Incorporation of a pyrrolidinium-based ionic liquid/MIL-101(Cr) composite into Pebax sets a new benchmark for CO2/N2 selectivity

Separation and Purification Technology(2023)

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摘要
•[MPPyr][DCA]/MIL-101(Cr) composite was incorporated in Pebax to synthesize MMMs.•[MPPyr][DCA]/MIL-101(Cr)/Pebax MMM exhibited a benchmark CO2/N2 selectivity.•All synthesized MMMs were located above the upper bound for CO2/N2 separation.•Interactions between IL and polymer led to enhanced interfacial compatibility.•Results demonstrated the great potential of IL/MOF composites as fillers in MMMs.
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关键词
Mixed matrix membrane (MMM),Metal organic framework (MOF),Ionic liquid (IL),IL/MOF composite,CO2 separation
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