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Binder matrix for gas generants and related compositions and methods

A technology for gas generation and adhesives, applied in the field of adhesive fillers, can solve the problems of increasing production costs, increasing the operation steps of gas generating compositions, etc.

Inactive Publication Date: 2006-04-19
AUTOLIV ASP INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this type of treatment increases the number of operating steps required to prepare the gas generating composition, thereby increasing the cost of manufacture

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0036] components

[0037] The softening temperature of the composition exceeds 150°C. Thermogravimetric analysis of the present composition showed no loss of dimethyl malonate from the composition at temperatures below 150°C. Bottle aging of the composition after 400 hours at 107°C showed that the extrudates did not stick together.

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PUM

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Abstract

A binder matrix suitable for use in a gas generant composition, a gas generant composition including the binder matrix, and a related method of igniting such a gas generant composition are provided. The binder matrix includes a non-energetic binder material and dimethyl malonate non-energetic plasticizer and has a softening temperature above at least about 125 DEG C. A gas generant composition including the binder matrix includes a non-energetic binder material such as cellulose acetate, dimethyl malonate non-energetic plasticizer, a fuel such as a nitramine fuel such as RDX, HMX or a combination thereof, and a stabilizer such as N-methyl-p-nitroaniline.

Description

Background of the invention [0001] The present invention relates generally to an adhesive filler of a gas generating composition for inflating an inflatable device, such as an airbag in an inflatable restraint system used to protect an automobile occupant. In particular, the present invention relates to a binder filler comprising a non-energetic binder and a non-energetic plasticizer having a softening temperature of at least greater than about 125°C. [0002] It is known to protect passengers by using air cushions or airbags, such as "airbags", which are inflated or inflated when a car suddenly decelerates, such as in a collision. Such airbag restraint systems generally include: one or more air cushions, packaged in the uninflated and folded condition to minimize space requirements; one or more crash sensors mounted on the frame or body to monitor If the car suddenly decelerates; an activation system triggered electronically by crash sensors; an inflator that generates or su...

Claims

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Application Information

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IPC IPC(8): C06B45/10C06B25/34C06D5/06
CPCC06B45/10C06B25/34C06D5/06
Inventor R·D·泰勒G·B·黑斯G·L·史密斯
Owner AUTOLIV ASP INC
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