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Composition for forming an optically transparent, superhydrophobic coating

United States Patent

9,221,076
December 29, 2015
View the Complete Patent at the US Patent & Trademark Office
Oak Ridge National Laboratory - Visit the Partnerships Directorate Website
Superhydrophobic Thin Film Coatings
A composition for producing an optically clear, well bonded superhydrophobic coating includes a plurality of hydrophobic particles comprising an average particle size of about 200 nm or less, a binder at a binder concentration of from about 0.1 wt. % to about 0.5 wt. %, and a solvent. The hydrophobic particles may be present in the composition at a particle concentration of from about 0.1 wt. % to about 1 wt. %. An optically transparent, superhydrophobic surface includes a substrate, a plurality of hydrophobic particles having an average particle size of about 200 nm or less dispersed over the substrate, and a discontinuous binder layer bonding the hydrophobic particles to the substrate, where the hydrophobic particles and the binder layer form an optically transparent, superhydrophobic coating.
Simpson; John T. (Clinton, TN), Lewis; Linda A. (Andersonville, TN)
UT-BATTELLE, LLC (Oak Ridge, TN)
12/ 938,044
20120107581
November 2, 2010
FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT This invention was made with government support under Contract No. DE-AC05-000R22725 awarded by the Department of Energy. The government has certain rights in this invention.