Transparent film, and method for producing transparent film
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United States of America Patent
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Apr 17, 2018
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N/A
app pub date -
Sep 30, 2015
filing date -
Oct 7, 2014
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Abstract
The present invention provides a transparent film with an excellent anti-fog property. The transparent film of the present invention includes: a base film provided on a surface with projections formed at a pitch equal to or shorter than the wavelength of visible light; and hydrophilic fine particles each having a particle size in the range of 15% to 50% of the pitch of the projections, the hydrophilic fine particles being held in gaps between the projections while being in contact with the projections, the hydrophilic fine particles held in the gaps between the projections being separated by spaces from bottoms of the gaps, the spaces forming channels on the surface.
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