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A superamphiphobic coating with an ammonia-triggered transition to superhydrophilic and superoleophobic for oil-water separation

Xu, Zhiguang, Zhao, Yan, Wang, Hongxia, Wang, Xungai and Lin, Tong 2015, A superamphiphobic coating with an ammonia-triggered transition to superhydrophilic and superoleophobic for oil-water separation, Angewandte chemie international edition, vol. 54, no. 15, pp. 4527-4530, doi: 10.1002/anie.201411283.

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Title A superamphiphobic coating with an ammonia-triggered transition to superhydrophilic and superoleophobic for oil-water separation
Author(s) Xu, Zhiguang
Zhao, Yan
Wang, Hongxia
Wang, Xungai
Lin, TongORCID iD for Lin, Tong orcid.org/0000-0002-1003-0671
Journal name Angewandte chemie international edition
Volume number 54
Issue number 15
Start page 4527
End page 4530
Total pages 4
Publisher Wiley
Place of publication Weinheim, Germany
Publication date 2015-04-07
ISSN 1521-3773
Keyword(s) hydrophobic effects
oil-water separation
porous materials
superoleophobicity
surface chemistry
Science & Technology
Physical Sciences
Chemistry, Multidisciplinary
Chemistry
EFFICIENT OIL/WATER SEPARATION
CARBON NANOFIBER AEROGELS
UNDERWATER SUPEROLEOPHOBICITY
PVDF MEMBRANES
SURFACES
REMOVAL
MESH
EMULSIONS
SPONGES
FILM
Summary Superhydrophilic and superoleophobic materials are very attractive for efficient and cost-effective oil-water separation, but also very challenging to prepare. Reported herein is a new superamphiphobic coating that turns superhydrophilic and superoleophobic upon ammonia exposure. The coating is prepared from a mixture of silica nanoparticles and heptadecafluorononanoic acid-modified TiO2 sol by a facile dip-coating method. Commonly used materials, including polyester fabric and polyurethane sponge, modified with this coating show unusual capabilities for controllable filtration of an oil-water mixture and selective removal of water from bulk oil. We anticipate that this novel coating may lead to the development of advanced oil-water separation techniques.
Language eng
DOI 10.1002/anie.201411283
Field of Research 091205 Functional Materials
030603 Colloid and Surface Chemistry
Socio Economic Objective 970110 Expanding Knowledge in Technology
HERDC Research category C1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Grant ID DP110101315
Copyright notice ©2015, Wiley
Persistent URL http://hdl.handle.net/10536/DRO/DU:30070106

Document type: Journal Article
Collection: Institute for Frontier Materials
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