Polyimides in membrane gas separation: Monomer's molecular design and structural engineering

H Sanaeepur, AE Amooghin, S Bandehali… - Progress in Polymer …, 2019 - Elsevier
Polyimides (PIs) are an important, well-established, and commercialized class of polymers
due to their extraordinary physical and chemical properties. They have been extensively …

Plasticization mitigation strategies for gas and liquid filtration membranes-A review

YS Chang, P Kumari, CJ Munro, G Szekely… - Journal of Membrane …, 2023 - Elsevier
Plasticization is a major source of performance reduction in polymeric membranes, where
uptake of specific vapour or liquid compounds affects either the space between …

Fine tune gas separation property of intrinsic microporous polyimides and their carbon molecular sieve membranes by gradient bromine substitution/removal

C Ye, L Bai, Y Weng, Z Xu, L Huang, J Huang… - Journal of Membrane …, 2023 - Elsevier
Membrane technology is attracting more and more attention in hydrogen energy and natural
gas sweetening applications. One challenge remaining is advanced membranes with both …

Cross-linked polymer membranes for energy-efficient gas separation: innovations and perspectives

M Liu, A Seeger, R Guo - Macromolecules, 2023 - ACS Publications
Polymeric membranes for gas separations have experienced rapid growth over the past few
decades, and extensive research has been performed to develop high-performance polymer …

Finely tuning the microporosity in dual thermally crosslinked polyimide membranes for plasticization resistance gas separations

C Wang, Z Cai, W **e, Y Jiao, L Liu, L Gong… - Journal of Membrane …, 2022 - Elsevier
Thermally induced chemical crosslinking has attracted substantial attention for fabricating
plasticization resistant membranes due to the facile structure tunability that enables the …

Self-crosslinking of bromomethylated 6FDA-DAM polyimide for gas separations

S Xu, X Ren, N Zhao, L Wu, Z Zhang, Y Fan… - Journal of Membrane …, 2021 - Elsevier
The CO 2-induced plasticization effects impose detrimental effects on polymeric membranes
separation performance. To address this issue, a high-performance crosslinked brominated …

Constructing strong interfacial interactions under mild conditions in MOF-incorporated mixed matrix membranes for gas separation

Z Wang, Y Tian, W Fang, BB Shrestha… - … Applied Materials & …, 2021 - ACS Publications
Although mixed matrix membranes (MMM) possess remarkably improved gas separation
performance compared to traditional polymeric membranes, membrane stability including …

A new dip-coating approach for plasticization-resistant polyimide hollow fiber membranes: In situ thermal imidization and cross-linking of polyamic acid

HJ Yu, H An, JH Shin, A Brunetti, JS Lee - Chemical Engineering Journal, 2023 - Elsevier
Polymeric hollow fiber membranes (HFMs) are in high demand for gas separation due to
their superior processability and cost-effectiveness, despite exhibiting high vulnerability to …

Significantly enhanced gas separation properties of microporous membranes by precisely tailoring their ultra-microporosity through bromination/debromination

C Ye, C Luo, W Ji, Y Weng, J Li, S Yi, X Ma - Chemical Engineering Journal, 2023 - Elsevier
Tailoring the ultra-microporosity of polymer and carbon molecular sieve membranes
(CMSM) is vital to their gas separation properties. Herein, we adopted a simple novel …

Mixed matrix composite membranes with MOF-protruding structure for efficient CO2 separation

S Song, M Zhao, Z Guo, Y Ren, J Wang, X Liang… - Journal of Membrane …, 2023 - Elsevier
Mixed matrix composite membranes (MMCMs) hold great potential to realize efficient CO 2
removal from natural gas. However, the reduction of separation performance arising from the …