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Enhanced decomposition of laminated ammonium …

Well-dispersed ultrafine Mn3O4 nanoparticles on graphene as a promising catalyst for the thermal decomposition of ammonium perchlorate. …


Combustion Response of Ammonium Perchlorate …

Well-dispersed ultrafine Mn3O4 nanoparticles on graphene as a promising catalyst for the thermal decomposition of ammonium perchlorate. Carbon, Vol. 54. Composite Rocket Propellants. 20 July 2012. A facile one-step method to produce Ni/graphene nanocomposites and their application to the thermal decomposition of ammonium perchlorate.


Amateur Rocketry Motor (Engine) Propellant

In rocketry, the propellant is compressed or cast into large forms just smaller than the motor diameter. A motor may use one to as high as seven or more grains in a motor or the propellant may be cast directly into the motor (case …


Method of producing ground fraction of ammonium …

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.


Studies on composite solid propellant with tri-modal ...

Studies on composite solid propellant with tri-modal ammonium perchlorate containing an ultrafine fraction K.V. Suresh Babu a, *, P. Kanaka Raju a, C.R. Thomas b, A. Syed Hamed a, K.N. Ninan c a ...


Fabrication of Co3O4/graphene oxide composites using ...

The composites exhibit a special catalytic effect for the thermal decomposition of ammonium perchlorate due to the combination of G-O sheets and Co 3 O 4 NPs. This supercritical fluid method could be further extended to synthesize other G-O or graphene-based metal oxide composites using appropriate metal precursors.


The Ignition of Ultra-Fine Aluminum in Ammonium …

A preliminary experimental investigation was carried out to investigate the ignition of ultrafine aluminum (UFAl) compared to conventional sized aluminum (CSAl) particles in …


Preparation and characterization of ultra-fine ammonium ...

The common methods used for the preparation of ultrafine ammonium perchlorate (AP) crystals are physical and recrystallization methods. These methods are associated with several limitations, including strong vibrations or friction during the preparation process that can be hazardous, as well as high energy consumption, high process cost, and rigorous preparation conditions.


Multidimensional Numerical Simulation of Ammonium ...

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Preparation of nano-Cu-Fe composite metal oxides via a mechanical grinding method and its catalytic performance for the thermal decomposition of ammonium perchlorate[J]. Combustion Science and Technology. 2019, 10.1080/00102202.2019.1679125.


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8.Well-dispersed ultrafine Mn3O4nanoparticles on graphene as a promising catalyst for the thermal decomposition of ammonium perchlorate"Carbon,2013,54,124-132. 9.Three-Dimensional MoS2Hierarchical Nanoarchitectures Anchored into a Carbon Layer as Graphene Analogues with Improved Lithium Ion Storage Performance,Chemistry – An Asian Journal,2013,on line.


Preparation and characterization of ultra-fine ammonium ...

The common methods used for the preparation of ultrafine ammonium perchlorate (AP) crystals are physical and recrystallization methods. These methods are associated with several limitations, including strong vibrations or friction during the preparation process that can be hazardous, as well as high energy consumption, high process cost, and rigorous …


Development of Ultrafine Ammonium Perchlorate …

Ultrafine ammonium perchlorate UFAP handling, storage, and shipping properties were investigated with respect to product coatings, solid propellant formulation processing and rocket ballistic parameters. Approximately 40 compounds were evaluated and six materials were identified that protect UFAP from particle growth during storage and handling.


Chemical Industry | Rieco Industries

RIECO manufactures machinery for various chemical process industries. We have successfully executed 300+ projects in the chemical industry till date in domestic and overseas markets. Our machinery is used in the manufacturing of a variety of products including cosmetics, soaps, healthcare products, inks, paints, colour dispersions and similar ...


Ammonium perchlorate - Safety - Forum

Ammonium perchlorate, and acetone peroxide. The latter is much more sensitive, and has no use in actual pyrotechnics. It's more of a high explosive. Thanks for your advice Mumbles, Ammonium perchlorate is what I had in mind. Acetone peroxide is out of my interest as it is very dangerous. I will use coffee grinder.


- Nanjing University of Science and Technology

Template-assisted synthesis of 3D ordered macroporous structuredCuO as catalyst for ammonium perchlorate[J]. Functional Materials Letters, 2017, 10, 1750030-1750033. [34] Yaru Lai, Suyun Wang, Danlin Qian, Suting Zhong, Yanping Wang, Sujuan Han, .


(PDF) Development Of Ultrafine Ammonium Perchlorate ...

Ultrafine ammonium perchlorate (UFAP) handling, storage, and shipping properties were investigated with respect to product coatings, solid propellant formulation processing and rocket ballistic parameters. Approximately 40 compounds were evaluated and six materials were identified that protect UFAP from particle growth during storage and handling.


Coated ammonium perchlorate - Aerojet-General …

Ten pounds of unground ammonium perchlorate (180) was added to the Vibro-Energy Mill which contained 42 lbs. 12 oz. of FREON-113 (1, 1, 2 - trifluoro - 1, 2, 2-trichloroethane) and 200 lbs. of 1/2 inch × 1/2 inch alumina cylinder grinding media. 22-7 grams of butylene imine adduct of divinylbenzene in 150 ml methylene chloride was then added ...


Rocket propellants - PyroData

Ammonium perchlorate (200 micron) 20 . Resin (Epon 815 epoxy & curing agent U) 1 . Copper chromite. Rocket propellant (American) Composition. 59 . Potassium nitrate. 10 . Sulfur. 31 . Charcoal (150 mesh) Rocket propellant (Barr strobe) Composition. 60 . Ammonium perchlorate. 15 . Barium sulfate. 23.5 .


SAFETY DATA SHEET - Ammonium perchlorate

Ammonium Perchlorate Revision Date 19-Jun-2018 Section 11. Toxicological information Section 12. Ecological information Acute Toxicity Product Information Component Information Component LD50 Oral LD50 Dermal LC50 Inhalation Ammonium Perchlorate LD50 = 4200 mg/kg ( Rat ) LD50 > 3500 mg/kg ( Rat ) Not listed Toxicologically Synergistic Products


Significantly Enhanced Thermal Decomposition of ...

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 …


Thermal decomposition of ammonium perchlorate by …

As an excellent oxidizer, ammonium perchlorate (AP, NH 4 ClO 4) often accounts for > 60% mass of solid propellants because its combustion produces large amounts of hot gases.Nanomaterials are readily applied to enhance the burning rate of solid propellants because of their small particle size, large specific surface area, and abundant catalytic sites.


Method for preparing small particle size coated …

Another object of this invention is to provide a method for grinding and coating ammonium perchlorate with an aziridine compound. A further object of this invention is to provide an ultrafine ammonium perchlorate that is coated with an aziridine compound and that has particle sizes ranging from about 0.25 to about 5.0 micrometers, ...


Size effect in laser-induced initiation of a ... - Springer

The energy thresholds and ignition delays of pressed samples of a stoichiometric pyrotechnical mixture of ammonium perchlorate and ultrafine aluminum are studied as functions of the diameter of the laser spot created by a millisecond laser pulse. A clearly expressed size effect is found. A characteristic size determining the boundary between the wide and narrow beams …