Method of producing salts of dinitramidic acid

Details Method of producing salts of dinitramidic acid Method of producing salts of dinitramidic acid

2011-07-19

2011-07-19

Michener, Jennifer K. (Department: 1728)

Chemistry of inorganic compounds

Nitrogen or compound thereof

Oxygen containing

C423S385000, C423S400000, C149S109600, C149S122000, C564S107000, C564S109000, C564S059000, C564S058000, C564S061000

Reexamination Certificate

active

07981393

ABSTRACT:
A method of preparing salt of dinitramidic acid, comprising nitration of an initial compound with a nitrating acid mixture to form dinitramidic acid in a reaction mixture. A positive ion is added to the reaction mixture and forms with the dinitramide ion an ion pair complex which precipitates in the acidic reaction mixture, and the precipitate is separated from the mixture. The remaining spent acid can be reprocessed for recovery of acid for preparation of a new nitrating acid mixture. The preferred positive ion is the guanylurea ion which gives a precipitate of guanylurea dinitramide. The precipitate can be used as starting material for preparation of other dinitramide salts, such as KDN and ADN. The guanylurea ion can be formed in situ in the process by cyanoguanidine being reacted with the reaction mixture.

REFERENCES:
patent: 2884437 (1959-04-01), Roberts
patent: 4559409 (1985-12-01), Seyerl
patent: 5198204 (1993-03-01), Bottaro et al.
patent: 5254324 (1993-10-01), Bottaro et al.
patent: 5316749 (1994-05-01), Schmitt et al.
patent: 5415852 (1995-05-01), Schmitt et al.
patent: 5659080 (1997-08-01), Suzuki et al.
patent: 5976483 (1999-11-01), Langlet et al.
patent: 6117255 (2000-09-01), Blomquist
patent: 6291711 (2001-09-01), Langlet
patent: 6787119 (2004-09-01), Choudary et al.
patent: 1 344 748 (2003-09-01), None
patent: WO 93/16002 (1993-08-01), None
patent: WO 97/06099 (1997-02-01), None
patent: WO 99/46202 (1999-09-01), None
patent: WO 9946202 (1999-09-01), None
U. Bemm et al, “Fox-12, A New Energetic Material with Low Sensitivity for Propellants and Explosives Applications”; Conference Proceedings, NDIA 1998, Insensitive Munitions & Energetic Materials Technology Symposium, San Diego, Nov. 16-19, 1998.

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