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Fabrication of polydimethysiloxane (Pdms) dense layer on polyetherimide (pei) hollow fiber support for the efficient co2/n2 separation membranes

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dc.contributor.authorLi, G.
dc.contributor.authorKnozowska, K.
dc.contributor.authorKujawa, J.
dc.contributor.authorTonkonogovas, A.
dc.contributor.authorKujawski, W.
dc.date.accessioned2024-11-29T12:13:03Z
dc.date.available2024-11-29T12:13:03Z
dc.date.issued2021
dc.description.abstract© 2021 by the authors. Licensee MDPI, Basel, Switzerland.The development of thin layer on hollow-fiber substrate has drawn great attention in the gas-separation process. In this work, polydimethysiloxane (PDMS)/polyetherimide (PEI) hollow-fiber membranes were prepared by using the dip-coating method. The prepared membranes were characterized by Scanning Electron Microscope (SEM), energy-dispersive X-ray spectroscopy (EDX), and gas permeance measurements. The concentration of PDMS solution and coating time revealed an important influence on the gas permeance and the thickness of the PDMS layer. It was confirmed from the SEM and EDX results that the PDMS layer’s thickness and the atomic content of silicon in the selective layer increased with the growth in coating time and the concentration of PDMS solution. The composite hollow-fiber membrane prepared from 15 wt% PDMS solution at 10 min coating time showed the best gas-separation performance with CO2 permeance of 51 GPU and CO2/N2 ideal selectivity of 21.
dc.format.extentС. 1-15
dc.identifier.citationFabrication of polydimethysiloxane (Pdms) dense layer on polyetherimide (pei) hollow fiber support for the efficient co2/n2 separation membranes / Li, G. [et al.] // Polymers. - 2021. - 13. - № 5. - P. 1-15. - 10.3390/polym13050756
dc.identifier.doi10.3390/polym13050756
dc.identifier.urihttps://www.doi.org/10.3390/polym13050756
dc.identifier.urihttps://www.scopus.com/record/display.uri?eid=2-s2.0-85102236670&origin=resultslist
dc.identifier.urihttp://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=Alerting&SrcApp=Alerting&DestApp=WOS_CPL&DestLinkType=FullRecord&UT=WOS:000628442600001
dc.identifier.urihttps://openrepository.mephi.ru/handle/123456789/23756
dc.relation.ispartofPolymers
dc.titleFabrication of polydimethysiloxane (Pdms) dense layer on polyetherimide (pei) hollow fiber support for the efficient co2/n2 separation membranes
dc.typeArticle
dspace.entity.typePublication
oaire.citation.issue5
oaire.citation.volume13
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