NDLI: Polymer-Infiltrated Metal-Organic Frameworks for Thin-Film Composite Mixed-Matrix Membranes with High Gas Separation Properties.

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Polymer-Infiltrated Metal-Organic Frameworks for Thin-Film Composite Mixed-Matrix Membranes with High Gas Separation Properties.

Content Provider	Europe PMC
Author	Min, Hyo Jun Kim, Min-Bum Bae, Youn-Sang Thallapally, Praveen K. Lee, Jae Hun Kim, Jong Hak
Editor	Cui, Hui Ye, Yingxiang
Copyright Year	2023
Abstract	Thin-film composite mixed-matrix membranes (TFC-MMMs) have potential applications in practical gas separation processes because of their high permeance (gas flux) and gas selectivity. In this study, we fabricated a high-performance TFC-MMM based on a rubbery comb copolymer, i.e., poly(2-[3-(2H-benzotriazol-2-yl)-4-hydroxyphenyl] ethyl methacrylate)-co-poly(oxyethylene methacrylate) (PBE), and metal–organic framework MOF-808 nanoparticles. The rubbery copolymer penetrates through the pores of MOF-808, thereby tuning the pore size. In addition, the rubbery copolymer forms a defect-free interfacial morphology with polymer-infiltrated MOF-808 nanoparticles. Consequently, TFC-MMMs (thickness = 350 nm) can be successfully prepared even with a high loading of MOF-808. As polymer-infiltrated MOF is incorporated into the polymer matrix, the PBE/MOF-808 membrane exhibits a significantly higher CO2 permeance (1069 GPU) and CO2/N2 selectivity (52.7) than that of the pristine PBE membrane (CO2 permeance = 431 GPU and CO2/N2 selectivity = 36.2). Therefore, the approach considered in this study is suitable for fabricating high-performance thin-film composite membranes via polymer infiltration into MOF pores.
Volume Number	13
PubMed Central reference number	PMC10053294
Issue Number	3
PubMed reference number	36984674
Journal	Membranes (Basel)
e-ISSN	20770375
DOI	10.3390/membranes13030287
Language	English
Publisher	MDPI
Publisher Date	2023-02-28
Access Restriction	Open
Rights License	Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/). © 2023 by the authors.
Subject Keyword	gas separation metal-organic framework comb copolymer mixed-matrix membrane carbon dioxide
Content Type	Text
Resource Type	Article
Subject	Chemical Engineering Process Chemistry and Technology Filtration and Separation

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