Fig. 1: Fabrication of asymmetric AOPIM-1 membranes.
From: Microporous polymer adsorptive membranes with high processing capacity for molecular separation
a Chemical structure of AOPIM-1 polymer and optical image of AOPIM-1 membrane; b The pH-tunable chargeability of AOPIM-1 under acidic or alkaline conditions, where the gray, white and red spheres represent C atoms, H atoms and O atoms, respectively; c Schematic diagram of microporous polymer membranes for adsorptive separation of organic molecules; d Three-dimensional view of an amorphous cell of the AOPIM-1 polymer. The brown surface indicates the van der Waals surface, and the orange surface is the Connolly surface with a probe radius of 1.6 Å; Cross-section SEM images of the AOPIM-1 membranes obtained by phase conversion of different coagulation bath compositions: e H2O:EtOH = 100:0 and f H2O:EtOH = 0:100.
