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CL-20/TKX-50 eutectic explosive and production method thereof

A technology of TKX-50 and CL-20, applied in explosives processing equipment, explosives, nitrated acyclic/alicyclic/heterocyclic amine explosive composition, etc., can solve the problem of insignificant desensitization effect and achieve high nitrogen content , low mechanical sensitivity, and the effect of improving safety

Inactive Publication Date: 2019-08-23
NANJING UNIV OF SCI & TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Experiments have proved that the co-crystals prepared by CL-20 and these ligands can desensitize CL-20, but the desensitization effect is not obvious

Method used

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  • CL-20/TKX-50 eutectic explosive and production method thereof
  • CL-20/TKX-50 eutectic explosive and production method thereof

Examples

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Effect test

Embodiment 1

[0026] Example 1: Preparation of eutectic materials of CL-20 and TKX-50 (feeding ratio 1:2)

[0027] Weigh 0.438g (1mmol) of CL-20 and 0.472g (2mmol) of TKX-50 and vacuum dry them in a beaker for 3 hours. Accurately measure 50ml of DMF liquid with a graduated cylinder and add it to the beaker, ultrasonically and heat in a water bath to 80°C until the drug is completely dissolved. Next, measure 80 mL of chloroform in the flask, and drop the completely dissolved solution into the flask at a speed of 0.5 mL / min with a magnetic stirring speed of 1000 rpm. After the dropwise addition, keep stirring at the original speed for 1 h. Finally, after standing for 3 hours, it was filtered, and the filtered sample was vacuum-dried for 3 hours to obtain an ultrafine eutectic sample.

[0028] Test the impact sensitivity of the prepared nanocomposite with reference to method 601.2 in GJB772A-97. In the impact sensitivity experiment, a 5 kg drop hammer was used, the dose of each shot was 30 ...

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Abstract

The invention discloses CL-20 / TKX-50 eutectic explosive and a production method thereof. The CL-20 / TKX-50 eutectic explosive is composed of CL-20 and TKX-50, wherein a molar ratio of the CL-20 to theTKX-50 is 1:2; and the method comprises the steps of using DMF or DMSO as a solvent, conducting ultrasonic treatment and water-bath heating on the CL-20 and the TKX-50 until the CL-20 and the TKX-50 are completely dissolved in the solvent, adopting chloroform as an anti-solvent, under a condition of magnetic stirring, adding a completely-dissolved solution into the chloroform slowly and dropwise,after adding is completed, standing, conducting filtering, collecting obtained sediment, and conducting vacuum drying to remove the residual solvent, so as to obtain the eutectic explosive. Accordingto the CL-20 / TKX-50 eutectic explosive and the production method thereof, a solvent-non-solvent method is adopted, the TKX-50 is selected as a ligand for producing eutectic with the CL-20, the methodis simple to operate, safe and reliable, and the sensitivity of the CL-20 can be effectively reduced.

Description

technical field [0001] The invention relates to a CL-20 eutectic explosive and a preparation method thereof, in particular to a method for preparing a CL-20 / TKX-50 eutectic explosive by using a solvent-non-solvent method, and belongs to the field of energetic materials. Background technique [0002] CL-20 is a new high-energy single-substance explosive with the characteristics of high energy density and excellent detonation performance. But its inherent high sensitivity severely limits its application in military and civilian fields. Elemental CL-20 explosives cannot meet people's requirements for new explosives. Therefore, scientists have done a lot of modification work on it. These modification methods mainly include refinement of CL-20 particle size, optimization of crystal form and surface coating. Experiments prove that these methods reduce the sensitivity of CL-20 to a certain extent, but there are also certain defects. Because these methods all intervene on a macr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C06B25/34C06B21/00
CPCC06B21/0008C06B25/34
Inventor 姜炜袁朔郝嘎子肖磊胡玉冰陈腾
Owner NANJING UNIV OF SCI & TECH
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