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A spirobifluorene-based polymer of intrinsic microporosity with improved performance for gas separation
C Grazia Bezzu1, Mariolino Carta, Alexander Tonkins
1School of Chemistry, Cardiff University, Cardiff, CF10 3AT, UK.
Advanced Materials (Deerfield Beach, Fla.)
|September 11, 2012
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.
