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7101955 |
Synthesis of energetic thermoplastic elastomers containing both polyoxirane and polyoxetane blocks
This thermoplastic elastomer is present in a substantially solid state suitable for use as a binder for a propellant, explosive, and/or gas generant of a supplemental restraint system. The...
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7051658 |
Temperature-independent propellant powder
The proposed propellant powder exhibits a temperature-independent burning behavior and high ballistic stability. The production process starts with a perforated bulk powder grain, which is...
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6979022 |
Flexible inflator with co-extruded propellant and moisture barrier
A flexible inflator for an inflation assembly and related gas generating propellant compositions are provided. The flexible inflator includes at least one elongated strand of a propellant...
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6916390 |
Semi-continuous two-component process for producing a composite explosive charge comprising a polyurethane matrix
In the military field of explosive munitions, a semi-continuous process produces a composite explosive charge composing a charged solid polyurethane matrix, the charge of which is pulverulent and...
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6916388 |
Hydrazinium nitroformate based high performance solid propellants
The present invention is directed to a solid propellant for rocket motors, gas generators and comparable devices, comprising a cured composition of hydrazinium nitroformate and an unsaturated...
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6905561 |
Solid rocket propellant
A solid rocket propellant includes a hydroxy-terminated caprolactone ether binder and an oxidizer. The propellant may be disposed of by contacting it with an aqueous solution of 12 N NaOH or 6 N...
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6852182 |
Hydrolyzable prepolymers for explosive and propellant binders
A degradable prepolymer for explosive and propellant compositions having increased hydrolyzability comprising at one —O—CH 2 —O— linkage within the backbone of the prepolymer. The...
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6835255 |
Reduced energy binder for energetic compositions
Improved binders for energetic compositions include high molecular weight polyester polyol binder polymers and energetic plasticizers wherein the plasticizer to polymer ratio is 1.6:1 or less.
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6808572 |
Solid propellant formulations and methods and devices employing the same for the destruction of airborne biological and/or chemical agents
High temperature incendiary (HTI) devices and methods destroy biological and/or chemical agents. Preferably, such HTI devices include dual modal propellant compositions having low bum rate...
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6802533 |
Gas generating material for vehicle occupant protection device
An apparatus ( 10 ) comprises an inflatable vehicle occupant protection device ( 20 ) and a gas generating material ( 16 ) that, when ignited, produces gas to inflate the inflatable vehicle...
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6783613 |
Modified polybutadiene polymers that are both chemically degradable and physically compatible with energetic plasticizers for use in propellant and explosive binders
The present invention is a modified HFPB polymer for use in propellants and explosives that is chemically degradable and also is compatible with commonly used energetic plasticizers. The HFPB...
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6748868 |
Destroying airborne biological and/or chemical agents with solid propellants
High temperature incendiary (HTI) devices and methods destroy biological and/or chemical agents. Preferably, such HTI devices include dual modal propellant compositions having low burn rate...
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6666934 |
Extruded hydroxy terminated polybutadiene gas generating material
A gas generating material ( 52 ) for use in a vehicle occupant protection apparatus ( 10 ) comprises a particulate oxidizer, a hydroxy terminated polybutadiene, a diisocyanate cross-linking agent,...
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6632378 |
Nitrate ester plasticized energetic compositions, method of making and rocket motor assemblies containing the same
A nitrate ester plasticized energetic composition in which the binder is made of, prior to curing, lower alkylene glycol prepolymer blocks end-capped with ethylene glycol monomers and/or oligomers....
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6562161 |
Gas generating compositions for air bag
Gas generating pellets for an air bag system causes the initial inflating speed of the air bag to be increased at a reduced rate to prevent a passenger from being injured due to vigorous inflation...
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6562159 |
Insensitive melt cast explosive compositions containing energetic thermoplastic elastomers
An insensitive melt cast explosive composition obtained by dissolving an energetic copolyurethane thermoplastic elastomer (“ETPE”) in melted trinitrotoluene (“TNT”) is disclosed. The...
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6521063 |
Conductive polymers to improve propellant insensitivity-impact and friction-properties
Tactical missile propellant formulations are inherently sensitive to impact and friction stimuli. The impact and friction insensitivity of some tactical propellant formulations is improved...
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6508894 |
Insensitive propellant formulations containing energetic thermoplastic elastomers
An energetic and recyclable propellant composition, which is capable of withstanding cold temperature, includes an energetic copolyurethane thermoplastic elastomer. The propellant composition can...
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6479614 |
Energetic copolyurethane thermoplastic elastomers
An energetic copolyurethane thermoplastic elastomer (ETPE) is prepared by polymerizing a dihydroxyl terminated telechelic energetic polymer having a functionality of two or less with a diisocyanate...
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6425965 |
Ultra low density explosive composition
An explosive composition is provided which comprises a mixture of a particulate low density agent and a particulate oxidising agent. The particulate low density agent is a synthetic polymeric low...
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6395859 |
Hydrolyzable, energetic thermoplastic elastomers and methods of preparation thereof
The present invention provides energetic thermoplastic elastomers which may be used as binders in propellant, explosive and pyrotechnic applications. The elastomers of the present invention are all...
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6395112 |
Hydrolyzable polymers for explosive and propellant binders
A degradable polymer has an ester component adjacent to a poly(oxyethylene) component in the polymer chain. The hydrophilic nature of the poly(oxyethylene) draws water close to the ester in the...
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6364975 |
Ammonium nitrate propellants
The present invention is directed to an age-stabilized and/or strengthened ammonium nitrate propellant composition wherein the strengthening agent is selected from the group consisting of...
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6362311 |
Polymerization of poly(glycidyl nitrate) from high purity glycidyl nitrate synthesized from glycerol
Glycerol is nitrated with at least one nitrating source in a solvent to form a nitrated glycerol solution containing dinitroglycerin. The nitrated glycerol solution is treated with at least one...
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6361630 |
Cool burning gas generating composition
An apparatus ( 10 ) comprises an inflatable vehicle occupant protection device ( 16 ) and a gas generating composition which when ignited produces gas to inflate the inflatable vehicle occupant...
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6340175 |
Air bag assemblies with foamed energetic igniters
An air bag igniter including a foamed material, and an air bag assembly containing the same are disclosed. The foamed material is formed from a composition including, as ingredients, a...
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6315847 |
Water-free preparation of igniter granules for waterless extrusion processes
This substantially water-free method for preparing high density igniter granules involves uniformly coating fuel and oxidizer particulates dispersed in a non-solvent with a thermoplastic elastomer...
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6258188 |
Solid fuel gas generator for ducted rocket engine
In the development of new minimum signature ducted rocket technology, the U.S. Army MICOM Propulsion Directorate has conducted studies for the development of fuel-rich gas generators for ducted...
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6238500 |
Smokeless gas generating material
An inflator (14) for inflating an inflatable vehicle occupant protection device (12) comprises a pressurized container (20), a gas generating material stored under pressure in the container (20),...
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6237940 |
Inflator for side curtain
An apparatus (10) comprises an inflatable vehicle occupant protection device (14) having internal surfaces (48). The apparatus (10) also comprises an inflator (20) for directing gas (104) into the...
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6228190 |
Extrudable gun propellant composition
The invention provides an extrudable gun propellant having a specific energy content of at least 1100 kJ/kg and typically over 1200 kJ/kg, but with reduced vulnerability to shaped charge attack...
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6217682 |
Energetic oxetane propellants
An energetic solid rocket motor propellant having one or more plateau regions of low operating pressure exponent is disclosed. The propellant is formulated from ingredients including an energetic...
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6206988 |
Hexanitrohexaazaisowurtzitane compositions and explosive compositions containing the same
Hexanitrohexaazaisowurtzitane-containing compositions which comprise hexanitrohexaazaisowurtzitane, polynitropolyacetylhexaazaisowurtzitanes and one or more of oxaisowurtzitane compounds...
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6197135 |
Enhanced energetic composites
The instant invention relates to the use of certain selected neoalkoxy organo-titanates and organo-zirconates in energetic compositions to improve their processability, physical properties, and...
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6190475 |
Castable infrared illuminant compositions
Compositions are provided which, when burned, produce significant levels of infrared radiation, but only limited levels of visible radiation. The basic components of the compositions include a...
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6168677 |
Minimum signature isocyanate cured propellants containing bismuth compounds as ballistic modifiers
Environmentally friendly high performance minimum signature propellants have been demonstrated for use in next generation tactical missile applications. Bismuth salicylate and bismuth citrate have...
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6143103 |
Gas generating material for vehicle occupant protection device
A body of gas generating material for a vehicle occupant protection device comprises about 40 to about 85 weight percent ammonium nitrate. The body of gas generating material also comprises an...
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6136112 |
Smokeless gas generating composition for an inflatable vehicle occupant protection device
An apparatus comprises an inflatable vehicle occupant protection device (20) and a gas generating composition (16). The gas generating composition (16), when ignited, produces gas to inflate the...
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6103029 |
Triazole cross-linked polymers
Polyethers containing pendant azide groups are cured without a catalyst by yclo-addition with diacetylenes to form triazole cross-linked, energetic binders having improved mechanical properties and...
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6086692 |
Advanced designs for high pressure, high performance solid propellant rocket motors
A solid rocket propellant formulation with a burn rate slope of less than about 0.15 ips/psi over a substantial portion of a pressure range of about 1,000 psi to about 7,000 psi and a temperature...
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6066214 |
Solid rocket propellant
A solid propellant composition includes an oxidizer, a fuel and a binder, the oxidizer containing a significant amount of bismuth oxide (Bi 2 O 3 )
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6051087 |
Low smoke rocket motor liner compositions
A formulation is provided which is capable of performing as a liner layer between a rocket motor casing and the propellant grain disposed within the interior of the rocket motor casing. The...
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6042663 |
Propellant compositions with nitrocellulose and a polymer
A rubbery polymer is produced in situ in a cast double base propellant composition.
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6036894 |
Manufacture of propellant compositions and propellant charges
This invention relates to the manufacture of composite propellants containing rubbery binders and particulate non-binder ingredients. The process consists of curing a mixture of a...
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6036794 |
Igniter composition
An igniter composition, and a method of manufacturing the igniter composin, comprised of an oxidizer dispersed in polyurethane resin using anhydrous acetone as a solvent. The polyurethane resin is...
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6024810 |
Castable double base solid rocket propellant containing ballistic modifier pasted in an inert polymer
Castable propellant formulations are provided including reduced toxicity ballistic modifiers that do not adversely increase the sensitivity of the propellant to shock detonation. Failure to...
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5942720 |
Processing and curing aid for composite propellants
The processing and cure of high solids (>85%) composite propellants at ambient temperature and pressure is accomplished by using a small amount (≤0.1 weight percent) of a liquid dialkyl tin...
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5872328 |
Ferrocene derivatives
New ferrocene derivatives with the general formula: ##STR1## are described with X=H or OH Y=H or CH 2 0H Z=(CH2) s --CH 2 OH R=straight-chain or branched alkyl residue with 2 to 6 C...
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5859384 |
Method for preparing propellants by late addition of metallic fuel
There is provided an improved process for preparing a composite propellant comprising (a) a polymeric binder, (b) a bonding agent, (c) a curing agent for the binder, (d) a metallic fuel, and (e) an...
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5854442 |
Gas generator compositions
A composition for generating a non-toxic, non-flammable, odorless gas is disclosed wherein the propellant of said composition is a mixture of about 30% by weight to about 45% by weight KClO 4 with...
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