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MAGNETIC NANOTUBE COMPOSITE MEMBRANES

United States Patent Application

20170203256
A1
View the Complete Application at the US Patent & Trademark Office
The invention provides a membrane comprising tubes extending through a polymer, wherein substantially all of the tubes are parallel with each other. Also provided is a method for producing a membrane, the method comprising: placing tubes on a substrate, subjecting the tubes to a magnetic field for a time and at a magnetic field strength to cause the tubes to align parallel with each other while simultaneously causing depending ends of the tubes to embed within the substrate; applying polymer to the tubes and substrate in an amount to affix the tubes relative to each other and relative to the substrate, and applying an etchant that cleaves a specific type of the bonds within the polymer to unblock the upstream ends of the nanotubes.
CHEN, Xing (Plainfield, IL), IGNACIO-DE LEON, Patricia (Naperville, IL), RABE, Emily Jane (Hawthorn Woods, IL), URGUN-DEMIRTAS, Meltem (Naperville, IL), Brotzman, Richard W. (Naperville, IL)
UCHICAGO ARGONNE, LLC (Chicago IL)
15/ 000,801
January 19, 2016
[0001] The U.S. Government has rights in this invention pursuant to Contract No. DE-AC02-06CH11357 between the U.S. Department of Energy and UChicago Argonne, LLC, representing Argonne National Laboratory.