Dibenzomethanopentacene‐Based Polymers of Intrinsic Microporosity for Use in Gas‐Separation Membranes
Abstract: Dibenzomethanopentacene (DBMP) is shown to be a useful structural component for making Polymers of Intrinsic Microporosity (PIMs) with promise for making efficient membranes for gas separations. DBMP‐based monomers for PIMs are readily prepared using a Diels–Alder reaction between 2,3‐dimethoxyanthracene and norbornadiene as the key synthetic step. Compared to date for the archetypal PIM‐1, the incorporation of DBMP simultaneously enhances both gas permeability and the ideal selectivity for one gas over another. Hence, both ideal and mixed gas permeability data for DBMP‐rich co‐polymers and an amidoxime modified PIM are close to the current Robeson upper bounds, which define the state‐of‐the‐art for the trade‐off between permeability and selectivity, for several important gas pairs. Furthermore, long‐term studies (over ≈3 years) reveal that the reduction in gas permeabilities on ageing is less for DBMP‐containing PIMs relative to that for other high performing PIMs, which is an attractive property for the fabrication of membranes for efficient gas separations.
- Standort
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Deutsche Nationalbibliothek Frankfurt am Main
- Umfang
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Online-Ressource
- Sprache
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Englisch
- Erschienen in
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Dibenzomethanopentacene‐Based Polymers of Intrinsic Microporosity for Use in Gas‐Separation Membranes ; day:16 ; month:01 ; year:2023 ; extent:10
Angewandte Chemie ; (16.01.2023) (gesamt 10)
- Urheber
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Chen, Jie
Longo, Mariagiulia
Fuoco, Alessio
Esposito, Elisa
Monteleone, Marcello
Comesaña Gándara, Bibiana
Carolus Jansen, Johannes
McKeown, Neil B.
- DOI
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10.1002/ange.202215250
- URN
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urn:nbn:de:101:1-2023011714201388069576
- Rechteinformation
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Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
- Letzte Aktualisierung
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15.08.2025, 07:20 MESZ
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Beteiligte
- Chen, Jie
- Longo, Mariagiulia
- Fuoco, Alessio
- Esposito, Elisa
- Monteleone, Marcello
- Comesaña Gándara, Bibiana
- Carolus Jansen, Johannes
- McKeown, Neil B.
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