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COMPOSITE, NANOSTRUCTURED, SUPER-HYDROPHOBIC MATERIAL

United States Patent Application

20080296252
A1
View the Complete Application at the US Patent & Trademark Office
Oak Ridge National Laboratory - Visit the Partnerships Directorate Website
A method of making a hydrophobic, disordered composite material having protrusive surface features includes the following steps: making a disordered composite body comprised of a recessive phase and a protrusive phase, the recessive phase having a higher susceptibility to a preselected etchant than the protrusive phase; treating a surface of the composite body with the preselected etchant so that the protrusive phase protrudes from the surface to form a plurality of protrusive surface features and the recessive phase defines a recessive surface between the surface features; and applying a hydrophobic coating to the protrusive surface features.
D'Urso, Brian R. (Clinton, TN), Simpson, John T. (Clinton, TN)
UT-BATTELLE, LLC (Oak Ridge TN)
11/ 463,964
August 11, 2006
[0001] The United States Government has rights in this invention pursuant to contract no. DE-AC05-00OR22725 between the United States Department of Energy and UT-Battelle, LLC.