Thixotropic monopropellant containing inorganic phosphides or phosphide alloys
AssigneeThiokol Corporation
InventorsBernard Marlowe, Stanley Tannenbaum
Life of this patent
Estimating the term…
Abstract
1. Novel thixotropic, monopropellant compositions comprising a mixture of a solid fuel selected from the group consisting of inorganic phosphides, phosphide alloys and mixtures of these inorganic phosphides and phosphide alloys, a liquid oxidizer selected from the group consisting of nitric acid, nitric acid enriched with NO.sub.2, nitric acid enriched with NO.sub.2 and HF, nitrogen tetroxide, hydrogen peroxide, perchloryl fluoride, tetrafluorohydrazine, tetranitro methane and perchloric acid, and a thixotropic agent selected from the group consisting of particulated carbon and silica.
Claims17
Novel thixotropic, monopropellant compositions comprising a mixture of a solid fuel selected from the group consisting of inorganic phosphides, phosphide alloys and mixtures of these inorganic phosphides and phosphide alloys, a liquid oxidizer selected from the group consisting of nitric acid, nitric acid enriched with NO.sub.2, nitric acid enriched with NO.sub.2 and HF, nitrogen tetroxide, hydrogen peroxide, perchloryl fluoride, tetrafluorohydrazine, tetranitro methane and perchloric acid, and a thixotropic agent selected from the group consisting of particulated carbon and silica.
A thixotropic monopropellant composition comprising a mixture of from about 15-50 parts by weight of solid fuel selected from the group of inorganic phosphides consisting of beryllium phosphide, aluminum phosphide, boron phosphide, titanium phosphide, lithium phosphide, nickel phosphide and mixtures of these phosphides, from about 50-95 parts by weight of a liquid oxidizer selected from the group consisting of nitric acid, nitric acid enriched with NO.sub.2, nitric acid enriched with NO.sub.2 and HF N.sub.2 O.sub.4, concentrated H.sub.2 O.sub.2, C10.sub.3 F, concentrated HClO.sub.4, N.sub.2 F.sub.4, and C(NO.sub.2).sub.4 and up to about 10 parts by weight of a thixotroping agent selected from the group consisting of particulated carbon and silica.
A thixotropic monopropellant composition comprising a mixture of:
- from about 15-50 parts by weight of crystalline boron phosphide
- from about 50-95 parts by weight of liquid oxidizers selected from the group consisting of concentrated H.sub.2 O.sub.2, N.sub.2 O.sub.4 and ClO.sub.3 F, and up to 10 parts by weight of thioxtroping agent selected from the group consisting of particulated carbon and silica.
A thixotropic monopropellant composition comprising a mixture of:
- from about 15-50 parts by weight of aluminum phosphide
- from about 50-95 parts by weight of liquid oxidizer selected from the group consisting of concentrated H.sub.2 O.sub.2, N.sub.2 O.sub.4, and ClO.sub.3 F, and up to 10 parts by weight of thixotroping agent selected from the group consisting of particulated carbon and silica.
A thixotropic monopropellant composition comprising a mixture of:
- from about 15-50 parts by weight of beryllium phosphide
- from about 50-95 parts by weight of liquid oxidizer selected from the group consisting of water, concentrated H.sub.2 O.sub.2, N.sub.2 O.sub.4, and ClO.sub.3 F, and up to 10 parts by weight of thixotroping agent selected from the group consisting of particulated carbon and silica.
A thixotropic monopropellant composition comprising a mixture of:
- from about 15-50 parts by weight of titanium phosphide
- from about 50-95 parts by weight of liquid oxidizer selected from the group consisting of water, concentrated H.sub.2 O.sub.2, N.sub.2 O.sub.4, ClO.sub.3 F and water, and up to 10 parts by weight of thixotroping agent selected from the group consisting of particulated carbon and silica.
A thixotropic monopropellant composition comprising a mixture of:
- from about 15-50 parts by weight of lithium phosphide
- from about 50-95 parts by weight of liquid oxidizer selected from the group consisting of water, concentrated H.sub.2 O.sub.2, N.sub.2 O.sub.4, ClO.sub.3 F and water, and up to 10 parts by weight of thixotroping agent selected from the group consisting of particulated carbon and silica.
A thixotropic monopropellant composition comprising a mixture of:
- from about 15-50 parts by weight of nickel phosphide
- from about 50-95 parts by weight of liquid oxidizer selected from the group consisting of water, concentrated H.sub.2 O.sub.2, N.sub.2 O.sub.4, ClO.sub.3 F and water, and up to 10 parts by weight of thixotroping agent selected from the group consisting of particulated carbon and silica.
Dependencies are inferred from the claim text.