Functionalisation of MUF-15 enhances CO/CH selectivity in mixed-matrix membranes

MUF-15 (MUF = Massey University Framework) is a metal-organic framework with pores that can be tuned by ligand functionalisation. Crystallites of MUF-15 and derivatives were blended with the organic polymer 6FDA-DAM to produce mixed-matrix membranes (MMMs). At a loading of 30 wt%, membranes with MUF...

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Published in:Chemical communications (Cambridge, England) England), 2024-06, Vol.6 (46), p.5924-5927
Main Authors: Zhang, Yiming, Jangodaz, Elnaz, Yin, Ben Hang, Telfer, Shane G
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Summary:MUF-15 (MUF = Massey University Framework) is a metal-organic framework with pores that can be tuned by ligand functionalisation. Crystallites of MUF-15 and derivatives were blended with the organic polymer 6FDA-DAM to produce mixed-matrix membranes (MMMs). At a loading of 30 wt%, membranes with MUF-15-F, MUF-15 with an appended fluoro group, exhibited a CO 2 permeability of 1300 Barrer and CO 2 /CH 4 selectivity of 37.1. These values surpass membranes with the parent MUF-15 and exceed the Robeson upper bound. MUF-15 and its isoreticular analogues were blended with 6FDA-DAM to produce mixed-matrix membranes with exceptional CO 2 /CH 4 separation performance.
ISSN:1359-7345
1364-548X
DOI:10.1039/d4cc01608d