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Solid fuel ammonium nitrate-based composition Fuel contains methylpolyvinyltetrazole, mixture of microdisperse aluminium powder of grade ASD-6 and nanodisperse aluminium powder of grade ALEX, hardening agent, plasticiser and energy additive. As plasticiser fuel contains mixture of 1-ethyl-3-nitro-1,2,4-triazole with 2-ethyl-3-nitro-1,2,4-triazole, as energy additive it contains hexanitrohexaazaisovurcitane, and as hardening agent - di-N-oxide-1,3-dinitryl-2,4,6-triethylbenzole. |
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Nitrogen-generating pyrotechnical composition Invention relates to field of pyrotechnics, in particular, to pyrotechnical compositions, intended for obtaining low-temperature gaseous nitrogen in pressure containers, and can be used in automation systems, safety devices, for overflow of aggressive liquids, extinguishing 0f fires, preparation of respiratory mixtures, etc. Nitrogen-generating pyrotechnical composition contains, wt %: sodium azide - 85-91, copolymer of tetrafluoroethylene with vinylidenfluoride - 1-3 as oxidiser, and technical carbon with particle size 0.15-023 mcm - 8-12 as framework-forming substance. |
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Metallised solid fuel composition Composition contains ammonium nitrate brand ZhV, dinitramide guanidinium salt, orthocarborane, di-N-oxide-1,3-dinitrile-2,4,6-triethylbenzene, mixture of microdisperse powder of aluminium brand ASD-6 and ultradisperse aluminium powder, methylpolyvinyltetrazole and mixture plasticiser of methylpolyvinyltetrazole, consisting of 1-ethyl-3-nitro-1,2,4-triazole and 2-ethyl-3-nitro-1,2,4-triazole. |
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Method of producing high-energy composite Oxidant in the form of ammonium nitrate is dissolved in a mixture of water and acetonitrile using a magnetic mixer at 55-65°C for not less than 30 minutes. A fuel-binder is dissolved in the obtained solution at the same temperature for not less than 60 minutes. The solvent is stripped for not less than 3 hours while stirring at temperature of 55-65°C and pressure of not more than 0.03 MPa. The fuel-binder used is methylpolyvinyl tetrazole which is plasticised with a nitramino-nitrotriazole plasticiser. Metallic fuel is mechanically placed in the obtained mixture of oxidant and fuel-binder, said metallic fuel being in the form of a mixture of micro- and nanopowder of aluminium, guanyl-urea salt of dinitramide and a curing agent in the form of di-N-oxide-1,3-dinitrile-2,4,6-triethylbenzene. The obtained mixture is evacuated, moulded and polymerised at room temperature to obtain a high-energy composite. Fine crystalline ammonium nitrate can be used with particle size of 2-10 mcm. |
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Gas-generating cocrystallisate based on ammonium nitrate Gas-generating cocrystallisate based on ammonium nitrate includes oxidiser - ammonium nitrate, high energy density fuel, with high energy density fuel being represented by methylpolyvinyltetrazole, with gamma-modification of aluminium oxide being used as additive. All components are taken with specified ratio. |
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Pyrotechnic composition for nitrogen generation Claimed is pyrotechnical composition for nitrogen obtaining, containing sodium azide, aluminium (III) fluoride and fluoroplast powder with component ratio (wt %) 55-85/7-43/2-8 respectively. Composition slags represent sintered porous block with geometrical dimensions of initial charge, possessing filtering ability. |
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Method of obtaining solid composite aluminised fuel and solid composite aluminised fuel Group of inventions relates to a method of obtaining a solid composite fuel for solid-fuel engines of space rockets, fuel with a polyurethane binding agent, filled with ammonium perchlorate and aluminium, obtained by such a way, the fuel charge and oxidation charge for it and a respective rocket engine. The method of obtaining the solid composite fuel includes obtaining of a paste by mixing in a mixer of a mixture, which contains a polyol polymer, the oxidation charge of ammonium prechlorate and the reduction charge of aluminium, at least, one agent for cross-linking of the liquid polyol polymer, at least, one plasticiser and, at least, one additive; filling the obtained paste in a press-mould with the following thermal cross-linking. The oxidation charge of ammonium perchlorate is obtained by the preliminary preparation of a mixture from, at least, two charges, each of which has a specific monomodal distribution of particles by sizes, which makes it possible to reduce drive vibrations and sedimentation of aluminium oxide in the back part of the engine. |
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Method of manufacturing charges of mixed solid rocket fuel Method includes the preparation of a mixture of a binding agent with metal fuel and technological additives, preparation of a fuel mass, and portioned pouring of the mass into a case, with the preparation of the mixture of the binding agent with the metal fuel being carried out at a temperature by 5-25°C higher than the temperature of the fuel mass mixing, vacuuming of the formed mixture is carried out for 1-6 hours under a pressure of 5-50 mm Hg. Each portion of the fuel mass poured into the case constitutes 10-12% of the charge weight. |
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Method and device for manufacturing pressure generator powder charges Invention is related to oil and gas industry, and namely to the area of has-generating compositions for pressure generator powder charges burned in process of productive stratum treatment, and may be used for simulation of oil and gas production in result of mechanical, thermal and physical and chemical impact of solid fuel combustion products on oil- and gas-bearing formations. The method for manufacturing pressure generator powder charges includes mixing up of certain components in an air-tight container, where discharging is created by a compressor and pouring to a mould is made under pressure, at that air is evacuated preliminary from the mould. Vacuumation and pouring to the mould is made with application of vertical and horizontal vibrations, thus mixing certain components more effectively and eliminating air bubbles. There are heating elements for the purpose of the compound polymerization at external surface of the mould. The device implementing this method is also proposed. |
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Pyrotechnic low temperature rapidly burning gas-generating composition Invention relates to gas-generating compositions, which contain inorganic salts of oxygen-containing halogen acids, namely to pyrotechnic low-temperature rapidly burning gas-generating compositions for gas-generators, which are used in devices, applying mechanic energy of generated gases, for instance, in devices of rotor spin-up in turbo-jet engines, systems of rocket and torpedo control, shock-absorbers, jack-cushions, etc. Pyrotechnic low-temperature rapidly burning gas-generating composition includes in wt %: 58.0-68.0 nitroguanidine, 15.0-25.0 ammonium perchlorate, 5.0-11.0 urotropine, 1.0-7.0 ammonium bichromate, 2.5-3.5 butadiene-nitrile rubber and 1.5-2.5 phenolformaldehyde resin. |
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Invention relates to field of elaboration of fuel, namely ecologically friendly hard rocket fuel, used in anti-hail rockets, intended for producing impact on clouds in order to protect agricultural crops from hail. Hard nitrocellulose-based rocket fuel for anti-hail rockets contains nitroglycerine, dinitrotoluene, dibutyl phthalate, stabiliser of chemical resistance - centralite or 1,2-dibutoxibenzene or their mixture, technological additives zinc stearate and industrial oil, combustion modifiers - calcium carbonate and copper oxide, preliminarily processed with polyacrylamide solution. |
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Invention relates to briquetted solid fuel, which contains activated charcoal screenings and ballistit powder wastes which do not contain heavy metal salts and other environmentally hazardous components, ground to particle size of 0.5-1.0 mm, and polyacrylamide as binder, with the following ratio of components, wt %: activated charcoal screenings - 75…86, ballistit powder wastes - 10…20, polyacrylamide - 4…5. The invention enables to comprehensively solve the problem of the environment, saving energy resources and recycling potentially hazardous high-energy substances. |
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Briquetted solid fuel contains activated charcoal screenings and expired ballistit powder, ground to particle size of 0.5-1.0 mm, and polyacrylamide as binder, with the following ratio of components, wt %: activated charcoal screenings - 75…86, expired ballistit powder - 10…20, polyacrylamide - 4…5. |
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Solid fuel composition (versions) Invention relates to solid fuel compositions based on ammonium nitrate and can be used to clean oil wells from asphalt-resin-paraffin deposits, hydraulic fracturing during oil extraction and as a source of energy of solid-fuel rocket engines. The solid fuel composition contains, wt %: ammonium nitrate 69-77, powdered butadiene-nitrile rubber with particle size of 0.4-2.0 mm 10-12, ASD-1 aluminium powder 8-15, potassium dichromate 1-8 and a process additive (0.5-1.0) in excess of 100%. Another version of the solid fuel composition contains, wt %: ammonium nitrate 69-77, powdered butadiene-nitrile rubber with particle size of 0.4-2.0 mm 10-12, ASD-1 aluminium powder 4.0-7.5, ultrafine aluminium with particle size of 0.1 mcm 4.0-7.5, potassium dichromate1-8 and a process additive (0.5-1.0) in excess of 100%. |
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Method to manufacture pyrotechnical charges Method to manufacture a pyrotechnical charge includes mixing of sodium azide and ferric oxide powders, subsequent preparation of a technological moist mixture by addition of water, formation of granules, from which water is removed before pressing of charges, at the same time mixing of powder components in a blade mixer is combined with formation of granules from the moist technological mixture, which is carried out stepwise: at first water in the amount of 6-10 wt % relative to the mixture of dry powder components is added for 5-15 minutes, then moist mixture is mixed for 20-30 minutes with compressed air blowdown to form granules, which are dried in a vacuum chamber until moisture content is not more than 0.3 wt %. |
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Solid-fuel gas-generating composition Invention relates to high-energy condensed systems and specifically to solid-fuel gas-generating compositions, and can be used in different gas generators of fire-extinguishing systems, self-contained systems of raising sunken objects, airbags, oil production stimulation systems and apparatus for producing different compounds in a combustion wave. The composition contains ZHV ammonium nitrate as an oxidant, guanidine salt of dinitramide as fuel, methylpolyvinyl tetrazole which is plasticised with a mixture of 2,4-dinitro-2,4-diazapentane with 1-ethyl-3-nitro-1,2,4-triazole as binder, orthocarborane as an additive, di-N-oxide-1,3-dinitrile-2,4,6-triethylbenzene as a curing agent. |
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Method of producing mixed solid fuel with metal fuel Invention involves adding to a mixture of oxidant, organic combustible binder and process additives, as metal fuel, a bidispersed mixture of micron sized aluminium powder and aluminium nanopowder in ratio of 40/60 wt % in amount of 10-25 wt %. The obtained effect, which was confirmed experimentally by burning samples of the fuel at atmospheric pressure, is high rate of combustion of the fuel, complete combustion of aluminium and low content of condensed particles in the combustion products. |
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Method of producing rocket solid-propellant ballistic charge Invention relates to production of solid-propellant rocket charges. Proposed method comprises mixing propellant bulk components in water, composing mix in common mixer and its processing at squeezing, rolling, drying and extruding. Note here that, prior to starting extruder, portion of propellant bulk water suspension is fed from mixer into bag and thickened by natural filtration of excess moisture via bag fabric to moisture content of 60-70%. Then thickened bulk is fed into compaction press bin to be squeezed therein at screw low rpm of 1-2 min-1. |
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Invention relates to gas-generating compositions for use in various mechanisms working under the action of compressed gases. The gas-generating composition contains 56.0-59.0 wt % potassium nitrate, 10.0-13.0 wt % melamine, 24.0-27.0 wt % basic magnesium carbonate, 3.0-5.0 wt % sodium salt of polyvinyltetrazole and 1.0-2.0 wt % combustion catalyst. The combustion catalyst used is activated carbon or copper-chromium oxide or mixture thereof. |
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Heat-resistant gas-generating solid fuel Proposed composition of heat-resistant gas-generating solid fuel contains fuel binding agent -thermoplastic elastomer DST-30, antioxidant - M-phenyl-2-naphthylamine, combustion catalyst - yellow iron oxide pigment, combustion-stabilisation device - titanium dioxide or disilicide, texturing agent - technical carbon, reinforcing agent - F-4D plastic fluor, processing additions -industrial oil, graphite, zinc stearate, and oxidiser - ammonium or potassium perchlorate, or mixture of hexogen and octogene, or their mixture. |
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Thermoplastic solid-fuel composition for treatment of oil wells Thermoplastic solid-fuel composition containing ammonium nitrate, rubber, combustion catalyst includes powder-like butadiene-nitrile rubber with particle size of 0.4-2.0 mm as rubber, potassium bichromate or ammonium bichromate as combustion catalyst at the following component ratio, wt %: ammonium nitrate 79 - 88, the above rubber 8-18, potassium bichromate or ammonium bichromate 1-11. |
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Ammonium nitrate based gas-generating composition Invention relates to gas-generating compositions and can be used in different gas-generator based fire-extinguishing systems, autonomous systems for raising drowned objects, car airbags and oil well stimulation systems to obtain selective gases. The disclosed gas-generating composition contains grade ZV ammonium nitrate, guanylurea dinitramide, dicarbollyl complex of iron and fuel-binder based on methylpolyvinyltetrazole and plasticised eutectic dinitrazapentane with 1,2,4-nitrotriazole. |
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Pyrotechnic particles of large sizes, method of their obtaining, and use Proposed pyrotechnic particles include at least one oxidising component chosen from ammonium, potassium, sodium, barium, strontium nitrates, the main copper nitrate, ammonium, potassium and sodium perchlorates, and their mixtures, at least one reducing component chosen from nitroguanidine, guanidine nitrate and their mixtures and is not included in binding agent; at that, particles essentially have the shape of cylindrical blocks with thickness of more than 5 mm, with equivalent diameter equal to 10 mm or more, and with porosity in the range of 1% to 8%, including boundary values. Particles can be obtained in compliance with the proposed method. |
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Composite solid propellant based on ammonium perchlorate contains polyvinyl isoprene rubber with terminal epoxy groups, polybutadiene rubber with terminal carboxyl groups, aniline, para-aminobenzoic acid, metallic fuel - dispersed aluminium, curing agent - zinc stearate, plasticiser - mixture of polyvinyl isoprene rubber, di-(2-ethylhexyl)- sebacate and tributyl phosphate, combustion modifier - OSF product, where the ratio of polyvinyl isoprene rubber with terminal epoxy groups to polybutadiene rubber with terminal carboxyl groups is equal to 0.9 mol (5.0…7.1 wt %) to 0.11…0.2 mol (0.54…1.1 wt %). |
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Gas generating composition contains the following, wt %: ammonium nitrate 50.0-70.0, poly-N-methyl-5-vinyltetrazole 4.8-8.0, zinc oxide 1.0-2.0, nitraminopropionitrile 16.7-27.3, 2,4-dinitro-2,4-diazapentane 7.2-11.6, diphenylamine 0.3-1.0. |
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Ammonium nitrate based solid-fuel gas-generating composition Invention relates to gas-generating techniques, particularly to high-energy solid-fuel gas-generating compositions and can be used in different fire-extinguishing systems based on gas-generators, standalone systems for lifting sunken objects, airbags in cars and oil well stimulation systems. The solid-fuel gas-generating composition contains an oxidising agent, fuel-binder and an energy additive. The oxidising agent used is GV ammonium nitrate, the fuel-binder used is methylpolyvinyl tetrazole and the energy additive used is nitraminopropionitrile, with the content of components in wt %: 60-70 GV ammonium nitrate, 5-20 methylpolyvinyl tetrazole, 20-25 itraminopropionitrile. |
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Method of producing high-filled solid rocket propellant of ballistic type Invention relates to rocketry. Proposed method comprises mixing propellant components in aqueous medium, squeezing, rolling, drying and charge moulding in moulds. Note here that propellant chips produced in squeezing, are retuned in amount of 5…15% of processed bulk into squeezer for reuse, which adds to efficiency and safety. |
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Method to produce composite solid propellant Method is realised in mixing plant, consisting of preliminary, upper and lower mixers. Initially excess of liquid-viscous components is dosed into preliminary mixer, including mixing in upper mixer. Then mixing is simultaneously started in preliminary mixer, and liquid-viscous and powdery components are synchronously dosed in amount of 20-40% of upper mixer charge volume. Afterwards dosing and mixing in preliminary mixer are stopped, and components are mixed in upper mixer for 5-10 minutes. Ratio of components mix in upper mixer is corrected by lacking amount of powdery components. Corrected mixture of components is mixed in upper mixer for 10-25 minutes, and synchronous dosing of liquid-viscous and powdery components is restored and mixed serially in preliminary, upper and lower mixers of mixing plant. |
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Gas-generating fuel for downhole apparatus Gas-generating fuel contains an oxidising agent and fuel. According to the invention, the oxidising agent is ammonium perchlorate and the fuel is a metallic fuel in form of aluminium and a thermoplastic fuel in form of a chlorine-containing thermoplastic polymer or its mixture with a chlorine-containing low-molecular weight compound in ratio of 1:0.1-1:2, with the following ratio of components, wt %: oxidising agent -50.0-79.0, thermoplastic fuel 20.0-40.0, metallic fuel 1.0-10.0. The chlorine-containing thermoplastic polymer is chlorinated polyethylene or polyvinylchloride or chlorinated polyvinylchloride or chlorosulphonated polyethylene. The chlorine-containing low-molecular weight compound is chlorinated paraffin wax or methyl chloroform, or tetrachloroethane or perchloroethylene or dichlorobenzene or hexachloro-p-xylene. The fuel also contains a process additive - calcium or zinc stearate in amount of 0.05-1.0 wt %. |
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Gas-generating fuel for downhole apparatus Gas-generating fuel contains an oxidising agent and fuel. The oxidising agent is ammonium perchlorate and the fuel is a thermoplastic fuel in form of a chlorine-containing thermoplastic polymer or its mixture with a chlorine-containing low-molecular weight compound in ratio of 1:0.1-1:2, with the following ratio of components, wt %: oxidising agent 60.0-80.0, thermoplastic fuel 20.0-40.0. The chlorine-containing thermoplastic polymer is chlorinated polyethylene or polyvinylchloride or chlorinated polyvinylchloride or chlorosulphonated polyethylene. The chlorine-containing low-molecular weight compound is chlorinated paraffin wax or methyl chloroform, or tetrachloroethane or perchloroethylene or dichlorobenzene or hexachloro-p-xylene. The fuel also contains a process additive - calcium or zinc stearate in amount of 0.05-1.0 wt %. |
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Gas-generating fuel for downhole apparatus Invention relates to solid gas-generating solid fuels. The gas-generating fuel for downhole apparatus contains ammonium perchlorate as an oxidising agent, synthetic hydrocarbon rubber which is plasticised with hydrocarbon oil in mass ratio of 1:1…1:5 as fuel, aluminium, process additives, a vulcanising agent and ammonium chloride as a gas-generating additive. |
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Method of making mixed solid fuel charge Invention relates to technology of making charges from mixed solid fuel. The method of making a mixed solid fuel charge involves grinding, fractionation and mixing different fractions of an oxidising agent, preparation of a mixture of binder with metallic fuel and additives, preparation of a mixture of hardener components and preparation of a fuel mixture, moulding, polymerisation, pressing and flaw detection of the charge. At the step for preparing a mixture of binder with metallic fuel and additives, rubber - oligomer polyvinyl isoprene urethane with terminal epoxy groups is divided into two portions. One portion of the rubber and a polymer chain extension - aniline is used to prepare a semi-finished product and is mixed with the second portion of the rubber and components of the mixture of binder with additives. |
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Gas-generating composition for producing breathable gas Invention relates to pyrotechnics. The gas-generating composition for producing breathable gas contains silicon as fuel, cellulose nitrate or sodium metasilicate, or magnesium cement as binder, oxidising agent which forms nitrogen in combustion products, in form of nitrates of alkali or alkali-earth metals or their mixture with potassium perchlorate or ammonium perchlorate in ratio which ensures absence of hydrogen chloride in the combustion products. |
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Method of making articles from mixed solid rocket fuel Invention relates to technology of making articles from mixed solid rocket fuel. The method of making articles from mixed solid rocket fuel involves moulding articles into a case through pressure moulding of fuel mass on a continuously running installation with auger unloading, holding the moulded articles under pressure during operation of the auger with simultaneous cooling of the fuel mass in the auger by feeding a heat carrier into the housing of the auger, cutting off the fuel mass in the case using a cutter and press curing. Cooling of fuel mass in the auger feeding heat carrier into the housing of the auger begins 3-20 minutes before the end of moulding the article. After ageing of the moulded article, pressure in the case of the article is established in accordance with a mathematical formula by smoothly varying rotational speed of the auger. Further, without changing the rotational speed of the auger, the cutter is closed and after 0.5-1.0 minutes, rotational speed of the auger is smoothly reduced to zero and the auger is switched off. The stroke speed of the piston of the cutter during its closure is preset at a value not greater than 0.15 m/min. |
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Solid fuel low-temperature gas-generating composition Invention relates to solid fuel gas-generating compositions. The solid fuel low-temperature gas-generating composition contains ZV ammonium nitrate, guanylurea dinitramide and methylpolyvinyltetrazole. |
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Gas-generating fuel for downhole apparatus Invention relates to gas-generating solid fuels. The gas-generating fuel for downhole apparatus contains ammonium perchlorate as an oxidising agent, synthetic hydrocarbon rubber plasticised with hydrocarbon oil as fuel, lecithin, epoxy resin, ortho-tert-butyl-para-cresol or tertiary butylphenol as a processing additive, paradinitrosobenzene or quinol ether as a curing agent, ammonium chloride as a gas-generating additive. The synthetic hydrocarbon rubber used can be isoprene, butadiene, ethylenepropylene, isoprenedivinyl or butyl rubber and the hydrocarbon oil can be transformer, aviation or industrial oil. |
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Low-temperature solid propellant Invention relates to making gas-generating low-temperature solid propellants. The low-temperature solid propellant contains ammonium nitrate as an oxidising agent, SKDM-80 rubber as polymer fuel, di-N-oxide-1,3-dinitrile-2,4,6-triethylbenzene as a hardener and dinitrophenoxyethanol as a combustion rate catalyst. |
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Invention relates to gas generating compositions for use in various mechanisms working under the effect of compressed gases. The gas generating composition contains 50-60 wt % calcium nitrate, 15-16 wt % melamine and 24-35 wt % sodium bicarbonate. |
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Manufacturing method of charge from ballistic solid propellant Manufacturing method of charge from ballistic solid propellant (BSP) involves mixing of fuel components containing solid additions in water medium, pressing of fuel mass, rolling, pelletisation of fuel mass, drying of fuel pellet and pressing of charge with a through method. Solid additions are dosed for fuel components to be mixed in the form of pre-prepared water suspension; at that, water suspension of solid additions is prepared at temperature of 15…35°C, and the ratio of solid additions: water within 1:3…1:5 and introduction of sulphoricinate E in quantity of 0.10…0.25 wt % in relation to fuel mass. |
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Ballistic solid rocket propellant Ballistic solid rocket propellant includes combustion modifying agent which consists of lead copper complex of phthalic acid or nickel lead complex of phthalic acid as combustion catalyst, chrome (III) - copper (II) - oxides or dioxides of titanium, or titanium disilicide, or calcium carbonate as combustion stabiliser, technical carbon and 1,2-dibutoxybenzol. Combustion catalyst is included in the propellant in quantity of 1.5-4.0 wt %, combustion stabilising agent 0.4 - 3.0 wt %, technical carbon 0.1 - 1.0 wt %, 1,2-dibutoxybenzol - 0.5 - 2.0 wt %. |
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Method for manufacturing of item from mix solid rocket propellant Method for manufacturing of item from mix rocket solid propellant (MRSP) includes moulding of item, execution of staged hardening of item under pressure by means of coolant temperature variation and item cooling. Item is hardened at initial stage at the temperature of coolant 5-15°C below temperature of the main hardening mode for 10-20% of overall hardening duration, and then in the main mode at the temperature of 60 - 80°C. Cooling is carried out at coolant temperature of 10 - 35°C and duration (τcooling, hr), defined by formula τcooling=0.61 Taverage + 0.65, where Taverage is actual average coolant temperature, °C. |
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Ballistite type solid rocket propellant Invention relates to ballistite type solid rocket propellant which can be used, for example in anti-tank guided missile systems. Ballistite solid rocket propellant contains nitrocellulose, plasticiser - nitroglycerin, dinitrotoluene and dinitrodiethyleneglycol, chemical resistance stabiliser - centralite or its mixture with diphenylamine, processing additives - industrial oil and zinc stearate, combustion catalyst - mixture of a lead-nickel complex of phthalic acid with calcium carbonate or magnesium oxide. |
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Solid pyrotechnical gas-generating element Solid pyrotechnical gas-generating element (GGE) is made of tetrazole-containing polymer, which is plasticised with dimethyl formamide as binder, bifunctional aromatic dinitrile oxide as hardener, alkaline metal azide, alkaline metal nitrate and alkaline metal chloride. |
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Method for production of explosive Method for production of explosive includes batching of liquid-viscous components and portion batching of powdery components into mixer, their mixing. Explosive composition is complemented with technological additive on the basis of epoxide resin by means of its preliminary dissolution at the temperature of 15 - 60 °C in plasticiser at the ratio of epoxide resin and plasticiser as 1:3…1:5 and batching of produced solution into mixer prior to introduction of powdery components with mixing of 8-30 minutes. |
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Method for production of solid propellant charge of ballistite type Invention is related to the field of solid propellant charge (SPC) making of ballistite type. Method for production of solid propellant charge of ballistite type, which contains technical carbon, includes mixing of fuel components, squeezing, rolling, drying and pressing of charge by stage method with application of shape-generating press-tool. Technical carbon is used in granulated form. Rolling of fuel is executed at the temperature of working roller of 65…105°C, idle roller temperature of 50…90°C and with thickness of fuel web of 1.3…4.0 mm. |
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Method of making mixed solid rocket fuel charge tightly bonded to rocket casing Invention relates to mixed solid rocket fuel (MSRF). The method of making solid rocket fuel charge which is tightly bonded to the rocket casing involves preparation of a bonding composition, vulcanising additive, depositing the bonding composition on the inner surface of the rocket casing with thermal-protective coating, depositing vulcanising additive onto the bonding composition, preparation of fuel based on oil-extended polybutadiene rubber SKDM-80TM, filling the rocket casing with said fuel and hardening. The bonding composition is prepared using polyester urethane rubber with terminal epoxy urethane groups PPG-3A as binder. The vulcanising additive is prepared from quinol ether QE-1 and ethylacetate. |
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Method of producing charge from solid ballistite rocket propellant Method of producing the charge from solid ballistite rocket propellant comprises mixing the propellant components in a neutral medium, adding zinc stearate, squeezing the propellant mix, milling the propellant mix along with making it a tablet, dusting the tablets with zinc stearate, drying the tablet and forming the charge. |
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Method of producing rocket ballistic solid propellant charge Invention relates to rocket engineering. The proposed method comprises mixing propellant components up in a neutral medium, squeesing the propellant mass, rolling the said mass along with processing till molded mass, drying the latter and producing from it the charges using forming press. In mixing the aforesaid components in neutral medium, combustion inhibitor, i.e. γ-polyoxymethylene with the mean grain size not exceeding 15.0 μ is added thereto. Note also that and nitrocelluloses is used with nitrogen content not exceeding 192.0 ml NO/g. |
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Solid ballistite propellant offered contains nitrocellulose, plasticizing agent, chemical durability stabiliser, burning modifying agent and technological additives. The plasticising agent can be: the mixture of nitroglycerine and dinitrotoluene in proportion of 1:0.56 - 1:0.66, or mixture of nitroglycerine, dinitrotoluene and dibutyl phtalate in proportion of 1:0.24:0.094 - 1:0.52:0.12, or mixture of nitroglycerine and dyn in proportion of 1:0.2 - 1:0.39, or mixture of nitroglycerine and dimeric polymer in proportion of 1:0.47, or just nitroglycerine. The burning modifying agent can be: oxides of group 2 or 3 metals, or mixture of lead monoxide and calcium carbonate, or mixture of lead monoxide, calcium carbonate and carbon black, or mixture of potassium sulphate, calcium carbonate and carbon black, or mixture of titanium dioxide and carbon black, or mixture of titanium dioxide, carbon black and fluoroplastic, or mixture of carbon black, kalium hexanitrocobaltat (3) and potassium nitrate, or mixture of kalium hexanitrocobaltat (3) and potassium nitrate. |
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Gas-making pyrotechnic compound Offered gas-making pyrotechnic compound contains an aluminum hydride powder (25÷70 wt %) and potassium perchlorate powder (30÷75 wt %). The powder has specific gas evolution of 400÷832 cm3/g, is capable to create pressure pulse of 3.0-106÷13.5-106 kgf/cm2 · c-1, thus temperature of ignition of powder is not higher 200°C. |
Another patent 2546648.