Ignition compositions for inflator gas generators

Details Ignition compositions for inflator gas generators Ignition compositions for inflator gas generators

C - Chemistry, Metallurgy

06

B

C06B 25/34 (2006.01) C06C 9/00 (2006.01)

Patent

CA 2157300

Autoigniting compositions containing a hydrazine salt of 3-nitro-1, 2, 4- triazole-5-one for the gas generator of a vehicle occupant restraint system result in rapid autoignition at temperatures from approximately 150 ·C (302 ·F) to 220 ·C (428 ·F) thereby allowing the gas generator to operate at lower temperatures to facilitate use of an aluminium canister. The autoignition compositions of the present invention are relatively insensitive to shock or impact, are safe to manufacture and handle, and are advantageously classified as Class B materials.

Des compositions auto-inflammables contenant un sel d'hydrazine de 3-nitro-1, 2, 4-triazote-5-one pour le générateur de gaz d'un système de retenue d'un occupant de véhicule s'enflamment spontanément et rapidement à des températures allant de 150 ~C (302 ~F) environ à 220 ~C (428 ~F), le générateur de gaz fonctionnant ainsi à des températures plus basses, ce qui facilite l'utilisation d'une boîte en aluminium. Les compositions auto-inflammables de la présente invention sont relativement insensibles aux chocs et aux impacts, leur fabrication et leur manipulation sont sans danger, et elles appartiennent, d'une manière avantageuse, à la classe B de composés chimiques.

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