Nonazide gas generant compositions

Details Nonazide gas generant compositions Nonazide gas generant compositions

C - Chemistry, Metallurgy

06

D

C06D 5/06 (2006.01)

Patent

CA 2269205

High nitrogen nonazide gas compositions, useful in inflating passenger restraint gas inflator bags, comprise an amine salt of triazole or tetrazole fuel, and phase stabilized ammonium nitrate (PSAN) as an oxidizer. The combination of the amine azole salt and phase stabilized ammonium nitrate results in gas generants that are relatively more stable and less explosive, have improved ignitability and burn rates, and generate more gas and less solids than known gas generant compositions.

L'invention concerne des compositions générant un gaz non azide à teneur élevé en azote, utiles pour gonfler des sacs de sécurité gonflables au gaz pour passagers. Lesdites compositions comprennent un sel aminé de combustible au triazole ou tétrazole, et un nitrate d'ammonium à phase stabilisée en tant qu'oxydant. La combinaison du sel d'azole aminé et du nitrate d'ammonium stabilisé permet de produire des agents générant du gaz qui sont relativement plus stables et moins explosifs, présentent une meilleure inflammabilité et un taux de combustion plus élevé, et qui génèrent plus de gaz et moins de solides que les compositions d'agent générant du gaz connus.

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