Abstract: A melt cast explosive containing bis(2,2-dinitropropyl)fumarate or 2,2-diropropyl-4,4-dinitropentanoate and a metal fuel such as aluminum, magnesium, boron, hafnium, zirconium or alloys or mixtures thereof. An inert thermoplastic elastomer diluent may be added to improve the strength of the explosive.

Abstract: A high energy, thermally stable plastic bonded explosive comprising HMX, a lasticizer and a fluoroalkyl acrylate or urethane fluorocarbon binder.

Abstract: A method of melt casting plastic bonded explosives by:A. forming a uniform binder mixture of the following ingredients(1) from 10 to 30 weight percent of a triblock polymer of the formula A-B-A wherein A represents a polystyrene block and B represents an elastomeric midblock which is selected from the group consisting of polybutadiene, polyisoprene, and polyethylenebutylene; and(2) from 70 to 90 weight percent of a low viscosity oil selected from the group consisting of naphthenic, paraffinic, and olefinic oilsby mixing the ingredients under low-shear conditions at a temperature of from 80.degree. C. to 110.degree. C.;B. mixing an energetic filler into the binder mixture under low shear conditions and at a temperature of from 80.degree. C. to 110.degree. C., provided that the viscosity of the mixture does not exceed 20 kilopoise;C. pouring the energetic filler-binder mixture formed in step B into a mold; andD. cooling energetic filler-binder mixture to form a solid explosive composite.

Abstract: An energetic composition useful in transferring detonation through thin cnels in a logic pattern comprises a binder comprising vinyl-terminated polybutadiene-acrylonitrile copolymer crosslinked with a monofunctional unsaturated ester monomer in an amount from about 50 to about 90 percent of the binder weight and a plasticizer selected from the group consisting of dioctyl phthalate, maleate and adipate, isodecyl pelargonate, dibutyl phthalate and maleate in an amount from about 10 to 50 percent of the binder weight, and pentaerythritol tetranitrate in amount from about 76 to 84 percent of the total composition weight. The composition is cured with ionizing radiation in a dose from about 0.6.times.10.sup.6 to 1.2 to 10.sup.6 rads.

Abstract: A glass-fiber reinforced light-weight cementitious product having a density of less than 85 pounds per cubic foot, a high tensile strength and a high compressive strength, when cured, and hence, suitable for structural articles in which such properties are required. The product is formulated from a mixture in which the aggregate comprises substantially equal parts by weight of fly ash cenospheres and silica fume.

Abstract: A cementitious composite material exhibiting a unique combination of high strength, vacuum integrity and thermal properties. Objects made of the material may be cast from mixtures in which a major constituent is a filler which consists of stainless steel particles of particular shapes and sizes. The cast objects are characterized by the absence of a continuous network of interconnected pores and by the presence of a tobermorite phase in the material.

Abstract: Diferrocenyl piperazines represented by the formula: ##STR1## wherein Fc represents a ferrocene radial R represents alkylene radical hng from 1 to 7 carbon atoms, and x and y are 0 or 1 are disclosed as burning rate modifiers for ammonium perchlorate composite propellants. Coating ammonium perchlorate crystals with the differocenyl piperazines significantly decreases migration of the piperazines in the propellant.

Abstract: A novel solid composition and method for generating fluorine and gaseous orine components comprising fluorine rich inorganic oxidizing salts such as tetrafluoro ammonium tetrafluoroborate borofluoride and a high energy fuel selected from the group consisting of metals and metal nitrides together with a complexing agent capable of reacting with and trapping the boron trifluoride combustion by-product.

Abstract: Ferrocenyl thiols of the formula ##STR1## wherein n is an integer of from 2 to 4 are prepared by reacting a compound f the formula ##STR2## with thioacetic acid, ##STR3## at elevated temperatures in the presence of a free radical initiator to produce a thiol ester of the formula ##STR4## and then hydrolyzing the thiol ester to produce the thiol. The thiols are useful as non-migrating burning rate modifiers for unsaturated rubber-based propellants.

Abstract: A ferrocenyl thiol compound is reacted with an unsaturated prepolymer to form a polymeric material suitable for use as a binder in composite propellant.

Abstract: High density solid propellants are prepared by a process which comprises mixing the solid propellant components comprising a perfluorinated polymer, such as high molecular weight polytetrafluorethylene, and an inorganic oxidizer salt, such as NF.sub.4 BF.sub.4, with a dispersion containing a dissolved low molecular weight perfluorinated polymer, a suspended low molecular weight pefluorinated polymer and a suitable solvent, removing the solvent from the mixture, and drying the solids.