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7101449 |
Method for recovery of nitramines from aluminized energetic materials
Nitramines are one of the more expensive and often the more plentiful ingredients found in energetic materials, such as solid rocket motor propellants, explosives, and pyrotechnics. By treating...
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7083690 |
Catalyst system for rendering organic propellants hypergolic with hydrogen peroxide
Novel catalysts capable of rendering both polar and non-polar organic fuels hypergolic with rocket-grade hydrogen peroxide are disclosed. These catalysts are complexes formed by reacting...
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6997996 |
High energy thermoplastic elastomer propellant
A high energy propellant, comprising an oxetane thermoplastic elastomer energetic binder admixed with a high energy explosive filler. The oxetane thermoplastic elastomer energetic binder preferably...
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6986819 |
Metal-oxide-based energetic materials and synthesis thereof
A method of preparing energetic metal-oxide-based energetic materials using sol-gel chemistry has been invented. The wet chemical sol-gel processing provides an improvement in both safety and...
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6984274 |
Explosive composition and its use
An explosive composition comprises a porous fuel and an oxidizer. The porous fuel is a solid with a structure size measuring between about 2 nm and 1000 nm and has a porosity that lies between 10%...
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6982015 |
Reduced energy blasting agent and method
The present invention relates to a method of reducing the energy of an emulsion blasting agent as it is being loaded into a borehole and to an improved method of perimeter blasting wherein an...
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6960267 |
Multi-component liquid explosive composition and method
A multi-component liquid explosive composition and method of mixing thereof. The steps include (a) providing a powder consisting of aluminum preferably having an average particle size of 5 to 50...
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6955731 |
Explosive composition, method of making an explosive composition, and method of using an explosive composition
An explosive composition is provided that is comprised of a Heavy ANFO and grain hulls. In one embodiment, the grain hulls are comprised of rice hulls. The grain hulls serve both as an inert...
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6949153 |
Process for the “in situ” manufacturing of explosive mixtures
The manufacture is carried out in a continuous manner simultaneous to the filling of the shot holes, in a mixer, preferably a rotating mixer, wherein a water-based, non-explosive or low sensitivity...
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6942744 |
Emulsion explosive
An emulsion explosive composition is especially suited to being pneumatically loaded into a blasthole. The emulsion explosive composition includes a base emulsion phase which has a continuous fuel...
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6936120 |
Semi-continuous two-pack process for casting solid propergol paste
A process for casting propellant paste into a mould to manufacture a block of solid propellant includes first mixing two groups of components briefly at low pressure, mixing the two groups of...
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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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6916389 |
Process for mixing particulates
A process for producing a mixture of particulates using compressed gas and sonication. The process is particularly useful to mix reactive particulates, such as thermites.
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6913661 |
Ammonium nitrate propellants and methods for preparing the same
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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6902637 |
Process for preparing free-flowing particulate phase stabilized ammonium nitrate
A process for preparing free-flowing, phase-stabilized ammonium nitrate comprises the following steps. A solution of ammonium nitrate ( 12 ), a surfactant ( 13 ), a phase stabilizer ( 26 ), and an...
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6896752 |
Method for producing compacted free-flowing raw materials for varnish
A process for producing compacted free-flowing nitrocellulose based lacquer raw materials is described. The process involves pressing a nitrocellulose based lacquer feed material, which is...
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6896751 |
Energetics binder of fluoroelastomer or other latex
A propellant composition including a fuel, an oxidizer, and a latex binder and method of making, wherein the method of making eliminates the need for the large amounts of volatile, flammable...
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6893518 |
Sol-gel manufactured energetic materials
Sol-gel chemistry is used for the preparation of energetic materials (explosives, propellants and pyrotechnics) with improved homogeneity, and/or which can be cast to near-net shape, and/or made...
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6887326 |
Nonazide gas generant compositions
High nitrogen nonazide gas compositions, useful in inflating passenger restraint gas inflator bags, contain a high energy substituted tetrazole or bitetrazole that forms a naturally occurring...
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6887325 |
Method of stabilizing the density of gas generant pellets containing nitroguanidine
A non azide gas generant composition of nitroguanidine and an oxidizer such as phase stabilized ammonium nitrate is provided. A gas generant having nitroguanidine and phase stabilized ammonium...
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6887323 |
Method of reducing density by means of gas generating agent
This invention relates to a method of reducing density in an ammonium nitrate product. The method comprises providing a gas generating agent in the form of a water-insoluble solid compound capable...
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6884307 |
Insensitive explosive molding powder, paste process
Insensitive explosive molding powders are provided that include an explosive component, a binder and a plasticizer. The insensitive molding powders include explosive crystals that are bound by a...
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6881284 |
Limited-life cartridge primers
A cartridge primer which utilizes an explosive that can be designed to become inactive in a predetermined period of time: a limited-life primer. The explosive or combustible material of the primer...
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6872266 |
Triazole crosslinked polymers in recyclable energetic compositions and method of preparing the same
A recyclable energetic composition and method of processing energetic compositions cured by cyclo-addition of azido groups of the polymer binder with di- and/or tri-acetylene curatives (components)...
