement.
本发明的第一个目的可通过下列技术方案来实现：一种绝缘涂料，其特征在于，包括以下质量份数的材料：有机硅粉状固体树脂90～110份，组合溶剂75～150份，热塑性弹性体8～12份，氟表面活性剂3～10份，超细云母粉50～80份，纳米二氧化硅2～9份，烃基硅油3～8份，其中，组合溶剂用于溶化有机硅粉状固体树脂。The first object of the present invention can be achieved by the following technical solutions: an insulating coating, characterized in that it comprises the following mass parts of materials: 90-110 parts of organic silicon powder solid resin, 75-150 parts of combined solvent, 8-12 parts of thermoplastic elastomer, 3-10 parts of fluorosurfactant, 50-80 parts of ultrafine mica powder, 2-9 parts of nano-silica, 3-8 parts of hydrocarbon-based silicone oil, of which the combined solvent is used to melt organic Silicon powder-like solid resin.
在上述的绝缘涂料中，上述的组合溶剂由至少两种以下质量份数的材料组成：甲苯30～50份，丙酮30～50份，异丙醇30～50份。In the above-mentioned insulating coating, the above-mentioned combined solvent is composed of at least two materials with the following parts by mass: 30-50 parts of toluene, 30-50 parts of acetone, and 30-50 parts of isopropanol.
在上述的绝缘涂料中，上述的热塑性弹性体为SEBS。自然，热塑性弹性体也可以为TPU或TPV。In the above-mentioned insulating coating, the above-mentioned thermoplastic elastomer is SEBS. Naturally, the thermoplastic elastomer can also be TPU or TPV.
采用上述配方，使涂料同时具备疏水、防潮、防电晕、耐天候、耐电弧等一系列优点，可用作绝缘子、高压电器(包括变压器、互感器、电容器、开关等)的涂层，可有效防止污闪故障，极大的提高输配电线路的绝缘性能和运行安全。Using the above formula, the coating has a series of advantages such as hydrophobic, moisture-proof, anti-corona, weather resistance, arc resistance, etc., and can be used as a coating for insulators and high-voltage electrical appliances (including transformers, transformers, capacitors, switches, etc.). Effectively prevent pollution flashover failures, and greatly improve the insulation performance and operational safety of power transmission and distribution lines.
同时，该涂料还具备较低的介电常数和介电损耗，可广泛应用在电信通讯、航空航天、天线、雷达罩等高频透波设备上使用。At the same time, the coating also has a low dielectric constant and dielectric loss, and can be widely used in high-frequency wave-transmitting equipment such as telecommunications, aerospace, antennas, and radomes.
本发明的另一个目的可通过下列技术方案来实现：一种绝缘涂料的加工工艺，其特征在于，包括以下步骤：Another object of the present invention can be achieved by the following technical solutions: a processing technology of insulating coating, which is characterized in that it comprises the following steps:
A、组合溶剂制备：采用甲苯、丙酮和异丙醇这三种材料中的至少两种材料相对均匀的混合以形成组合溶剂；A. Preparation of combined solvent: At least two of the three materials of toluene, acetone and isopropanol are relatively uniformly mixed to form a combined solvent;
B、加入纳米二氧化硅：往A步骤制备的组合溶剂中加入纳米二氧化硅，高速分散20～40min，使纳米二氧化硅和组合溶剂充分混合；B. Add nano-silica: add nano-silica to the combined solvent prepared in step A, and disperse at high speed for 20-40 minutes, so that the nano-silica and the combined solvent are fully mixed;
C、加入有机硅粉状固体树脂：往B步骤制备的混合液中加入有机硅粉状固体树脂，高速分散20～30min，使有机硅粉状固体树脂充分溶化；C. Add organic silicon powdery solid resin: Add organic silicon powdery solid resin to the mixture prepared in step B, and disperse at high speed for 20-30 minutes to fully melt the organic silicon powdery solid resin;
