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    Relation between structure and gas transport properties of polyethylene oxide networks based on crosslinked bisphenol A ethoxylate diacrylate

    Access Status
    Fulltext not available
    Authors
    Richards, J.
    Danquah, Michael
    Kalakkunnath, S.
    Kalika, D.
    Kusuma, V.
    Matteucci, S.
    Freeman, B.
    Date
    2009
    Type
    Journal Article
    
    Metadata
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    Citation
    Richards, J. and Danquah, M. and Kalakkunnath, S. and Kalika, D. and Kusuma, V. and Matteucci, S. and Freeman, B. 2009. Relation between structure and gas transport properties of polyethylene oxide networks based on crosslinked bisphenol A ethoxylate diacrylate. Chemical Engineering Science. 64 (22): pp. 4707-4718.
    Source Title
    Chemical Engineering Science
    DOI
    10.1016/j.ces.2008.11.026
    ISSN
    0009-2509
    School
    Curtin Sarawak
    URI
    http://hdl.handle.net/20.500.11937/32414
    Collection
    • Curtin Research Publications
    Abstract

    Poly(ethylene oxide) (PEO) networks prepared from the photopolymerization of bisphenol A ethoxylate diacrylate (BPA-EDA) have been investigated as a function of crosslinker molecular weight and copolymer composition. Dynamic mechanical and dielectric methods have been used to elucidate the thermal relaxation characteristics of the polymers as a function of network composition and architecture, and these properties were related to measured gas transport for CO2 separations. Copolymerization strategies involving the insertion of flexible PEG side chains along the network backbone proved effective in enhancing network free volume and increasing permeability. The gas transport performance of rubbery amorphous membranes based on the n=15 BPA-EDA crosslinker (i.e., crosslinker encompassing 30 ethylene oxide repeat units between crosslinks) compared favorably to model polymers synthesized from poly(ethylene glycol) diacrylate. © 2008 Elsevier Ltd. All rights reserved.

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