Process for the Production of Nanoparticles with Tailor-Made Surface Chemistry and Corresponding Colloids
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United States of America Patent
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Issued Date -
Jan 1, 2009
app pub date -
Oct 3, 2005
filing date -
Oct 4, 2004
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Abandoned
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Abstract
A process for the production of a suspension of crystalline and/or densified, surface-modified nanoscale particles in a dispersant. The process comprises: (a) heat-treating a suspension of amorphous or semicrystalline, non-surface-modified nanoscale particles in a first dispersant to obtain crystallized and/or densified particles; and (b) mechanically activating, in the presence of at least one modifying agent, the particles obtained according to (a) as a suspension in the first dispersant or in a different dispersant to obtain a suspension of crystalline and/or densified nanoscale particles which are surface-modified by the at least one modifying agent.
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