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    Effects of SIO2 nanoparticles on the structure of polyvinylidene fluoride ultrafiltration membrane

    218057_30754_Pub_59022.pdf (4.544Mb)
    Access Status
    Open access
    Authors
    Peng, Y.
    Ji, S.
    Wang, Shaobin
    Jiang, Q.
    Date
    2010
    Type
    Journal Article
    
    Metadata
    Show full item record
    Citation
    Peng, Y. and Ji, S. and Wang, S. and Jiang, Q. 2010. Effects of SIO2 nanoparticles on the structure of polyvinylidene fluoride ultrafiltration membrane. International Journal of Chemical Engineering. 3 (1): pp. 1-11.
    Source Title
    International Journal of Chemical Engineering
    ISSN
    0974-5793
    School
    Department of Chemical Engineering
    Remarks

    This open access article is distributed under the Creative Commons license http://creativecommons.org/licenses/by/4.0

    URI
    http://hdl.handle.net/20.500.11937/24566
    Collection
    • Curtin Research Publications
    Abstract

    In this paper we describe the process of adding SiO, nanoparticles into a polyvinylidene fluoride (PVDF) casting solution to prepare inorganic-organic hybrid membranes. The hybrid membrane performance was improved compared with that of a pure PVDF membrane. Tests showed that the pure water flux of the membrane was improved without the decrease in the retention rate. The addition of SiO, nanoparticles induced a strong increase in the viscosity and made the casting operation easier. The phase diagram shows that the addition of SiO, nanoparticles decreases the water tolerance of the solution, and thus speeds up the membrane formation process. The DSC curves also revealed that the degree of crystallinity of PVDF has obviously increased in the hybrid membrane.

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