室温硫化硅橡胶(RTV)防污闪涂料具有良好的憎水性和憎水迁移性,因而被广泛应用在输电线路中来减少污闪事故的发生。然而,由于环境变化、空气污染严重、电压等级提高等问题,对防污闪涂料的性能提出了更高的要求。从RTV防污闪涂料的基体材料、填料、助剂等几方面入手,结合国内外防污闪涂料的研究进展,指出对RTV涂料改性的一些方法,为进一步开发新型防污闪涂料提供思路和方向。
RTV anti-pollution flashover coatings have excellent hydrophobicity and hydrophobicity migration,so it is widely used in transmission lines to reduce the occurrence of pollution flashover.However,the property of RTV coatings need to be improved due to the changes of environment and development of ultra-high voltage.In terms of substrate material and composition design,the research progress in anti-pollution flashover coatings at home and abroad was reviewed,and pointed out some of the methods to modify RTV coatings.
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