Brightness enhancing film and methods of surface treating inorganic nanoparticles
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United States of America Patent
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Jun 16, 2009
Grant Date -
May 17, 2007
app pub date -
Nov 14, 2006
filing date -
Nov 15, 2005
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Abstract
Presently described are (e.g. brightness enhancing film) optical articles comprising the reaction product of a polymerizable resin and surface modified inorganic nanoparticles, methods of surface modifying inorganic nanoparticles, and surface modified inorganic nanoparticles. The surface treatment comprises at least one monocarboxylic acid having a refractive index of at least 1.50 and/or at least one monocarboxylic acid having a Mn of at least 200 g/mole and an ethylenically unsaturated group and/or at least one dicarboxylic acid.
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