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        Structural and Thermal Characteristics of a High-Nitrogen Energetic Material: G(AHDNE)

        Lei ,Kangzhen Xu,Hang Zhang,Gang Wang,Jie Huang,Bozhou Wang,Fengqi Zhao 대한화학회 2012 Bulletin of the Korean Chemical Society Vol.33 No.7

        A high-nitrogen energetic salt, 1-amino-1-hydrazino-2,2-dinitroethylene guanidine salt [G(AHDNE)], was synthesized by reacting of 1-amino-1-hydrazino-2,2-dinitroethylene (AHDNE) and guanidine hydrochloride in sodium hydroxide aqueous solution. The theoretical investigation on G(AHDNE) was carried out by B3LYP/ 6-311+G* method. The thermal behaviors of G(AHDNE) were studied with DSC and TG-DTG methods, and the result presents an intense exothermic decomposition process. The enthalpy, apparent activation energy and pre-exponential constant of the process are −1060 J g−1, 148.7 kJ mol−1 and 1015.90 s−1, respectively. The critical temperature of thermal explosion of G(AHDNE) is 152.63 °C. The specific heat capacity of G(AHDNE) was studied with micro-DSC method and theoretical calculation method, and the molar heat capacity is 314.69 J mol−1 K−1 at 298.15 K. Adiabatic time-to-explosion of G(AHDNE) was calculated to be a certain value between 60-72 s. The detonation velocity and detonation pressure were also estimated. G(AHDNE) presents good performances.

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