D、加入热塑性弹性体：往C步骤制备的混合液中加入呈粉状的热塑性弹性体，高速分散10～20min，使热塑性弹性体充分溶化，以提高涂料的气密性；D. Adding thermoplastic elastomer: Add powdered thermoplastic elastomer to the mixture prepared in step C, and disperse it at high speed for 10-20 minutes to fully melt the thermoplastic elastomer to improve the airtightness of the coating;
E、加入氟表面活性剂：往D步骤制备的混合液中加入氟表面活性剂，高速分散9～11min，以降低涂料表面张力，使涂料具有疏水或超疏水性能；E. Add fluorosurfactant: Add fluorosurfactant to the mixture prepared in step D, and disperse at high speed for 9-11 minutes to reduce the surface tension of the coating and make the coating have hydrophobic or super-hydrophobic properties;
F、加入烃基硅油：往E步骤制备的混合液中加入烃基硅油，高速分散9～11min，使涂料具有表面积污时憎水迁移特性；F. Adding hydrocarbon-based silicone oil: Add hydrocarbon-based silicone oil to the mixture prepared in step E, and disperse it at high speed for 9-11 minutes, so that the coating has the characteristics of hydrophobic migration when the surface area is dirty;
G、加入超细云母粉：在高速搅拌分散下，往F步骤制备的混合液内逐步添加超细云母粉，且上述高速搅拌分散持续20～30min。G. Add ultra-fine mica powder: Under high-speed stirring and dispersion, gradually add ultra-fine mica powder to the mixture prepared in step F, and the above-mentioned high-speed stirring and dispersion lasts for 20-30 minutes.
与现有技术相比，本绝缘涂料及其加工工艺具有以下优点：Compared with the prior art, the insulating coating and its processing technology have the following advantages:
1、通过充分利用有机硅树脂高温绝缘、高硬度和耐天候的优点，使涂料具备较强寿命长和抗破坏性能，并通过氟表面活性剂进一步强化上述优点，可进一步提高涂料的防水防潮性能。1. By making full use of the advantages of high temperature insulation, high hardness and weather resistance of silicone resin, the coating has strong long life and anti-destructive performance, and the above advantages are further strengthened by fluorosurfactant, which can further improve the waterproof and moisture-proof performance of the coating. .
2、加入少量的热塑性弹性体，有效提高涂料的气密性，可确保陶瓷、玻璃绝缘子、高压电气设备及天线、雷达罩长期保持优秀的透波绝缘性能，稳定发挥其效果。2. Adding a small amount of thermoplastic elastomer can effectively improve the air-tightness of the coating, which can ensure that ceramics, glass insulators, high-voltage electrical equipment, antennas, and radomes maintain excellent wave-transmitting and insulating properties for a long time, and exert their effects stably.
附图说明Description of the drawings
图1是绝缘涂料的加工工艺的流程图。Figure 1 is a flow chart of the processing technology of insulating coatings.
图2是绝缘涂料检测报告第一页。Figure 2 is the first page of the insulating coating test report.
图3是绝缘涂料检测报告第二页。Figure 3 is the second page of the insulating coating test report.
图4是绝缘涂料的检测报告第三页。Figure 4 is the third page of the test report for insulating coatings.
图5是绝缘涂料的检测报告第四页。Figure 5 is the fourth page of the test report for insulating coatings.
具体实施方式Detailed ways
以下是本发明的具体实施例并结合附图，对本发明的技术方 案作进一步的描述，但本发明并不限于这些实施例。The following are specific embodiments of the present invention combined with the accompanying drawings to further describe the technical solutions of the present invention, but the present invention is not limited to these embodiments.
