Abstract
Two new interesting compounds, ethanedial-1,2-bis-(2-(1-amino-2,2-dinitroethenyl))hydrazone (EDNH) and 3-dinitromethyl-1,2,4-triazine (DNTA), were synthesized by the reaction of 1-amino-1-hydrazino-2,2-dinitroethylene (AHDNE) and glyoxal under different acid–base conditions, and reaction processes were discussed. Thermal decomposition behaviors of the two compounds were studied with DSC and TG/DTG methods, and the kinetic equations of decomposition process were obtained. Self-accelerating decomposition temperature and critical temperature of thermal explosion are 193.92 and 209.75 °C for EDNH, and 242.46 and 259.94 °C for DNTA, respectively. Specific heat capacities of the two compounds all present a square relationship with temperature in determined temperature range, and molar heat capacities at 298.15 K are 331.30 and 213.13 J mol−1 K−1, respectively. DNTA and EDNH are relatively insensitive (> 35 and > 25 J), which are much lower than that of AHDNE.
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Acknowledgements
This work was supported by the National Natural Science Foundation of China (No. 21673178), the National Defense Scientific Research Project and the Fund of Shanxi Province Key Laboratory (No. 14JS113).
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Cai, M., Zhou, TH., Li, YN. et al. Two interesting derivatives of 1-amino-1-hydrazino-2,2-dinitroethylene (AHDNE): synthesis and thermal properties. J Therm Anal Calorim 140, 2237–2245 (2020). https://doi.org/10.1007/s10973-019-09013-x
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DOI: https://doi.org/10.1007/s10973-019-09013-x