A preparation method of loaded ammonium perchlorate/graphene oxide three-dimensional energetic material

Abstract

The invention discloses a method for preparing a loaded ammonium perchlorate / graphene oxide three-dimensional energetic material, which includes the following steps: in the first step, graphene oxide is prepared, and through high-intensity ultrasonic treatment, uniformly dispersed oxide is prepared. Graphene aqueous solution; in the second step, dissolve ammonium perchlorate crystals in the graphene oxide aqueous solution, and place the mixture in a low-temperature environment to completely freeze it; in the third step, remove the water from the mixture using freeze-drying , retaining the three-dimensional structure of ammonium perchlorate / graphene oxide; the preparation method of the loaded ammonium perchlorate / graphene oxide three-dimensional energetic material of the present invention has low cost, high safety, uniform distribution of each component of the material, and no Residual impurities or reactants will be produced, and the yield is high; and the three-dimensional structure formed is well maintained, which improves the heat transfer during the thermal decomposition process, ensures the efficient and continuous occurrence of the catalytic reaction, and can significantly increase the propellant burning rate.

Description

technical field [0001] The invention relates to a method for preparing a loaded ammonium perchlorate / graphene oxide three-dimensional energetic material, and belongs to the technical field of energetic material preparation. Background technique [0002] Solid propellants are the energy source of rocket and missile engines, and their performance directly affects the combat effectiveness of rocket and missile weapon systems. Good burning rate and energy characteristics are an important direction and technical basis for the development of solid propellants and their weapon systems; Due to its high specific impulse and good mechanical properties, solid propellants have been widely used in missile systems in various countries in recent years, and are currently the mainstream engine design scheme; The combustion performance of the propellant mainly depends on the thermal decomposition of the oxidant. The lower the decomposition temperature, the shorter the ignition delay time and ...

AI Technical Summary

Problems solved by technology

[0006] At present, the main processing technology that graphene oxide is used for the catalysis of ammonium perchlorate is: 1. Mix graphene oxide and ammonium perchlorate in a mixer. Since no surface treatment is carried out in this method, graphene oxide is easy to Agglomeration occurs, reducing the catalytic effect; 2. Attaching ammonium perchlorate particles to the surface of graphene oxide sheets, this method increases the contact area between ammonium perchlorate and graphene oxide, but because the sheets are independent of each other , thus limiting the conduction of heat, which limits the further improvement of catalytic performance; 3. Depositing graphene oxide on the surface of ammonium perchlorate particles, this method also does not form a good heat conduction path, which limits the improvement of thermal decomposition catalytic performance

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