Published in
Wiley, Advanced Materials, 21(26), p. 3526-3531, 2014
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Triptycene Induced Enhancement of Membrane Gas Selectivity for Microporous Tröger's Base Polymers
Journal article published in 2014 by
Mariolino Carta,
Matthew Croad,
Richard Malpass-Evans,
Johannes C. Jansen,
Paola Bernardo,
Gabriele Clarizia,
Karel Friess,
Marek Lanč 
,
Neil B. McKeown
,
Neil B. McKeown
This paper is made freely available by the publisher.
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Abstract
A highly gas permeable polymer with exceptional size selectivity is prepared by fusing triptycene units together via a poly-merization reaction involving Tröger's base formation. The extreme rigidity of this polymer of intrinsic microporosity (PIM-Trip-TB) facilitates gas permeability data that lie well above the benchmark 2008 Robeson upper bounds for the important O2 /N2 and H2 /N2 gas pairs.