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“Nascent” Cu(0) nanoparticles-mediated single electron transfer living radical polymerization of acrylonitrile at ambient temperature

Authors

  • Yun-Hai Yu,

    1. School of Materials Science and Engineering, Tianjin Key Laboratory of Fiber Modification and Functional Fiber, Tianjin Polytechnic University, Tianjin 300160, China
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  • Xiao-Hui Liu,

    Corresponding author
    1. School of Materials Science and Engineering, Tianjin Key Laboratory of Fiber Modification and Functional Fiber, Tianjin Polytechnic University, Tianjin 300160, China
    • School of Materials Science and Engineering, Tianjin Key Laboratory of Fiber Modification and Functional Fiber, Tianjin Polytechnic University, Tianjin 300160, China
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  • Di Jia,

    1. School of Materials Science and Engineering, Tianjin Key Laboratory of Fiber Modification and Functional Fiber, Tianjin Polytechnic University, Tianjin 300160, China
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  • Bo-Wen Cheng,

    Corresponding author
    1. School of Materials Science and Engineering, Tianjin Key Laboratory of Fiber Modification and Functional Fiber, Tianjin Polytechnic University, Tianjin 300160, China
    • School of Materials Science and Engineering, Tianjin Key Laboratory of Fiber Modification and Functional Fiber, Tianjin Polytechnic University, Tianjin 300160, China
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  • Fei-Jun Zhang,

    1. School of Materials Science and Engineering, Tianjin Key Laboratory of Fiber Modification and Functional Fiber, Tianjin Polytechnic University, Tianjin 300160, China
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  • Hui-Na Li,

    1. School of Materials Science and Engineering, Tianjin Key Laboratory of Fiber Modification and Functional Fiber, Tianjin Polytechnic University, Tianjin 300160, China
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  • Peng Chen,

    1. School of Materials Science and Engineering, Tianjin Key Laboratory of Fiber Modification and Functional Fiber, Tianjin Polytechnic University, Tianjin 300160, China
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  • Shan Xie

    1. School of Materials Science and Engineering, Tianjin Key Laboratory of Fiber Modification and Functional Fiber, Tianjin Polytechnic University, Tianjin 300160, China
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Abstract

Zn(0)/ppm concentrations of CuBr2 from 10 to 50 ppm was firstly used to catalyze radical polymerization of acrylonitrile at ambient temperature. The polymerization displayed typical living radical polymerization (LRP) characteristics, as evidenced by pseudo first-order kinetics of polymerization, linear increase of number-average molecular weight, and low polydispersity index (PDI) value. Effects of solvent, copper concentration, and initiator concentration on the polymerization reaction and molecular weight as well as PDI were investigated in detail. EC excelled NMP, DMF, and DMSO in terms of rate of polymerization as well as control of molecular weight and PDI. The increase of the copper concentration from 2.5 to 50 ppm leads to a higher rate of polymerization and a better control over the polymerization reaction. 1H NMR and GPC analyses as well as chain extension reaction confirmed the very high chain-end functionality of the resultant polymer. © 2013 Wiley Periodicals, Inc. J Polym Sci Part A: Polym Chem, 2013

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