A method for increasing the vacuum surface flashover voltage of insulating materials
A technology of surface flashover and insulating materials, which is applied to insulators, circuits, electrical components, etc., can solve the problems of insulator sputtering metal film technology that is difficult to achieve, limitations, and the performance of insulating materials processing materials, and achieves easy processing and homogenization. Electric field strength, reducing the effect of the charging process
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example 1
[0046] First, use absolute ethanol to clean the surface of nylon 66 (the surface length of the material is 1 mm), and air-dry it naturally. Put the air-dried nylon 66 into an ultrasonic cleaning machine, and use deionized water to clean it for 10 minutes; then , put the cleaned nylon 66 into an oven, heat and dry it at a temperature of 60 degrees, and cool it naturally; then, at room temperature, take 20 milliliters with a resistivity of 10 8 Ω~10 9 The liquid of Ω is used as a high resistivity material, and it is stirred evenly for later use. Finally, the high resistivity material is evenly coated on nylon 66, and the nylon 66 is left to air dry naturally at room temperature.
[0047] During the test, two nylon 66 samples with and without high resistivity materials were placed in a vacuum environment (10 -2 -10 -4 Pa), carry out the flashover voltage test along the surface. When carrying out the flashover voltage test along the surface, place the two electrodes on the surf...
example 2
[0051] First, use absolute ethanol to clean the surface of nylon 66 (the surface length of the material is greater than 1 mm), and dry it naturally. Put the air-dried nylon 66 into an ultrasonic cleaner and clean it with deionized water for 10 minutes; then , put the cleaned nylon 66 into an oven, heat and dry it at a temperature of 60 degrees, and cool it naturally; then, at room temperature, take 20 milliliters with a resistivity of 10 -2 Ω~10 -3 The Ω liquid is used as a low-resistivity material, and it is stirred evenly for later use. Finally, the low-resistivity material is coated on nylon 66 by screen printing, and the nylon 66 is left to air dry naturally at room temperature.
[0052] During the test, two samples with and without low resistivity materials were placed in a vacuum environment (10 -2 -10 -4 Pa), carry out the flashover voltage test along the surface. When carrying out the surface flashover voltage test, the two electrodes are placed on the surface of th...
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