Preparation and characterization of fluorine-containing acrylate copolymers by Co γ-ray radiation co-polymerization |
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| Authors: | Jun Li Qingjun Wang Qingmin Chen |
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| Institution: | a Department of Polymer Science and Engineering, School of Chemistry and Chemical Engineering, State Key-Laboratory of Coordination Chemistry, Nanjing University, Nanjing 210093, China
b Department of Applied Chemistry, School of Environmental Science and Engineering, Nanjing University of Information Science and Technology, Nanjing 210044, China |
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| Abstract: | A series of fluorine-containing acrylate copolymers were prepared by 60Co γ-ray radiation co-polymerization in a mixed acrylate system, including butyl acrylate, acrylic acid, acrylonitrile, N-hydroxymethyl acrylamide and perfluoroalkylethyl methacrylate (FMA). The yield of the copolymers reached 96% when they were radiated for 34 h with the radiation dose of 1 kGy/h. Moreover, the surface structure and properties of the copolymers were determined by Fourier transform infrared (FTIR), X-ray photoelectron spectroscopy (XPS) and contact angle (CA) analysis. And the glass-transition temperature was measured by dynamic mechanical thermal analysis (DMTA). It was found that the fluoropolymer was of large water static contact angle and fluorine was enriched at the polymer-air interface. The relationship between the copolymer composition, annealed temperature and static contact angle was also discussed in detail. Furthermore, when the FMA content reached 3%, the cotton treated with our products exhibited better oil repellency. |
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| Keywords: | Fluorine-containing acrylate copolymers Radiation co-polymerization FTIR XPS DMTA Static contact angle |
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