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Investigation of stabilizer-free dispersion polymerization process of styrene and maleic anhydride copolymer microspheres

Authors

  • Pengzong Liang,

    1. State Key Laboratory of Chemical Resource Engineering and Key Laboratory of Carbon Fiber and Functional Polymers, Ministry of Education, Beijing University of Chemical Technology, Beijing 100029, People's Republic of China
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  • Zhun Meng,

    1. State Key Laboratory of Chemical Resource Engineering and Key Laboratory of Carbon Fiber and Functional Polymers, Ministry of Education, Beijing University of Chemical Technology, Beijing 100029, People's Republic of China
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  • Zhanglin Jiang,

    1. State Key Laboratory of Chemical Resource Engineering and Key Laboratory of Carbon Fiber and Functional Polymers, Ministry of Education, Beijing University of Chemical Technology, Beijing 100029, People's Republic of China
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  • Jun Nie,

    1. State Key Laboratory of Chemical Resource Engineering and Key Laboratory of Carbon Fiber and Functional Polymers, Ministry of Education, Beijing University of Chemical Technology, Beijing 100029, People's Republic of China
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  • Yong He

    Corresponding author
    1. State Key Laboratory of Chemical Resource Engineering and Key Laboratory of Carbon Fiber and Functional Polymers, Ministry of Education, Beijing University of Chemical Technology, Beijing 100029, People's Republic of China
    • State Key Laboratory of Chemical Resource Engineering and Key Laboratory of Carbon Fiber and Functional Polymers, Ministry of Education, Beijing University of Chemical Technology, Beijing 100029, People's Republic of China
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Abstract

The copolymer microspheres of styrene (St) and maleic anhydride (MA) were synthesized by stabilizer-free dispersion polymerization, and the polymerization process was explored in detail. The results showed that the homopolymerization of St formed in initial polymerization period served as stabilizer, and reaction solvent of closer solubility parameter would benefit the stabilizer-free dispersion polymerization. In addition, some principal factors affecting the microspheres size, such as reaction time, reaction temperature, monomer concentration, molar feed ratio, reaction media, and cosolvent, were investigated as well. © 2010 Wiley Periodicals, Inc. J Polym Sci Part A: Polym Chem, 2010

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