Gas generant compositions

Details Gas generant compositions Gas generant compositions

C - Chemistry, Metallurgy

06

D

C06D 5/06 (2006.01) B60R 21/26 (2006.01) C06B 23/00 (2006.01)

Patent

CA 2135977

A gas generant composition contains as a fuel a mixture of a major portion of a triazole or tetrazole and a minor portion of a water soluble fuel; and an oxidizer component, at least 20 wt% of said oxidizer component being a transition metal oxide, such as CuO. Generant compositions in accordance with the invention autoignite in a range around 170°C, providing autoignition of the generant without the need for separate autoignition devices. Also, the generant compositions are useful as autoignition pyrotechnic in autoignition devices.

Cette composition gazogène contient un combustible constitué d'un mélange comprenant une portion majeure d'un triazole ou d'un tétrazole et une portion mineure d'un combustible hydrosoluble, et un comburant dont au moins 20 % du poids est un oxyde d'un métal de transition, comme le CuO. Comme le décrit l'invention, ces compositions gazogènes s'enflamment spontanément à une température d'environ 170.degrés.C; ainsi, aucun dispositif distinct d'inflammation de la composition gazogène n'est nécessaire. De plus, ces compositions gazogènes peuvent être utilisées comme matières pyrotechniques d'auto-inflammation dans les dispositifs d'auto-inflammation.

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