METHOD OF MAKING ULTRA-FINE AMMONIUM PERCHLORATE PARTICLES

A method of making ultra-fine ammonium perchlorate particles by spraying an aqueous ammonium perchlorate solution containing a surface active agent onto a moving film of a refrigerated organic liquid to form fine frozen droplets in said film and recovering fine ammonium perchlorate particles from th...

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Bibliographische Detailangaben
Hauptverfasser:	ROGERS R,US, MURPHY J,US
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY COMPOUNDS THEREOF EXPLOSIVES EXPLOSIVES OR THERMIC COMPOSITIONS INORGANIC CHEMISTRY MANUFACTURE THEREOF MATCHES METALLURGY NON-METALLIC ELEMENTS PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION TRANSPORTING USE OF SINGLE SUBSTANCES AS EXPLOSIVES
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Beschreibung
Zusammenfassung:	A method of making ultra-fine ammonium perchlorate particles by spraying an aqueous ammonium perchlorate solution containing a surface active agent onto a moving film of a refrigerated organic liquid to form fine frozen droplets in said film and recovering fine ammonium perchlorate particles from the frozen droplets by freeze drying. The product particles have weight mean diameters of less than 1 micron and are especially useful in the manufacture of solid rocket propellants.