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Thermal Decomposition of HTPB/AP and HTPB/AP/Al Studied by DSC-FTIR
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    Abstract:

    The thermal decomposition of HTPB/AP composite propellants and the influence of pressure and Al powder on the thermal decomposition were investigated by PDSC, TG-DTG and simultaneous DSC-FTIR. The results show that the thermal decomposition of AP component in HTPB/AP is delayed due to the coating deactivation of HTPB on AP. The thermal decomposition of HTPB component is accelerated with AP. The thermal decomposition of HTPB/AP system can be accelerated by both the pressure and Al, and the burning rate is increased as well. The pressure causes a phenomenon of multiple peaks which appear on DSC curves of the thermal decomposition for HTPB component, but Al can restrain the phenomenon. Furthermore, the “after-solidify” process of HTPB result from AP component and the pressure strengthens this process.

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施震灏,刘子如,陈智群,等. DSC-FTIR联用研究HTPB/AP和HTPB/AP/Al体系的热分解[J].含能材料,2007,15(2):105-108.
SHI Zhen-hao, LIU Zi-ru, CHEN Zhi-qun, et al. Thermal Decomposition of HTPB/AP and HTPB/AP/Al Studied by DSC-FTIR[J]. Chinese Journal of Energetic Materials,2007,15(2):105-108.

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History
  • Received:May 23,2006
  • Revised:
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  • Online: October 31,2011
  • Published: