▎ 摘　　要

NOVELTY - Preparing high-energy mixed explosives with high thermal conductivity and low sensitivity comprises (i) preparing few-layer thermally conductive two-dimensional material dispersion, (ii) carrying out positive charge modification to high-energy explosive, (iii) dispersing positively charged high-energy explosive on surface after modification into distilled water, stirring and dispersing evenly, adding few-layer high thermal conductivity two-dimensional material dispersion liquid prepared in step (i), stirring, suction filtering, washing and drying to obtain high-energy explosive/two-dimensional material complex, and (iv) preparing high-energy mixed explosives by adding high-energy explosives/two-dimensional material complex into water and stirring, adding polymer binder dropwise to prepare explosive modeling powder, filtering, washing with water, and drying, and pressing into powder column, mixed explosive with high thermal conductivity and low mechanical sensitivity can be obtained. USE - The high-energy mixed explosive with high thermal conductivity and low sensitivity described in any one of claims 1-9. ADVANTAGE - The high-energy mixed explosive with high thermal conductivity and low sensitivity, and reduces the mechanical sensitivity of the mixed explosives. The method has a simple and mild preparation process, and the prepared mixed fry has high thermal conductivity and low mechanical sensitivity, is easy to scale up experiments, and realizes industrial production. DETAILED DESCRIPTION - Preparing high-energy mixed explosives with high thermal conductivity and low sensitivity comprises (i) taking the high thermal conductivity two-dimensional material with a negative charge on the surface and dispersing it in deionized water in mass ratio of (0.5-2):100, ultrasonic stripping, obtain a few-layer thermally conductive two-dimensional material dispersion, (ii) carrying out positive charge modification to the high-energy explosive by dissolving the cationic polymer into the acidic solution to obtain the modified solution, adding it to the explosive dispersion, adding the alkaline solution while stirring until the solution is neutral, then stirring, suction filtration and drying to obtain a modified high-energy explosive with a positively charged surface, (iii) dispersing the positively charged high-energy explosive on the surface after modification into distilled water, stirring and dispersing evenly, adding the few-layer high thermal conductivity two-dimensional material dispersion liquid prepared in step (i), where the mass ratio of the few-layer high thermal conductivity two-dimensional material and the modified high-energy explosive is (0.5-4):100, stirring, the positively charged modified high-energy explosive on the surface will adsorb the negatively charged thermally conductive two-dimensional material on its surface to realize co-dispersion, and suction filtering, washing and drying to obtain the high-energy explosive/two-dimensional material complex, and (iv) preparing high-energy mixed explosives by adding the high-energy explosives/two-dimensional material complex prepared in the preparation step (iii) into water and stirring, adding a polymer binder dropwise to prepare explosive modeling powder, filtering, washing with water, and drying, and pressing into a powder column, a mixed explosive with high thermal conductivity and low mechanical sensitivity can be obtained. An INDEPENDENT CLAIM is included for high-energy mixed explosive prepared by the above preparation method of the high-thermal conductivity and low-sensitivity high-energy mixed explosive.