Abstract: The present disclosure relates to a high-density rocket propellant and associated recoilless launching systems and methods with tungsten powder added providing substantial mass to the propellant for additional impulse, absorption of sound, optimization of back blast and carry weight, and the like. In an exemplary embodiment, the high-density rocket propellant includes tungsten mass percentages of between about 70%-about 80%, equivalent to about 17%-about 26% by volume.

Abstract: The invention relates to gas generating compositions for use in safety devices for vehicles. In particular, the invention relates to said compositions based on guanidine nitrate used in pedestrian protection devices. The composition substantially comprises 75 to 98% by weight of guanidine nitrate as fuel and 2 to 25% by weight of a burn accelerator selected from the group of the transition metal compounds, the metal nitrates, metal chlorates, metal perchlorates, ammonium perchlorate and mixtures thereof, wherein the transition metal compounds are selected from the compounds of the transition metals Ti, Cr, Mn, Fe, Cu, Zn, Zr and Mo and wherein the gas generating composition exhibits a burn rate of from 3 to 17 mm/s at 20 MPa.

Abstract: The main subject of the present invention is a solid pyrotechnic gas generator compound, the composition of which contains, expressed in weight percentages: from 60 to 70% of guanidine nitrate, from 26 to 33%, advantageously 26 to 30%, of potassium perchlorate, from 2.5 to 6% of at least one combustion modifier chosen from transition metal oxides, the precursors of such oxides and mixtures thereof, from 0 to 6% of at least one additive, and does not contain an explosive ingredient. Such a compound is particularly effective for the inflation of side airbags.

Abstract: Alkali metal perchlorate-containing gas generant compositions which, upon combustion, produce or result in an improved effluent and related methods for generating an inflation gas for use in an inflatable restraint system are provided. Such alkali metal perchlorate-containing gas generant compositions include at least one alkali metal perchlorate present with a mean particle size in excess of 100 microns. Such alkali metal perchlorate-containing gas generant compositions also include or contain a suitable non-azide, organic, nitrogen-containing fuel and at least one copper-containing compound selected from the group consisting of basic copper nitrate, cupric oxide, copper diammine dinitrate-ammonium nitrate mixture wherein ammonium nitrate is present in the mixture in a range of about 3 to about 90 weight percent, copper diammine bitetrazole, a copper-nitrate complex resulting from reaction of 5-aminotetrazole with basic copper nitrate and combinations thereof.

Abstract: A firing mixture which contains explosives, oxidizing and reducing agents is characterized in that it contains one or several explosives which can be fired by laser light. Also disclosed is a process for producing the same and its use.

Abstract: The present invention provides a hybrid inflator including: a pressurized gas and a solid gas generating agent that generates a combustion gas as a gas source, the solid gas generating agent including at least an oxidizing agent and a binder, the pressurized gas including 15 mol % or more of oxygen.

Abstract: A method of forming 2-nitroimino-5-nitrohexahydro-1,3,5-triazine is presented. The method contains the steps of mixing nitroguanidine, formaldehyde, tert-butyl amine, and water to form an aqueous-based mixture containing an intermediate reaction product; separating the intermediate reaction product from the aqueous-based mixture by filtering out the suspended intermediate reaction product; and mixing the intermediate reaction product within a multi-acid solution containing sulfuric acid and nitric acid. Ammonium chloride is then added, thereby forming 2-nitroimino-5-nitrohexahydro-1,3,5-triazine. A gas generating system 200 containing a gas generant formed in accordance with the present invention is also contemplated.

Abstract: Disclosed is a gas generant composition for a gas actuator used for activating a safety device, which contains (A) a nitrogen-containing organic compound, (B) a metal nitrate and/or a perchlorate, (C) a water-soluble polymer binder, and (D) a magnetic material. When compared with the conventional gas generant compositions, this gas generant composition is excellent in combustibility under low pressure conditions and reduced in CO gas generation during combustion. In this gas generant composition, (D) the magnetic material is preferably composed of a magnetic iron oxide.

Abstract: A nitrocellulose-free, gas-generating composition for use in vehicle occupant restraint systems, in particular in a belt tensioner gas generator, substantially consists of at least one nitrogen-containing organic fuel in a proportion of 55 to 70% by weight, an inorganic oxidator in a proportion of 30 to 45% by weight, at least one combustion moderator in a proportion of up to 10% by weight and up to 5% by weight conventional adjuvants and additives, each in relation to the overall weight of the composition. The composition has a pressure exponent of less than 0.35 and a combustion rate at 200 bar of at least 40 mm/s.

