Cellulose ( IF 4.9 ) Pub Date : 2021-09-14 , DOI: 10.1007/s10570-021-04175-0 Wensheng Lin 1 , Mengting Cao 1 , Kehinde Olonisakin 1 , Ran Li 1 , Xinxiang Zhang 1 , Wenbin Yang 1
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A simple, efficient, and economical method was developed to fabricate superhydrophobic surfaces on various substrates, including wood, bamboo, cotton, filter paper, sponge, glass, textile, and copper. This method involves synthesizing a two-component modifier solution consisting of SiO2 nanoparticles combined with poly(methylhydrogen)siloxane (PMHS) modification. The superhydrophobicity of the coated surfaces was created by PMHS combined with SiO2 nanoparticles to construct a rough hierarchical structure on the surface of the substrate. All superhydrophobic surfaces were maintained at a relative humidity of 50% for 30 days in an indoor environment and subsequently, the superhydrophobic surfaces were kept minus 20 °C for 24 h. It was confirmed that these surfaces exhibited excellent self-cleaning, oil/water separation, and elimination of underwater oil properties. The method for fabricating superhydrophobic materials proposed in this study will have great potential to prepare large-scale superhydrophobic surfaces for use in ancient building protection.
Graphic abstract
中文翻译：
具有良好油水分离和自清洁性能的超疏水材料
开发了一种简单、有效和经济的方法来在各种基材上制造超疏水表面，包括木材、竹子、棉花、滤纸、海绵、玻璃、纺织品和铜。该方法包括合成由 SiO 2纳米颗粒与聚（甲基氢）硅氧烷 (PMHS) 改性相结合的双组分改性剂溶液。涂层表面的超疏水性是由 PMHS 与 SiO 2结合产生的纳米粒子在基材表面构建粗糙的层次结构。所有超疏水表面在室内环境中保持 50% 的相对湿度 30 天，随后将超疏水表面保持在负 20°C 24 小时。证实这些表面表现出优异的自清洁、油/水分离和消除水下油的特性。本研究提出的制备超疏水材料的方法将具有制备用于古建筑保护的大规模超疏水表面的巨大潜力。
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