Synthesis of energetic materials shows high thermal stability and friction insensitivity, suggesting a novel approach to energetic compound development.
A set of new energetic materials composed of 1,2,5-oxadiazole moieties coupled with the 4-amino-3,5-dinitrophenyl scaffold through the 1,2,4-oxadiazole linker was designed and synthesized. Synthesized energetic substances exhibit high densities (1.66-1.74 g cm-3), positive enthalpies of formation (17-572 kJ mol-1), and high combined nitrogen-oxygen content (61-67%). Advantageously, newly prepared materials showed high thermal stability (up to 251 °C) and complete insensitivity to friction while retaining good detonation velocities (6.9-7.2 km s-1). Overall, fine modulation of oxadiazole and nitroaromatic scaffolds represents a good strategy for an assembly of balanced and heat-resistant energetic materials.
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Deltsov et al. (2025) studied this question.
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