实施例一Example one
本绝缘涂料包括以下质量份数的材料：有机硅粉状固体树脂90份，组合溶剂75份，热塑性弹性体8份，氟表面活性剂3份，超细云母粉50份，纳米二氧化硅2份，烃基硅油3份，其中，组合溶剂用于溶化有机硅粉状固体树脂。该组合溶剂由至少两种以下质量份数的材料组成：甲苯30～50份，丙酮30～50份，异丙醇30～50份。即组合溶剂可由甲苯和丙酮或甲苯和异丙醇或丙酮和异丙醇或甲苯、丙酮和异丙醇组成，且优选组成组合溶剂的两种材料或三种材料配比较为均匀。热塑性弹性体为SEBS。自然，热塑性弹性体也可以为TPU或TPV。在本实施例中，优选组合溶剂由甲苯和丙酮组成。The insulating coating includes the following materials in parts by mass: 90 parts of organic silicon powder solid resin, 75 parts of combined solvent, 8 parts of thermoplastic elastomer, 3 parts of fluorosurfactant, 50 parts of ultrafine mica powder, 2 parts of nano silica Parts, 3 parts of hydrocarbon-based silicone oil, of which the combined solvent is used to dissolve the silicone powdery solid resin. The combined solvent is composed of at least two materials with the following mass parts: 30-50 parts of toluene, 30-50 parts of acetone, and 30-50 parts of isopropanol. That is, the combined solvent can be composed of toluene and acetone or toluene and isopropanol or acetone and isopropanol or toluene, acetone and isopropanol, and it is preferable that the two materials or three materials constituting the combined solvent are uniformly mixed. The thermoplastic elastomer is SEBS. Naturally, the thermoplastic elastomer can also be TPU or TPV. In this embodiment, the combined solvent is preferably composed of toluene and acetone.
采用上述配方，使涂料同时具备疏水、防潮、防电晕、耐天候、耐电弧等一系列优点，可用作绝缘子、高压电器(包括变压器、互感器、电容器、开关等)的涂层，可有效防止污闪故障，极大的提高输配电线路的绝缘性能和运行安全。同时，该涂料还具备较低的介电常数和介电损耗，可广泛应用在电信通讯、航空航天、天线、雷达罩等高频透波设备上使用。Using the above formula, the coating has a series of advantages such as hydrophobic, moisture-proof, anti-corona, weather resistance, arc resistance, etc., and can be used as a coating for insulators and high-voltage electrical appliances (including transformers, transformers, capacitors, switches, etc.). Effectively prevent pollution flashover failures, and greatly improve the insulation performance and operational safety of power transmission and distribution lines. At the same time, the coating also has a low dielectric constant and dielectric loss, and can be widely used in high-frequency wave-transmitting equipment such as telecommunications, aerospace, antennas, and radomes.
该绝缘涂料的加工工艺包括以下步骤：The processing technology of the insulating coating includes the following steps:
A、组合溶剂制备：采用甲苯、丙酮和异丙醇这三种材料中的至少两种材料相对均匀的混合以形成组合溶剂；A. Preparation of combined solvent: At least two of the three materials of toluene, acetone and isopropanol are relatively uniformly mixed to form a combined solvent;
B、加入纳米二氧化硅：往A步骤制备的组合溶剂中加入纳米二氧化硅，高速分散20min，使纳米二氧化硅和组合溶剂充分混合；B. Add nano-silica: add nano-silica to the combined solvent prepared in step A, and disperse at high speed for 20 minutes, so that the nano-silica and the combined solvent are fully mixed;
C、加入有机硅粉状固体树脂：往B步骤制备的混合液中加入有机硅粉状固体树脂，高速分散20min，使有机硅粉状固体树脂充分溶化；C. Add organic silicon powdery solid resin: Add organic silicon powdery solid resin to the mixture prepared in step B, and disperse at high speed for 20 minutes to fully melt the organic silicon powdery solid resin;
D、加入热塑性弹性体：往C步骤制备的混合液中加入呈粉状 的热塑性弹性体，高速分散10min，使热塑性弹性体充分溶化；D. Add thermoplastic elastomer: Add powdered thermoplastic elastomer to the mixture prepared in step C, and disperse it at high speed for 10 minutes to fully melt the thermoplastic elastomer;
E、加入氟表面活性剂：往D步骤制备的混合液中加入氟表面活性剂，高速分散9min；E. Add fluorosurfactant: add fluorosurfactant to the mixture prepared in step D, and disperse at high speed for 9 minutes;
F、加入烃基硅油：往E步骤制备的混合液中加入烃基硅油，高速分散9min；F. Adding hydrocarbon-based silicone oil: Add hydrocarbon-based silicone oil to the mixture prepared in step E, and disperse at high speed for 9 minutes;
G、加入超细云母粉：在高速搅拌分散下，往F步骤制备的混合液内逐步添加超细云母粉，且上述高速搅拌分散持续20min。G. Add ultra-fine mica powder: Under high-speed stirring and dispersion, gradually add ultra-fine mica powder to the mixed solution prepared in step F, and the above-mentioned high-speed stirring and dispersion lasts for 20 minutes.
