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Updated: Aug 26, 2025

Research and Development of High-performance Explosives
Published on: February 20, 2016
An advanced primary explosive and secondary explosive based on a zwitterionic pyrazole-triazole derivative
Jie Tang1, Hualin Xiong1, Guojie Zhang1
1School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, Xiaolingwei 200, Nanjing, 210094, P. R. China. gcheng@mail.njust.edu.cn.
Two novel zwitterionic energetic materials were synthesized. One shows potential as a secondary explosive, the other as a primary explosive, highlighting zwitterions for high-energy density materials.
Area of Science:
- Materials Science
- Chemistry
- Energetic Materials
Background:
- Zwitterionic molecules are increasingly explored for energetic applications.
- Developing new high-energy density materials (HEDMs) with improved safety is crucial.
Purpose of the Study:
- To synthesize and characterize novel zwitterionic energetic materials.
- To evaluate their potential as primary and secondary explosives.
Main Methods:
- Synthesis of two zwitterionic compounds with a pyrazole-triazole backbone.
- Comprehensive characterization including decomposition temperature, impact sensitivity, and detonation velocity calculations.
- Experimental testing of priming ability for primary explosive potential.
Main Results:
- Compound 3 exhibits a high decomposition temperature (>200 °C), low impact sensitivity (>40 J), and high calculated detonation velocity (9090 m s⁻¹), indicating suitability as a secondary explosive.
- Compound 4 demonstrated good priming ability, confirming its potential as a primary explosive.
- Zwitterionic structures show promise for designing advanced energetic materials.
Conclusions:
- Zwitterionic energetic materials offer a promising avenue for developing next-generation explosives.
- The synthesized compounds present distinct properties suitable for both primary and secondary explosive applications.
- This work supports the broader strategy of utilizing zwitterionic frameworks in HEDM research.
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