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Preparation of asymmetric porous materials

United States Patent

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April 7, 2020
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As asymmetric porous film structure formed by depositing a porous material film on a flexible substrate, and applying an anisotropic stress to the porous media on the flexible substrate, where the anisotropic stress results from a stress such as an applied mechanical force, a thermal gradient, and an applied voltage, to form an asymmetric porous material.
March 25, 2015
B32B 5/18 (20060101); B82Y 30/00 (20110101); B01D 53/22 (20060101); B01D 71/02 (20060101); B29C 67/20 (20060101); B01D 67/00 (20060101); B29C 44/56 (20060101);
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT This invention was made with Government support under Contract No. DE-AC04-94AL85000 awarded by the Department of Energy. The Government has certain rights in the invention.