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US 9,650,307 B2Granted
Methods for producing DEMN eutectic
AssigneeOrbital ATK, Inc.
InventorsStephen P. Velarde, Harold E. Johnston
Life of this patent
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Abstract
A method of producing DEMN eutectic comprises reacting a reactant mixture comprising ethylenediamine and diethylenetriamine with aqueous nitric acid to form a reaction mixture comprising diethylentriamine trinitrate and ethylenediamine dinitrate. The reaction mixture is combined with methylnitroguanidine and nitroguanidine to form an aqueous slurry. Water is removed from the aqueous slurry. A method of producing an energetic composition, and a system for producing DEMN eutectic are also described.
Claims17
A method of producing DEMN eutectic, comprising:
- reacting a reactant mixture comprising ethylenediamine and diethylenetriamine with aqueous nitric acid to form a reaction mixture comprising diethylentriamine trinitrate and ethylenediamine dinitrate;
- combining the reaction mixture with methylnitroguanidine and nitroguanidine to form an aqueous slurry;
- and
- removing water from the aqueous slurry.
1 more element
A method producing DEMN eutectic, comprising:
- reacting a reactant mixture comprising ethylenediamine and diethylenetriamine with an aqueous solution comprising from about 60 percent by weight nitric acid to about 75 percent by weight nitric acid at a temperature of from about 10° C. to about 90° C. to form a reaction mixture comprising ethylenediamine dinitrate and diethylentriamine trinitrate and exhibiting a pH within a range of from about 0 to about 7;
- combining the reaction mixture with methylnitroguanidine and nitroguanidine to form an aqueous slurry;
- and
- heating the aqueous slurry at a temperature of from about 50° C. to about 150° C. and under at least one of negative pressure and air sparge to form a eutectic composition comprising ethylenediamine dinitrate, diethylentriamine trinitrate, methylnitroguanidine, nitroguanidine, and from about 0.1 percent by weight water to about 2 percent by weight water.
1 more element
Dependencies are inferred from the claim text.