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SLIPPERY LIQUID-INFUSED POROUS SURFACES HAVING IMPROVED STABILITY

United States Patent Application

20150196940
A1
View the Complete Application at the US Patent & Trademark Office
Methods and articles disclosed herein relate to liquid repellant surfaces having selective wetting and transport properties. An article having a repellant surface includes a substrate comprising surface features with re-entrant curvature and an immobilized layer of lubricating liquid wetting over the surface features. The surface features with re-entrant curvature can be designed to provide high repellency even after failure or removal of the immobilized layer of lubricating liquid under certain operating conditions.
Aizenberg, Joanna (Boston, MA), Vogel, Nicolas (Cambridge, MA)
14/ 414,684
July 12, 2013
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT [0006] This invention was made with government support under Award Number DE-AR0000326 awarded by Advanced Research Projects Agency-Energy (ARPA-E), U.S. Department of Energy and under Award Number FA9550-09-1-0669-DOD35CAP awarded by the U.S. Air Force. The government has certain rights in the invention.