We found a match
Your institution may have access to this item. Find your institution then sign in to continue.
- Title
A Superamphiphobic Coating with an Ammonia-Triggered Transition to Superhydrophilic and Superoleophobic for Oil-Water Separation.
- Authors
Zhiguang Xu; Yan Zhao; Hongxia Wang; Xungai Wang; Tong Lin
- Abstract
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.
- Subjects
OIL-water interfaces; SEPARATION (Technology); AMMONIA; HYDROPHILIC interactions; SURFACE coatings; MIXTURES
- Publication
Angewandte Chemie, 2015, Vol 127, Issue 15, p4610
- ISSN
0044-8249
- Publication type
Article
- DOI
10.1002/ange.201411283