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- Title
Design and fabrication of superhydrophobic layered double hydroxide and oxides composite coating on brass mesh with excellent anticorrosion, delay icing and oil-water separation ability.
- Authors
Wang, Yuanyuan; Zhong, Qian; Wu, Linqiu; Liu, Pengfei; Guan, Hangmin; Hu, Yingfei; Lin, Qing; Wang, Wei
- Abstract
In this work, a superhydrophobic and superoleophilic brass mesh had been prepared. The prepared sample displayed a water contact angle (WCA) of 160o and was characterized by field emission scanning electron microscope (FE-SEM), white light interferometer (WLI), X-ray diffraction (XRD), and X-ray photoelectron spectroscopy (XPS) techniques. Besides, a high-speed camera was used to study the impact process of a droplet on the surface of the prepared sample. The superhydrophobic brass mesh exhibited excellent self-cleaning ability, environmental adaptability, corrosion resistance (η = 98.9%), and delayed icing ability (~ 45 min). Furthermore, the superhydrophobic mesh could be used as a filter to fast and efficiently separate various kinds of oils (light and heavy oils) and oil pollutants in daily life and industry. The superhydrophobic filter could be reused 50 times for oil-water separation without any apparent decrease in its separation capability. Thus, the superhydrophobic brass mesh prepared by a simple method holds promise for various applications in the industrial field of oil-water separation.
- Subjects
HEAVY oil; HYDROXIDES; LAYERED double hydroxides; COMPOSITE coating; OXIDE coating; FIELD emission electron microscopes; BRASS
- Publication
Journal of Coatings Technology & Research, 2023, Vol 20, Issue 1, p275
- ISSN
1945-9645
- Publication type
Article
- DOI
10.1007/s11998-022-00667-1