Abstract
Novel liquid membranes, which are named polymeric pseudo-liquid membranes, were constructed, using poly(2-ethylhexyl methacrylate), which showed rubbery state under operation conditions, as a membrane matrix. Dibenzo-18-crown-6 (DB18C6) was adopted as a model transporter and membrane transport performance through those polymeric pseudo-liquid membranes was investigated, adopting KCl as a model substrate. Poly(2-ethylhexyl methacrylate), P2EHMA, gave selfstanding liquid membranes under the experimental conditions, of which operation temperature was above its glass transition temperature. The polymeric pseudo-liquid membranes showed transport ability of KCl. The flux value was linearly increased with the increase in DB18C6 content in the membrane and the membrane transport ability was greatly dependent on not only the molecular weight of membrane matrix, P2EHMA, but also the operation temperature. The present paper suggested that polymeric pseudo-liquid membranes are applicable to membrane separation as one of liquid membrane transport systems.
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Unpublished data; part of results has been presented at ICOM2005 (Tu04E-1) and the Membrane Symposium 2004 (201) of the Membrane Society of Japan.
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Naito, D., Yoshikawa, M., Maeda, S. et al. Polymeric Pseudo-Liquid Membranes from Poly(2-ethylhexyl methacrylate). Polym J 41, 1005–1010 (2009). https://doi.org/10.1295/polymj.PJ2009113
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DOI: https://doi.org/10.1295/polymj.PJ2009113