Journal
FRONTIERS IN BIOENGINEERING AND BIOTECHNOLOGY
Volume 10, Issue -, Pages -Publisher
FRONTIERS MEDIA SA
DOI: 10.3389/fbioe.2022.958095
Keywords
bionic modification; superhydrophobic surface; micro/nanostructure; etching modification method; chemical etching method; laser-etching method
Funding
- Fundamental Research Funds for the Central Universities
- National Natural Science Foundation of China
- [2572020BC07]
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As an emerging fringe science, bionics integrates the understanding of nature, imitation of nature, and surpassing nature in one aspect. Bionic superhydrophobic surface, prepared by imitating the microstructure of a natural biological surface, has the properties of self-cleaning, anti-icing, water collection, anti-corrosion, and oil-water separation. The etching modification method, which directly modifies the substrate, shows advantages of integrated surface stability and corrosion resistance.
As an emerging fringe science, bionics integrates the understanding of nature, imitation of nature, and surpassing nature in one aspect, and it organically combines the synergistic complementarity of function and structure-function integrated materials which is of great scientific interest. By imitating the microstructure of a natural biological surface, the bionic superhydrophobic surface prepared by human beings has the properties of self-cleaning, anti-icing, water collection, anti-corrosion and oil-water separation, and the preparation research methods are increasing. The preparation methods of superhydrophobic surface include vapor deposition, etching modification, sol-gel, template, electrostatic spinning, and electrostatic spraying, which can be applied to fields such as medical care, military industry, ship industry, and textile. The etching modification method can directly modify the substrate, so there is no need to worry about the adhesion between the coating and the substrate. The most obvious advantage of this method is that the obtained superhydrophobic surface is integrated with the substrate and has good stability and corrosion resistance. In this article, the different preparation methods of bionic superhydrophobic materials were summarized, especially the etching modification methods, we discussed the detailed classification, advantages, and disadvantages of these methods, and the future development direction of the field was prospected.
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