Substantially Improving CO<sub>2</sub> Permeability and CO<sub>2</sub>/CH<sub>4</sub> Selectivity of Matrimid Using Functionalized-Ti<sub>3</sub>C<sub>2</sub>T<sub><i>x</i></sub>.
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ABSTRACT: Mixed-matrix membranes (MMMs) with favorable interfacial interactions between dispersed and continuous phases offer a promising approach to overcome the traditional trade-off between permeability and selectivity in membrane-based gas separation. In this study, we developed free-standing MMMs by embedding pristine and surface-modified Ti3C2Tx MXenes into Matrimid 5218 polymer for efficient CO2/CH4 separation. Two-dimensional Ti3C2Tx with adjustable surface terminations provided control over these critical interfacial interactions. Characterization (Raman spectroscopy, XPS, DSC, FTIR) indicated the formation of hydrogen bonds between the termination groups on Ti3C2T
SUBMITTER: Mozafari M
PROVIDER: S-EPMC11744502 | biostudies-literature | 2025 Jan
REPOSITORIES: biostudies-literature
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