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  • A spirobifluorene-based polymer of intrinsic microporosity with improved performance for gas separation.

A spirobifluorene-based polymer of intrinsic microporosity with improved performance for gas separation.

Advanced materials (Deerfield Beach, Fla.) (2012-09-11)
C Grazia Bezzu, Mariolino Carta, Alexander Tonkins, Johannes C Jansen, Paola Bernardo, Fabio Bazzarelli, Neil B McKeown
PMID22961917
ABSTRACT

A highly gas-permeable polymer with enhanced selectivities is prepared using spirobifluorene as the main structural unit. The greater rigidity of this polymer of intrinsic microporosity (PIM-SBF) facilitates gas permeability data that lie above the 2008 Robeson upper bound, which is the universal performance indicator for polymer gas separation membranes.