Change in the surface properties of poly(vinylidene fluoride) films by treatment in direct-current discharge |
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| Authors: | M. S. Piskarev A. B. Gil’man M. Yu. Yablokov N. A. Shmakova A. A. Kuznetsov |
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| Affiliation: | (1) College of Materials Science and Engineering, Nanjing University of Technology, No.5, Xin Mo Fan Road, Nanjing, 210009, P.R. China;(2) Department of Chemical Engineering, Tsinghua University, Beijing, 100084, P.R. China; |
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| Abstract: | It has been found that treatment in dc discharge results in a substantial and time-invariant increase in the surface energy of poly(vinylidene fluoride) films. This effect is obviously due to the formation of oxygen-containing groups on the polymer surface, a fact that is corroborated by Fourier-transform IR spectroscopy and X-ray photoelectron spectroscopy data. It has been shown that dc discharge is more effective in altering the contact properties of the polymer surface than low-frequency glow discharge. |
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