Nontoxic, noncorrosive phosphorus-based primer compositions and an ordnance element including the same

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United States of America Patent

PATENT NO 8540828
SERIAL NO

12194437

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Abstract

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A primer composition that includes red phosphorus having an acid scavenger and a polymer thereon. The primer composition includes at least one other component that is substantially free of lead. The other component is at least one oxidizer, or at least one oxidizer and at least one of at least one secondary explosive composition and at least one energetic binder. The primer composition optionally includes at least one element having an ionic charge to ionic radius ratio of 4 or of 8, such as magnesium, zirconium, aluminum, silicon, titanium, tungsten, alloys thereof, and combinations thereof. The red phosphorus and the at least one oxidizer are present in the primer composition at approximately stoichiometric amounts. An ordnance element including the primer composition is also disclosed.

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Patent Owner(s)

Patent OwnerAddress
NORTHROP GRUMMAN SYSTEMS CORPORATION2980 FAIRVIEW PARK DRIVE FALLS CHURCH VA 22042-4511

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Botcher, Tod R Canyon, US 3 221
Busky, Randall T Independence, US 4 257
Erickson, Jack A Andover, US 11 328
Sandstrom, Joel L Rogers, US 7 280

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