The H /CO separation properties of di/triamine vapor cross-linked mixed matrix membranes with molecularly tuned free-volume at 150 °C are reported. Free-volume is molecularly tuned by altering the degree of chain-motion using cross-linkers with different chain lengths. A more restricted degree of chain-motion is achieved in the cross-linked network and the resultant membrane has a higher H /CO selectivity at 150 °C.
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| http://dx.doi.org/10.1002/adma.201603833 | DOI Listing |
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