Low solids gas generant having a low flame temperature
First Claim
1. A low-solids gas generating composition, comprising a mixture of a basic copper nitrate oxidizer, a fuel selected for the group consisting of 5-nitro-uracil, guanidine 5-nitro-uracil salt, ammonium 5-nitro-uracil salt, aminoguanidine 5-nitro-uracil salt, hydrazine 5-nitro-uracil salt, triamino 5-nitro-uracil salt, guanidine 5-nitro-barbituric acid salt, ammonium 5-nitro-barbituric acid salt, hydrazine 5-nitro-barbituric acid salt, aminoguanidine 5-nitro-barbituric acid salt, triaminoguanidine 5-nitro-barbituric acid salt, and mixtures thereof, and sub-micron fumed silica, wherein the oxidizer-fuel mixture is within about 4 percent of stoichiometric balance, and produces no more than about 0.06 cubic centimeters of solids per gram of gas generating composition on combustion.
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Abstract
A low-solids gas generating composition and a method of generating a gas with low solids by preparing and combusting the low-solids gas generating composition. The compositions of the invention include a mixture of a basic copper nitrate oxidizer and a fuel selected for the group consisting of 5-nitro-uracil, guanidine 5-nitro-uracil salt, ammonium 5-nitro-uracil salt, aminoguanidine 5-nitro-uracil salt, hydrazine 5-nitro-uracil salt, triamino 5-nitro-uracil salt, guanidine 5-nitro-barbituric acid salt, ammonium 5-nitro-barbituric acid salt, hydrazine 5-nitro-barbituric acid salt, aminoguanidine 5-nitro-barbituric acid salt, triaminoguanidine 5-nitro-barbituric acid salt, and mixtures thereof, wherein the oxidizer-fuel mixture is within about 4 percent of stoichiometric balance, and produces no more than about 0.06 cubic centimeters of solids per gram of gas generating composition on combustion. The compositions of the invention may further include at least one of cupric oxalate hemi-hydrate, sub-micron fumed silica, and graphite.
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Citations
36 Claims
- 1. A low-solids gas generating composition, comprising a mixture of a basic copper nitrate oxidizer, a fuel selected for the group consisting of 5-nitro-uracil, guanidine 5-nitro-uracil salt, ammonium 5-nitro-uracil salt, aminoguanidine 5-nitro-uracil salt, hydrazine 5-nitro-uracil salt, triamino 5-nitro-uracil salt, guanidine 5-nitro-barbituric acid salt, ammonium 5-nitro-barbituric acid salt, hydrazine 5-nitro-barbituric acid salt, aminoguanidine 5-nitro-barbituric acid salt, triaminoguanidine 5-nitro-barbituric acid salt, and mixtures thereof, and sub-micron fumed silica, wherein the oxidizer-fuel mixture is within about 4 percent of stoichiometric balance, and produces no more than about 0.06 cubic centimeters of solids per gram of gas generating composition on combustion.
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35. A method of generating a gas with low-solids, the method comprising:
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preparing a mixture comprising a basic copper nitrate oxidizer, a fuel selected for the group consisting of 5-nitro-uracil, guanidine 5-nitro-uracil salt, ammonium 5-nitro-uracil salt, aminoguanidine 5-nitro-uracil salt, hydrazine 5-nitro-uracil salt, triamino 5-nitro-uracil salt, guanidine 5-nitro-barbituric acid salt, ammonium 5-nitro-barbituric acid salt, hydrazine 5-nitro-barbituric acid salt, aminoguanidine 5-nitro-barbituric acid salt, triaminoguanidine 5-nitro-barbituric acid salt, and mixtures thereof, and sub-micron fumed silica wherein the oxidizer-fuel mixture is within about 4 percent of stoichiometric balance;
combusting the mixture, thereby producing a gas and no more than about 0.06 cubic centimeters of solids per gram of gas generating composition on combustion. - View Dependent Claims (36)
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Specification