Polyelectrolyte Multilayer Films for Gas Separation and Purification
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United States of America Patent
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Apr 28, 2016
app pub date -
Jun 4, 2014
filing date -
Jun 4, 2013
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Abstract
A method includes coating a substrate to provide a separation substrate. In an embodiment, the method includes exposing the substrate to a cationic solution to produce a cationic layer deposited on the substrate. The cationic solution comprises cationic materials. The cationic materials comprise a polymer, a colloidal particle, a nanoparticle, a nitrogen-rich molecule, or any combinations thereof. The method further includes exposing the cationic layer to an anionic solution to produce an anionic layer deposited on the cationic layer to produce a layer comprising the anionic layer and the cationic layer. The anionic solution comprises a layerable material.
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