TY - GEN
T1 - Confined rapid thermolysis/FTIR spectroscopy/ToF mass spectrometry of TAGzT
AU - Chowdhury, Arindrajit
AU - Thynell, Stefan
PY - 2007/1/1
Y1 - 2007/1/1
N2 - The thermal decomposition characteristics of the high-nitrogen energetic material triaminoguanidinium azotetrazolate (TAGzT) were probed by confined rapid thermolysis, in conjunction with rapidscan Fourier transform spectroscopy (FTIR) and time-of-flight mass spectrometry (ToFMS). Of particular interest were the reactions leading to the initiation of decomposition and the subsequent secondary reaction pathways forming copious quantities of molecular nitrogen. Sub-milligram quantities of the sample were subjected to high heating rates of approximately 2000 K/s at temperatures around 260°C in an ambient inert gas at one atm to achieve rapid thermolysis. The major reaction pathway involves proton transfers to form triaminoguanidine (TAG) and azobistetrazole (AzT). TAG decomposes readily under thermal stress through an N-NH2 bond scission to form N2H4, NH3, N2, and NH2NC. AzT decomposes via ring opening reactions to liberate dinitrogen and traces of HCN through various nitrene intermediates.
AB - The thermal decomposition characteristics of the high-nitrogen energetic material triaminoguanidinium azotetrazolate (TAGzT) were probed by confined rapid thermolysis, in conjunction with rapidscan Fourier transform spectroscopy (FTIR) and time-of-flight mass spectrometry (ToFMS). Of particular interest were the reactions leading to the initiation of decomposition and the subsequent secondary reaction pathways forming copious quantities of molecular nitrogen. Sub-milligram quantities of the sample were subjected to high heating rates of approximately 2000 K/s at temperatures around 260°C in an ambient inert gas at one atm to achieve rapid thermolysis. The major reaction pathway involves proton transfers to form triaminoguanidine (TAG) and azobistetrazole (AzT). TAG decomposes readily under thermal stress through an N-NH2 bond scission to form N2H4, NH3, N2, and NH2NC. AzT decomposes via ring opening reactions to liberate dinitrogen and traces of HCN through various nitrene intermediates.
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M3 - Conference contribution
AN - SCOPUS:84946551443
T3 - Fall Technical Meeting of the Eastern States Section of the Combustion Institute 2007 "Chemical and Physical Processes in Combustion"
SP - 181
EP - 186
BT - Fall Technical Meeting of the Eastern States Section of the Combustion Institute 2007 "Chemical and Physical Processes in Combustion"
PB - Combustion Institute
T2 - Fall Technical Meeting of the Eastern States Section of the Combustion Institute 2007: Chemical and Physical Processes in Combustion
Y2 - 21 October 2007 through 24 October 2007
ER -