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AssigneeAlliant Techsystems Inc.
InventorsRandall T. Busky, Tod R. Botcher, Joel Sandstrom, Jack Erickson
Estimating the term…
A primer composition that includes stabilized, encapsulated red phosphorus, at least one oxidizer, at least one secondary explosive composition, at least one light metal, and at least one acid resistant binder. The stabilized, encapsulated red phosphorus may include particles of red phosphorus, a metal oxide coating, and a polymer layer. The metal oxide coating may be a coating of aluminum hydroxide, bismuth hydroxide, cadmium hydroxide, cerium hydroxide, chromium hydroxide, germanium hydroxide, magnesium hydroxide, manganese hydroxide, niobium hydroxide, silicon hydroxide, tin hydroxide, titanium hydroxide, zinc hydroxide, zirconium hydroxide, or mixtures thereof. The polymer layer may be a layer of epoxy resin, melamine resin, phenol formaldehyde resin, polyurethane resin, or mixtures thereof. A percussion cap primer that includes the primer composition, a tertiary explosive composition, and a cup is also disclosed, as are ordnance devices including the primer composition.
A primer composition comprising a homogeneous mixture of 25% by weight of a stabilized, encapsulated red phosphorus, 64.8% by weight of potassium nitrate, 5% by weight of pentaerythritol tetranitrate, 5% by weight of aluminum, and 0.2% by weight of gum tragacanth.
The primer composition of claim 11, wherein the at least one oxidizer comprises a light metal nitrate selected from the group consisting of lithium nitrate, beryllium nitrate, sodium nitrate, magnesium nitrate, potassium nitrate, calcium nitrate, rubidium nitrate, strontium nitrate, cesium nitrate, and mixtures thereof.
The primer composition of claim 11, wherein the at least one secondary explosive composition comprises pentaerythritol tetranitrate, cyclotrimethylenetrinitramine, cyclotetramethylene tetranitramine, trinitrotoluene, hexanitrohexaazaisowurtzitane, or mixtures thereof.
The primer composition of claim 11, wherein the at least one light metal comprises magnesium, aluminum, or mixtures thereof.
The primer composition of claim 37, wherein the at least one binder comprises gum arabic, gum tragacanth, gum xanthan, gum turpentine, polyester, polyurethane, polystyrene, styrene-butadine, epoxy resin, isobutylene rubber, or mixtures thereof.
The primer composition of claim 32, wherein the at least one binder comprises from approximately 0.2% by weight to approximately 20% by weight of the total weight of the primer composition.
The primer composition of claim 32, wherein the primer composition comprises a homogeneous mixture of stabilized, encapsulated red phosphorus, pentaerythritol tetranitrate, potassium nitrate, aluminum, and gum tragacanth.
A primer composition comprising a homogeneous mixture of red phosphorus stabilized with a metal oxide and encapsulated with a polymer, at least one oxidizer, at least one secondary explosive composition, and at least one light metal, the red phosphorus comprising from approximately 10% by weight to approximately 30% by weight of a total weight of the primer composition, the at least one oxidizer comprising from approximately 30% by weight to approximately 80% by weight of the total weight of the primer composition, the at least one secondary explosive composition comprising from approximately 1% by weight to approximately 10% by weight of the total weight of the primer composition, and the at least one light metal comprising from approximately 5% by weight to approximately 10% by weight of the total weight of the primer composition.
(canceled)
The primer composition of claim 32, wherein the primer composition consists essentially of a homogeneous mixture of stabilized, encapsulated red phosphorus, potassium nitrate, pentaerythritol tetranitrate, aluminum, and gum tragacanth.
-29. (canceled)
A primer composition comprising a homogeneous mixture of stabilized, encapsulated red phosphorus, at least one oxidizer, at least one light metal, and at least one secondary explosive composition, the stabilized, encapsulated red phosphorus comprising from approximately 20% by weight to approximately 30% by weight of a total weight of the primer composition, the at least one oxidizer comprising from approximately 40% by weight to approximately 70% by weight of the total weight of the primer composition, the at least one light metal comprising from approximately 1% by weight to approximately 10% by weight of the total weight of the primer composition, and the at least one secondary explosive composition comprising from approximately 1% by weight to approximately 10% by weight of the total weight of the primer composition.
(canceled)
A primer composition comprising a homogeneous mixture of stabilized, encapsulated red phosphorus, at least one oxidizer, at least one light metal, and at least one binder, the stabilized, encapsulated red phosphorus comprising from approximately 20% by weight to approximately 30% by weight of a total weight of the primer composition, the at least one oxidizer comprising from approximately 40% by weight to approximately 70% by weight of the total weight of the primer composition, the at least one light metal comprising from approximately 1% by weight to approximately 10% by weight of the total weight of the primer composition, and the at least one binder comprising from approximately 0.2% by weight to approximately 1.0% by weight of the total weight of the primer composition.
Dependencies are inferred from the claim text.