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Fabrication of Superhydrophobic Metal Surfaces for Anti-Icing Applications
Published on: August 15, 2018
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An all-water-based system for robust superhydrophobic surfaces.
Mingming Liu1, Yuanyuan Hou1, Jing Li2
1State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, People's Republic of China; University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China.
Journal of Colloid and Interface Science
|February 28, 2018
Summary
This study introduces a robust, all-water-based spray for creating durable superhydrophobic surfaces using zinc oxide nanoparticles and aluminum phosphate. This eco-friendly method enhances mechanical strength and stability for various applications.
Area of Science:
- Materials Science
- Surface Chemistry
Background:
- Superhydrophobic surfaces often lack mechanical robustness.
- Conventional methods rely on organic solvents, posing environmental and cost concerns.
Purpose of the Study:
- To develop an environmentally friendly, all-water-based spray for robust superhydrophobic surfaces.
- To enhance the mechanical strength and durability of superhydrophobic materials.
Main Methods:
- Formulation of an all-water-based spraying solution with ZnO nanoparticles, aluminum phosphate (inorganic adhesive), and polytetrafluoroethylene.
- Fabrication of superhydrophobic surfaces via spraying.
Main Results:
- The prepared surfaces exhibit excellent durability against UV, extreme pH (1-13), and high temperatures (up to 300°C).
- Surfaces demonstrated high resistance to physical damage, including abrasion and sand impact tests.
- The all-water-based system is cost-effective and reduces pollution.
Conclusions:
- An effective and eco-friendly method for producing mechanically robust superhydrophobic surfaces has been established.
- The developed surfaces show significant potential for practical applications like anti-icing and oil-water separation.
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