A facile process for preparing superhydrophobic films with surface-modified SiO2/nylon 6,6 nanocomposite

被引：8
|
作者：
Guo, Yonggang [1 ,2 ]
Wang, Qihua [1 ]
Wang, Tingmei [1 ]
机构：
[1] Chinese Acad Sci, Lanzhou Inst Chem Phys, State Key Lab Solid Lubricat, Lanzhou 730000, Peoples R China
[2] Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
来源：
JOURNAL OF MATERIALS SCIENCE | 2011年 / 46卷 / 11期
基金：
美国国家科学基金会;
关键词：
Contact Angle; Water Droplet; Water Contact Angle; Nanocomposite Film; Superhydrophobic Surface;
D O I：
10.1007/s10853-011-5337-7
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A superhydrophobic SiO2/nylon 6,6 nanocomposite coating was fabricated by a facile casting process. Compared with the intrinsically hydrophilic pure nylon 6,6, the as-prepared coating displayed a superhydrophobic property in the pH range from 1 to 14. It was also found that the resulting water contact angles of the as-prepared surface were always larger than 159A degrees, but the sliding angles had an obvious decrease from about 33.4A degrees-1A degrees as the content of SiO2 nanoparticles increased. In addition, a transition from the transitional superhydrophobic state between Wenzel's and Cassie's state to the Cassie's state was observed.
引用
收藏
页码：4079 / 4084
页数：6
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