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Fabrication of Superhydrophobic Metal Surfaces for Anti-Icing Applications
Published on: August 15, 2018
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Durable Self-Cleaning Surfaces with Superhydrophobic and Highly Oleophobic Properties
Junyan Peng1, Xiujian Zhao1, Wufeng Wang2
1State Key Laboratory of Silicate Materials for Architectures , Wuhan University of Technology , Wuhan 430070 , China.
Langmuir : the ACS Journal of Surfaces and Colloids
|June 14, 2019
Summary
Researchers developed durable superhydrophobic and oleophobic surfaces using nanoparticles and epoxy resin. These functional surfaces exhibit excellent water and oil repellency, even after rigorous testing, overcoming key application challenges.
Area of Science:
- Materials Science
- Surface Chemistry
Background:
- Superhydrophobic and superoleophobic surfaces are highly desirable for various applications.
- Achieving durable superamphiphobic surfaces remains a significant challenge for practical implementation.
Purpose of the Study:
- To develop a facile method for creating durable superhydrophobic and highly oleophobic surfaces.
- To enhance the wear resistance and robustness of superamphiphobic coatings.
Main Methods:
- Utilizing zinc oxide (ZnO) and silicon dioxide (SiO2) nanoparticles to create surface roughness.
- Employing epoxy resin as an adhesive to improve wear resistance.
- Treating nanoparticles with 1H,1H,2H,2H-perfluorodecyltriethoxysilane (FAS-17) to impart amphiphobicity.
Main Results:
- The prepared surfaces demonstrated excellent superhydrophobicity and high oleophobicity.
- Water and ethylene glycol contact angles reached up to 172° ± 2° and 157° ± 2°, respectively.
- The coatings maintained their amphiphobicity after strong adhesive tape peeling and mechanical abrasion tests.
Conclusions:
- A durable superhydrophobic and highly oleophobic surface was successfully prepared using a facile nanoparticle-based method.
- The combination of epoxy resin and treated nanoparticles provides excellent wear resistance and robust amphiphobicity.
- This approach offers a promising solution for practical applications requiring highly durable functional surfaces.
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