Micro-nano structure Al2O3/NTO acid-inhibiting heat-conducting composite insensitive energetic material and preparation method thereof

The invention discloses a micro-nano structure Al2O3/NTO acid inhibition and heat conduction composite insensitive energetic material and a preparation method thereof, and the material comprises the following components in percentage by weight: 0.5-5% of nano Al2O3 and 95-99.5% of 3-nitro-1, 2, 4-triazole-5-ketone, and the balance of water. The preparation method comprises the following steps: firstly, preparing a supersaturated NTO suspension and a nano Al2O3 dispersion liquid in proportion, and then, carrying out ultrasonic mixing under the heating action to obtain the Al2O3/NTO acid-inhibiting heat-conducting composite insensitive energetic material with the micro-nano structure. According to the micro-nano structure Al2O3/NTO acid inhibition and heat conduction composite insensitive energetic material, the acidity of NTO particles is inhibited, the corrosion to metal is reduced, and the heat conduction performance of the NTO particles is optimized; the preparation method is simple and convenient to operat