No abstract

High gas permeable polymer membranes are required to achieve carbon dioxide capture and storage with high efficiency. In this study, novel mixed matrix membranes (MMMs) based on a chemically modified polymer of intrinsic microporosity and silica nanoparticles were fabricated, and their gas permeation properties were evaluated. The methyltetrazole -modified polymer of intrinsic microporosity (MTZ-PIM) showed higher CO 2 /N 2 selectivity than the pristine PIM membrane, and their composite membrane with the surface-modified silica nanoparticles achieved improved CO 2 permeability and good selectivity.