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Fluorinated SnO2/ER as an antistatic coating for enhancing the surface insulating strength of epoxy insulators
Polymer Composites ( IF 5.2 ) Pub Date : 2020-09-09 , DOI: 10.1002/pc.25793
Gengteng Wu 1 , Haoou Ruan 1 , Yi Tian 2 , Huahao Zhou 1 , Guoping An 3 , Xinyu Yang 1 , Qing Xie 1, 4
Affiliation  

The surface coating of epoxy resin has been widely used in the composite materials with micron scale fillers, but the related research on the composite coating filled with nanoparticles is still rare. SnO2 is a common antistatic additive in composite materials, and it is also a semiconductor material, capable of uniform voltage. In this paper, nano‐SnO2 powder was considered as the filler of coating materials. By analyzing the microscopic test results, the flashover voltage, surface charge dissipation, and surface conductivity of the coating sample, the effects of coating treatment and nano‐SnO2 fluorination on the surface insulation properties of epoxy insulators were studied. It is found that the flashover voltage and surface charge dissipation rate of the coating sample can be improved by both coating treatment and fluorination treatment, thus improving the surface insulation performance of epoxy insulators. The modification process and test results have guiding significance for improving the surface insulation performance of epoxy insulators.

中文翻译:

氟化SnO2 / ER作为抗静电涂层,可增强环氧绝缘子的表面绝缘强度

环氧树脂的表面涂层已被广泛用于微米级填料的复合材料中,但有关填充纳米颗粒的复合涂层的相关研究仍很少。SnO 2是复合材料中常见的抗静电添加剂,也是一种具有均匀电压的半导体材料。在本文中,纳米SnO 2粉末被认为是涂料的填料。通过分析微观测试结果,涂层样品的闪络电压,表面电荷耗散和表面电导率,涂层处理和纳米SnO 2的影响研究了氟化对环氧绝缘子表面绝缘性能的影响。发现通过涂层处理和氟化处理可以改善涂层样品的闪络电压和表面电荷耗散率,从而提高环氧绝缘子的表面绝缘性能。改性工艺和试验结果对提高环氧绝缘子的表面绝缘性能具有指导意义。
更新日期:2020-09-09
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