Gas generant compositions containing amine nitrates plus...

C - Chemistry – Metallurgy – 06 – D

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C06D 5/06 (2006.01) B60R 21/26 (2006.01) C06B 31/00 (2006.01)

Patent

CA 2199338

A gas generant composition comprises between about 30 and about 85 wt.% of A) fuel, and between about 15 and about 70 wt% of B) oxidizer based on total weight of A) plus B). At least about 60 wt%, up to 100 wt% of the fuel A) comprises an nitrate salt of a polyamine of the general formula selected from the group consisting of: (I) ZHN-CO-NHZ, (II) (see fig.I), (III) ZHN-CO-NH-CO-NHZ, wherein in formulae (I) - (III) the Zs are the same or different and are selected from H and NH2, (IV) C2-C3-alkyl diamine, and mixtures thereof. At least about 60 wt%, up to 100 wt% of the oxidizer B) comprises basic copper(II) nitrate, i.e. Cu(NO3)2~3Cu(OH)2 and/or cobalt(III)triammine trinitrate, i.e., Co(NH3)3~(NO3)3.

Composition gazogène comprenant entre environ 30 et environ 85 % en poids de combustible (A) et entre environ 15 et environ 70 % en poids d'un comburant (B), par rapport au poids total de A plus B. Au moins environ 60 % en poids, jusqu'à 100 % en poids, du combustible A comprend un nitrate d'une polyamine de formule générale choisie dans un groupe constitué de : (I) ZHN-CO-NHZ, (II) (voir fig.I), (III) ZHN-CO-NH-CO-NHZ, où, dans la formule (I) - (III), les Z sont identiques ou différents et sont choisis parmi H et NH2, (IV) une diamine d'alkyle en C2-C3, et des mélanges de ces dernières. Au moins environ 60 % en poids, jusqu'à 100 % en poids, du comburant B comprend du nitrate de cuivre (II) basique, c.-à-d., Cu(NO3)2~3Cu(OH)2 et/ou du trinitrate de cobalt (III)triamine, c.-à-d., Co(NH3)3~(NO3)3.

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