Effects of hydroxyl-functionalization and sub-Tg thermal annealing on high pressure pure- and mixed-gas CO2/CH4 separation by polyimide membranes based on 6FDA and triptycene-containing dianhydrides - Swaidan, Raja; Ghanem, Bader; Litwiller, Eric; Pinnau, I (Journal of membrane science, 2015)
Keywords: adsorption; annealing; artificial membranes; carbon dioxide; cellulose acetate; fluorescence; heat; methane; microstructure; natural gas; permeability; polymers; sieving; solubility