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Preparation method for hexanitrohexaazaisowurtzitane and naphthoquinone co-crystallized explosive

A technology of naphthoquinone eutectic explosive and hexanitrohexanitrogen, which is applied in the direction of nitroalkane composition, etc., can solve the problems of low safety performance and high impact sensitivity of explosives, and achieve the effect of reducing impact sensitivity and improving safety performance

Active Publication Date: 2013-11-20
INST OF CHEM MATERIAL CHINA ACADEMY OF ENG PHYSICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The present invention overcomes the deficiencies of the prior art, and provides an embodiment of a preparation method of hexanitrohexaazaisowurtzitane and naphthoquinone (CL-20-NBQ) eutectic explosive, which solves the problem of high impact sensitivity and safety performance of explosives Low-level problems, providing new methods for the study of energetic material modification, and providing synthons for eutectic design

Method used

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  • Preparation method for hexanitrohexaazaisowurtzitane and naphthoquinone co-crystallized explosive
  • Preparation method for hexanitrohexaazaisowurtzitane and naphthoquinone co-crystallized explosive
  • Preparation method for hexanitrohexaazaisowurtzitane and naphthoquinone co-crystallized explosive

Examples

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Embodiment 1

[0029] At room temperature, add 50ml of ethanol into the three-necked flask, then add enough CL-20 under stirring, dissolve and filter to obtain a saturated solution of CL-20. Then add a sufficient amount of NBQ, stir, dissolve, and filter, and the resulting filtrate is a saturated solution of CL-20-NBQ. Put the filtrate in a beaker, then put it still in a thermostat at 25°C, let the solvent evaporate, precipitate crystals, and dry to obtain CL-20-NBQ eutectic explosive.

Embodiment 2

[0031] At room temperature, add 70ml of methanol into the three-necked flask, then add enough CL-20 under stirring, raise the temperature to 35°C, dissolve and filter to obtain a saturated solution of CL-20. Then add a sufficient amount of NBQ, stir, dissolve, and filter, and the resulting filtrate is a saturated solution of CL-20-NBQ. Put the filtrate in a beaker, then put it still in a constant temperature box at 30°C, let the solvent evaporate, and precipitate crystals. Dry to obtain CL-20-NBQ eutectic explosive.

Embodiment 3

[0033] At room temperature, add 60ml of ethyl acetate into the three-necked flask, then add enough CL-20 under stirring, dissolve and filter to obtain a saturated solution of CL-20. Then add a sufficient amount of NBQ, stir, dissolve, and filter, and the resulting filtrate is a saturated solution of CL-20-NBQ. Put the filtrate in a beaker, then put it still in a thermostat at 35°C, let the solvent evaporate, precipitate crystals, and dry to obtain CL-20-NBQ eutectic explosive.

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Abstract

The present invention discloses a preparation method for a hexanitrohexaazaisowurtzitane and naphthoquinone co-crystallized explosive, wherein a crystallization solvent is adopted to prepare a hexanitrohexaazaisowurtzitane and naphthoquinone saturated solution, the saturated solution is placed into a beaker to evaporate the solvent in a constant temperature incubator, and crystallization is performed to obtain the hexanitrohexaazaisowurtzitane and naphthoquinone co-crystallized explosive. According to the present invention, high sensitivity CL-20 and NBQ form co-crystal through intermolecular interactions so as to significantly reduce impact sensitivity of the pure component CL-20, and substantially increase safety performance; and the intermolecular interaction law of co-crystal molecules is further understood, and the obtained effective synthon can be provided for guiding co-crystal design.

Description

technical field [0001] The invention belongs to the field of energetic materials, and specifically relates to the preparation method of hexanitrohexaazaisowurtzitane and naphthoquinone (CL-20-NBQ) eutectic explosives. The invention has better application in high-energy and low-sensitivity explosives prospect. Background technique [0002] The deterioration of the modern battlefield environment has put forward higher requirements for the damage and safety of weapons and ammunition. Therefore, the development of high-energy insensitive energetic materials has become the goal pursued by people. However, there is an inherent contradiction between the energy and safety of energetic materials, that is, the higher the energy, the worse the safety. Hexanitrohexaazaisowurtzitane (CL-20) is an energetic material with high energy density, which is of great significance in high-energy charging and improving the efficient damage of weapons and ammunition. However, its high sensitivity ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C06B25/36
Inventor 杨宗伟李洪珍王玉平周小清张祺聂福德黄辉
Owner INST OF CHEM MATERIAL CHINA ACADEMY OF ENG PHYSICS
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