Journal
EUROPEAN POLYMER JOURNAL
Volume 43, Issue 7, Pages 2928-2934Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.eurpolymj.2007.04.028
Keywords
fluorine-containing acrylate copolymers; radiation co-polymerization; FTIR; XPS; DMTA; static contact angle
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A series of fluorine-containing acrylate copolymers were prepared by Co-60 gamma-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. (c) 2007 Elsevier Ltd. All rights reserved.
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