Journal
APPLIED SURFACE SCIENCE
Volume 256, Issue 12, Pages 3972-3976Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.apsusc.2010.01.059
Keywords
Bulk polymerization; Phase separation; Superhydrophobic; Lotus-like; Fluoropolymer film
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Funding
- Youth Scientist Fund of Shandong Province [2007BS04007]
- Doctoral Startup Foundation of Shandong Institute of Light Industry
- National Natural Science Foundation of China [50772059]
- National Excellent Doctoral Dissertation [200539]
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Styrene and 2,2,3,4,4,4-hexafluorobutyl methacrylate copolymers were synthesized by bulk polymerization, and the superhydrophobic copolymer films were prepared subsequently using phase separation technique. The copolymer was dissolved in tetrahydrofuran, and then added ethanol into the solution thereafter, to induce phase separation. The microstructures of the polymer films were controlled by the degree of phase separation, which was enhanced properly by the concentration of ethanol. The surface morphology of the films, observed by environmental scanning electron microscope, is similar to that of the lotus leaf. The contact angle and sliding angle were measured as 154.3 degrees and 5.8 degrees, respectively. The excellent superhydrophobic property demonstrated that the phase separation technique is useful for preparing lotus-like fluoropolymer films. (C) 2010 Elsevier B.V. All rights reserved.
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