4.8 Article

Molecularly Tuned Free Volume of Vapor Cross-Linked 6FDA-Durene/ZIF-71 MMMs for H2/CO2 Separation at 150 °C

Journal

ADVANCED MATERIALS
Volume 29, Issue 4, Pages -

Publisher

WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.201603833

Keywords

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Funding

  1. National University of Singapore (NUS) [R-279-000-404-133]
  2. Dean's Office, Faculty of Engineering, NUS [R-261-508-001-646]

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The H-2/CO2 separation properties of di/triamine vapor cross-linked mixed matrix membranes with molecularly tuned free-volume at 150 degrees 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-2/CO2 selectivity at 150 degrees C.

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