Autoignition compositions for inflator gas generators

Details Autoignition compositions for inflator gas generators Autoignition compositions for inflator gas generators

1997-08-05

1999-12-28

Miller, Edward A.

Explosive and thermic compositions or charges

Containing hydrazine or hydrazine derivative

149 45, 149 61, 149 62, C06B 3100

Patent

active

06007647&

ABSTRACT:
An autoignition composition for the gas generator of a vehicle occupant restraint system that is thermally stable at temperatures up to 110.degree. C., autoignites between 150.degree. C. and 175.degree. C., produces minimal toxic gases upon combustion, provides for a reduced gas inflator size, and can be safely produced using simple processing methods. By mixing an alkali metal nitrite with a nitrogen-based fuel, the resulting gas generants autoignite at or below 175.degree. C. The addition of an alkaline earth metal nitrite or nitrate provides the stability needed to additionally function as a booster and/or a gas generant.

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