Abstract
In this study, the effect of copper oxide (CuO) with different sizes on the heat‐induced catalysis decomposition of typical molecular perovskite‐based energetic material DAP‐4 was studied. Pure CuO with different sizes and DAP‐4 are characterized by X‐ray diffraction (XRD) and scanning electron microscopy (SEM). Heat‐induced catalysis decomposition performances of DAP‐4 with adding CuO were investigated by differential scanning calorimeter (DSC). Results demonstrated that with a lower‐addition CuO at the nanoscale added (1 wt%), DAP‐4 had decreased at least by 36°C with the heating rate of 10°C/min, compared with pure DAP‐4. With the CuO particle size of 50 nm, the Ea of DAP‐4 heat‐induced decomposition in DAP‐4/CuO‐50 had reduced from 159.8 kJ/mol to 120.2 kJ/mol, which is lower than DAP‐4/CuO‐150. The heat‐induced catalysis decomposition mechanism of DAP‐4 by using CuO as a nanoadditive was proposed.
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