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Control over the hydrophobic behavior of polystyrene surface by annealing temperature based on capillary template wetting method

Xu, Jianhai, Li, Mei, Zhao, Yan and Lu, Qinghua 2007, Control over the hydrophobic behavior of polystyrene surface by annealing temperature based on capillary template wetting method, Colloids and surfaces A : physicochemical and engineering, vol. 302, no. 1-3, pp. 136-140, doi: 10.1016/j.colsurfa.2007.02.030.

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Title Control over the hydrophobic behavior of polystyrene surface by annealing temperature based on capillary template wetting method
Author(s) Xu, Jianhai
Li, Mei
Zhao, Yan
Lu, Qinghua
Journal name Colloids and surfaces A : physicochemical and engineering
Volume number 302
Issue number 1-3
Start page 136
End page 140
Total pages 5
Publisher Elsevier
Place of publication Amsterdam, Netherlands
Publication date 2007-07
ISSN 0927-7757
1873-4359
Summary The wetting behavior of water droplets was studied on tunable nanostructured polystyrene (PS) surfaces fabricated by temperature-induced capillary template wetting. The surface morphology of PS varied with the annealing temperature. Contact angle (CA) measurements showed that the wettability of polystyrene surfaces could be tuned from hydrophobic (CA = 104°) to superhydrophobic (CA = 161°) by rendering different morphologies, which could be explained by two distinct wetting modes, i.e., the Wenzel and Cassie–Baxter wetting state. Meanwhile, the critical annealing temperature inducing wetting transition between the Wenzel state and Cassie–Baxter state was obtained. This approach could be easily extended to produce superhydrophobic surfaces on other thermoplastic polymers.
Language eng
DOI 10.1016/j.colsurfa.2007.02.030
Field of Research 091209 Polymers and Plastics
HERDC Research category C1.1 Refereed article in a scholarly journal
Copyright notice ©2007, Elsevier
Persistent URL http://hdl.handle.net/10536/DRO/DU:30025907

Document type: Journal Article
Collection: Centre for Material and Fibre Innovation
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