摘要
提高材料表面疏水性有利于降低其与水分等腐蚀性介质的相互作用,从而增强材料的耐腐蚀性。近年来,超疏水表面由于其非润湿性、自清洁性等特殊表面性质而受到广泛的关注,并且越来越多的研究已经将超疏水表面应用于腐蚀防护领域。材料表面的浸润性主要取决于表面化学性质及表面微观结构,因此提高材料表面的疏水性也往往通过降低材料的表面能、改变表面微观结构这两个方面入手。阐述了超疏水表面的浸润性机理,介绍了不同建立表面微观粗糙结构,增强材料疏水/超疏水性的方法,总结了超疏水表面技术在腐蚀防护领域的最新进展和存在的一些问题,并展望了超疏水防腐表面技术的未来发展方向。
ABSTRACT:Increasing the hydrophobicity of materials surfaces can reduce their interactions with corrosive media such as water, thereby enhancing their corrosion resistance. In recent years, superhydrophobic surfaces have received widespread attention be-cause of its non-wetting and self-cleaning surface properties. A growing number of studies have been focused on applying superhy-drophobic surfaces for anticorrosion purposes. Wettability on the surface of the material mainly depends on the surface chemical properties and surface microstructure, thus improvement of the material surface hydrophobicity is often achieved by lowering the surface energy and changing the surface microscopic structure. This article expounds the mechanism of wettability on superhydro-phobic surfaces, introduces different methods for establishing a rough surface microstructure and reinforcing material hydrophobic/super hydrophobic property, summarizes the recent progresses and the existing problems in superhydrophobic anticorrosive surface technologies in the field of corrosion protection, and prospects the future development of superhydrophobic anticorrosive surface technologies.
出处
《表面技术》
EI
CAS
CSCD
北大核心
2015年第3期15-24 30,30,共11页
Surface Technology
基金
国家自然科学基金(51401018)
中国博士后基金(2014M560887)
国家重点基础研究发展计划(973计划
2014CB643300)~~
关键词
超疏水
涂层表面改性
腐蚀防护
superhydrophobic
coating surface modification
corrosion protection
