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Synthesis method and application of combustion rate regulator

A synthesis method and regulator technology, applied in chemical instruments and methods, non-explosive/non-thermal agent components, preparation of amino compounds, etc., can solve propellant production requirements, unsatisfactory process performance, and poor propellant burning rate adjustment effect Excellent and other problems, to achieve the effect of excellent burning rate process performance

Pending Publication Date: 2020-07-24
HUBEI INST OF AEROSPACE CHEMOTECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In the research and development of conventional propellants, some propellants have poor burning rate adjustment effects, and some process performances cannot meet the requirements of propellant production, so it is necessary to find new burning rate regulators

Method used

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  • Synthesis method and application of combustion rate regulator
  • Synthesis method and application of combustion rate regulator
  • Synthesis method and application of combustion rate regulator

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] The burning rate regulator was synthesized from trimethylhexadecylammonium bromide and perchloric acid as starting materials. Weigh 5 g (0.014 mol) of trimethylhexadecyl ammonium bromide and place it in a three-necked flask. Weigh 0.8 g perchloric acid (content 70%, 0.015 mol) and dilute to 50 mL with purified water. Add 100mL of pure water into the there-necked flask, start stirring and raise the temperature to 80°C. After the raw materials are completely dissolved, add the perchloric acid solution dropwise with the addition funnel. After the addition, continue to stir for 30 minutes, stop heating, and let the solution cool down naturally. As the temperature decreased, powdery precipitates gradually appeared in the solution. After the temperature of the solution dropped to room temperature, it was filtered with a Buchner funnel, and the filter cake was rinsed with pure water until the filtrate was neutral. The filter cake was taken out and dried at 105° C. for 2 hour...

Embodiment 2

[0039] The burning rate regulator was synthesized from dimethyl dioctadecyl ammonium chloride and ammonium perchlorate as starting materials. Weigh 20 g (0.034 mol) of dimethyl dioctadecyl ammonium chloride and place it in a three-necked flask. Weigh 4.4g (0.037mol) of ammonium perchlorate and dissolve it in 50mL of purified water. Add 200mL of pure water into the three-necked flask, start stirring and raise the temperature to 60°C. After the raw materials are completely dissolved, add the ammonium perchlorate solution dropwise with the addition funnel. Stirring was continued for 30 min after the addition was complete, the heating was stopped, and the solution was allowed to cool down to room temperature naturally. Put ice cubes into the water bath to lower the temperature of the solution below 10°C. After the precipitation is precipitated, quickly filter it with a Buchner funnel, and rinse the filter cake with pure ice water until the filtrate is free of chloride ions. The ...

Embodiment 3

[0041] The burning rate regulator was synthesized from dimethyldidecyl ammonium bromide and potassium perchlorate as starting materials. Weigh 50 g (0.12 mol) of dimethyl didecyl ammonium bromide and place it in a three-necked flask. Weigh 17.9 g (0.13 mol) of potassium perchlorate and dissolve it in 400 mL of pure water. Add 400mL of pure water into the three-necked flask, start stirring and raise the temperature to 60°C. After the raw materials are completely dissolved, add the potassium perchlorate solution dropwise with the addition funnel. Stirring was continued for 30 min after the addition was complete, the heating was stopped, and the solution was allowed to cool down to room temperature naturally. Put ice cubes into the water bath to reduce the temperature of the solution to below 10°C. After the precipitation is precipitated, quickly filter it with a Buchner funnel, and rinse the filter cake with pure ice water until the filtrate is free of bromide ions. The filter...

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Abstract

The invention belongs to the technical field of propellants, and provides a synthesis method of a combustion rate regulator. The novel perchloric acid quaternary ammonium salt type combustion rate regulator is synthesized by utilizing the ionic compound property of quaternary ammonium salt and adopting replacement reaction to realize quaternary ammonium salt anion exchange under proper conditions.The combustion rate regulator not only can reduce the combustion speed of a composite solid propellant, but also has good compatibility with other components of the propellant. Propellant slurry produced by using the combustion rate regulator has good process performance, slurry leveling and smooth pouring can be achieved even under the condition of large usage amount, and the combustion rate regulator has wide popularization and application prospects.

Description

technical field [0001] The invention generally belongs to the technical fields of chemical synthesis technology and composite solid propellant combustion rate regulation, and specifically relates to a synthesis method of a combustion rate regulator. Background technique [0002] In order to improve the performance of the propellant, it is necessary to make the propellant burn stably within a certain burning rate range. In order to achieve this purpose, it is usually necessary to make appropriate adjustments to the burning rate of the propellant with a specific purpose of use on the basis of the formula. Commonly used methods for adjusting the burning rate include: changing some propellant components, adjusting the amount of oxidant and particle size distribution, adding suitable burning rate regulators and other technical approaches. [0003] The selected burning rate regulator must meet several basic requirements: good compatibility with other components of the propellant;...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C07C209/00C07C211/63C06B23/00
CPCC07C209/00C06B23/007C07C211/63
Inventor 程福银郭滢媛韦雪梅白杰郭欣徐娜曹庆玲
Owner HUBEI INST OF AEROSPACE CHEMOTECHNOLOGY
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