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《China Synthetic Fiber Industry》 2013-01
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Synthesis and properties of fluorine-containing hyperbranched polyester

Sun Yiming,Xie Xia,Bi Xiaoyun (School of Chemical and Environment Engineering,Hubei University of Technology,Wuhan 430068)  
The fluoride-containing hyperbranched polyester was prepared by the terminal group modification of hyperbranched polyester with tridecafluorooctanoic acid.The polymer was characterized and analyzed by Fourier transform infrared spectrometry and differential scanning calorimetry.The results showed that tridecafluorooctanoic acid was successfully grafted on hyperbranched polyester;the fluoride-containing hyperbranched polyester had the glass transition temperature of-20.5 ℃ and the solution thereof exhibited low viscosity and good film forming ability as the solid content was up to 70%;and the film had adhesion grade 1,flexibility 1 mm,pencil hardness 2 H,anti-impact strength 4.9 J/cm2,water contact angle 105° and favorable surface hydrophobicity.
【CateGory Index】: TQ323.41
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