Abstract: A gas generating composition which contains a nitrogenous organic compound as a fuel component and generates, at a high gasification rate, a clean gas harmless to the human body. The composition of the present invention comprises a nitrogenous organic compound as a fuel component and ammonium perchlorate and the nitrate of an alkaline metal or alkaline earth metal as oxidizing agents, wherein where a quantity of nitrate required solely for forming an oxide of alkaline metal or alkaline earth metal that can stoichiometrically neutralize hydrogen chloride generated from ammonium perchlorate is taken as 1, a quantity of nitrate of said alkaline metal or alkaline earth metal exceeds 0.9.

Abstract: 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 protection device (16). The gas generating composition comprises a non-azide nitrogen containing organic fuel, an inorganic salt oxidizer, and a metal organic coolant selected from the group consisting of alkali metal formates, alkaline earth metal formates, alkali metal oxalates, and alkaline earth metal oxalates. The amount of metal organic coolant in the gas generating composition is a cooling amount.

Abstract: A gas generating composition comprising ammonium nitrate and a non-toxic metal oxide which reduces the pressure exponent and enables the composition to sustain combustion at or near atmospheric pressure, thereby improving combustion efficiency. The composition is useful for various purposes, such as inflating a vehicle occupant restraint, i.e., an air bag for an automotive vehicle or aircraft, as well as aircraft escape chutes or the like.

Abstract: The present invention is directed to a fire suppression composition, comprising a propellant comprising a fuel and an oxidizer, said propellant capable of generating inert gas; and a fire suppression additive selected from the group consisting of iron-containing compounds, non-halide potassium salts, and combinations thereof. Useful iron-containing compounds include ferric oxide, ferric carbonate, ferric oxalate, and iron cyanide dyes. Useful potassium salts include potassium acetate, potassium acetylacetonate, potassium bicarbonate, and potassium carbonate. The invention is also directed to a fire suppression apparatus that utilizes the above fire suppression composition.

Abstract: A gas generating composition comprising ammonium nitrate and a non-toxic metal oxide which reduces the pressure exponent and enables the composition to sustain combustion at or near atmospheric pressure, thereby improving combustion efficiency. The composition is useful for various purposes, such as inflating a vehicle occupant restraint, i.e., an air bag for an automotive vehicle or aircraft, as well as aircraft escape chutes or the like.

Abstract: The present invention relates to an azide-free gas-producing composition, in particular for use in safety devices for motor vehicles, comprising or consisting essentially ofa fuel consisting of from 20 to 50% by weight of guanidine nitrate and from 0 to 20% by weight of cyanuric acid, isocyanuric acid, cyamelide and/or melamine;from 45 to 80% by weight of an oxidant, wherein the oxidant is selected from the group consisting of copper oxide (CuO) and CUO together with potassium perchlorate and/or potassium chlorate, andfrom 0 to 5% by weight of processing aids.

Abstract: The combination of guanidine nitrate (GN), aminoguanidine nitrate (AGN) and potassium perchlorate (KP) in defined proportions serves as an effective gas generative composition that displays enhanced burning rate performance at 2000 and 4000 psi. Through the addition thereto of small amounts of potassium nitrate (KN) the burning rate and pressure component of the composition is further improved and through the addition of polyvinyl alcohol (PVA) both greater dimensional strength and superior stability are provided.

Abstract: Nonazide gas generant compositions, useful for inflating passenger restraint gas inflator bags, comprise a multimetallic coordination complex oxidizer selected from coordination complexes comprised of anionic nitro and nitrito ligands coordinated with a transitional metal template, and a cationic component comprised of two or more different metals. The gas generant compositions generate relatively more gas and are significantly less toxic than known azide gas generant compositions, and furthermore, generate solids that are readily filterable.

Abstract: A low-solids gas generating composition, comprising a mixture of a fuel selected for the group consisting of guanidine nitrate, nitroguanidine, cellulose, cellulose acetate, hexamine, and mixtures thereof, and an oxidizer selected from the group consisting of ceric ammonium nitrate, lithium nitrate, lithium perchlorate, sodium perchlorate, phase stabilized ammonium nitrate, a combination of ammonium nitrate with potassium nitrate, potassium perchlorate, or mixtures thereof, such that the combination is a solid solution, a mixture of ammonium perchlorate and at least one alkali metal salt, and mixtures thereof, where the fuel is not nitroguanidine when the oxidizer includes ammonium nitrate. The combination of ammonium nitrate with other salts in solid solution is intended to phase stabilize the ammonium nitrate. The oxidizer-fuel mixture is within about 4 percent of stoichiometric balance.

Abstract: A gas generant charge comprises a heterogeneous mixture of between about 80 and about 95 wt % of a first gas generant composition 1) and between about 5 and about 20 wt % of a second gas generant composition 2), based on the total weight of 1) plus 2). The first gas generant composition 1) comprises between about 20 and about 40 wt % fuel A) and between about 20 and about 60 wt % oxidizer B). Between about 50 and about 85 wt % of the fuel A) is a triazole or tetrazole compound A.sup.1), and between about 15 and about 50 wt % of the fuel is, a water-soluble fuel A.sup.2). At least about 20 wt % of the oxidizer B), up to 100%, a transition metal oxide B.sup.1); balance of the oxidizer is selected from the group B.sup.2) consisting of alkali and/or alkaline earth metal nitrates, chlorates or perchlorates.

Abstract: There is provided a gas generating composition consisting essentially of a mixture of nitroguanidine, phase stabilized ammonium nitrate and an elastomeric binder. When the ammonium nitrate is phase stabilized with from about 7% to about 20%, by weight, of a potassium salt, the mixture is structurally and volumetrically stable over typical automotive operating temperatures and has a melting temperature in excess of 100.degree. C. The mixture generates large volumes of nitrogen and carbon dioxide when ignited with minimal generation of solids or toxic gases and is particularly useful as an inflating medium for automobile airbags.

Abstract: An electronic delay igniter including a firing capacitor (102) for storing energy required for firing by applying a voltage from an external power supply, an electronic timer unit (206) provided with a solid state oscillator driven by the energy stored in the firing capacitor (102) to output an output signal after a predetermined delay time, a switching unit (104) for receiving the output signal to transmit the firing energy to an ignition unit (107), and the ignition unit (107) having a ignition charge which ignites on receiving the firing energy, a voltage from the external power supply has a voltage application region where the electronic timer (206) is operated to operate the switching unit (104), but the ignition charge does not ignite even when the energy from the firing capacitor (102) is received.

Abstract: There is provided a gas generating composition consisting essentially of a mixture of nitroguanidine and phase stabilized ammonium nitrate. When the ammonium nitrate is phase stabilized with from about 7% to about 20%, by weight, of a potassium salt, the mixture is structurally and volumetrically stable over typical automotive operating temperatures and has a melting temperature in excess of 100.degree. C. The mixture generates large volumes of nitrogen and carbon dioxide when ignited with minimal generation of solids or toxic gases and is particularly useful as an inflating medium for automobile airbags.

Abstract: Stabilized munitions are provided which comprise ammonium perchlorate and which have been plasticized with a NENA (nitratoethylnitramine) compound. In order to stabilize this system, Lewis base compounds of specified formula are included as part of the munition. Preferred stabilizers include urea, acetamide or nitroguanidine. The stabilized munitions, and in particular, propellants provide improved safety and/or energetic properties over current munition formulations.

Abstract: A non-electric low energy fuse comprises plastics tubing within which there is provided a core loading of mixed particles of a metal or quasi metal fuel and a secondary high explosive, wherein the core loading additionally contains up to 50% (w/w with respect to the total weight of the core loading) of a particulate solid oxygen-releasing agent effective to enhance the oil resistance of the fuse.

Abstract: An insensitive high explosive is obtained by using a dicyandiamide (DCDA), ammonium nitrate (AN), guanidine nitrate (GN), ethylene diamine dinitrate (EDDN) eutectic melt binder in combination with ammonium perchlorate (AP) oxidizer, fine RDX (1 .mu.m to 10 .mu.m particle size), and aluminum metal as a fuel. The fine RDX particles improve performance, boosterability, and sensitivity. The inclusion of AP greatly improves air blast by adding oxygen to the reaction and insuring complete combustion of the ingredients. The aluminum extends the pressure pulse. The ratio of materials is formulated to obtain the lowest known processing temperature.

