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Ionic liquid-based semi-interpenetrating polymer network (sIPN) membranes for CO2 separation

2021Journal article Open access
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dc.contributor.authorGouveia, Andreia S.L.
dc.contributor.authorBumenn, Edwin
dc.contributor.authorRohtlaid, K.
dc.contributor.authorMichaud, A.
dc.contributor.authorVieira, T.M.
dc.contributor.authorDelgado Alves, Vitor
dc.contributor.authorTomé, L.C.
dc.contributor.authorPlesse, C.
dc.contributor.authorMarrucho, Isabel M.
dc.date.accessioned2022-03-14T15:53:16Z
dc.date.available2023-01-01T01:30:24Z
dc.date.issued2021
dc.description.abstractThis work explores the preparation of ionic liquid (IL)-based semi-interpenetrating polymer network (sIPN) membranes composed of poly(ethylene oxide) (PEO) network and linear nitrile butadiene rubber (NBR), incorporating up to 66 wt% of three ILs with a common cation ([C2mim]+) and different anions ([C(CN)3]–, [NTf2]– and [FSI]–). All sIPN/IL membranes were characterized by Fourier-transform infrared (FT-IR) spectroscopy, thermogravimetric analysis (TGA), differential scanning calorimetry (DSC) and puncture tests. Ideal CO2/N2 and CO2/H2 separation performances of the prepared sIPN/IL membranes were investigated at T = 20 ◦C and 35 ◦C, respectively, and 1 bar of feed pressure. The incorporation of both [C2mim][NTf2] and [C2mim][FSI] ILs allowed to obtain sIPN/IL membranes with higher IL contents (66 wt%) compared to previously reported PIL–IL membranes with similar IL structures (40 wt %). The membranes containing [NTf2]– and [C(CN)3]– anions showed improved thermal stability compared to the neat PEO/NBR sIPN, being thermally stable up to 300 ◦C. Although sIPN/IL membrane mechanical properties were affected by the incorporation of IL, all membranes revealed high elongation properties (elongation upon puncture = 68–170%), mainly due to the presence of NBR component in the sIPN structure. The highest CO2/N2 permselectivity was obtained for the sIPN/66 wt% [C2mim][C(CN)3] membrane, while the sIPN/66 wt% [C2mim][FSI] membrane revealed the highest CO2 and N2 permeabilities. The incorporation of 66 wt% of [C2mim][FSI] into the sIPN also showed superior CO2/H2 separation performance, with a CO2 permeability of 727 Barrer and a CO2/H2 permselectivity of 10.9pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationGouveia ASL, Bumenn E, Rohtlaid K, Michaud A, Vieira TM, Alves VD, Tomé LC, Plesse C, Marrucho IM (2021). Ionic liquid-based semi-interpenetrating polymer network (sIPN) membranes for CO2 separation. Separation and Purification Technology, 274:118437pt_PT
dc.identifier.doihttps://doi.org/10.1016/j.seppur.2021.118437pt_PT
dc.identifier.urihttp://hdl.handle.net/10400.5/23777
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherElsevierpt_PT
dc.relationUID/ AGR/04129/2020pt_PT
dc.relationCentro de Química Estrutural
dc.subjectIonic liquidspt_PT
dc.subjectSemi-interpenetrating polymer networkpt_PT
dc.subjectMembranespt_PT
dc.subjectCO2 separationpt_PT
dc.titleIonic liquid-based semi-interpenetrating polymer network (sIPN) membranes for CO2 separationpt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleCentro de Química Estrutural
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%2F00100%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/3599-PPCDT/PTDC%2FQUI-QFI%2F29527%2F2017/PT
oaire.citation.titleSeparation and Purification Technologypt_PT
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStream3599-PPCDT
person.familyNameDelgado Alves
person.givenNameVitor
person.identifier1916677
person.identifier.ciencia-id2E1E-6918-4DB3
person.identifier.orcid0000-0002-4117-5582
person.identifier.scopus-author-id24536716000
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
relation.isAuthorOfPublication8d1a8489-8789-4569-89e2-0bade23dd945
relation.isAuthorOfPublication.latestForDiscovery8d1a8489-8789-4569-89e2-0bade23dd945
relation.isProjectOfPublication6f563b11-7a3d-4ed6-9d77-235805ada8d4
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