Free Volume and Gas Permeation in Anthracene Maleimide-Based Polymers of Intrinsic Microporosity

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 volu...

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Autores principales: Khan, Muntazim Munir, Filiz, Volkan, Emmler, Thomas, Abetz, Volker, Koschine, Toenjes, Rätzke, Klaus, Faupel, Franz, Egger, Werner, Ravelli, Luca
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2015
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Article
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4496641/
https://www.ncbi.nlm.nih.gov/pubmed/26030881
http://dx.doi.org/10.3390/membranes5020214
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author Khan, Muntazim Munir
Filiz, Volkan
Emmler, Thomas
Abetz, Volker
Koschine, Toenjes
Rätzke, Klaus
Faupel, Franz
Egger, Werner
Ravelli, Luca
author_facet Khan, Muntazim Munir
Filiz, Volkan
Emmler, Thomas
Abetz, Volker
Koschine, Toenjes
Rätzke, Klaus
Faupel, Franz
Egger, Werner
Ravelli, Luca
author_sort Khan, Muntazim Munir
collection PubMed
description 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.
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spelling pubmed-44966412015-07-10 Free Volume and Gas Permeation in Anthracene Maleimide-Based Polymers of Intrinsic Microporosity Khan, Muntazim Munir Filiz, Volkan Emmler, Thomas Abetz, Volker Koschine, Toenjes Rätzke, Klaus Faupel, Franz Egger, Werner Ravelli, Luca Membranes (Basel) Article 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. MDPI 2015-05-28 /pmc/articles/PMC4496641/ /pubmed/26030881 http://dx.doi.org/10.3390/membranes5020214 Text en © 2015 by the authors; licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution license (http://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Khan, Muntazim Munir
Filiz, Volkan
Emmler, Thomas
Abetz, Volker
Koschine, Toenjes
Rätzke, Klaus
Faupel, Franz
Egger, Werner
Ravelli, Luca
Free Volume and Gas Permeation in Anthracene Maleimide-Based Polymers of Intrinsic Microporosity
title Free Volume and Gas Permeation in Anthracene Maleimide-Based Polymers of Intrinsic Microporosity
title_full Free Volume and Gas Permeation in Anthracene Maleimide-Based Polymers of Intrinsic Microporosity
title_fullStr Free Volume and Gas Permeation in Anthracene Maleimide-Based Polymers of Intrinsic Microporosity
title_full_unstemmed Free Volume and Gas Permeation in Anthracene Maleimide-Based Polymers of Intrinsic Microporosity
title_short Free Volume and Gas Permeation in Anthracene Maleimide-Based Polymers of Intrinsic Microporosity
title_sort free volume and gas permeation in anthracene maleimide-based polymers of intrinsic microporosity
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4496641/
https://www.ncbi.nlm.nih.gov/pubmed/26030881
http://dx.doi.org/10.3390/membranes5020214
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