金属基超疏水表面的制备技术研究新进展

New progress of fabrication techniques for metal-based superhydrophobic surfaces

在简要介绍超疏水表面相关理论的基础上,着眼于金属基超疏水表面制备中关键技术的发展态势,重点分析了不同类型制备方法在制备工艺要点、微纳米拓扑结构设计与构建、低表面能材料修饰、表面性能提升效果等方面的研究进展,系统梳理了金属基超疏水表面在自清洁、金属防腐、水下减阻等领域的应用现状及影响其机械稳定性的关键要素,探讨了金属基超疏水表面制备技术在发展过程中需要面临的核心挑战和需注重解决的问题,希望为实现大面积金属基超疏水表面的工程化应用提供参考。

On the basis of a brief introduction to the relevant theories of the superhydrophobic surfaces,this review focuses on the development of key technologies in the fabrication process of metal-based superhydrophobic surfaces,attaching particular importance to the analysis of the current status of different fabrication methods,including the core points of surface preparation process,design and construction of micro-/nano-topography,modification with low-surface-energy materials,improvement of surface property,etc.The application status of metal-based superhydrophobic surfaces in various engineering fields,including self-cleaning,metal anti-corrosion,underwater drag reduction,etc.,has been summarized systematically,and the key factors affecting the mechanical stability of superhydrophobic surfaces have been pointed out.Moreover,the challenges and issues need to be faced during the development of fabrication process are also discussed.This work is expected to present reference background for advancing the practically engineering application of large-area metal-based superhydrophobic surfaces.