Wednesday, November 19, 2008: 8:30 AM-11:00 AM
Commonwealth B (Loews Philadelphia Hotel)

Nanoparticles (03d)

#429 - Nanoparticles by Mechanical Breakage and Size Reduction (03D06)
Nanoparticles can be synthesized by a wide range of mechanical methods. These methods include wet grinding, ultrasonication, erosion, fracture, and use of drying surface tension and hydrodynamic and hydrothermal methods. Control of nanoparticle size distribution and breakage kinetics are of importance to these processes. This session will focus on these mechanical methods and application of nanoparticles produced by such methods. The session will have particular emphasis on the kinetics of aggregate and agglomerate breakup.
Chair:Karsten Wegner
CoChair:Gregory Beaucage
8:30 AMParticle Breakage in the Nanometer Range
Catharina Knieke, Wolfgang Peukert
8:55 AMNanoparticle Milling and Encapsulation in Supercritical Carbon Dioxide Mixtures
Scott M. Paap, Michael S. Wolfe, Jefferson W. Tester
9:20 AMStability of Silica Nanoparticle Agglomerates
Martin Seipenbusch, Sonja Rothenbacher, Martin J. Kirchhof, Hans-Joachim Schmid, Alfred P. Weber, Gerhard Kasper
9:45 AMHigh Shear De-Agglomeration of Nanoparticle Agglomerates in Stirred Tanks
Micaela Caramellino, Piero M. Armenante

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