Multilevel Nanoparticles Coatings with Excellent Liquid Repellency
Multilevel Nanoparticles Coatings with Excellent Liquid Repellency
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DOI：
10.1002/admi.201800405
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发表时间：
2018-06
影响因子：
5.4
通讯作者：
Lei Zhou;Siliang Yin;Zhenyu Guo;Nan Yang;Jitong Li;Mingqian Zhang;Yongmei Zheng
中科院分区：
文献类型：
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作者：
Lei Zhou;Siliang Yin;Zhenyu Guo;Nan Yang;Jitong Li;Mingqian Zhang;Yongmei Zheng
通过使用双尺度疏水性二氧化硅涂层（d-HSC）实现了出色的拒液表面，该涂层中的纳米颗粒位于二甲苯基悬浮液中，无需任何进一步改性。悬浮液也可以喷涂、浸渍或刷涂在基底上以产生透明的超疏水表面。结果表明，对于各种液体（例如，水、牛奶、咖啡、甘油）作为d-HSC涂布到铜板、聚氯乙烯板、载玻片、建筑石材、海绵和薄纸上。此外，通过添加硅烷偶联剂，d-HSC显示出回弹性，并在砂纸磨损后在一定程度上保持其性能。开发了一种在多用途基材上制备这些多功能涂层的简便、低成本和有效的方法，而不使用用于表面改性的氟化物气相沉积的常用方法。该研究对于设计具有自清洁、防冰或防水性能的坚固材料具有重要意义，可以扩展到许多方面的应用（例如，飞机机翼、工业冷却塔壁、包装、建筑等）。
The excellent liquid repellency surfaces are achieved by using dual‐scale hydrophobic silica coating (d‐HSC) which nanoparticles in xylene‐based suspension without any further modification. The suspension can also be sprayed, dipped, or brushed on substrate to create a transparent superhydrophobic surface. It is demonstrated that the excellent repellency can be achieved for various liquid (e.g., water, milk, coffee, glycerol) as d‐HSC onto copper plate, polyvinyl chloride plate, glass slide, building stone, sponge, and tissue paper. Furthermore, with the addition of silane coupling agent, the d‐HSC shows resilience and maintains its performance to some extent after abrasion with sandpaper. A facile, low‐cost, and effective method to fabricate these multifunctional coatings on versatile substrates is developed without using the common method of fluoride vapor deposition for surface modification. The study is greatly significant for design of robust materials with self‐cleaning, anti‐icing, or waterproof performances that can be extended into application of many aspects (e.g., airplane wing, wall of cooling tower in industry, packing, building, etc.).