研究目的
To assess the performance, environmental stability, and wear resistance of a hydrophobic coating designed for solar module cover glass.
研究成果
The hydrophobic coating showed high resistance to damp heat and thermal cycling but was degraded by UV exposure and abrasion. Outdoor exposure confirmed the laboratory findings, with UV exposure being a significant factor in performance degradation. The study suggests that while the coating is durable against some environmental stresses, its susceptibility to UV light and abrasion may limit its effectiveness in certain applications.
研究不足
The coating was susceptible to damage from UV exposure and abrasion, indicating potential limitations in environments with high UV light or where abrasive cleaning methods are used.
1:Experimental Design and Method Selection:
The study involved exposing a hydrophobic anti-soiling coating to various environmental and abrasion stress tests to evaluate its durability and performance.
2:Sample Selection and Data Sources:
The coating was deposited on 1mm thick glass surfaces using thermal evaporation under vacuum and sprayed from solution in air.
3:List of Experimental Equipment and Materials:
Equipment included a Varian Cary? UV 5000 spectrophotometer, a Dataphysics OCA 20 contact angle measurement system, a bespoke device for measuring water roll-off angle, a Thermo Scientific K-Alpha XPS surface analysis tool, and SEM and TEM microscopes.
4:Experimental Procedures and Operational Workflow:
The coating was subjected to UV exposure, damp heat, humidity freeze, thermal cycling, solubility, and abrasion resistance tests. Performance was measured by monitoring water contact angle and roll-off angle.
5:Data Analysis Methods:
The performance of the coating was analyzed using optical and hydrophobic performance measurements, SEM and STEM image analysis, and XPS surface scans.
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