Open Access
Materials, volume 15, issue 7, pages 2568
Probing the Reaction Mechanisms of 3,5-Difluoro-2,4,6-Trinitroanisole (DFTNAN) through a Comparative Study with Trinitroanisole (TNAN)
3
Science and Technology on Aerospace Chemical Power Laboratory, Hubei Institute of Aerospace Chemotechnology, Xiangyang 441003, China
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Publication type: Journal Article
Publication date: 2022-03-31
General Materials Science
Abstract
To probe the thermal decomposition mechanisms of a novel fluorinated low-melting-point explosive 3,5-difluoro-2,4,6-trinitroanisole (DFTNAN), a comparative study with trinitroanisole (TNAN) was performed under different heating conditions. The thermal decomposition processes and initial reactions were monitored by DSC-TG-FTIR-MS and T-jump-PyGC-MS coupling analyses, respectively. The results show that fluorine decreased the thermal stability of the molecular structure, and the trigger bond was transferred from the ortho-nitro group of the ether to the para-nitro group. The possible reaction pathway of DFTNAN after the initial bond breakage is the rupture of the dissociative nitro group with massive heat release, which induces the ring opening of benzene. Major side reactions include the generation of polycyclic compounds and fluorine atom migration. Fluorine affects the thermal stability and changes the reaction pathway, and fluorinated products appear in the form of fluorocarbons due to the high stability of the C-F bond.
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Jiao Q. et al. Probing the Reaction Mechanisms of 3,5-Difluoro-2,4,6-Trinitroanisole (DFTNAN) through a Comparative Study with Trinitroanisole (TNAN) // Materials. 2022. Vol. 15. No. 7. p. 2568.
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Jiao Q., Li T., Ou Y., Jing S., Wang F. Probing the Reaction Mechanisms of 3,5-Difluoro-2,4,6-Trinitroanisole (DFTNAN) through a Comparative Study with Trinitroanisole (TNAN) // Materials. 2022. Vol. 15. No. 7. p. 2568.
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TY - JOUR
DO - 10.3390/ma15072568
UR - https://doi.org/10.3390/ma15072568
TI - Probing the Reaction Mechanisms of 3,5-Difluoro-2,4,6-Trinitroanisole (DFTNAN) through a Comparative Study with Trinitroanisole (TNAN)
T2 - Materials
AU - Jiao, Qingjie
AU - Li, Tianqi
AU - Jing, Suming
AU - Wang, Fang
AU - Ou, Yapeng
PY - 2022
DA - 2022/03/31 00:00:00
PB - Multidisciplinary Digital Publishing Institute (MDPI)
SP - 2568
IS - 7
VL - 15
SN - 1996-1944
SN - 1996-1944
ER -
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@article{2022_Jiao,
author = {Qingjie Jiao and Tianqi Li and Suming Jing and Fang Wang and Yapeng Ou},
title = {Probing the Reaction Mechanisms of 3,5-Difluoro-2,4,6-Trinitroanisole (DFTNAN) through a Comparative Study with Trinitroanisole (TNAN)},
journal = {Materials},
year = {2022},
volume = {15},
publisher = {Multidisciplinary Digital Publishing Institute (MDPI)},
month = {mar},
url = {https://doi.org/10.3390/ma15072568},
number = {7},
pages = {2568},
doi = {10.3390/ma15072568}
}
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Jiao, Qingjie, et al. “Probing the Reaction Mechanisms of 3,5-Difluoro-2,4,6-Trinitroanisole (DFTNAN) through a Comparative Study with Trinitroanisole (TNAN).” Materials, vol. 15, no. 7, Mar. 2022, p. 2568. https://doi.org/10.3390/ma15072568.