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On the preparation of precursors and carriers of nanoparticles by water jet technology
 Sitek, Libor ; Foldyna, Josef ; Martinec, Petr ; Klich, Jiří ; Mašláň, M.
High-speed water jet expanded into many fields of human activity over three decades due to its unique properties. Besides already traditional technological processes (cutting, machining, cleaning, demolition, etc.) it begins to find its way also to the comminution of mineral particles. The paper analyzes the possibility of particle comminution using an abrasive mixing head used to generate high-speed abrasive water jet and an impact of the jet to the solid perpendicular target made 256 from tungsten carbide. Phyllosilicate (i.e. layered silicate) particles of both micron and submicron sizes were made by this method. The particles are disintegrated along the cleavage surfaces. The method avoids the formation of secondary structural defects which is in contrast to mechanical methods of particles comminution (such as planetary milling, ball milling, milling by pressure air etc.).
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