Process for producing optical article
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United States of America Patent
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Jul 30, 2013
Grant Date -
Jan 6, 2011
app pub date -
Sep 16, 2010
filing date -
Sep 28, 2005
priority date (Note) -
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Abstract
The present invention provides a process for producing an optical article, comprising mixing fullerene with a thermoplastic resin powder, pelletizing the mixture using a multiaxial extruder, and injection-molding the pellets, wherein the fullerene is fullerene having a carbon number of 70 or a derivative thereof, and has an average particle diameter of 5 μm or less. An object of the present invention is to provide a process for producing a lens suitable in sunglasses or anti-glare spectacles which reduces blue hazard, and by which a blue signal can be confirmed visually, and an optical filter, and an optical article which can cut at least a part of visible light of 380 to 500 nm.
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