Robust Mg(OH)2/epoxy resin superhydrophobic coating applied to composite insulators

» Autor: Wenyu Peng, Xuelian Gou, Hongling Qin, Meiyun Zhao, Xinze Zhao, Zhiguang Guo

» Referencia: 10.1016/j.apsusc.2018.10.039

» Fecha Publicación: 01/02/2019

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Composite insulators with superhydrophobic coatings can ensure the safe operation of railways, electricity and telecommunication systems. A robust Mg(OH)2/epoxy resin superhydrophobic coating for composite insulators is reported. The coating is fabricated by a simple method, and the water contact angle reaches its maximum value of 155° at the stearic acid loading of 0.285?g. The superhydrophobic property is controlled by different amounts of stearic acid, which influence the surface roughness of the coating. Additionally, the coating shows mechanical stability, chemical durability and a self-cleaning property, allowing it to be stored in water for more than 20?days. In consideration of the above-mentioned advantages, these characteristics make the composite insulators with this coating a better value than the commercial composite insulators, which is of great benefit to global electricity issues.

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