The characterisation and use of polycation-exchanged bentonites

BREEN, C. (1999). The characterisation and use of polycation-exchanged bentonites. Applied Clay Science, 15 (1-2), 187-219.

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Link to published version:: https://doi.org/10.1016/S0169-1317(99)00024-1
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    Abstract

    The interaction of polymers with clays is considered with particular emphasis on the adsorption of polycations of the type [CH2CHOHCH2N(CH3)(2)](n)(n+) onto a low iron Texas bentonite, Westone-L (WL). The influence of clay type, particle size and resident cation on the amount of adsorbed polycation is reported along with variable temperature X-ray diffraction of the resulting complexes. The information obtained from Cs+- and Na+-WL suspensions using Cs-133 and Na-23 solution phase NMR is summarised and used to show that this technique can provide quantitative information regarding the displacement of Cs+-ions from the exchange sites by polycation in suspension and reflect subtle in situ changes intimated from Zeta potential measurements. The use of polycation-exchanged clays as scavengers of p-nitrophenol from water is described as is the significant activity of acid-treated polycation-exchanged clays for the catalytic isomersion of alpha-pinene to camphene and limonene. (C) 1999 Published by Elsevier Science B.V. All rights reserved.

    Item Type: Article
    Research Institute, Centre or Group - Does NOT include content added after October 2018: Materials and Engineering Research Institute > Polymers Nanocomposites and Modelling Research Centre > Polymers, Composites and Spectroscopy Group
    Identification Number: https://doi.org/10.1016/S0169-1317(99)00024-1
    Page Range: 187-219
    Depositing User: Jill Hazard
    Date Deposited: 14 May 2010 10:51
    Last Modified: 13 Jun 2017 12:46
    URI: http://shura.shu.ac.uk/id/eprint/1833

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