Abstract

ABSTRACT In this work, 4,5-dinitro-1-methylimidazole (4,5-MDNI) was synthesized and characterized. The thermal decomposition performance of 4,5-MDNI was studied by accelerating rate calorimeter (ARC) under adiabatic conditions, and the thermal decomposition reaction order, possible thermal decomposition kinetic model, and self-accelerating decomposition temperature were calculated. The stability of 4,5-MDNI and its compatibility with high-energy explosives (RDX, HMX, CL-20) were studied by differential scanning calorimetry (DSC). The test results show that 4,5-MDNI has a good stability, poor compatibility with HMX, and basically incompatibility with RDX or CL-20.

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