Please use this identifier to cite or link to this item: https://hdl.handle.net/2440/75434
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Type: Journal article
Title: Bioinspired fabrication of high performance composite membranes with ultrathin defect-free skin layer
Author: Pan, F.
Jia, H.
Qiao, S.
Jiang, Z.
Wang, J.
Wang, B.
Zhong, Y.
Citation: Journal of Membrane Science, 2009; 341(1-2):279-285
Publisher: Elsevier Science BV
Issue Date: 2009
ISSN: 0376-7388
1873-3123
Statement of
Responsibility: 
Fusheng Pan, Huiping Jia, Shinzhang Qiao, Zhongyi Jiang, Jingtao Wang, Baoyi Wang and Yurong Zhong
Abstract: Inspired by the bioadhesion principle, composite membranes with ultrathin, defect-free skin layer (about 10-90 nm) were fabricated by simply dipping the porous hollow fiber support layer into an aqueous alkaline dopamine solution. The thickness and compactness of the skin layer were conveniently tuned by varying dipping conditions (dopamine concentration, soaking time, and pH values). The as-prepared membranes displayed strong interfacial binding strength, well-defined free volume characteristics, and consequently superior dehumidification performance. The dehumidification experiments using water vapor/propylene as model showed that the water permeance and separation factor were 9316.7 GPU and infinite for the composite membranes fabricated at the dopamine concentration 2 mg ml-1 and the pH 9.4. © 2009 Elsevier B.V. All rights reserved.
Rights: Copyright © 2009 Elsevier B.V. All rights reserved.
DOI: 10.1016/j.memsci.2009.06.020
Published version: http://dx.doi.org/10.1016/j.memsci.2009.06.020
Appears in Collections:Aurora harvest
Chemical Engineering publications

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