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Redox-responsive polymeric membranes via supermolecular host-guest interactions
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2015 (English)In: Journal of Membrane Science, ISSN 0376-7388, Vol. 480, 139-152 p.Article in journal (Refereed) Published
Abstract [en]

Redox-responsive materials have attracted much attention, and redox-responsive membrane is strongly desired since enormous numbers of redox reactions carry out in living systems. Herein, a novel polymeric membrane with redox-resposive hydraulic permeability is fabricated by introducing a reversible redox-responsive system based on the host guest complex between ferrocene (Fc) and beta-cyclodextrin (1 CD) into polyethersulfone (PES) membrane. As the result of reversible radox-responsive formation or deformation of the complex, the water flux for the membrane with 18.3 wt% redox-responsive materials was 270 mL/m(2) mmHg h in original state, while increased to 1022 mL/m(2) mmHg h in oxidation state and decreased to 538 mL/m(2) mmHg h in reduction state. In addition, the results of water contact angle, surface zeta potential and the gas flow/liquid displacement confirmed that the origin of the reclox-responsive hydraulic permeability were the change of the pore size and porosity for the modified membranes. The redox-responsive membranes have great potential to be utilized in the Fields of chemical detection, drug delivery, biological treatments and so On.

Place, publisher, year, edition, pages
2015. Vol. 480, 139-152 p.
Keyword [en]
Redox-responsibility, Permeability, Polyethersulfone membrane, Ferrocene, beta-cyclodextrin
National Category
Polymer Chemistry
URN: urn:nbn:se:kth:diva-163942DOI: 10.1016/j.memsci.2015.01.050ISI: 000350851300015ScopusID: 2-s2.0-84925004585OAI: diva2:810527

QC 20150507

Available from: 2015-05-07 Created: 2015-04-13 Last updated: 2015-05-07Bibliographically approved

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Zhao, Weifeng
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Fibre and Polymer Technology
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