Abstract: Autoigniting compositions containing a hydrazine salt of 3-nitro-1,2,4-triazole-5-one for the gas generator of a vehicle occupant restraint system result in rapid autoignition at temperatures from approximately 150.degree. C. (302.degree. F.) to 220.degree. C. (428.degree. F.) thereby allowing the gas generator to operate at lower temperatures to facilitate use of an aluminum canister. The autoignition compositions of the present invention are relatively insensitive to shock or impact, are safe to manufacture and handle, and are advantageously classified as Class B materials.

Abstract: An autoigniting composition for the gas generator of a vehicle occupant restraint system that is thermally stable at temperatures up to 110.degree. C., will not autoignite at 150.degree. C., but when heated to approximately 177.degree. C. will undergo rapid autoignition.

Abstract: Emulsion explosive compositions comprising a discontinuous aqueous oxidizer salt phase and a continuous carbonaceous fuel phase and from about 5% to about 50% nitrostarch are disclosed which exhibit increased resistance to precompression or dead pressing while maintaining high detonation velocities.

Abstract: An emulsion explosive composition comprising a discontinuous oxidizer phase and a continuous fuel phase is provided wherein the fuel phase comprises an aromatic hydrocarbon compound. The composition essentially contains as the emulsifying agent a polyisobutylene succinic anyhdride-based compound in admixture with an ester of 1-4 sorbitan and oleic acid. The composition demonstrates high explosive strength and excellent stability.

Abstract: An emulsion explosive composition comprising a discontinuous oxidizer phase and a continuous fuel phase is provided wherein the fuel phase comprises a nitroalkane compound. The composition essentially contains as the emulsifying agent a polyisobutylene succinic anhydride-based compound in admixture with an ester of 1-4 sorbitan and oleic acid. The composition demonstrates high explosive strength and excellent stability.

Abstract: A new arrangement of matter is developed which can be formulated to be a high explosive, a propellant or a gas generator. The new arrangement of matter in its explosive embodiment is known as a microknit composite explosive (MCX) in which an essentially anhydrous mixture of perchlorate based oxidizer salts, surfactants and organic fuels is prepared while the oxidizer is molten, and a microcrystalline property is created which imparts a hard, machinable characteristic to the arrangement of matter.

Abstract: A new arrangement of matter is developed which can be formulated to be a high explosive, a propellant or a gas generator. The new arrangement of matter in its explosive embodiment is known as a eutectic microknit explosive (EMCX) in which an essentially anhydrous eutectic mixture of ammonium nitrate, soluble explosive, and other oxidizing salts is mixed with surfactants and organic fuels while the eutectic mixture is molten, and a microcrystalline property is created which imparts a hard, machinable characteristic to the arrangement of matter.

Abstract: A new arrangement of matter is developed which can be formulated to be a high explosive, a propellant or a gas generator. The new arrangement of matter in its explosive embodiment is known as a microknit composite explosive (MCX) in which an essentially anhydrous mixture of inorganic salts, surfactants and organic fuels is prepared while the oxidizer is molten, and a microcrystalline property is created which imparts a hard, machinable characteristic to the arrangement of matter.

Abstract: A priming composition with an elevated thermal stability, which is sensit to percussion, is disclosed. The priming composition comprises a tetrazolic ring containing primary explosive and a sensitivity additive. The sensitivity additive comprises an oxidizing agent and a reducing agent. 40 to 95 weight percent of the priming composition is the primary explosive, 2.5 to 40 weight percent of the priming composition is the oxidizing agent and 2.5 to 40 weight percent of the priming composition is the reducing agent. The priming composition is applied to heads of percussion fuses.

Abstract: A water-in-oil emulsion explosive composition containing hollow microspheres obtained by firing volcanic ash and having a bulk density of 0.05-0.1 and an average particle size of 10-100 .mu.m has improved explosion performance and safety over water-in-oil emulsion explosive composition containing conventional hollow microspheres.

Abstract: Disclosed herein is an explosive of a water-in-oil emulsion type including an aqueous oxidizer solution, an oily material, an emulsifier and hollow microspheres, wherein the oily material forming the continuous phase of the emulsion comprises an oil component and at least one polymer selected from the group consisting of epoxy resin, unsaturated polyester resin, polybutene, polyisobutylene, petroleum resin, butadiene resin and ethylene vinyl acetate copolymer.

Abstract: An explosive composition containing micro-voids consisting of thermoplastic resin hollow microspheres coated with a thermosetting resin has a remarkably excellent low temperature detonability in a small diameter cartridge after lapse of a long period of time.

