Journal
PROPELLANTS EXPLOSIVES PYROTECHNICS
Volume 37, Issue 6, Pages 653-661Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/prep.201100116
Keywords
1; 4-Dihydro-5H-(dinitromethylene)-tetrazole ammonium salt [(NH4)2DNMT]; 1; 1-Diamino-2; 2-dinitroethylene (FOX-7); 1; 4-Dihydro-5H-(dinitromethylene)-tetrazole (DNMT); Crystal structure; Thermal properties
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Funding
- National Natural Science Foundation of China [20803058]
- Basal Science Foundation of National Defense [B0920110005]
- Shaanxi Science Research Program [2011kjxx31]
- Education Committee Foundation of Shaanxi Province [2010JK881]
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1,4-Dihydro-5H-(dinitromethylene)-tetrazole ammonium salt ((NH4)2DNMT), a high nitrogen energetic compound, was synthesized and structurally characterized by single-crystal X-ray diffraction. The thermal behavior of (NH4)2DNMT was studied with DSC and TG-DTG methods. The kinetic equation of the thermal decomposition reaction is: da/dT=1013.17/3 beta(1-a)-2 exp(-1.388x105/RT). The critical temperature of thermal explosion is 182.7?degrees C. The specific heat capacity of (NH4)2DNMT was determined and the molar heat capacity is 301 J?mol-1?K-1 at 298.15 K. The adiabatic time-to-explosion of (NH4)2DNMT was calculated to be 277 s. The detonation velocity and detonation pressure were also estimated. All results showed that (NH4)2DNMT presents good performance.
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