Advanced Ceramics Progress

Advanced Ceramics Progress

A Transparent and Simple Synthesis of Superhydrophobic Coating Based on ZnO Microsheet/Epoxy Resin

Document Type : Original Research Article

Authors
Faezeh Afshari 1
Zohreh GolshanBafghi 1
Ramin Mir Mohammadi 2
Negin Manavizadeh 3
1 Graduate Master Student, Nanostructured Electronic Devices Laboratory, Faculty of Electrical Engineering, K. N. Toosi University of Technology, Tehran, Iran.
2 Graduate Student, Faculty of Civil and Environmental Engineering, Amirkabir University of Technology, Tehran, Iran.
3 Associate Professor, Nanostructured Electronic Devices Laboratory, Faculty of Electrical Engineering, K. N. Toosi University of Technology, Tehran, Iran.
10.30501/acp.2024.419694.1133
Abstract
Environmental conditions and pollution significantly impact the performance of the power system. In dusty and foggy environments, the risks of degradation, leakage current, and pollution flashovers increase. Based on environmental and practical concerns, self-cleaning coatings present a promising solution to prevent power system failure. The current research uses a spray-coating method to apply a robust ZnO nanosheet/Epoxy resin superhydrophobic film onto a porcelain insulator. Hydrophilic ZnO nanosheet is successfully synthesized and modified with oleic acid using a simple wet chemical method. The water contact angle for ZnO/resin coating insulators was obtained at 153º. The obtained results demonstrate that wettability remains unchanged under ultraviolet illumination. A sandpaper abrasion test was then employed to determine the high strength of double-layer ZnO/resin coatings. While coating the glass, the water contact angle was obtained as 151º on the double-layer coated glass. The results further show that compared to the uncoated glass, the coated glass slide transmits 51% visible light. A robust ZnO/resin superhydrophobic coating with high mechanical stability and constant wettability can be effectively used for power line components. ZnO/resin coating can be applied to insulators in soiling sites, preventing contamination fouling. The results also indiacte that the leakage current of the insulator decreases by approximately 42% when using superhydrophobic ZnO/resin coating.
Keywords
Atmospheric Soiling
Leakage Current Test
Porcelain Insulator
Self-Cleaning
Zinc Oxide
Nanostructures
Oleic Acid
Subjects
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  • Receive Date 07 October 2023
  • Revise Date 15 December 2023
  • Accept Date 07 September 2024