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Interrelation between the structural and transport properties of pervaporation membranes with diffusion layers based on poly-γ-benzyl-L-glutamate

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Abstract

The interrelation between the transport properties of pervaporation membranes (used to separate toluene-n-heptane mixtures) and the structure of poly-γ-benzyl-L-glutamate diffusion layers has been studied. The decrease in the membrane selectivity while increasing the flux at the transition from 3 to 50 wt % toluene in the mixture under separation is accompanied by a change in the ordered structure of poly-γ-benzyl-L-glutamate structure without variation in the α-helical conformation of the polypeptide chain.

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Authors and Affiliations

  1. Institute of Macromolecular Compounds, Russian Academy of Sciences, St. Petersburg, Russia

    S. V. Kononova, R. V. Kremnev, Yu. G. Baklagina, B. Z. Volchek, E. N. Vlasova, B. M. Shabsels & K. A. Romashkova

  2. Institute of Silicate Chemistry, Russian Academy of Sciences, St. Petersburg, Russia

    D. P. Romanov

  3. ZAO Nauchnye Pribory, St. Petersburg, Russia

    S. N. Arkhipov & A. V. Bogomazov

  4. Institute of Chemical Process Fundamentals, Academy of Sciences of the Czech Republic, Prague, Czech Republic

    P. Uchytil

Authors
  1. S. V. Kononova
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  2. R. V. Kremnev
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  3. Yu. G. Baklagina
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  4. B. Z. Volchek
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  5. E. N. Vlasova
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  6. B. M. Shabsels
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  7. K. A. Romashkova
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  8. D. P. Romanov
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  9. S. N. Arkhipov
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  10. A. V. Bogomazov
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  11. P. Uchytil
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Corresponding author

Correspondence to S. V. Kononova.

Additional information

Original Russian Text © S.V. Kononova, R.V. Kremnev, Yu.G. Baklagina, B.Z. Volchek, E.N. Vlasova, B.M. Shabsels, K.A. Romashkova, D.P. Romanov, S.N. Arkhipov, A.V. Bogomazov, P. Uchytil, 2011, published in Kristallografiya, 2011, Vol. 56, No. 3, pp. 538–544.

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Kononova, S.V., Kremnev, R.V., Baklagina, Y.G. et al. Interrelation between the structural and transport properties of pervaporation membranes with diffusion layers based on poly-γ-benzyl-L-glutamate. Crystallogr. Rep. 56, 502–507 (2011). https://doi.org/10.1134/S1063774511030126

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  • DOI: https://doi.org/10.1134/S1063774511030126

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