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Gas generating agent for high burning rate micro gas generator and preparation method thereof

A technology of gas generator and gas generating agent, which is applied to offensive equipment, explosives, inorganic oxyhalide salt explosive compositions, etc., can solve the problems of slow burning speed and low gas production of MGG, and achieve increased gas production and good flame sensitivity. , the effect of increasing the burning rate

Inactive Publication Date: 2021-10-01
上海集瀛汽车安全技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The invention provides a gas generating agent for a high-burning-rate micro-gas generator, which solves the problems of slow burning rate and low gas production in MGG in the prior art

Method used

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  • Gas generating agent for high burning rate micro gas generator and preparation method thereof
  • Gas generating agent for high burning rate micro gas generator and preparation method thereof
  • Gas generating agent for high burning rate micro gas generator and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] 1. Preparation of ammonium nitrate (AN) agent: AN raw materials are inspected and processed, crushed to 20-30 mesh by a crusher, dried and put into storage;

[0030] 2. Preparation of potassium perchlorate type primer: 50g of the treated potassium perchlorate and lead cyanide raw materials are each taken, poured into a stainless steel basin, and slowly added with a special concentration of nitrolacquer binder solution of 20% shellac 40ml wet mixed for 30min~40min, dried for 1 hour and then granulated, passed through 40 mesh and 20 mesh standard sieves respectively, and the 40 mesh sieve and the 20 mesh sieve were taken, dried and put into storage;

[0031] 3. Use AN and potassium perchlorate type primary explosives as the first and second agents for MGG respectively. The quality of ammonium nitrate (AN) type (AN) agent and potassium perchlorate type primary explosives can be determined by the volume ratio of the agent particles, the total weight ratio and the burning rat...

Embodiment 2-3

[0033] The preparation method is the same as in Example 1, and the usage ratio of various materials is shown in Table 1.

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Abstract

The invention discloses a gas generating agent for a high-burning-rate micro gas generator and a preparation method thereof, which comprises the following components in terms of mass percentage: 68-89% of ammonium nitrate; 5-15% of potassium perchlorate; 5% of lead cyanide -15%; 1-2% of the nitro lacquer solution of adhesive shellac, which solves the problems of slow burning speed and low gas production in MGG in the prior art.

Description

technical field [0001] The invention relates to the technical field of automobile safety devices, in particular to a gas generating agent for a high-burning-rate micro-gas generator and a preparation method thereof. Background technique [0002] Micro gas generator MGG is a pyrotechnic device that generates high-temperature and high-pressure gas rapidly after activation, and realizes seat belt pre-tightening, hood pop-up, electric vehicle fuse disconnection and other functions. Its core is the agent filled inside. [0003] With the development of the automobile industry, the development and production of miniature, safe, reliable and environmentally friendly MGG is a realistic demand and a future development trend, and gas generating agents play a decisive role in its performance, design and promotion. The existing MGG has the problems of slow burning speed and low gas production; therefore, it is very important to develop a gas generating agent for MGG that is safer, cheape...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C06B31/28C06B29/08C06B29/16
CPCC06B29/08C06B29/16C06B31/28
Inventor 易聪鹏魏煜姚宇坤范诚诚陈智王振王根武杨莉魏亚宁魏德贤魏博
Owner 上海集瀛汽车安全技术有限公司
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