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The mechanical and fatigue properties of flowable crosslink thermoplastic polymer blends based on self‐catalysis of transesterification
Authors:Xilong Hu  Yan Wang  Junrong Yu  Jing Zhu  Zuming Hu
Affiliation:State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Material Science and Engineering, Donghua University, Shanghai, People's Republic of China
Abstract:
A flowable crosslink polymer blend was successfully developed through a reactive compounding process. An epoxy captained ethylene acrylate copolymer and a carboxylic acid and zinc ion contained ethylene acrylic copolymer were employed to react in a twin screw extruder to form a partially crosslink polymer blend which was flowable at high temperature due to the rapid transesterification catalyzed by the zinc ion in the polymer. The developed crosslink polymer blend showed a significant improvement of the mechanical strength, thermal stability, and fatigue performance compared to the neat ethylene acrylic copolymer because of the strong chemical crosslink among polymer chains. © 2017 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2017 , 134, 44964.
Keywords:crosslink  fatigue  thermoplastic  transesterification
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