实施例二Example two
本绝缘涂料包括以下质量份数的材料：有机硅粉状固体树脂100份，组合溶剂100份，热塑性弹性体10份，氟表面活性剂5份，超细云母粉60份，纳米二氧化硅5份，烃基硅油5份，其中，组合溶剂用于溶化有机硅粉状固体树脂。该组合溶剂由至少两种以下质量份数的材料组成：甲苯30～50份，丙酮30～50份，异丙醇30～50份。即组合溶剂可由甲苯和丙酮或甲苯和异丙醇或丙酮和异丙醇或甲苯、丙酮和异丙醇组成，且优选组成组合溶剂的两种材料或三种材料配比较为均匀。热塑性弹性体为SEBS。自然，热塑性弹性体也可以为TPU或TPV。在本实施例中，组合溶剂由甲苯和异丙醇组成。The insulating coating includes the following materials in parts by mass: 100 parts of organic silicon powder solid resin, 100 parts of combined solvent, 10 parts of thermoplastic elastomer, 5 parts of fluorosurfactant, 60 parts of ultrafine mica powder, 5 parts of nano silica Parts, 5 parts of hydrocarbon-based silicone oil, of which the combined solvent is used to dissolve the organic silicon powdery solid resin. The combined solvent is composed of at least two materials with the following mass parts: 30-50 parts of toluene, 30-50 parts of acetone, and 30-50 parts of isopropanol. That is, the combined solvent can be composed of toluene and acetone or toluene and isopropanol or acetone and isopropanol or toluene, acetone and isopropanol, and it is preferable that the two materials or three materials constituting the combined solvent are uniformly mixed. The thermoplastic elastomer is SEBS. Naturally, the thermoplastic elastomer can also be TPU or TPV. In this embodiment, the combined solvent is composed of toluene and isopropanol.
绝缘涂料的加工工艺包括以下步骤：The processing technology of insulating coating includes the following steps:
A、组合溶剂制备：采用甲苯、丙酮和异丙醇这三种材料中的至少两种材料相对均匀的混合以形成组合溶剂；A. Preparation of combined solvent: At least two of the three materials of toluene, acetone and isopropanol are relatively uniformly mixed to form a combined solvent;
B、加入纳米二氧化硅：往A步骤制备的组合溶剂中加入纳米二氧化硅，高速分散30min，使纳米二氧化硅和组合溶剂充分混合；B. Add nano-silica: add nano-silica to the combined solvent prepared in step A, and disperse at high speed for 30 minutes, so that the nano-silica and the combined solvent are fully mixed;
C、加入有机硅粉状固体树脂：往B步骤制备的混合液中加入有机硅粉状固体树脂，高速分散25min，使有机硅粉状固体树脂充分溶化；C. Add organic silicon powdery solid resin: Add organic silicon powdery solid resin to the mixed solution prepared in step B, and disperse at high speed for 25 minutes to fully melt the organic silicon powdery solid resin;
D、加入热塑性弹性体：往C步骤制备的混合液中加入呈粉状 的热塑性弹性体，高速分散15min，使热塑性弹性体充分溶化；D. Adding thermoplastic elastomer: Add powdered thermoplastic elastomer to the mixture prepared in step C, and disperse at high speed for 15 minutes to fully melt the thermoplastic elastomer;
E、加入氟表面活性剂：往D步骤制备的混合液中加入氟表面活性剂，高速分散10min；E. Add fluorosurfactant: Add fluorosurfactant to the mixture prepared in step D, and disperse at high speed for 10 minutes;
F、加入烃基硅油：往E步骤制备的混合液中加入烃基硅油，高速分散10min；F. Adding hydrocarbon-based silicone oil: Add hydrocarbon-based silicone oil to the mixture prepared in step E, and disperse at high speed for 10 minutes;
G、加入超细云母粉：在高速搅拌分散下，往F步骤制备的混合液内逐步添加超细云母粉，且上述高速搅拌分散持续25min。G. Add ultra-fine mica powder: Under high-speed stirring and dispersion, gradually add ultra-fine mica powder to the mixture prepared in step F, and the above-mentioned high-speed stirring and dispersion lasts for 25 minutes.
