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Fabrication of robust superhydrophobic micro-nano hierarchical surface structure using compression molding with carbon soot nanoparticles and thermoplastic polymer

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Abstract
The fragility of superhydrophobic surfaces limits applicability; therefore, development of hierarchical surface structure is an important strategy to achieve more robust superhydrophobic surfaces. Here, two-level micro-nano hierarchical polymer surfaces were fabricated by compression molding. Microstructured aluminum molds were produced through laser beam machining and then coated with carbon soot nanoparticles from acetone combustion. The nanostructure of soot nanoparticles combined with the mold microstructure was transferred onto the polypropylene sheet by compression molding. The replicated surface demonstrated superhydrophobicity with contact angles greater than 170° and sliding angles less than 10°. The mechanical robustness was confirmed with abrasion tests and adhesion tests.
Author(s)
Van-Ta DoNgoc Giang TranDoo-Man Chun
Issued Date
2022
Type
Article
Keyword
MoldingLaser beam machiningSuperhydrophobic surfaceCarbon sootThermoplastic polymer
DOI
10.1016/j.polymer.2022.124893
URI
https://oak.ulsan.ac.kr/handle/2021.oak/13712
Publisher
POLYMER
Language
영어
ISSN
0032-3861
Citation Volume
251
Citation Start Page
124893
Appears in Collections:
Medicine > Nursing
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