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A highly rigid and gas selective methanopentacene-based polymer of intrinsic microporosity derived from Tröger's base polymerization

Rhodri Williams, Luke. A. Burt, Elisa Esposito, Johannes C. Jansen, Elena Tocci, Carmen Rizzuto, Marek Lanč, Mariolino Carta Orcid Logo, Neil. B. McKeown

Journal of Materials Chemistry A, Volume: 6, Issue: 14, Pages: 5661 - 5667

Swansea University Author: Mariolino Carta Orcid Logo

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DOI (Published version): 10.1039/c8ta00509e

Abstract

Polymers of intrinsic microporosity (PIMs) have been identified as potential next generation membranematerials for the separation of gas mixtures of industrial and environmental relevance. Based on theexceptionally rigid methanopentacene (MP) structural unit, a Polymer of Intrinsic Microporosity (PI...

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Published in: Journal of Materials Chemistry A
ISSN: 2050-7488 2050-7496
Published: 2018
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URI: https://cronfa.swan.ac.uk/Record/cronfa39305
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last_indexed 2021-09-22T02:58:21Z
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spelling 2021-09-21T16:58:40.9119024 v2 39305 2018-04-04 A highly rigid and gas selective methanopentacene-based polymer of intrinsic microporosity derived from Tröger's base polymerization 56aebf2bba457f395149bbecbfa6d3eb 0000-0003-0718-6971 Mariolino Carta Mariolino Carta true false 2018-04-04 EAAS Polymers of intrinsic microporosity (PIMs) have been identified as potential next generation membranematerials for the separation of gas mixtures of industrial and environmental relevance. Based on theexceptionally rigid methanopentacene (MP) structural unit, a Polymer of Intrinsic Microporosity (PIM-MPTB)was designed to demonstrate high selectivity for gas separations. PIM-MP-TB was prepared usinga polymerisation reaction involving the formation of Troger&apos;s base linking groups and demonstrated an ¨apparent BET surface area of 743 m2 g1 as a powder. The microporosity of PIM-MP-TB was alsocharacterized by chain packing simulations. PIM-MP-TB proved soluble in chlorinated solvents and wascast as a robust, free-standing film suitable for gas permeation measurements. Despite lower gaspermeability as compared to previously reported PIMs, high selectivities for industrially relevant gas pairswere obtained, surpassing the 2008 Robeson upper bound for H2/CH4 and O2/N2, (e.g., PO2 ¼ 999Barrer; aO2/N2 ¼ 5.0) and demonstrating a clear link between polymer rigidity and selectivity. Upon aging,the permeability data move parallel to the Robeson upper bounds with a decrease of permeability,compensated by a related increase in selectivity. Mixed gas permeation measurement for CO2/CH4 andCO2/N2 mixtures confirmed the excellent selectivity of PIM-MP-TB for potentially relevant separationssuch as biogas upgrading and CO2 capture from flue gas. Importantly, unlike other high performingPIMs, PIM-MP-TB is prepared in four simple steps from a cheap starting materia Journal Article Journal of Materials Chemistry A 6 14 5661 5667 2050-7488 2050-7496 14 4 2018 2018-04-14 10.1039/c8ta00509e COLLEGE NANME Engineering and Applied Sciences School COLLEGE CODE EAAS Swansea University 2021-09-21T16:58:40.9119024 2018-04-04T10:25:43.9666517 Faculty of Science and Engineering School of Engineering and Applied Sciences - Chemistry Rhodri Williams 1 Luke. A. Burt 2 Elisa Esposito 3 Johannes C. Jansen 4 Elena Tocci 5 Carmen Rizzuto 6 Marek Lanč 7 Mariolino Carta 0000-0003-0718-6971 8 Neil. B. McKeown 9 0039305-21052018123025.pdf WilliamsAHighlyRigid2018.pdf 2018-05-21T12:30:25.3330000 Output 1295712 application/pdf Version of Record true 2018-05-21T00:00:00.0000000 This Open Access Article is licensed under a Creative Commons Attribution 3.0 Unported Licence. true eng
title A highly rigid and gas selective methanopentacene-based polymer of intrinsic microporosity derived from Tröger's base polymerization
spellingShingle A highly rigid and gas selective methanopentacene-based polymer of intrinsic microporosity derived from Tröger's base polymerization
Mariolino Carta
title_short A highly rigid and gas selective methanopentacene-based polymer of intrinsic microporosity derived from Tröger's base polymerization
title_full A highly rigid and gas selective methanopentacene-based polymer of intrinsic microporosity derived from Tröger's base polymerization
title_fullStr A highly rigid and gas selective methanopentacene-based polymer of intrinsic microporosity derived from Tröger's base polymerization
title_full_unstemmed A highly rigid and gas selective methanopentacene-based polymer of intrinsic microporosity derived from Tröger's base polymerization
title_sort A highly rigid and gas selective methanopentacene-based polymer of intrinsic microporosity derived from Tröger's base polymerization
author_id_str_mv 56aebf2bba457f395149bbecbfa6d3eb
author_id_fullname_str_mv 56aebf2bba457f395149bbecbfa6d3eb_***_Mariolino Carta
author Mariolino Carta
author2 Rhodri Williams
Luke. A. Burt
Elisa Esposito
Johannes C. Jansen
Elena Tocci
Carmen Rizzuto
Marek Lanč
Mariolino Carta
Neil. B. McKeown
format Journal article
container_title Journal of Materials Chemistry A
container_volume 6
container_issue 14
container_start_page 5661
publishDate 2018
institution Swansea University
issn 2050-7488
2050-7496
doi_str_mv 10.1039/c8ta00509e
college_str Faculty of Science and Engineering
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hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Engineering and Applied Sciences - Chemistry{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Engineering and Applied Sciences - Chemistry
document_store_str 1
active_str 0
description Polymers of intrinsic microporosity (PIMs) have been identified as potential next generation membranematerials for the separation of gas mixtures of industrial and environmental relevance. Based on theexceptionally rigid methanopentacene (MP) structural unit, a Polymer of Intrinsic Microporosity (PIM-MPTB)was designed to demonstrate high selectivity for gas separations. PIM-MP-TB was prepared usinga polymerisation reaction involving the formation of Troger&apos;s base linking groups and demonstrated an ¨apparent BET surface area of 743 m2 g1 as a powder. The microporosity of PIM-MP-TB was alsocharacterized by chain packing simulations. PIM-MP-TB proved soluble in chlorinated solvents and wascast as a robust, free-standing film suitable for gas permeation measurements. Despite lower gaspermeability as compared to previously reported PIMs, high selectivities for industrially relevant gas pairswere obtained, surpassing the 2008 Robeson upper bound for H2/CH4 and O2/N2, (e.g., PO2 ¼ 999Barrer; aO2/N2 ¼ 5.0) and demonstrating a clear link between polymer rigidity and selectivity. Upon aging,the permeability data move parallel to the Robeson upper bounds with a decrease of permeability,compensated by a related increase in selectivity. Mixed gas permeation measurement for CO2/CH4 andCO2/N2 mixtures confirmed the excellent selectivity of PIM-MP-TB for potentially relevant separationssuch as biogas upgrading and CO2 capture from flue gas. Importantly, unlike other high performingPIMs, PIM-MP-TB is prepared in four simple steps from a cheap starting materia
published_date 2018-04-14T07:15:36Z
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