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Synthesis and morphology of polycaprolactone–block-polyimide–block-polycaprolactone triblock copolymers for film separation membranes

Russian Journal of Applied Chemistry volume 90, pages 602–612 (2017)Cite this article

Abstract

Triblock copolymers with the central polyimide block and peripheral polycaprolactone blocks were synthesized by controlled ring-opening anionic coordination polymerization of ε-caprolactone on polyimide macroinitiators with terminal hydroxy groups. The chemical structure of the products was determined by spectroscopic methods, and the molecular-mass characteristics of the triblock copolymers and their separate blocks were determined by size-exclusion chromatography. Examination of the phase morphology of strong self-supporting films formed from the copolymer solutions revealed microphase segregation on the nanometer level in the films.

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Authors and Affiliations

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

    T. K. Meleshko, A. V. Kashina, N. N. Saprykina & A. V. Yakimanskii

  2. Research Institute of Physicochemical Problems, Belarussian State University, Minsk, Belarus

    S. V. Kostyuk, I. V. Vasilenko & P. A. Nikishev

  3. Institute of Chemistry, St. Petersburg State University, St. Petersburg, Russia

    A. V. Yakimanskii

Authors
  1. T. K. Meleshko
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  2. A. V. Kashina
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  3. N. N. Saprykina
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  4. S. V. Kostyuk
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  5. I. V. Vasilenko
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  6. P. A. Nikishev
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  7. A. V. Yakimanskii
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Corresponding author

Correspondence to A. V. Yakimanskii.

Additional information

Original Russian Text © T.K. Meleshko, A.V. Kashina, N.N. Saprykina, S.V. Kostyuk, I.V. Vasilenko, P.A. Nikishev, A.V. Yakimanskii, 2017, published in Zhurnal Prikladnoi Khimii, 2017, Vol. 90, No. 4, pp. 507−517.

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Meleshko, T.K., Kashina, A.V., Saprykina, N.N. et al. Synthesis and morphology of polycaprolactone–block-polyimide–block-polycaprolactone triblock copolymers for film separation membranes. Russ J Appl Chem 90, 602–612 (2017). https://doi.org/10.1134/S1070427217040176

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  • DOI: https://doi.org/10.1134/S1070427217040176