Fine electret particles and process for producing same
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United States of America Patent
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Dec 6, 2016
Grant Date -
May 29, 2014
app pub date -
May 2, 2012
filing date -
May 13, 2011
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Abstract
The present invention provides uniformly electrified electret fine particles having excellent electrophoretic properties. Specifically, the present invention provides a core-shell electret fine particle comprising a core part and a shell part, the core part containing a material that has an ability to disperse a pigment therein, the shell part containing an electret resin, and the electret resin being a fluorine-containing resin and being electretized by electron ray irradiation, radial ray irradiation, or corona discharge treatment.
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