Selective, spontaneous one-way oil-transport fabrics and their novel use for gauging liquid surface tension

Wang, Hongxia, Zhou, Hua, Yang, Weidong, Zhao, Yan, Fang, Jian and Lin, Tong 2015, Selective, spontaneous one-way oil-transport fabrics and their novel use for gauging liquid surface tension, ACS applied materials and interfaces, vol. 7, no. 41, pp. 22874-22880, doi: 10.1021/acsami.5b05678.

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Title Selective, spontaneous one-way oil-transport fabrics and their novel use for gauging liquid surface tension
Author(s) Wang, Hongxia
Zhou, HuaORCID iD for Zhou, Hua
Yang, Weidong
Zhao, Yan
Fang, JianORCID iD for Fang, Jian
Lin, TongORCID iD for Lin, Tong
Journal name ACS applied materials and interfaces
Volume number 7
Issue number 41
Start page 22874
End page 22880
Total pages 7
Publisher American Chemical Society
Place of publication Washington, D.C.
Publication date 2015-10-21
ISSN 1944-8252
Keyword(s) coating
directional fluid transport
liquid transport
one-way fluid transport
surface tension
Science & Technology
Nanoscience & Nanotechnology
Materials Science, Multidisciplinary
Science & Technology - Other Topics
Materials Science
Summary Thin porous materials that can spontaneously transport oil fluids just in a single direction have great potential for making energy-saving functional membranes. However, there is little data for the preparation and functionalities of this smart material. Here, we report a novel method to prepare one-way oil-transport fabrics and their application in detecting liquid surface tension. This functional fabric was prepared by a two-step coating process to apply flowerlike ZnO nanorods, fluorinated decyl polyhedral oligomeric silsesquioxanes, and hydrolyzed fluorinated alkylsilane on a fabric substrate. Upon one-sided UV irradiation, the coated fabric shows a one-way transport feature that allows oil fluid transport automatically from the unirradiated side to the UV-irradiated surface, but it stops fluid transport in the opposite direction. The fabric still maintains high superhydrophobicity after UV treatment. The one-way fluid transport takes place only for the oil fluids with a specific surface tension value, and the fluid selectivity is dependent on the UV treatment time. Changing the UV irradiation time from 6 to 30 h broadened the one-way transport for fluids with surface tension from around 22.3 mN/m to a range of 22.3-56.7 mN/m. We further proved that this selective one-way oil transport can be used to estimate the surface tension of a liquid simply by observing its transport feature on a series of fabrics with different one-way oil-transport selectivities. To our knowledge, this is the first example to use one-way fluid-transport materials for testing the liquid surface tension. It may open up further theoretical studies and the development of novel fluid sensors.
Language eng
DOI 10.1021/acsami.5b05678
Field of Research 091205 Functional Materials
091209 Polymers and Plastics
0904 Chemical Engineering
0303 Macromolecular And Materials Chemistry
0306 Physical Chemistry (Incl. Structural)
Socio Economic Objective 860406 Synthetic Fibres, Yarns and Fabrics
HERDC Research category C1 Refereed article in a scholarly journal
Copyright notice ©2015, American Chemical Society
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Document type: Journal Article
Collection: Institute for Frontier Materials
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