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Method for synthesizing 1,3,5-triamino-2,4,6-trinitrobenzene

A technology of trinitrobenzene and trinitroaniline, applied in the field of material chemistry, can solve the problems of complex reaction operation, toxic reactants, harsh reaction conditions, etc., and achieve the effects of easy-to-obtain raw materials, short reaction time, and convenient post-processing

Inactive Publication Date: 2008-12-31
TECHNICAL INST OF PHYSICS & CHEMISTRY - CHINESE ACAD OF SCI
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  • Summary
  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0006] The purpose of the present invention is to overcome the problems of complex reaction operation, harsh reaction conditions, and toxic reactants in the existing production technology, and provide a kind of raw material that is easy to get, mild reaction conditions, easy to operate, short reaction time, and easy to handle products. And the VNS synthesis method of TATB with higher yield

Method used

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  • Method for synthesizing 1,3,5-triamino-2,4,6-trinitrobenzene
  • Method for synthesizing 1,3,5-triamino-2,4,6-trinitrobenzene
  • Method for synthesizing 1,3,5-triamino-2,4,6-trinitrobenzene

Examples

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Embodiment 1

[0022] In a 100ml reaction vessel, dissolve 1.312g of hydroxylamine sulfate, 0.457g of TNA, and 3.808g of sodium ethoxide in a mixed solvent of 50ml of DMSO and toluene, stir evenly, then heat up to 70°C, and react for 8 hours. After the reaction is complete, cool, pour into ice water, filter, wash with acetone and distilled water respectively, and dry in a vacuum oven to obtain tan powder, which is the target product TATB, with a yield of 62.4%. The infrared spectrum of the product is as figure 1 As shown, the mass spectrogram is shown in Figure 2.

Embodiment 2

[0024] In a 100ml reaction vessel, dissolve 0.834g of hydroxylamine hydrochloride, 0.457g of TNA, and 2.056g of sodium ethoxide in 50ml of DMSO, stir evenly, heat up to 80°C, and react for 10 hours. After the reaction is complete, cool, pour into acetic acid aqueous solution, filter, wash with acetone and distilled water respectively, and dry in a vacuum oven to obtain tan powder which is the target product TATB, yield: 70.2%.

Embodiment 3

[0026] In a 100ml reaction vessel, dissolve 0.985g of hydroxylamine hydrochloride, 0.222g of TNA, and 2.592g of sodium methoxide in 25ml of DMSO, stir evenly, raise the temperature to 80°C, and react for 12 hours. After the reaction is complete, cool down, pour into 200ml hydrochloric acid aqueous solution, filter, rinse with acetone and distilled water respectively, and dry in a vacuum oven to obtain yellow TATB with a yield of 77.3%.

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Abstract

The invention belongs to the field of material chemistry, particularly relating to a synthetic methodsynthesis method for insensitive energetic material 1,3,5-triamido-2,4,6-trinitrobenzene(TATB). In a reactor, trinitroaniline is dissolved in solvent which is then joined with aminating agent and alkali catalysts at room temperature; metallic sodium can be selected to join the solvent and stirred as well as heated for reaction; after complete reaction, the mixture is cooled and poured into a quenching fluid for solid precipitation; the solid is then filtered to get the target product 1,3,5-triamido-2,4,6-trinitrobenzene. The TATB synthetic methodsynthesis method disclosed in the invention is simple and easy to implement, and the materials can be easily obtained; besides, the method has mild reaction conditions, convenient post-processing and short reaction time, which eliminates the disadvantages of complex operation, strict conditions and excessive reaction by-products in the classical method; the hydroxylamine is taken as aminating agent, with the yield up to 77.3%; after the addition of sodium in the reaction system, the highest yield can reach 90.8%; if ATA is taken as aminating agent, the highest yield can reach more than 96%.

Description

technical field [0001] The invention belongs to the field of material chemistry, in particular to a VNS synthesis method of 1,3,5-triamino-2,4,6-trinitrobenzene (TATB), an insensitive energetic material. Background technique [0002] Explosives are not only the energy source of weapons, but also an indispensable energetic material in many sectors of the national economic system, occupying an important position in both military and civilian uses. The development of explosives has gone through three stages: the first generation of picric acid, the second generation of TNT, and the third generation of Hessogen, and is currently in the process of using Hessogen and Octogen as the main explosives and focusing on improving the performance of explosives. stage. Explosives commonly used in the past often caused catastrophic accidents due to accidental factors. Therefore, modern weapons have higher and higher requirements for thermal stability, friction sensitivity, and impact sensi...

Claims

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Application Information

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IPC IPC(8): C07C211/52C07C209/02
Inventor 王乃兴刘艳红李海波
Owner TECHNICAL INST OF PHYSICS & CHEMISTRY - CHINESE ACAD OF SCI
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