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Khan MM, Filiz V, Emmler T, et al. Free volume and gas permeation in anthracene maleimide-based polymers of intrinsic microporosity. Membranes (Basel). 2015;5(2):214-27doi: 10.3390/membranes5020214.
Khan, M. M., Filiz, V., Emmler, T., Abetz, V., Koschine, T., Rätzke, K., Faupel, F., Egger, W., & Ravelli, L. (2015). Free volume and gas permeation in anthracene maleimide-based polymers of intrinsic microporosity. Membranes, 5(2), 214-27. https://doi.org/10.3390/membranes5020214
Khan, Muntazim Munir, et al. "Free volume and gas permeation in anthracene maleimide-based polymers of intrinsic microporosity." Membranes vol. 5,2 (2015): 214-27. doi: https://doi.org/10.3390/membranes5020214
Khan MM, Filiz V, Emmler T, Abetz V, Koschine T, Rätzke K, Faupel F, Egger W, Ravelli L. Free volume and gas permeation in anthracene maleimide-based polymers of intrinsic microporosity. Membranes (Basel). 2015 May 28;5(2):214-27. doi: 10.3390/membranes5020214. PMID: 26030881; PMCID: PMC4496641.
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Membranes (Basel). 2015 May 28;5(2):214-27. doi: 10.3390/membranes5020214.

Free volume and gas permeation in anthracene maleimide-based polymers of intrinsic microporosity.

Membranes

Muntazim Munir Khan, Volkan Filiz, Thomas Emmler, Volker Abetz, Toenjes Koschine, Klaus Rätzke, Franz Faupel, Werner Egger, Luca Ravelli

Affiliations

  1. Institute of Polymer Research, Helmholtz-Zentrum Geesthacht, Max-Planck-Str. 1, 21502 Geesthacht, Germany. [email protected].
  2. Institute of Polymer Research, Helmholtz-Zentrum Geesthacht, Max-Planck-Str. 1, 21502 Geesthacht, Germany. [email protected].
  3. Institute of Polymer Research, Helmholtz-Zentrum Geesthacht, Max-Planck-Str. 1, 21502 Geesthacht, Germany. [email protected].
  4. Institute of Polymer Research, Helmholtz-Zentrum Geesthacht, Max-Planck-Str. 1, 21502 Geesthacht, Germany. [email protected].
  5. Institute of Physical Chemistry, University of Hamburg, Grindelallee 117, 20146 Hamburg, Germany. [email protected].
  6. Institute of Materials Science, University of Kiel, Technical Faculty, Chair for Multicomponent Materials, Kaiserstr. 2, 24143 Kiel, Germany. [email protected].
  7. Institute of Materials Science, University of Kiel, Technical Faculty, Chair for Multicomponent Materials, Kaiserstr. 2, 24143 Kiel, Germany. [email protected].
  8. Institute of Materials Science, University of Kiel, Technical Faculty, Chair for Multicomponent Materials, Kaiserstr. 2, 24143 Kiel, Germany. [email protected].
  9. Institut für Angewandte Physik und Messtechnik, Universität der Bundeswehr München, 85577 Neubiberg, Germany. [email protected].
  10. Institut für Angewandte Physik und Messtechnik, Universität der Bundeswehr München, 85577 Neubiberg, Germany. [email protected].

PMID: 26030881 PMCID: PMC4496641 DOI: 10.3390/membranes5020214

Abstract

High free-volume copolymers were prepared via polycondensation with 2,3,5,6,-tetrafluoroterephthalonitrile (TFTPN) in which a portion of the 3,3,3',3'-tetramethyl-1,1'-spirobisindane (TTSBI) of PIM-1 was replaced with dibutyl anthracene maleimide (4bIII). An investigation of free volume using positron annihilation lifetime spectroscopy (PALS), and gas permeation measurements was carried out for the thin film composite copolymer membranes and compared to PIM-1. The average free volume hole size and the gas permeance of the copolymer membranes increased with decreasing TTSBI content in the copolymer.

Keywords: PALS; antharcene maleimide; free volume; membranes; polymer of intrinsic microporosity

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