实施例三Example three
本绝缘涂料包括以下质量份数的材料：有机硅粉状固体树脂105份，组合溶剂130份，热塑性弹性体11份，氟表面活性剂6份，超细云母粉70份，纳米二氧化硅6份，烃基硅油6份，其中，组合溶剂用于溶化有机硅粉状固体树脂。组合溶剂由以下三种质量份数的材料组成：甲苯30～50份，丙酮30～50份，异丙醇30～50份，优选组成组合溶剂的三种材料配比较为均匀。热塑性弹性体为SEBS。自然，热塑性弹性体也可以为TPU或TPV。在本实施例中，组合溶剂为丙酮和异丙醇。The insulating coating includes the following materials in parts by mass: 105 parts of organic silicon powder solid resin, 130 parts of combined solvent, 11 parts of thermoplastic elastomer, 6 parts of fluorosurfactant, 70 parts of ultrafine mica powder, 6 parts of nano silica Parts, 6 parts of hydrocarbon-based silicone oil, of which the combined solvent is used to dissolve the organic silicon powdery solid resin. The combined solvent is composed of the following three parts by mass: 30-50 parts by mass of toluene, 30-50 parts by acetone, and 30-50 parts by isopropanol. Preferably, the three materials constituting the combined solvent are relatively uniform. The thermoplastic elastomer is SEBS. Naturally, the thermoplastic elastomer can also be TPU or TPV. In this embodiment, the combined solvent is acetone and isopropanol.
绝缘涂料的加工工艺包括以下步骤：The processing technology of insulating coating includes the following steps:
A、组合溶剂制备：采用甲苯、丙酮和异丙醇这三种材料中的至少两种材料相对均匀的混合以形成组合溶剂；A. Preparation of combined solvent: At least two of the three materials of toluene, acetone and isopropanol are relatively uniformly mixed to form a combined solvent;
B、加入纳米二氧化硅：往A步骤制备的组合溶剂中加入纳米二氧化硅，高速分散35min，使纳米二氧化硅和组合溶剂充分混合；B. Add nano-silica: add nano-silica to the combined solvent prepared in step A, and disperse at high speed for 35 minutes, so that the nano-silica and the combined solvent are fully mixed;
C、加入有机硅粉状固体树脂：往B步骤制备的混合液中加入有机硅粉状固体树脂，高速分散28min，使有机硅粉状固体树脂充分溶化；C. Add organic silicon powdery solid resin: Add organic silicon powdery solid resin to the mixed solution prepared in step B, and disperse at high speed for 28 minutes to fully melt the organic silicon powdery solid resin;
D、加入热塑性弹性体：往C步骤制备的混合液中加入呈粉状的热塑性弹性体，高速分散16min，使热塑性弹性体充分溶化；D. Adding thermoplastic elastomer: Add powdered thermoplastic elastomer to the mixture prepared in step C, and disperse at high speed for 16 minutes to fully melt the thermoplastic elastomer;
E、加入氟表面活性剂：往D步骤制备的混合液中加入氟表面 活性剂，高速分散10.5min；E. Add fluorosurfactant: add fluorosurfactant to the mixture prepared in step D, and disperse at high speed for 10.5 minutes;
F、加入烃基硅油：往E步骤制备的混合液中加入烃基硅油，高速分散10.5min；F. Adding hydrocarbon-based silicone oil: Add hydrocarbon-based silicone oil to the mixture prepared in step E, and disperse at high speed for 10.5 minutes;
G、加入超细云母粉：在高速搅拌分散下，往F步骤制备的混合液内逐步添加超细云母粉，且上述高速搅拌分散持续27min。G. Add ultra-fine mica powder: Under high-speed stirring and dispersion, gradually add ultra-fine mica powder to the mixture prepared in step F, and the above-mentioned high-speed stirring and dispersion lasts for 27 minutes.
