Nanoparticles with controlled architecture and method thereof
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United States of America Patent
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May 26, 2009
Grant Date -
Jun 21, 2007
app pub date -
Dec 16, 2005
filing date -
Dec 16, 2005
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Abstract
The present invention provides polymer nanoparticles with a controlled architecture of nano-necklace, nano-cylinder, nano-ellipsoid, or nano-sphere. The polymer nanoparticle comprises a core polymerized from multiple-vinyl-substituted aromatic hydrocarbons, a shell polymerized from alkyl-substituted styrene, and a polystyrene layer between the core and the shell. The present invention also provides a method of preparing the polymer nanoparticles and a rubber article such as a tire manufactured from a formulation comprising the polymer nanoparticles.
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