Dinitrophenyl-oxadiazole compounds: Design strategy, synthesis, and properties of a series of new melt-cast explosives

Autor: Bao-long Kuang, Ting-wei Wang, Cong Li, Mou Sun, Qamar-un-Nisa Tariq, Chao Zhang, Zhi-ming Xie, Zu-jia Lu, Jian-guo Zhang
Jazyk: angličtina
Rok vydání: 2024
Předmět:
Zdroj: Defence Technology, Vol 35, Iss , Pp 100-107 (2024)
Druh dokumentu: article
ISSN: 2214-9147
DOI: 10.1016/j.dt.2023.11.022
Popis: Melt-cast explosives are the most widely used energetic materials in military composite explosives, researchers have been unremittingly exploring high-energy and insensitive melt-cast explosives. In this work, a series of dinitrophenyl-oxadiazole compounds were designed and prepared. These compounds have an ideal low melting point (80–97 °C), good detonation performance (detonation velocity D = 6455–6971 m/s, detonation pressure P = 18–19 GPa) and extreme insensitive nature (impact sensitivity ≥60 J, friction sensitivity >360 N). All these compounds were well characterized by nuclear magnetic resonance, fourier transform infrared spectroscopy, elemental analysis. Compounds 2, 3 were unambiguously confirmed by X-ray single crystal diffraction analysis. As a result, their overall properties are superior to traditional melt-cast explosives trinitrotoluene (TNT) and dinitroanisole (DNAN) which may have excellent potential applications in insensitive melt-cast explosives.
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