实施例四Example four
本绝缘涂料包括以下质量份数的材料：有机硅粉状固体树脂110份，组合溶剂150份，热塑性弹性体12份，氟表面活性剂10份，超细云母粉80份，纳米二氧化硅9份，烃基硅油8份，其中，组合溶剂用于溶化有机硅粉状固体树脂。组合溶剂由以下三种质量份数的材料组成：甲苯50份，丙酮50份，异丙醇50份。热塑性弹性体为SEBS。自然，热塑性弹性体也可以为TPU或TPV。在本实施例中，组合溶剂由甲苯、丙酮和异丙醇组成。The insulating coating includes the following materials in parts by mass: 110 parts of organic silicon powder solid resin, 150 parts of combined solvent, 12 parts of thermoplastic elastomer, 10 parts of fluorosurfactant, 80 parts of superfine mica powder, 9 parts of nano silica Parts, 8 parts of hydrocarbon-based silicone oil, of which the combined solvent is used to dissolve the silicone powdery solid resin. The combined solvent is composed of the following three parts by mass: 50 parts of toluene, 50 parts of acetone, and 50 parts of isopropanol. The thermoplastic elastomer is SEBS. Naturally, the thermoplastic elastomer can also be TPU or TPV. In this embodiment, the combined solvent is composed of toluene, acetone, and isopropanol.
本绝缘涂料的加工工艺，包括以下步骤：The processing technology of the insulating coating includes the following steps:
A、组合溶剂制备：采用甲苯、丙酮和异丙醇这三种材料中的至少两种材料相对均匀的混合以形成组合溶剂；A. Preparation of combined solvent: At least two of the three materials of toluene, acetone and isopropanol are relatively uniformly mixed to form a combined solvent;
B、加入纳米二氧化硅：往A步骤制备的组合溶剂中加入纳米二氧化硅，高速分散40min，使纳米二氧化硅和组合溶剂充分混合；B. Add nano-silica: add nano-silica to the combined solvent prepared in step A, and disperse at a high speed for 40 minutes, so that the nano-silica and the combined solvent are fully mixed;
C、加入有机硅粉状固体树脂：往B步骤制备的混合液中加入有机硅粉状固体树脂，高速分散30min，使有机硅粉状固体树脂充分溶化；C. Add organic silicon powdery solid resin: Add organic silicon powdery solid resin to the mixture prepared in step B, and disperse at high speed for 30 minutes to fully melt the organic silicon powdery solid resin;
D、加入热塑性弹性体：往C步骤制备的混合液中加入呈粉状的热塑性弹性体，高速分散20min，使热塑性弹性体充分溶化；D. Adding thermoplastic elastomer: Add powdered thermoplastic elastomer to the mixture prepared in step C, and disperse it at high speed for 20 minutes to fully melt the thermoplastic elastomer;
E、加入氟表面活性剂：往D步骤制备的混合液中加入氟表面活性剂，高速分散11min；E. Add fluorosurfactant: add fluorosurfactant to the mixture prepared in step D, and disperse at high speed for 11 minutes;
F、加入烃基硅油：往E步骤制备的混合液中加入烃基硅油，高速分散11min；F. Adding hydrocarbon-based silicone oil: Add hydrocarbon-based silicone oil to the mixture prepared in step E, and disperse at high speed for 11 minutes;
G、加入超细云母粉：在高速搅拌分散下，往F步骤制备的混合液内逐步添加超细云母粉，且上述高速搅拌分散持续30min。G. Add ultra-fine mica powder: Under high-speed stirring and dispersion, gradually add ultra-fine mica powder to the mixed solution prepared in step F, and the above-mentioned high-speed stirring and dispersion lasts for 30 minutes.
本文中所描述的具体实施例仅仅是对本发明精神作举例说明。本发明所属技术领域的技术人员可以对所描述的具体实施例做各种各样的修改或补充或采用类似的方式替代，但并不会偏离本发明的精神或者超越所附权利要求书所定义的范围。The specific embodiments described herein are merely examples to illustrate the spirit of the present invention. Those skilled in the art to which the present invention pertains can make various modifications or additions to the specific embodiments described or use similar alternatives, but they will not deviate from the spirit of the present invention or exceed the definition of the appended claims. Range.

