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Surface modification of anhydrite whiskers and their potential application for durable superhydrophobic coatings
Hong, Tianzeng1,2,3; Wang, Yabin1; Nai, Xueying1; Dong, Yaping1; Liu, Xin3; Li, Wu1,3
2017
发表期刊RSC ADVANCES
卷号7期号:84页码:53301-53305
文章类型Article
摘要Durability issues have been an obstacle for superhydrophobic coating applications for a long time. Here, we report the modification of anhydrite whiskers that can be used for the fabrication of superhydrophobic coatings with high durability. Anhydrite whiskers with core/shell structures are prepared via hydrolysis and condensation processes of tetraethyl orthosilicate (TEOS) followed by silane modification. Modified anhydrite whiskers were examined by field emission scanning electron microscopy (FESEM), transmission electron microscopy (TEM), Fourier transform infrared (FT-IR) spectroscopy, X-ray powder diffraction (XRD) and X-ray photoelectron spectroscopy (XPS). The results indicate that anhydrite whiskers exhibit an obviously hydrophobic quality after modification, reaching a contact angle of up to 123 degrees. The thickness of the surface modification layer is 10-20 nm. The modified anhydrite whiskers were used to fabricate a superhydrophobic coating. Modified anhydrite whiskers create a rough structure on the glass substrate surface. This roughness develops a Cassie-Baxter regime, enhancing the superhydrophobicity of the coating. The water contact angle of the coating is above 150 degrees. This method is expected to apply to similar materials for the fabrication of durable superhydrophobic coatings.
WOS标题词Science & Technology ; Physical Sciences
关键词[WOS]RAY PHOTOELECTRON-SPECTROSCOPY ; CALCIUM-SULFATE WHISKERS ; MECHANICAL DURABILITY ; TRICALCIUM SILICATE ; FABRICATION ; ROBUST ; FILMS ; PERFORMANCE ; ALUMINUM ; NANOCOMPOSITES
收录类别SCI
语种英语
WOS研究方向Chemistry
WOS类目Chemistry, Multidisciplinary
WOS记录号WOS:000416049900031
引用统计
被引频次:1[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.isl.ac.cn/handle/363002/6400
专题青海盐湖研究所知识仓储
盐湖资源综合利用工程技术中心
作者单位1.Chinese Acad Sci, Qinghai Inst Salt Lakes, Key Lab Salt Lake Resources Chem, Xining 810008, Peoples R China
2.Chinese Acad Sci, Qinghai Inst Salt Lakes, Key Lab Comprehens & Highly Efficient Utilizat Sa, Xining 810008, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
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Hong, Tianzeng,Wang, Yabin,Nai, Xueying,et al. Surface modification of anhydrite whiskers and their potential application for durable superhydrophobic coatings[J]. RSC ADVANCES,2017,7(84):53301-53305.
APA Hong, Tianzeng,Wang, Yabin,Nai, Xueying,Dong, Yaping,Liu, Xin,&Li, Wu.(2017).Surface modification of anhydrite whiskers and their potential application for durable superhydrophobic coatings.RSC ADVANCES,7(84),53301-53305.
MLA Hong, Tianzeng,et al."Surface modification of anhydrite whiskers and their potential application for durable superhydrophobic coatings".RSC ADVANCES 7.84(2017):53301-53305.
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