Fig. 5: Characterization of PIM-BM/TB and XPIM-BM/TB membranes physical structures.

a Representative chain conformations in crosslinked PIM-BM/TB from computer modeling results. b 3-D view of crosslinked PIM-BM/TB modeling structure in an amorphous cell (300 °C-5 h) (cell size: 30 × 30 × 30 A; density: ~1.223 g/cm3; Gray–Van der Waals surface; dark gray–Connolly surface with pore radius of 1.45 A). c Pore size distribution from PALS.