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Application of the BAMO-AMMO Alternative Block Energetic Thermoplastic Elastomer in Composite Propellant

Authors

  • Chi Zhang,

    Corresponding author
    1. State Key Laboratory of Explosion Science and Technology, Beijing Institute of Technology, Beijing 100081, P. R. China
    2. School of Chemistry and Chemical Engineering, Shangqiu Normal University, Shangqiu 476000, P. R. China
    • Chi Zhang, State Key Laboratory of Explosion Science and Technology, Beijing Institute of Technology, Beijing 100081, P. R. China

      Bin Zhai, School of Chemistry and Chemical Engineering, Shangqiu Normal University, Shangqiu 476000, P. R. China

      Xue-Yong Guo, State Key Laboratory of Explosion Science and Technology, Beijing Institute of Technology, Beijing 100081, P. R. China

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  • Yun-Jun Luo,

    1. State Key Laboratory of Explosion Science and Technology, Beijing Institute of Technology, Beijing 100081, P. R. China
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  • Qing-Jie Jiao,

    1. State Key Laboratory of Explosion Science and Technology, Beijing Institute of Technology, Beijing 100081, P. R. China
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  • Bin Zhai,

    Corresponding author
    1. School of Chemistry and Chemical Engineering, Shangqiu Normal University, Shangqiu 476000, P. R. China
    • Chi Zhang, State Key Laboratory of Explosion Science and Technology, Beijing Institute of Technology, Beijing 100081, P. R. China

      Bin Zhai, School of Chemistry and Chemical Engineering, Shangqiu Normal University, Shangqiu 476000, P. R. China

      Xue-Yong Guo, State Key Laboratory of Explosion Science and Technology, Beijing Institute of Technology, Beijing 100081, P. R. China

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  • Xue-Yong Guo

    Corresponding author
    1. State Key Laboratory of Explosion Science and Technology, Beijing Institute of Technology, Beijing 100081, P. R. China
    • Chi Zhang, State Key Laboratory of Explosion Science and Technology, Beijing Institute of Technology, Beijing 100081, P. R. China

      Bin Zhai, School of Chemistry and Chemical Engineering, Shangqiu Normal University, Shangqiu 476000, P. R. China

      Xue-Yong Guo, State Key Laboratory of Explosion Science and Technology, Beijing Institute of Technology, Beijing 100081, P. R. China

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Abstract

A BAMO-AMMO alternative block (BAAB)-based thermoplastic composite propellant with 80 % solid content was prepared using BAAB energetic thermoplastic elastomer (ETPE) as the binder, and the formulation was optimized through energy calculation. The densities, heats of explosion, glass-transition temperatures, and mechanical properties of the samples were determined by surface tension measurements, oxygen bomb calorimetry, differential scanning calorimetry and static tensile tests, respectively. The results showed that this composite propellant can reach a standard theoretical specific impulse of 275.45 s (10 MPa), a density of 1.8102 g cm−3, a heat of explosion of 6256 kJ kg−1, a Tg of −50.46 °C, a tensile strength of 1.56 MPa and an elongation at break of 20 %, thus presenting a superior comprehensive property to BAMO-AMMO random block (BARB)-based thermoplastic composite propellant.

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