Abstract
AbstractNanocomposite membranes are a class of innovative filtering materials consisting of nanofillers embedded in a polymeric or inorganic oxide matrix that functionalizes the membrane. Thermally rearranged (TR) polymers have a good blend of selectivity and permeability. Nanocomposite membranes were tested after applying a TR process. The selectivity decreases with increasing permeability, showing a trade‐off relationship between permeability and selectivity. TR polymer nanocomposite exhibits higher gas permeability than silica‐doped and pure polymer. The selectivity for H2/N2 and H2/CO2 gas pairs exceeds the Robeson upper‐bound limit, and in the case of the H2/CH4 gas pair. The selectivity for H2/N2 , H2/CH4 and H2/CO2 gas pairs exceeds the Robeson upper‐bound limit.
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