Using Nanoimprint Lithography to Create Robust, Buoyant, Superhydrophobic PVB/SiO2 Coatings on wood Surfaces Inspired by Red roses petal
Using Nanoimprint Lithography to Create Robust, Buoyant, Superhydrophobic PVB/SiO2 Coatings on wood Surfaces Inspired by Red roses petal
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DOI：
10.1038/s41598-019-46337-y
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发表时间：
2019-07
影响因子：
4.6
通讯作者：
Yushan Yang;Haishan He;Yougui Li;Jian Qiu
中科院分区：
文献类型：
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作者：
Yushan Yang;Haishan He;Yougui Li;Jian Qiu
采用一步溶剂热法和纳米压印法在木材表面成功制备了具有良好浮力的PVB/SiO2超疏水涂层。采用扫描电子显微镜（SEM）、X射线衍射（XRD）、傅里叶变换红外（FT-IR）、热重/差热重（TG-DTG）等分析手段对所制备的PVB/SiO2/木材复合材料进行了表征。采用水接触角和砂磨试验对玫瑰花瓣状木材的超疏水性和耐磨性进行了测试和评价。结果表明，PVB/SiO2/木材复合材料不仅具有良好的超疏水性能（WCA为160°），而且在砂磨试验和腐蚀性液体中具有优异的耐久性和热稳定性。此外，所制备的PVB/SiO2/木材样品显示出高浮力。
Robust, buoyant, superhydrophobic PVB/SiO2coatings were successfully formed on wood surface through a one-step solvothermal method and a nanoimprint lithography method. The as-prepared PVB/SiO2/wood specimens were characterized by scanning electron microscopy (SEM), X-ray diffraction (XRD), Fourier transform infrared (FT-IR), thermogravimetric/differential thermogravimetric (TG–DTG) analyses. The superhydrophobic property and abrasion resistance of rose-petal-like wood were measured and assessed by water contact angle (WCA) and sand abrasion tests. The results show that PVB/SiO2/wood not only exhibited a robust superhydrophobic performance with a WCA of 160° but also had excellent durability and thermostability during the sand abrasion tests and against corrosive liquids. Additionally, the as-prepared PVB/SiO2/wood specimens show high buoyancy.