UV-scattering inorganic/polymer composite particles and a method for preparing the same
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United States of America Patent
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Jul 24, 2007
Grant Date -
May 15, 2003
app pub date -
May 31, 2002
filing date -
Aug 29, 2001
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Abstract
There are provided inorganic/polymer composite particles having good UV-scattering efficiency and improved dispersion stability in organic formulation; and a method for preparing the same, which comprises the following steps of (1) dispersing hydrophobic-treated inorganic particles in monomer and then adding initiator thereto; (2) emulsifying the inorganic dispersion of step (1) in presence of surfactant and dispersion stabilizer; and (3) suspension polymerizing the inorganic/monomer emulsion of step (2), to give inorganic/polymer composite particles.
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