Electrophoretic Deposition of Zeolite 5A for Use in Supported Gas Separation Membranes

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Electrophoretic deposition was investigated as a procedure for preparing supported membranes of zeolite 5A for use in gas separations. In particular, the addition of polyethylene imine (PEI) to the non-aqueous bath was explored as means of improving gas separation selectivity, deposit morphology, and adhesion. It was found that the addition of PEI improved all of these qualities. Post-deposition treatments such as baking and coating with polystyrene were also studied.

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39-44

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July 2006

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© 2006 Trans Tech Publications Ltd. All Rights Reserved

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