Claims (4)

  1. 一种绝缘涂料，其特征在于，包括以下质量份数的材料：有机硅粉状固体树脂90～110份，组合溶剂75～150份，热塑性弹性体8～12份，氟表面活性剂3～10份，超细云母粉50～80份，纳米二氧化硅2～9份，烃基硅油3～8份，其中，组合溶剂用于溶化有机硅粉状固体树脂。An insulating coating, characterized by comprising the following parts by mass: 90-110 parts of organic silicon powder solid resin, 75-150 parts of combined solvent, 8-12 parts of thermoplastic elastomer, 3-10 parts of fluorosurfactant Parts, 50-80 parts of ultrafine mica powder, 2-9 parts of nano-silica, 3-8 parts of hydrocarbon-based silicone oil, of which the combined solvent is used to dissolve the organic silicon powdery solid resin.
  2. 根据权利要求1所述的绝缘涂料，其特征在于，上述的组合溶剂由至少两种以下质量份数的材料组成：甲苯30～50份，丙酮30～50份，异丙醇30～50份。The insulating coating according to claim 1, wherein the combined solvent is composed of at least two materials with the following mass parts: 30-50 parts of toluene, 30-50 parts of acetone, and 30-50 parts of isopropanol.
  3. 根据权利要求1所述的绝缘涂料，其特征在于，上述的热塑性弹性体为SEBS。The insulating coating of claim 1, wherein the thermoplastic elastomer is SEBS.
  4. 一种绝缘涂料的加工工艺，其特征在于，包括以下步骤：A processing technology of insulating coating, which is characterized in that it comprises the following steps:
    A、组合溶剂制备：采用甲苯、丙酮和异丙醇这三种材料中的至少两种材料相对均匀的混合以形成组合溶剂；A. Preparation of combined solvent: At least two of the three materials of toluene, acetone and isopropanol are relatively uniformly mixed to form a combined solvent;
    B、加入纳米二氧化硅：往A步骤制备的组合溶剂中加入纳米二氧化硅，高速分散20～40min，使纳米二氧化硅和组合溶剂充分混合；B. Add nano-silica: add nano-silica to the combined solvent prepared in step A, and disperse at high speed for 20-40 minutes, so that the nano-silica and the combined solvent are fully mixed;
    C、加入有机硅粉状固体树脂：往B步骤制备的混合液中加入有机硅粉状固体树脂，高速分散20～30min，使有机硅粉状固体树脂充分溶化；C. Add organic silicon powdery solid resin: Add organic silicon powdery solid resin to the mixture prepared in step B, and disperse at high speed for 20-30 minutes to fully melt the organic silicon powdery solid resin;
    D、加入热塑性弹性体：往C步骤制备的混合液中加入呈粉状的热塑性弹性体，高速分散10～20min，使热塑性弹性体充分溶化；D. Add thermoplastic elastomer: Add powdered thermoplastic elastomer to the mixture prepared in step C, and disperse it at high speed for 10-20 minutes to fully melt the thermoplastic elastomer;
    E、加入氟表面活性剂：往D步骤制备的混合液中加入氟表面活性剂，高速分散9～11min；E. Add fluorosurfactant: add fluorosurfactant to the mixture prepared in step D, and disperse at high speed for 9-11 minutes;
    F、加入烃基硅油：往E步骤制备的混合液中加入烃基硅油，高速分散9～11min；F. Adding hydrocarbon-based silicone oil: Add hydrocarbon-based silicone oil to the mixture prepared in step E, and disperse at high speed for 9-11 minutes;
    G、加入超细云母粉：在高速搅拌分散下，往F步骤制备的混合液内逐步添加超细云母粉，且上述高速搅拌分散持续20～ 30min。G. Add ultra-fine mica powder: Under high-speed stirring and dispersion, gradually add ultra-fine mica powder to the mixture prepared in step F, and the above-mentioned high-speed stirring and dispersion lasts for 20-30 minutes.
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