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A heat-resistant and insensitive energetic material based on the pyrazolo-triazine framework
One of the major challenges in the field of energetic materials is to develop explosive molecules with high detonation performances and low mechanical sensitivity. In this work, a heat-resistant and insensitive energetic compound 4-amino-7-nitro-5H-pyrazolo [4,3-d][1,2,3]triazine-2-oxide (3) was des...
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Published in: | Energetic materials frontiers 2022-03, Vol.3 (1), p.26-31 |
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Main Authors: | , , , , , |
Format: | Article |
Language: | English |
Subjects: | |
Citations: | Items that this one cites Items that cite this one |
Online Access: | Get full text |
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Summary: | One of the major challenges in the field of energetic materials is to develop explosive molecules with high detonation performances and low mechanical sensitivity. In this work, a heat-resistant and insensitive energetic compound 4-amino-7-nitro-5H-pyrazolo [4,3-d][1,2,3]triazine-2-oxide (3) was designed and prepared. It was identified and characterized using X-ray single-crystal diffraction, IR spectroscopy, NMR spectroscopy, mass spectrometry, thermogravimetry, differential scanning calorimetry (TG-DSC), and elemental analysis. This novel energetic compound exhibits good detonation performances (Dv = 8731 m s−1, P = 31.20 GPa), low mechanical sensitivities (IS > 20 J, FS > 360 N), and excellent thermal stability (Td = 291 °C), suggesting that compound 3 may serve as a potential high-energy and insensitive material.
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ISSN: | 2666-6472 2666-6472 |
DOI: | 10.1016/j.enmf.2021.10.002 |