Bifunctionalized Intrinsically Microporous Polyimides with Simultaneously Enhanced Gas Permeability and Selectivity

Handle URI:
http://hdl.handle.net/10754/607759
Title:
Bifunctionalized Intrinsically Microporous Polyimides with Simultaneously Enhanced Gas Permeability and Selectivity
Authors:
Ma, Xiaohua; Mukaddam, Mohsin Ahmed ( 0000-0002-0751-7876 ) ; Pinnau, Ingo ( 0000-0003-3040-9088 )
Abstract:
Two novel intrinsically microporous copolyimides synthesized by condensation reaction of 4,4′-(hexafluoroisopropylidene) diphthalic anhydride (6FDA), 3,3,3′,3′-tetramethyl-1,1′-spirobisindane-5,5′-diamino-6,6′-diol, and 3,5-diaminobenzoic acid with diamine ratios of 80/20 (Co-80/20) and 50/50 (Co-50/50) are reported. Unexpectedly, the Co-80/20 not only demonstrates higher microporosity (300 m2 g−1) than the PIM-6FDA-OH homopolymer (190 m2 g−1) but also exhibits simultaneously enhanced CO2 permeability (from 119 to 171 Barrer) and CO2/CH4 selectivity (from 35 to 41) after thermal annealing at 250 °C. This higher permeability originates from enhanced diffusivity (D CO2) and the higher selectivity results from its increased diffusion selectivity (D CO2/D CH4). After crosslinking at 300 °C, the Co-80/20 exhibits an even higher CO2 permeability (261 Barrer) and almost unchanged CO2/CH4 selectivity.
KAUST Department:
Advanced Membranes and Porous Materials Center (AMPMC); Physical Sciences and Engineering (PSE) Division; Chemical and Biological Engineering Program
Citation:
Bifunctionalized Intrinsically Microporous Polyimides with Simultaneously Enhanced Gas Permeability and Selectivity 2016:n/a Macromolecular Rapid Communications
Publisher:
Wiley-Blackwell
Journal:
Macromolecular Rapid Communications
Issue Date:
29-Mar-2016
DOI:
10.1002/marc.201600023
Type:
Article
ISSN:
10221336
Sponsors:
The research reported in this publication was supported by funding from King Abdullah University of Science and Technology (KAUST).
Additional Links:
http://doi.wiley.com/10.1002/marc.201600023
Appears in Collections:
Articles; Physical Sciences and Engineering (PSE) Division; Chemical and Biological Engineering Program

Full metadata record

DC FieldValue Language
dc.contributor.authorMa, Xiaohuaen
dc.contributor.authorMukaddam, Mohsin Ahmeden
dc.contributor.authorPinnau, Ingoen
dc.date.accessioned2016-05-03T12:37:07Zen
dc.date.available2016-05-03T12:37:07Zen
dc.date.issued2016-03-29en
dc.identifier.citationBifunctionalized Intrinsically Microporous Polyimides with Simultaneously Enhanced Gas Permeability and Selectivity 2016:n/a Macromolecular Rapid Communicationsen
dc.identifier.issn10221336en
dc.identifier.doi10.1002/marc.201600023en
dc.identifier.urihttp://hdl.handle.net/10754/607759en
dc.description.abstractTwo novel intrinsically microporous copolyimides synthesized by condensation reaction of 4,4′-(hexafluoroisopropylidene) diphthalic anhydride (6FDA), 3,3,3′,3′-tetramethyl-1,1′-spirobisindane-5,5′-diamino-6,6′-diol, and 3,5-diaminobenzoic acid with diamine ratios of 80/20 (Co-80/20) and 50/50 (Co-50/50) are reported. Unexpectedly, the Co-80/20 not only demonstrates higher microporosity (300 m2 g−1) than the PIM-6FDA-OH homopolymer (190 m2 g−1) but also exhibits simultaneously enhanced CO2 permeability (from 119 to 171 Barrer) and CO2/CH4 selectivity (from 35 to 41) after thermal annealing at 250 °C. This higher permeability originates from enhanced diffusivity (D CO2) and the higher selectivity results from its increased diffusion selectivity (D CO2/D CH4). After crosslinking at 300 °C, the Co-80/20 exhibits an even higher CO2 permeability (261 Barrer) and almost unchanged CO2/CH4 selectivity.en
dc.description.sponsorshipThe research reported in this publication was supported by funding from King Abdullah University of Science and Technology (KAUST).en
dc.language.isoenen
dc.publisherWiley-Blackwellen
dc.relation.urlhttp://doi.wiley.com/10.1002/marc.201600023en
dc.rightsThis is the peer reviewed version of the following article: Ma, X., Mukaddam, M. and Pinnau, I. (2016), Bifunctionalized Intrinsically Microporous Polyimides with Simultaneously Enhanced Gas Permeability and Selectivity. Macromol. Rapid Commun., which has been published in final form at http://doi.wiley.com/10.1002/marc.201600023. This article may be used for non-commercial purposes in accordance With Wiley Terms and Conditions for self-archiving.en
dc.subjectcrosslinkingen
dc.subjectgas separationen
dc.subjecthydrogen bondingen
dc.subjectintrinsic microporous polymersen
dc.subjectpolyimidesen
dc.titleBifunctionalized Intrinsically Microporous Polyimides with Simultaneously Enhanced Gas Permeability and Selectivityen
dc.typeArticleen
dc.contributor.departmentAdvanced Membranes and Porous Materials Center (AMPMC)en
dc.contributor.departmentPhysical Sciences and Engineering (PSE) Divisionen
dc.contributor.departmentChemical and Biological Engineering Programen
dc.identifier.journalMacromolecular Rapid Communicationsen
dc.eprint.versionPost-printen
dc.contributor.affiliationKing Abdullah University of Science and Technology (KAUST)en
kaust.authorMa, Xiaohuaen
kaust.authorMukaddam, Mohsin Ahmeden
kaust.authorPinnau, Ingoen
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