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Ring-opening metathesis copolymerization of dicyclopentadiene and cyclopentene through reaction injection molding process

Authors

  • Zhen Yao,

    1. Institute of Polymerization and Polymer Engineering, Department of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310027, China
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  • Li-wu Zhou,

    1. Institute of Polymerization and Polymer Engineering, Department of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310027, China
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  • Bin-bin Dai,

    1. Institute of Polymerization and Polymer Engineering, Department of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310027, China
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  • Kun Cao

    Corresponding author
    1. Institute of Polymerization and Polymer Engineering, Department of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310027, China
    2. State Key Laboratory of Chemical Engineering, Zhejiang University, Hangzhou 310027, China
    • Department of Chemical and Biological Engineering, Institute of Polymerization and Polymer Engineering, Zhejiang University, Hangzhou 310027, China
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Abstract

Copolymer of dicyclopentadiene and cyclopentene (CPE) is synthesized through ring-opening metathesis polymerization using the second-generation Grubbs catalyst. The influences of monomer composition, catalyst concentration, and reaction temperature on gelification time and monomer conversion have been investigated. Furthermore, the reaction injection molding process is employed to produce the copolymer of dicyclopentadiene and CPE. It has been found that postcuring process is necessary to achieve 100% monomer conversion. The incorporation of a small amount of CPE into the copolymers can reduce the weight loss rate in the TGA process and improve the mechanical properties. The effects of CPE fraction, catalyst concentration, and postcuring temperature on thermal stability and mechanical properties are discussed. © 2012 Wiley Periodicals, Inc. J Appl Polym Sci, 2012

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