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US 5,067,996 AGranted
Plastic bonded explosives which exhibit mild cook-off and bullet impact insensitive properties
AssigneeThe United States of America as represented by the Secretary of the Navy
InventorsNorman H. Lundstrom, Russell Reed, Jr.
Life of this patent
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Abstract
Castable and elastomeric explosive compositions containing 82-85% HMX in ypropylene-polyethylene type polyurethane binder systems comprising at least 20% 3-5 .mu.HMX and an endothermically pyrolyzable binder.
Claims6
An explosive composition comprising:
- 82 to 85 weight percent particles of cyclic nitramine explosive of which at least 20 weight percent of said particles are 3-5.mu. in diameter;
- and
- 15 to 18 weight percent polyurethane elastomer formed from ethylene oxide capped polypropylene glycol.
An explosive composition consisting essentially of:
- 82 to 85 percent particles of cyclic nitramine explosive of which at least 20 weight percent of said particles are 3-5.mu. in diameter;
- and
- 15 to 18 weight percent polyurethane elastomer formed from ethylene oxide capped polypropylene glycol.
Dependencies are inferred from the claim text.