Effect of Hexamethylenetetramine Content on the Performance of Ammonium-Amine Explosives

HU Jie; HUANG Wenyao; SUN Yanchen; NIU Caoyuan; LIANG Hao; SHI Ran

doi:10.11858/gywlxb.20230691

Volume 37 Issue 5

Nov 2023

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Chinese Journal of High Pressure Physics > 2023 > 37(5): 055201.

HU Jie, HUANG Wenyao, SUN Yanchen, NIU Caoyuan, LIANG Hao, SHI Ran. Effect of Hexamethylenetetramine Content on the Performance of Ammonium-Amine Explosives[J]. Chinese Journal of High Pressure Physics, 2023, 37(5): 055201. doi: 10.11858/gywlxb.20230691

Citation:

HU Jie, HUANG Wenyao, SUN Yanchen, NIU Caoyuan, LIANG Hao, SHI Ran. Effect of Hexamethylenetetramine Content on the Performance of Ammonium-Amine Explosives[J]. Chinese Journal of High Pressure Physics, 2023, 37(5): 055201. doi: 10.11858/gywlxb.20230691

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Effect of Hexamethylenetetramine Content on the Performance of Ammonium-Amine Explosives

doi: 10.11858/gywlxb.20230691

School of Chemical Engineering, Anhui University of Science and Technology, Huainan 232001, Anhui, China

Received Date: 03 Jul 2023
Rev Recd Date: 17 Jul 2023

Available Online: 20 Sep 2023

Issue Publish Date: 07 Nov 2023

Abstract

Abstract

To investigate the effect of hexamethylenetetramine content on the performance of ammonium-amine explosives, five groups of ammonium-amine explosives were prepared using hexamethylenetetramine with mass fractions of 5.5%, 6.5%, 7.5%, 8.5% and 9.5%. The cross-linking time, detonation velocity and thermal decomposition process of ammonium-amine explosives were studied by means of viscosity analyzer, chronograph, detonation velocity tester and thermal analysis techniques. The results show that when the mass fraction of hexamethylenetetramine increases from 5.5% to 9.5%, the cross-linking speed of ammonium-amine explosive gradually slows down and the cross-linking time gradually increases from 7 h to 13 h, and the detonation velocity of explosive increases firstly from 3552 m/s to 4070 m/s and then decreases to 3663 m/s. The content of hexamethylenetetramine has insignificant effect on the thermal decomposition process of ammonium-amine explosives. With increasing content of hexamethylenetetramine, the apparent activation energy of ammonium-amine explosive increases from 93.71 kJ/mol to 124.71 kJ/mol, and the thermal stability is improved.
- ammonium-amine explosive,
- hexamethylenetetramine,
- detonation velocity,
- thermal stability

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Effect of Hexamethylenetetramine Content on the Performance of Ammonium-Amine Explosives

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