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The influence of the active diluents cyclohexene oxide on the curing processing

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Abstract

The curing behavior and kinetics of epoxy resin (diglycidyl ether of bisphenol-A) with curing agent polyamidoamine and cyclohexene oxide as active diluents were investigated by differential scanning calorimetry. The apparent activation energy obtained by Kissinger method was 44.37 kJ mol−1. The result of model-fitting kinetic analysis showed that autocatalytic model (Šesták–Berggren model) was suitable to describe the curing mechanism. The thermal–mechanical properties were characterized with dynamic mechanical analysis, and the activation energies for α relaxation were calculated according to the Arrhenius law. Thermogravimetric analysis showed that the performance of the thermal decomposition almost stayed the same although reactive diluent (cyclohexene oxide) was added in curing system.

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Authors and Affiliations

  1. College of Materials Science and Engineering, Central South University, Changsha, China

    Mei Hua Liu, Huai Yuan Hou & Man Li

  2. College of Chemistry and Chemical Engineering, Central South University, Changsha, China

    Hong Jian Peng

Authors
  1. Mei Hua Liu
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  2. Huai Yuan Hou
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  3. Hong Jian Peng
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  4. Man Li
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Correspondence to Mei Hua Liu.

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Liu, M.H., Hou, H.Y., Peng, H.J. et al. The influence of the active diluents cyclohexene oxide on the curing processing. J Therm Anal Calorim 122, 509–515 (2015). https://doi.org/10.1007/s10973-015-4726-6

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  • DOI: https://doi.org/10.1007/s10973-015-4726-6

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