Journal
MACROMOLECULES
Volume 41, Issue 5, Pages 1640-1646Publisher
AMER CHEMICAL SOC
DOI: 10.1021/ma071846r
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Funding
- Engineering and Physical Sciences Research Council [GR/T24296/01, EP/D074460/1] Funding Source: researchfish
- EPSRC [EP/D074460/1] Funding Source: UKRI
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Novel polymers of intrinsic microporosity (PIMs) are prepared from bis(phenazyl) monomers derived from readily available bis(catechol)s. One of the polymers (termed PIM-7) has an excellent combination of properties with high internal surface area, good film-forming characteristics, and gas transport properties that make it a suitable candidate for gas separation membranes. The high gas permeability and good ideal selectivity of PIM-7 place it above Robeson's upper-bound for a number of commercially important gas pairs (e.g., O-2/N-2, CO2/CH4, and CO2/N-2).
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