POLYMER COATED INORGANIC FINE PARTICLE AND METHOD FOR PREPARING THE SAME
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United States of America Patent
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Issued Date -
Jan 13, 2011
app pub date -
Dec 3, 2008
filing date -
Dec 4, 2007
priority date (Note) -
Abandoned
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Abstract
An object of the present invention is to provide a polymer coated magnetic fine polymer by coating an inorganic fine particle with a thin polymer layer under precise control of a polymerization reaction and a method for preparing the same. Onto a surface of the inorganic fine particle the iniferter is fixed and grafted chains are formed on the inorganic fine particle by a living radical polymerization using the iniferter as an initiator which is defined by the following chemical formula:(wherein X is a hydrophilic atomic group being capable of binding to a surface of the inorganic fine particle, R1 and R2 are each independently selected from a mono-valent hydrocarbyl group which is formed by removing one hydrogen atom from hydrocarbon.)
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