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A Method to Accelerate the Surface Charge Dissipation of Epoxy Resin Materials

An epoxy resin and surface charge technology, applied in the field of electrical material insulation, can solve the problems of environmental pollution, high environmental requirements, and high production costs, and achieve the effects of high reaction controllability, simple device structure, and low production costs.

Active Publication Date: 2017-09-12
INST OF ELECTRICAL ENG CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Surface fluorination technology has a complex structure and high environmental requirements
Fluorine gas is a toxic gas with high cost, and it is easy to leak during the reaction and cause safety problems, and has certain pollution to the environment
In the ion implantation method, the equipment cost is expensive, the production cost is high, and the uniformity is difficult to ensure during the ion implantation process, so it is not suitable for industrial production
The process structure of doping nanoparticle technology is complicated, and it is easy to cause environmental pollution due to the need to use a variety of chemical reagents in the doping process
In addition, when multiple substances are blended, it is difficult to control the uniformity of the mixture

Method used

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  • A Method to Accelerate the Surface Charge Dissipation of Epoxy Resin Materials

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Embodiment Construction

[0041] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with specific implementation methods and accompanying drawings. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0042] A method for accelerating the dissipation of surface charges of epoxy resin materials, comprising the steps of:

[0043] Step 1, assembling a dielectric barrier discharge plasma processing device, such as figure 1 As shown, the device includes:

[0044] The microsecond pulse power supply 1, whose output terminal measures the voltage through the high-voltage probe 3, and records it through the oscilloscope 4;

[0045] Discharge chamber 2, the discharge chamber 2 is made of stainless steel, the air pressure in the discharge chamber 2 ranges from 20 Pa to 200 kPa, and the pres...

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Abstract

The invention relates to a method for accelerating the surface charge dissipation of epoxy resin materials, belonging to the technical field of electrical material insulation. The method of the present invention comprises the following steps: step 1, assembling a dielectric barrier discharge plasma processing device; step 2, cleaning and drying the epoxy resin material; step 3, placing the cleaned and dried epoxy resin material in the lower barrier medium Above: the gas is fed through the air inlet, the discharge voltage amplitude of the high-voltage power supply is between 10kV ~ 30kV, and the frequency is between 500Hz ~ 3000Hz to generate a uniform and stable discharge, and the epoxy resin material is treated with discharge plasma, The processing time is 10s~10min. The method of the invention accelerates the surface charge dissipation of the epoxy resin material, has short processing time, and the device used is simple in structure, low in cost, does not need to use chemical reagents, and has little environmental pollution.

Description

technical field [0001] The invention relates to a method for accelerating the surface charge dissipation of epoxy resin materials, belonging to the technical field of electrical material insulation. Background technique [0002] Epoxy resin composite materials have excellent electrical insulation, mechanical and corrosion resistance properties, so they are widely used in industrial fields such as coatings, electronic appliances, and aerospace. Among them, insulator devices made of epoxy resin composite materials have been widely used in gas insulated switchgear (GIS) due to their high insulation and mechanical properties. However, most of these devices currently on the market are based on AC transmission, and relatively few are used in high-voltage DC transmission. It is generally believed that compared with AC electric field, the surface charge of insulators under DC electric field is easier to accumulate charge, which will lead to the distortion of the surface electric fi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08J3/28C08L63/00
Inventor 邵涛马云飞章程王瑞雪严萍
Owner INST OF ELECTRICAL ENG CHINESE ACAD OF SCI
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