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6872265 |
Phase-stabilized ammonium nitrate
Ammonium nitrate is phase-stabilized by a synergistic phase stabilization additive combination of at least cupric oxide and potassium nitrate. Specifically, phase-stabilized ammonium nitrate...
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6855219 |
Method of gassing emulsion explosives and explosives produced thereby
The present invention provides a method for producing a gassed explosive composition, comprising the steps of: (a) providing a base explosive composition comprising at least an emulsion explosive...
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6843869 |
Porous igniter for automotive airbag applications
A porous igniter body and a method of making the same are provided wherein a blowing agent component including at least one thermally decomposable blowing agent solid is mixed with at least one...
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6841016 |
Process for the production of crystalline energetic materials
The invention is directed to a process for the production of crystalline energetic materials having improved stability and/or decreased sensitivity by crystallization of the energetic materials...
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6808573 |
Emulsion phase having improved stability
A method is disclosed for forming a stable, water-in-oil emulsion phase containing a polymeric emulsifier. The addition of an animal oil or fatty acid additive enhances the long-term stability of...
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6800154 |
Emulsion compositions
An emulsion comprising:(A) a discontinuous phase; (B) a continuous organic phase; and (C) an emulsifying amount of at least one nitrogen and transition metal containing composition derived from...
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6783616 |
Method to produce pyrotechnical igniting mixtures
The invention relates to pyrotechnic primer charges produced on the basis of metal powders or metal hydride powders, potassium perchlorate and binders. In order to obtain a homogenous mixture, the...
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6777586 |
Reclaiming RDX and TNT from composition B and composition B containing military shells
A solvent extraction process for the separation recovery of TNT and RDX from Composition B-containing munitions. The munitions also contain liner materials, such as asphalt and binders, and...
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6726788 |
Preparation of strengthened 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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6653506 |
Recovering nitramines and reformulation of by-products
Methods to recover nitramines from energetic materials yielding useable by-products and producing zero waste. The methods are used on materials containing HMX and RDX.
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6620266 |
Gas generant compositions containing a silicone coating
Known gas generant compositions, absent elastomeric binders, are coated with silicone thereby providing a composition that exhibits enhanced moisture protection, ballistic performance, combustion...
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6610158 |
Procedure and installation for on-site manufacturing of explosives made from a water based oxidizing product
The procedure involves the mixture of a water based oxidizing product with an oxygen balance greater than 14% consisting of a water solution saturated with oxidizing salts, oxidizing particles in...
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6610157 |
Prilled energetic particles, and process for making the same
A process for producing prills containing an energetic material other than ammonium dinitramide (ADN) or ammonium nitrate (AN), is performed in a prilling column having at least one heated zone and...
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6572717 |
Hydrazinium nitroformate
The invention relates to crystalline hydrazinium nitroformate having a length to diameter ratio of at most 2.5 and a sensitivity to friction and shock not below 20 N and 2 J, respectively, as well...
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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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6537399 |
Process and mechanism for in situ sensitization of aqueous explosives
The process for sensitizing in situ aqueous explosives before charging the mine holes comprises the formation of an emulsion of dispersion gas-in-liquid from a low sensitivity or non explosive...
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6527887 |
Polymeric cyclodextrin nitrate esters
Cyclodextrin polymers are nitrated to provide novel nitrate esters of cyclodextrin polymers which are useful for encapsulating explosives to provides energetic compositions of reduced sensitivity;...
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6514361 |
Preparation of emulsions
Provided is a method for preparing an explosive emulsion. The method comprises first preparing an oil phase containing a hydrocarbyl-substituted anhydride, and preparing an aqueous phase containing...
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6503350 |
Variable burn-rate propellant
Disclosed are propellants such as may be used in solid rocket motors. In one preferred embodiment, the propellant comprises one high energy propellant composition comprising a homogeneous mixture...
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6485587 |
Coating process for plastic bonded explosive
A method of making a batch of explosive molding powder including preparing a lacquer comprising an organic solvent, a binder and if required, a plasticizer; adding water to a kettle; adding...
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6475312 |
Method of formulating a gas generant composition
Preferred gas generant compositions incorporate a combination of 5-aminotetrazole nitrate and an oxidizer. The oxidizer may be selected from a group including nonmetal and metal nitrates, nitrites,...
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6454886 |
Composition and method for preparing oxidizer matrix containing dispersed metal particles
Disclosed are compositions comprising mixtures of metallic particles and solid oxidizer, and a method for preparing such compositions. The compositions comprise a homogeneous mixture of metallic...
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6444062 |
Perforated propellant and method of manufacturing same
The present invention is directed to a propellant composition made from a lacquer, the lacquer comprising: (a) from about 15 to about 70 wt % of an organic solvent; (b) from about 0.1 to about 2.5...
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6436211 |
Gas generant manufacture
A method of making a gas generant formulation which contains a transition metal diammine dinitrate is provided wherein a transition metal ammine carbonate is reacted with nitric acid in the...
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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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6416600 |
Process for the production of an exothermically reacting composition
A process for the production of an exothermically reacting composition, such as a propellant or explosive, containing at least one normally solid reactive constituent comprises the steps of: ...
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