期刊
COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS
卷 638, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.colsurfa.2022.128299
关键词
Cotton fabric; Self-assembly; Spraying; Superhydrophobicity; Durability
资金
- Na-tional Natural Science Foundation of China [52105186]
- Guangdong Basic and Applied Basic Research Foundation [2019A1515011282]
- Fundamental Research Funds for the Central Universities [21619336]
Water permeation is a key issue in both fundamental research and industrial applications. In this study, stable superhydrophobic copper surfaces were achieved by self-assembly and spray deposition on cotton fabrics, showing improved corrosion resistance and mechanical stability.
Water permeation is an important issue in both fundamental research and industrial applications. In this work, stable superhydmphobic copper surfaces were obtained by self-assembly and spray deposition on cotton fabrics. Scanning electron microscopy revealed that micro/nano dual-scale coral-like structures were established by the stacking of copper nanoparticles, thus forming a stable Cassie model for superhydrophobic feathers. The water contact angle of the surface was 161 degrees, while the slide angle was as low as 3 degrees. Chemical bonds were formed between substructures and copper nanoparticles by molecular grafting, which improved its mechanical stability, since the surface was verified to maintain a large contact angle after long-distance abrasion and folding. Compared with the superhydrophilic copper surface, the superhydmphobic coating showed better corrosion resistance in 3.5 wt% NaCl solution and artificial sweat. Combined with the inherent conductivity of copper, fabrics have potential applications in the new generation of advanced textiles.
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