Method for preparation of diffusion sheet
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United States of America Patent
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Apr 20, 2010
Grant Date -
Dec 4, 2008
app pub date -
May 30, 2007
filing date -
May 30, 2007
priority date (Note) -
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Abstract
A low cost and simple method for preparation of diffusion sheets comprising the steps of swelling, wetting and dispersing nano-scale clay, toluene, and a dispersant to form a paint. The paint is then coated on a surface of a polymer substrate by a wet coating process to form a diffusion layer which includes the nano-scale clay as diffusion particles.
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