The method involves obtaining a dispersion of ammonium perchlorate, grinding the suspension for 1 hour in the presence of grinding elements. The method is characterised by that the ammonium perchlorate is ground in a medium of butyl rubber with viscosity 1600…3000 P, with ratio of ammonium perchlorate to butyl rubber equal to 70:30.
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The method of claim 1 wherein said predetermined amount of ammonium perchlorate is about 1.0 pound; ... Another object of this invention is to provide a method for grinding and coating ammonium perchlorate with an aziridine compound. ... The particle size and surface area of the AP is determined by standard MSA techniques.
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10%In the present work, copper ferrite was prepared by a simple and mild sol–gel method followed by low-temperature calcination, and characterized by various analytical techniques. The X-ray diffraction (XRD) analysis suggests that the copper ferrite with the spinel-type ferrite crystal forms have been successfully prepared. More crystal defects are …
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The thermal decomposition of ammonium perchlorate in vacuo and under small initial pressures of nitrogen, to suppress sublimation, has been investigated in the temperature ranges 220 to 280°C and 380 to 450°C. The experimental techniques for following the decomposition and subsequent analysis of the products are described and gas analysis results given.
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Perchlorate ammonium 7790 98 9 potassium 7778 74 7 magnesium information see A Compilation of Water Quality Goals 17th Edition Marshack 2016 . Safety Data Sheet AMPAC Specialty Chemicals. Document Title Ammonium Perchlorate Safety Data Sheet Rev 18 Effective Revision Date 12 May 2016 Page 1 of 9 SAFETY DATA SHEET 1 .
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10%The AP/ β -Cu mixture was prepared by ultrasonic dispersion-assisted grinding method. 0.02 g of β -Cu powders was added into 3 mL of ethyl acetate solution with ultrasonic stirring for 5 min to form a suspension. Then, 0.98 g of AP was slowly added into the suspension.
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US3419899A US448710A US44871065A US3419899A US 3419899 A US3419899 A US 3419899A US 448710 A US448710 A US 448710A US 44871065 A US44871065 A US 44871065A US 3419899 A US3419899 A US 3419899A Authority US United States Prior art keywords ammonium perchlorate crystals crystallizer zone crystallization Prior art date 1965 …
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* Ammonium Perchlorate may affect the kidneys. * Ammonium Perchlorate is a HIGHLY REACTIVE CHEMICAL and a DANGEROUS EXPLOSION HAZARD. IDENTIFICATION Ammonium Perchlorate is an odorless, white, sand-like powder. It is used in analytical chemistry and as an etching and engraving agent. It is also used as an animal fattening agent and in …
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Ammonium perchlorate (AP) and ammonium dinitramide (ADN) In the case of thermal behavior, AP decomposes with two exothermic peaks, which needs to be merged for better combustion performances [59] . Therefore, in order to tune the thermal behavior and decrease the hygroscopicity of AP, coating of AP or intercalation with appropriate catalysts ...
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US4115166A US05/003,548 US354870A US4115166A US 4115166 A US4115166 A US 4115166A US 354870 A US354870 A US 354870A US 4115166 A US4115166 A US 4115166A Authority US United States Prior art keywords ammonium perchlorate propellant divinylbenzene adduct butylene Prior art date Legal status (The legal status is an assumption and …
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In this article, nano-CuCr 2 O 4 (copper chromite)/ultrafine ammonium perchlorate (AP) composites were prepared by a ultrasonic dispersion method and a mechanical grinding method. A series of nano-CuCr 2 O 4 /ultrafine AP composites with different dispersions were prepared by controlling the compounding time to study the best catalytic effect of nano-CuCr 2 O 4 on the …
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The comminution of ammonium perchlorate has been most commonly accomplished by various grinding techniques. More recently, the increased demand for very fast burning propellants has increased the search for a practical process of producing even finer ammonium perchlorate particles, that is, particles having an average particle diameter of less ...
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Ammonium perchlorate (AP) is a very labile species composed of the perchlorate ion ClO − 4, with chlorine in an oxidation state of +7.The high oxygen content and good thermal stability of perchlorates have made them indispensable ingredients for the pyrotechnics industry and key ingredients in solid rocket propellants [].AP-based composite …
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Grinding media should be returned to the grinding drum with a new portion of material subject to grind. ... The invention relates to techniques for disintegration and classification of solid materials and can be used for dressing plants ... and in the process of comminution of ammonium perchlorate in the bead crumber in each 208-221 hours is ...
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The combustion rate of ammonium perchlorate composite propellants (APCPs) can be considerably increased with the addition of nano-scale metals and metal oxides [1][2][3][4][5].
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the method includes the steps that the powdery solid fuel air explosive containing ammonium perchlorate and a certain amount of water and surfactant are mixed to …
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A method of producing ammonium perchlorate for composite solid rocket propellant comprising preparing a solution of the coating in liquid media, preparation of suspension of ammonium perchlorate, her grinding in the presence of grinding media and drying, characterized in that the preparation of the coating solution
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Ammonium Perchlorate has the lowest solubility of any Ammonium compounds in water that I am aware of. Your better off with Nitromethane, the suggested perchlorate compounds by Rosco, or possible Ammonium perchlorate eutectics. If you had Ammonium Nitrate or Sodium Perchlorate slurry based explosives would probably be a better choice.
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The Brief Profile summarises the non-confidential data on substances as it is held in the databases of the European Chemical Agency (ECHA), including data provided by third parties. The Brief Profile is produced based on data in ECHA's databases and maintained by the Agency, and therefore the Brief Profile as a dissemination tool falls under ...
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The catalytic effect on the thermal decomposition behavior of ammonium perchlorate (AP) of p-type nano-CuO and CuCr2O4 synthesized by an electrochemical method has …
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Previous methods involved the mixing of dry powders by way of grinding or applying an ultrasonic bath to pulverize the larger agglomerates in the powder additive. Dry titania nanoparticles were...
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Effects of grinding montmorillonite and illite on their modification by dioctadecyl dimethyl ammonium chloride and adsorption of perchlorate. Wuhui Luo, Takeru Fukumori, Binglin Guo, Kwadwo Osseo-Asare, Tsuyoshi ... Multiple techniques were used to characterize the changes in structure and morphology before and after mechanical or organic ...
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ammonium perchlorate mill the size of atoms micro. ammonium perchlorate grinding. pulverizer for ammonium perchlorate eubibliografie . Ammonium Perchlorate Grinding Techniques ammonium perchlorate grinding techniques, Ball Mill, Hammer Mill, Grinding is the required powdering or pulverizing process when final size of below 2 mm is . get price
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The method involves obtaining a dispersion of ammonium perchlorate, grinding the suspension for 1 hour in the presence of grinding elements. The method is characterised by that the ammonium perchlorate is ground in a medium of …
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US3498759A US459571A US3498759DA US3498759A US 3498759 A US3498759 A US 3498759A US 459571 A US459571 A US 459571A US 3498759D A US3498759D A US 3498759DA US 3498759 A US3498759 A US 3498759A Authority US United States Prior art keywords crystals zone ammonium perchlorate crystallizer dissolving Prior art date 1965-05 …
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Currently, ammonium perchlorate (AP) is the most widely used oxidizer for composite solid propellants. Transition metal oxides nanoparticles such as iron oxide, vanadium oxide, cadmium oxide, copper oxide [3,4,5,6,7] qualified as thermal decomposition modifiers for AP-based composite solid propellants.
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Ammonium Perchlorate Grinding Techniques Mill The Size Of Atoms Ammonium Perchlorate 90 Micro Chines Ammonium perchlorate grinding ladonatellabe ammonium perchlorate grinding by hammer mill ammonium perchlorate is a white crystalline solid or powder classified as a division explosive if powdered into particles smaller than microns in …
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Introduction of TANYUN Solid Rocket Composite Propellant. TANYUN composite propellant is a kind of propellant composed of polymer binder: hydroxyl-terminated polybutadiene, solid powder oxidizer: ammonium perchlorate, powder metal fuel: aluminum, and other additional components. Composite solid rocket propellant is referred to as composite propellant, which is …
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1. Introduction. Ammonium perchlorate (AP) has endured as a quintessential oxidizer in various propellant and pyrotechnic formulations during the past century, .The thermal decomposition of AP is an intricate process dominated by various physico-chemical phenomena, such as crystal transformation, sublimation, diffusion, adsorption-desorption, and a myriad of …
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Ammonium perchlorate (AP) is the workhorse oxidizer used in composite solid propellant. The doping of AP with transition metal compounds by physical mixing or cocrystallisation is a …
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Ammonium perchlorate (APC) is the most common oxidizer in use for solid rocket propulsion systems. However its initial thermal decomposition is an endothermic process that requires 102.5 J·g⁻¹.
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In this study, nano-CuO prepared via mechanical grinding was applied to ammonium perchlorate (NH 4 ClO 4, AP)/hydroxyl-terminated polybutadiene (HTPB) propellant.The catalytic effect of nano-CuO was investigated by thermogravimetric analysis/differential scanning calorimetric techniques.
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Ammonium perchlorate, an oxidizer, is the most prevalent form of this compound; has been widely used in solid propellants, fireworks, and flares; and is a constituent of many munition components. Manufacture of ammonium perchlorate began in the 1940s, primarily for use by the defense industry and later by the aerospace industry.
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ammonium perchlorate grinding mill manufacture in india. Micro structural Effect on Hydroxy Terminated Poly Butadiene HTPB Ammonium perchlorate with two different sizes was used in the propellant formulations by grinding ammonium perchlorate gt 99 pure in a fluid energy mill to an were measured by GPC Manufactured by M s Thermo Finnigan
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Ammonium Perchlorate, after grinding 30.8% [3] Polysulfide 16.4% p-Quinone dioximine (curing agent) 1.2% Diphenyl guanidine (curing accelerator) 0.1% Dibutyl phthalate 2.8% Aluminum powder (resonance suppressor) 1.8% Sulfur 0.1 (curing catalyst)% Magnesium oxide (curing catalyst) 0.6% ...
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According to the invention the proposed method of waterproofing ammonium perchlorate by methyltrichlorosilane and method of waterproofing ammonium perchlorate by methyltriethoxysilane, including grinding ammonium perchlorate in the flow of air, moisture, averaging and processing of appropriate wetting agent in the vapor phase.
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