Resin Particles and Process for Producing the Same
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United States of America Patent
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Issued Date -
Sep 20, 2012
app pub date -
Nov 17, 2010
filing date -
Nov 18, 2009
priority date (Note) -
Abandoned
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Abstract
Provided are resin particles having an inorganic dispersing agent adhering to their surfaces and having a volume mean particle diameter of 1 to 1000 μm. The amount of the inorganic dispersing agent adhering to the resin particle surfaces is in the range of 0.0001 to 0.02 g/m2, said amount being determined by the following equation (I): Amount of inorganic dispersing agent adhering to resin particle surfaces=(amount of inorganic dispersing agent (part(s) by weight)/amount of polymerizable monomer (part(s) by weight))/resin particle specific surface area as measured by Mastersizer 2000 manufactured by Malvern Instruments Ltd. (I) (wherein the amount of the inorganic dispersing agent and the amount of the polymerizable monomer in the right-hand member of the equation (I) are each an amount introduced in the production of resin particles, and the amount of the polymerizable monomer is 100 parts by weight).
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