Thermochimica Acta, volume 535, pages 48-57

Thermal behavior and combustion mechanism of high-nitrogen energetic materials DHT and BTATz

V. P. Sinditskii 1
V. Yu. Egorshev 1
G F Rudakov 1
A V Burzhava 1
S A Filatov 1
L D Sang 1
Publication typeJournal Article
Publication date2012-05-01
Quartile SCImago
Q2
Quartile WOS
Q2
Impact factor3.5
ISSN00406031, 1872762X
Physical and Theoretical Chemistry
Condensed Matter Physics
Instrumentation
Abstract
The thermal stability of 3,6-dihydrazino-1,2,4,5-tetrazine (DHT) and 3,6-bis(1H-1,2,3,4-tetrazol-5-ylimino)-1,2,4,5-tetrazine (BTATz) have been examined by isothermal and nonisothermal methods. The research conducted allow considering that the first stage of DHT decomposition is an unique, from viewpoint of thermal decomposition, redox process, in which tetrazine ring is reduced by hydrazine group forming diaminodihydrotetrazine and molecular nitrogen. In the case of BTATz, the decomposition begins with less thermostable tetrazole fragments, which captures the tetrazine ring also. The presence of preliminary reactions of isomerization during tetrazole ring decomposition is the reason for the large observable activation energy of decomposition (240.6 kJ/mol or 57.5 kcal/mol) in the temperature interval 250–334 °C. In the combustion wave at higher temperatures, the activation energy of BTATz decomposition has considerably lower value (128.4 kJ/mol or 30.7 kcal/mol), which is close to theoretically calculated one. Burning characteristics of DHT and BTATz have been investigated. The temperature distribution in the combustion waves of DHT and BTATz have been measured at low pressures, which allows obtaining the surface temperature dependence vs. pressure. The research conducted allow considering that the burning of investigated compounds controls by a combustion model with leading reaction in the condensed phase.

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Sinditskii V. P. et al. Thermal behavior and combustion mechanism of high-nitrogen energetic materials DHT and BTATz // Thermochimica Acta. 2012. Vol. 535. pp. 48-57.
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Sinditskii V. P., Egorshev V. Y., Rudakov G. F., Burzhava A. V., Filatov S. A., Sang L. D. Thermal behavior and combustion mechanism of high-nitrogen energetic materials DHT and BTATz // Thermochimica Acta. 2012. Vol. 535. pp. 48-57.
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TY - JOUR
DO - 10.1016/j.tca.2012.02.014
UR - https://doi.org/10.1016/j.tca.2012.02.014
TI - Thermal behavior and combustion mechanism of high-nitrogen energetic materials DHT and BTATz
T2 - Thermochimica Acta
AU - Sinditskii, V. P.
AU - Egorshev, V. Yu.
AU - Rudakov, G F
AU - Burzhava, A V
AU - Filatov, S A
AU - Sang, L D
PY - 2012
DA - 2012/05/01 00:00:00
PB - Elsevier
SP - 48-57
VL - 535
SN - 0040-6031
SN - 1872-762X
ER -
BibTex
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BibTex Copy
@article{2012_Sinditskii,
author = {V. P. Sinditskii and V. Yu. Egorshev and G F Rudakov and A V Burzhava and S A Filatov and L D Sang},
title = {Thermal behavior and combustion mechanism of high-nitrogen energetic materials DHT and BTATz},
journal = {Thermochimica Acta},
year = {2012},
volume = {535},
publisher = {Elsevier},
month = {may},
url = {https://doi.org/10.1016/j.tca.2012.02.014},
pages = {48--57},
doi = {10.1016/j.tca.2012.02.014}
}
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