CHINESE JOURNAL OF ENERGETIC MATERIALS
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Electrochemical Synthesis and Properties of Tetrazole-1,3,4-oxadiazole azo Energetic Compounds
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1.Chemical Engineering and Technology, Nanjing University of Science and Technology, Nanjing 210094, China;2.Gansu Yinguang Chemical Industry Group. Co. Ltd, Baiyin 730900, China

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    Abstract:

    To promote the green development of energetic materials and improve their thermal stability and energy performance, the electrochemical synthesis of tetrazole-1,3,4-oxadiazole azo energetic compounds (H2AzAOT) and its metal salts (Mn-AzAOT, Zn-AzAOT, Pb-AzAOT) were studied by inserting the azoxadiazole ring block into the molecule. The structures of H2AzAOT and its metal salts were characterized by single crystal X-ray diffraction, infrared spectroscopy and nuclear magnetic resonance. The thermal stability, impact sensitivity and friction sensitivity were studied by differential scanning calorimetry and standard BAM method. The detonation performances were calculated by EXPLO5 program. The results indicate that H2AzAOT and its metal salts have excellent physicochemical properties. Among them, the theoretical detonation velocity (D) and detonation pressure (p) of H2AzAOT are 8511 m·s-1 and 28.9 GPa, respectively. The D and p of Pb-AzAOT are 8934 m·s-1 and 29.7 GPa, respectively. The detonation performances of both compounds are significantly better than that of the traditional heat-resistant and insensitive energetic material hexanitrostibene (HNS) (D=7612 m·s-1p=24.7 GPa).

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QIN Ya-qi, ZHANG Guang-yuan, LU Ming, et al. Electrochemical Synthesis and Properties of Tetrazole-1,3,4-oxadiazole azo Energetic Compounds[J]. Chinese Journal of Energetic Materials(Hanneng Cailiao),DOI:10.11943/CJEM2025029.

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History
  • Received:February 21,2025
  • Revised:April 07,2025
  • Adopted:April 09,2025
  • Online: April 10,2025
  • Published: