Yu ZX, Lu LD, Yang XJ, Wang X. Study on in situ catalytic thermal decomposition of ammonium perchlorate over CuC 2 O 4. Chin J Inorg Chem. 2010;26:2155–9. CAS Google Scholar 12. Zheng XD, Li P, Zheng SL, Zhang Y. Thermal decomposition of ammonium perchlorate in the presence of Cu(OH) 2 ∙2Cr(OH) 3 nanoparticles. Powder Technol. …

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 …

An ultrafine ammonium perchlorate (AP) powder and nanosized aluminum were produced by mechanical activation and investigated using electron and atomic force microscopy and X-ray powder and thermal ...

The combustion characteristics of Ammonium Perchlorate (AP) monopropellant have been revisited. The use of silica grease to prevent heat loss from the sides of the pellet and the ignition methodology opened up new area; one of them being the low pressure deflagration limit (LPDL) of AP itself and the other being the burn rate of AP at different pressures.

A method for preparing ultrafine particle size ammonium perchlorate that has weight median diameters ranging from about 0.25 to about 5.0 micrometers and that is coated with an aziridine compound, said method comprising: i. charging a predetermined amount of unground ammonium perchlorate into a vibro-energy grinding mill;

The ultra-fine particles formed are suitable for use in propellant formulations. Sub-micron particle size ammonium perchlorate particles are made by mixing a solution of ammonium perchlorate in a...

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Ammonium perchlorate preparation method preparation-of-combined-ammonium-perchlorate-ammonium 1/1 Downloaded from on September 24, 2020 by guest Read Online Preparation Of Combined Ammonium Perchlorate Ammonium Getting the books preparation of combined ammonium perchlorate ammonium now is not type of inspiring …

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 divinylbenzene adduct propellant coating Prior art date Legal status (The legal status is an assumption …

A technical solution is achieved due to the fact that the sample ultrafine fraction ammonium perchlorate particles free of the grinding bodies or her suspension is treated with dimethylformamide in a weight ratio of 1: (5 8), emit a residue free, add toluene, measure the time of deposition of the larger particles free through the layer of ...

Uniaxial compession test for ultrafine (UF) ammonium perchlorate (AP) with flow additives after 24-h preconsolidation (A) and 48-h preconsolidation (B). With the help of the foregoing figures it can be concluded that fumed silica improved the flow behavior of fine and ultrafine AP. Unconfined yield strength was reduced by more than half while ...

Coarse ammonium perchlorate is added to the system in the form of either particles or pressed-ammonium perchlorate laminates (simulated coarse ammonium perchlorate).

The method of making ultra-fine ammonium perchlorate particles which comprises preparing an aqueous solution of ammonium perchlorate containing a surface active agent, spraying said solution on a thin, moving film of a water-immiscible, volatile, organic liquid at a temperature below the freezing point of said solution to form a slurry'of ice crystals and ultra-fine …

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Ultrafine Mill,Ultra fine grinding Mill,Ultrafine Grinder. ultrafine grinding mill is the equipment specializing in producing fine and superfine powder of non inflammable,non explosive and brittle materials with Mohs's hardness under six,such as calcite,chalk,limestone,dolomite,kaolin,bentonit.

Various catalysts have been used to improve the thermal decomposition characteristics of AP (especially nanomaterials), which can significantly accelerate the decomposition of ammonium perchlorate [22, 25, 26]. Ammonium nitrate has entered people's field of vision, which is a halogen-free oxidant. It has a wide range of sources and low cost.

ammonium nitrate grinding mill; ammonium nitrate ... 5 Mar 2014 powder air milling of ammonium perchlorate Grinding Mill China equipment for small scale calcium ... Inquire Now Ammonium perchlorate has been pulverised by an impact mill (air classifier mill) to Keywords: Ammonium perchlorate, grinding, air classifier mill, composite.

Method for making coated ultra-fine ammonium perchlorate particles and product produced thereby: : Mangum et al. 3892610: Freeze drying process of making ultra-fine ammonium perchlorate and product ... planetary mixer, grinder, or other suitable mixing apparatus or means for mixing solids and/or solids and liquids such as are known in ...

For ammonium perchlorate should not be used as a catalyst copper or brass grids in connection with the increase of its sensitivity to mechanical impact (impact and friction). The closest analogue of the claimed invention is a Method of waterproofing ammonium perchlorate" (patent RF №2211207), selected by the authors as a prototype.

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.

In this article, nano-CuCr2O4 (copper chromite)/ultrafine ammonium perchlorate (AP) composites were prepared by a ultrasonic dispersion method and a mechanical grinding method. A series of nano ...

ultrafine grinder for ammonium perclorate - csdpmap.eu. ultrafine grinder for ammonium perclorate - makabsworg air classifying mill ammonium perchlorate - YouTube 5 Mar 2014, air classifying mill ammonium perchlorate Grinding Mill …

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Nanometer (nano) ammonium perchlorate (AP) and ammonium nitrate (AN) were prepared with 2D network structures by the ultra-low temperature spray method. Scanning electron microscopy (SEM), X-ray diffractometry (XRD), differential scanning calorimetry (DSC) and thermogravimetric analysis/infrared spectrometry (TG-IR) were employed to probe the …

Composite solid propellant is prepared using tri-modal Ammonium perchlorate (AP) containing coarse, fine and ultrafine fractions of AP with average particle size (APS) 340, 40 and 5 μm ...

1. Introduction. Energetic materials (EMs), including propellants, explosives and pyrotechnics (i.e. composite EMs), are widely used in the military and civil applications .In pyrotechnics, nano-aluminum fuel is mixed with different important metal oxide such as CuO, Co 3 O 4, MoO 3, WO 3.While in propellants or explosives, the currently used EMs include …

Raymond Mill Ammonium Perchlorate. Ammonium perchlorate grinding by hammer mill ammonium perchlorate grinding by hammer mill mining dec 25 2012 grinding mill for ammonium nitrate ammonium salt grinding mill machineryscm super thin ammonium salts of nitrate and especially perchlorate are hammer mills impact mills price.

To reduce the mechanical sensitivity of ultra-fine ammonium perchlorate (AP), a surface modification of ultra-fine AP was performed by jet mill and …

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.

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Ge Z, Li X, Zhang W et al. (2018) Preparation and characterization of ultrafine Fe-O compound/ammonium perchlorate nanocomposites via in-suit growth method. J Solid State Chem 258:138–145. CAS Google Scholar 24. Hao G, Li H, Mao C, et al (2019) Preparation of nano-Cu-Fe composite metal oxides via a mechanical grinding method and its catalytic ...

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SURFACE MODIFICATION OF ULTRA-FINE AMMONIUM PERCHLORATE AND ITS INFLUENCE ON PROPELLANT PROPERTIES Fengsheng Li, Hongchang Song and Shulin Chen Department of Chemical Engineering, East China Institute of Technology, Nanjing, 210014, China Ultra-fine ammonium perchlorate (UFAP, d=0.5-l ßm) is directly produced by a new …

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 …

The Ignition of Ultra-Fine Aluminum in Ammonium Perclorate Solid Propellant Flames. ... Surface layer dynamics in the pyrolysis of ammonium perchlorate-hydrocarbon binder propellants. Combustion, Explosion, and Shock Waves, Vol. 36, No. 5. 2D model for unsteady burning heterogeneous AP/binder solid propellants.