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

The H2/CO2 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 c...

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Bibliographic Details
Published inAdvanced materials (Weinheim) Vol. 29; no. 4
Main Authors Japip, Susilo, Liao, Kuo‐Sung, Chung, Tai‐Shung
Format Journal Article
LanguageEnglish
Published Weinheim Wiley Subscription Services, Inc 01.01.2017
Subjects
Carbon dioxide
Chains
Crosslinking
cross‐linker chain motion
Durene
high temperature hydrogen separation
Materials science
Membranes
mixed matrix membranes
Selectivity
Separation
tunable free volume
vapor cross‐linking
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Summary:The H2/CO2 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 H2/CO2 selectivity at 150 °C.
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ISSN:0935-9648
1521-4095
DOI:10.1002/adma.201603833