Polymethylenetetrazole: Synthesis, Characterization, and Energetic Properties
Ljubica Brenjo, Aleksandar Oklješa, Matija Tomšič, Berta Barta Holló, Jovica Nešić, Elvira Tóth, Črtomir Podlipnik
TL;DR
Scientists synthesized and tested a new polymer, polymethylenetetrazole, which could serve as an insensitive explosive material due to its high energy density and stability.
Contribution
The novel contribution is the synthesis and characterization of polymethylenetetrazole as a potential insensitive high-energy density material.
Findings
Polymethylenetetrazole was successfully synthesized and characterized using NMR, IR, and Raman spectroscopy.
The compound exhibits low sensitivity to friction and impact, suggesting it could be an insensitive explosive.
Thermal and energetic properties indicate its potential as a high-energy density material.
Abstract
The tetrazole moiety remains one of the most interesting scaffolds in the development of new high-energy density materials (HEDMs) because of its desired characteristics, such as high nitrogen content and heat of formation (HOF). The combination of several heterocycles with high HOF seems to be a promising strategy for obtaining energetic materials with superior properties. Herein, we report the synthesis and characterization of a tetrazole polymer, polymethylenetetrazole (PMT), as a potential HEDM. The compound was characterized using NMR, IR, and Raman spectroscopy. Its weight average molecular mass was obtained by static light scattering (SLS), and its physical properties by powder XRD analysis. The density, sensitivity to friction (FS), and impact (IS) of the compound were determined as well. The results of the thermal and energetic properties of PMT suggest that this polymer could…
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Taxonomy
TopicsEnergetic Materials and Combustion · Thermal and Kinetic Analysis · High-Velocity Impact and Material Behavior