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Thermal analysis and kinetic decomposition of Nitro-functionalized hydroxyl-terminated polybutadiene bonded explosive

Journal of Thermal Analysis and Calorimetry volume 127, pages 2301–2306 (2017)Cite this article

Abstract

This paper describes thermochemical properties and decomposition characteristics of HMX-based Nitro-HTPB bonded explosive. The thermal stability of three polymer-bonded explosive (PBX) samples containing Nitro-HTPB with various amounts of nitro groups was determined by simultaneous thermogravimetric analysis and differential scanning calorimetry (TG/DSC). The results indicate that nitro content of Nitro-HTPB could affect on thermal stability and its decomposition temperature of PBX samples. Also, Nitro-HTPB bonded explosive decomposes exothermally in a single step. The influence of heating rate on the DSC behavior of the PBX composite material was investigated, while thermal decomposition of this compound followed the first-order law. The critical explosion temperature and kinetic parameters such as activation energy and frequency factor for this explosive compound were obtained from the DSC data by non-isothermal methods proposed by ASTM E698 and Ozawa.

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Authors and Affiliations

  1. Department of Chemistry and Chemical Engineering, Faculty of Chemistry, Malek-Ashtar University of Technology (MUT), Tehran, Iran

    Hadi Abusaidi & Hamid Reza Ghaieni

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  1. Hadi Abusaidi
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  2. Hamid Reza Ghaieni
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Correspondence to Hamid Reza Ghaieni.

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Abusaidi, H., Ghaieni, H.R. Thermal analysis and kinetic decomposition of Nitro-functionalized hydroxyl-terminated polybutadiene bonded explosive. J Therm Anal Calorim 127, 2301–2306 (2017). https://doi.org/10.1007/s10973-016-5808-9

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  • DOI: https://doi.org/10.1007/s10973-016-5808-9

Keywords

  • PBX
  • Nitro-HTPB
  • Thermal decomposition
  • Non-isothermal
  • Kinetic parameters