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US 9,840,450 B2Granted
Energetic high pressure polymorph of croconic acid and high energy compositions formed therefrom
AssigneeThe United States of America as represented by the Secretary of the Army
InventorsTimothy A Jenkins, Jennifer A. M. Ciezak-Jenkins, Jennifer L Gottfried, Rose A Pesce-Rodriguez
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Abstract
Provided is a high pressure polymorph of croconic acid. The high pressure polymorph of croconic acid has an unexpectedly high energy release and is suitable for use in detonable compositions. The high pressure polymorph of croconic acid is recoverable to ambient conditions and exhibits only a modest increase in density but a greatly improved energy release.
Claims6
A detonable composition comprising:
- a high pressure polymorph of croconic acid with a laser shock velocity in excess of 800 meters per second;
- excluding a binder;
- and
- further comprising a secondary high energy material.
1 more element
A process of forming a high pressure polymorph of croconic acid comprising:
- subjection croconic acid to a pressure of 5 giga Pascals or greater for a compression time.
Dependencies are inferred from the claim text.