Micro nanoporous membrane, preparing method thereof and microfluidic device using thereof
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United States of America Patent
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Aug 18, 2020
Grant Date -
Sep 28, 2017
app pub date -
Feb 28, 2017
filing date -
Feb 29, 2016
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Abstract
A method for preparing a nanoporous membrane includes alternatively repeating, on the surface of a porous substrate, the laminating of a hydrophilic homopolymer and the laminating of an amphiphilic block or graft copolymer to provide a polymer multilayer film in which the alternative laminate of the hydrophilic homopolymer and the amphiphilic block or graft copolymer is formed. The polymer multilayer film is annealed to form a microphase separated polymeric membrane. The laminating of a hydrophilic homopolymer and the laminating of a supramolecular structure compound are alternatively repeated, on the surface of the polymeric membrane, to form the alternative laminate of the hydrophilic homopolymer and the supramolecular structure compound.
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