Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/74608
Title: Robust and elastic superhydrophobic breathable fibrous membrane with in situ grown hierarchical structures
Authors: Chen, L 
Wu, F 
Li, Y 
Wang, Y 
Si, L 
Lee, KI 
Fei, B 
Keywords: Breathability
Electrospinning
Oil–water separation
Polydiacetylenes
Superhydrophobicity
Issue Date: 2018
Publisher: Elsevier
Source: Journal of membrane science, 2018, v. 547, p. 93-98 How to cite?
Journal: Journal of membrane science 
Abstract: A superhydrophobic fibrous membrane (FM), which consists of elastic polyurethane (PU) and chromatic polydiacetylenes (PDA), is fabricated using an electrospinning technique, followed by short-time UV irradiation and heating treatment. The FM with fine hierarchical roughness exhibits excellent superhydrophobicity and breathability under even 300% strain of biaxial stretching. It can effectively separate the oil–sea water mixture, solely using gravity, with fascinating permeate flux (6369.4 ± 37.7 L m−2 h−1), high separation efficiency, excellent recyclability and stability against corrosive liquids. Furthermore, the FM shows good air permeability and mechanical properties. Our design starts from simple chemistry, and may offer a versatile and scalable approach to fabricate hierarchically structured superhydrophobic FMs for variously potential applications, including the cleanup of oil spills, waste water treatment, packaging of stretchable electronics and protective clothing.
URI: http://hdl.handle.net/10397/74608
ISSN: 0376-7388
EISSN: 0376-7388
DOI: 10.1016/j.memsci.2017.10.023
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