Polysulfone membranes demonstrating asymmetric diode-like water permeability and their applications

Edward Bormashenko; Sagi Balter; Alexander Malkin; Doron Aurbach

doi:10.1002/mame.201200421

Polysulfone membranes demonstrating asymmetric diode-like water permeability and their applications

Edward Bormashenko, Sagi Balter, Alexander Malkin, Doron Aurbach

Department of Chemical Engineering

Research output: Contribution to journal › Article › peer-review

17 Scopus citations

Abstract

Polysulfone membranes strongly hydrophobic from one side and hydrophilic from the other side are reported. The membranes demonstrate diode-like water permeability. The membranes are obtained by the breath figures self-assembly with micro-scaled stainless steel gauzes used as carrying supports. Hydrophilicity is achieved by exposure of one side of the membrane to UV light. Hydrophobicity of the non-treated side of membranes is strengthened by the Cassie-Baxter wetting. Asymmetric polysulfone membranes strongly hydrophobic from one side and hydrophilic from the other side are reported. The membranes demonstrate diode-like water permeability. The membranes are obtained by the breath figures self-assembly. Hydrophilicity is achieved by exposure of one side of the membrane to UV light. Hydrophobicity of the non-treated side of membranes is strengthened by the Cassie-Baxter wetting.

Original language	English
Pages (from-to)	27-30
Number of pages	4
Journal	Macromolecular Materials and Engineering
Volume	299
Issue number	1
DOIs	https://doi.org/10.1002/mame.201200421
State	Published - Jan 2014

Keywords

membranes
polysulfone
stimuli-sensitive polymers
surfaces
wetting

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10.1002/mame.201200421

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AU - Balter, Sagi

AU - Malkin, Alexander

AU - Aurbach, Doron

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Polysulfone membranes demonstrating asymmetric diode-like water permeability and their applications

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