Abstract: A gas-retaining agent consisting of bubble assemblies, each bubble assembly being one particle consisting of a large number of bubbles agglomerated into the particle, is effective for improving the safety of water-in-oil emulsion explosive compositions against methane and coal dust, for improving the sympathetic detonability of the explosive compositions and for lowering their detonation velocity without deteriorating their strength.

Abstract: A gas-retaining agent having a particle size of 177-3,000 .mu.m is effective for improving the safety of water-in-oil emulsion explosive compositions against methane and coal dust and for improving the sympathetic detonability of the explosive compositions without deteriorating their strength.

Abstract: This invention concerns a dynamite type explosive composition which comprises at least one liquid explosive nitric ester and an emulsion composition comprising an oxygen-releasing salt phase, an organic phase and an emulsifier. The invention provides dynamite type compositions in which the amount of liquid explosive nitric ester can be significantly reduced without adversely affecting the performance and physical properties of the composition.

Abstract: A chemically and thermally stable explosive composition comprising hexanitrostilbene, a perhalogenate oxidizing agent, a sensitizing metal and a source of copper ions. The explosive composition is thermally stable up to a temperature of about 550.degree. F. and can be initiated by an exploding bridge wire or an electrostatic discharge of sufficient energy.

Abstract: A multi-component propellant charge is disclosed wherein one component is energetic high-strength composite resin, which is plasticized by an energetic plasticizer and supports the other components during the high-acceleration stage of the propellant's performance.

Abstract: Water-in-oil emulsion explosive compositions containing (e) nitromethane gelatinized product obtained by mixing nitromethane with a gelatinizer for nitromethane and (f) hollow microspheres and/or (g) bubbles formed from a chemical foaming agent in a water-in-oil emulsion composition consisting of (a) ammonium nitrate or ammonium nitrate and the other inorganic oxidizer salts, (b) water, (c) an oil and/or wax and (d) a sorbitan fatty acid ester surfactant.

Abstract: This invention relates to a liquid explosive composition comprising 2 to 40 weight percent of formamide, 2 to 40 weight percent of alcohol, 3 to 70 weight percent of nitroparaffin and 10 to 80 weight percent of a metal salt of perchloric acid and to a gelled explosive composition comprising the above components, 2 to 20 weight percent of an organic thickening agent and/or 1 to 15 weight percent of an aerating agent. The present invention is also concerned with a method of producing the explosive compositions of the character mentioned above.

Abstract: A two-component explosive composition is disclosed in which each of the components, in and of themselves, is non-detonable. At the use site, the components are readily mixed to form a No. 6 cap-sensitive explosive composition. The composition includes (1) a solid dry component, preferably granular ammonium nitrate or like solid oxidizer and (2) a liquid component for admixture with the dry component consisting essentially of a non-self reacting compound with a fuel value of less than 5 kcal./gm. in which is dispersed 2% to 40% by weight based on the weight of the dry composition of a lower nitro-aliphatic fuel.

Abstract: A slurry explosive composition comprising inorganic oxidizing salt and a liquid solvent, dispenser or carrier for the salt, which liquid is emulsified with a sensitizing liquid aliphatic mononitrate containing from 3 to 8 carbon atoms per molecule.

Abstract: An improved process for producing explosive gel compositions is provided wherein a polymeric thickening agent is dispersed in an aqueous medium and a nitroparaffin is added thereafter to form dispersed globules of nitroparaffin gel within the aqueous medium. Gelling agents for the aqueous medium, fuels and non-explosive sensitizing material can then be added to form an explosive gel with excellent storage and detonation capabilities.

Abstract: A temperature stable explosive formulation which is comparatively inexpene, moderately energetic and easy to initiate to detonation, which comprises aluminum, potassium perchlorate, diaminotrinitrobenzene, and vinylidene fluoride - perfluoropropene copolymer.

Abstract: A non-toxic smoke composition for use in simulating fires in damage control xercises and for use in training. Transcinnamic acid is used as the smoke producing agent and is volatilized by energy from a potassium chlorate/sugar mixture which provides a low burning temperature.

Abstract: A method for producing water gel explosives by stabilizing a dispersion of nitroparaffin, preferably nitromethane, in an aqueous oxidizer salt solution through the simultaneous in situ gelation of the nitromethane dispersed phase and the continuous external aqueous phase, and the product so produced.