期刊
NATURE MATERIALS
卷 17, 期 4, 页码 355-+出版社
NATURE PUBLISHING GROUP
DOI: 10.1038/s41563-018-0044-2
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资金
- M.K.T.'s EPSRC First Grant [EP/N006577/1]
- European Research Council (ERC) under the European Uninon [714712]
- European Research Council (ERC) [714712] Funding Source: European Research Council (ERC)
- EPSRC [EP/N006577/1] Funding Source: UKRI
Superhydrophobicity is a remarkable evolutionary adaption manifested by several natural surfaces. Artificial superhydrophobic coatings with good mechanical robustness, substrate adhesion and chemical robustness have been achieved separately. However, a simultaneous demonstration of these features along with resistance to liquid impalement via high-speed drop/jet impact is challenging. Here, we describe all-organic, flexible superhydrophobic nanocomposite coatings that demonstrate strong mechanical robustness under cyclic tape peels and Taber abrasion, sustain exposure to highly corrosive media, namely aqua regia and sodium hydroxide solutions, and can be applied to surfaces through scalable techniques such as spraying and brushing. In addition, the mechanical flexibility of our coatings enables impalement resistance to high-speed drops and turbulent jets at least up to similar to 35 m s(-1) and a Weber number of similar to 43,000. With multifaceted robustness and scalability, these coatings should find potential usage in harsh chemical engineering as well as infrastructure, transport vehicles and communication equipment.
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