AUTOIGNITION COMPOSITIONS FOR INFLATOR GAS GENERATORS

An autoignition composition for the gas generator of a vehicle occupant restraint system that is thermally stable at temperatures up to 110 DEG C, autoignites between 150 DEG C and 175 DEG C, produces minimal toxic gases upon combustion, provides for a reduced gas inflator size, and can be safely pr...

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Bibliographische Detailangaben
Hauptverfasser:	BURNS, SEAN, P, MOQUIN, LARRY, A
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CHEMICAL LIGHTERS CHEMISTRY DETONATING OR PRIMING DEVICES EXPLOSIVES EXPLOSIVES OR THERMIC COMPOSITIONS FUSES GAS-ATTACK COMPOSITIONS GENERATION OF GAS FOR BLASTING OR PROPULSION (CHEMICAL PART) MANUFACTURE THEREOF MATCHES MEANS FOR GENERATING SMOKE OR MIST METALLURGY PYROPHORIC COMPOSITIONS USE OF SINGLE SUBSTANCES AS EXPLOSIVES
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Beschreibung
Zusammenfassung:	An autoignition composition for the gas generator of a vehicle occupant restraint system that is thermally stable at temperatures up to 110 DEG C, autoignites between 150 DEG C and 175 DEG 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 DEG 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.