Dinitramide salts and method of making same

C - Chemistry – Metallurgy – 01 – B

Patent

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C01B 21/082 (2006.01) C01B 21/20 (2006.01) C06B 25/00 (2006.01) C06B 31/00 (2006.01) C06B 41/00 (2006.01) C07C 243/02 (2006.01) C07C 279/02 (2006.01) C07C 281/16 (2006.01)

Patent

CA 2059654

A N,N-dinitramide salt is disclosed having the formula MN(NO2)2 where M is a cation selected from the class consisting of a metal ion and a nitrogen-containing ion. The dinitramide salt exhibits high temperature stability, high energy density, and an absence of smoke generating halogens, rendering it useful as an oxidizer in rocket fuels. The dinitramide salts are meltable and pumpable oxidizers which may be used in start-stop rocket engines instead of other less stable oxidizers.

On divulgue un sel de N,N-dinitramide de formule MN(NO2)2 où M est un cation choisi parmi la classe formée d'un ion métallique et d'un ion contenant un azote. Le sel de dinitramide présente une stabilité aux températures élevées, une densité énergétique élevée et une absence d'halogènes fumigènes, ce qui le rend utile comme comburant dans les combustibles de roquette. Les sels de dinitramide sont des comburants fusibles et pompables qui peuvent être utilisés dans un moteur fusée de type départ-arrêt (start-stop) à la place d'autres comburants moins stables.

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