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Optimization of a MOF Blended with Modified Polyimide Membrane for High-Performance Gas Separation
| Content Provider | MDPI |
|---|---|
| Author | Zhang, Yushu Jia, Hongge Wang, Qingji Ma, Wenqiang Yang, Guoxing Xu, Shuangping Li, Shaobin Su, Guiming Qu, Yanqing Zhang, Mingyu Jiang, Pengfei |
| Copyright Year | 2021 |
| Description | The preparation, characterization and gas separation properties of mixed matrix membranes (MMMs) were obtained from polyimide capped with ionic liquid and blended with metal-organic frameworks (MOFs). The synthesized MOF was amine functionalized to produce $UiO-66-NH_{2}$, and its amino group has a higher affinity for $CO_{2}$. Mixed matrix membranes exhibited good membrane forming ability, heat resistance and mechanical properties. The polyimide membrane exclusively capped by ionic liquid exhibited good permselectivity of 74.1 for $CO_{2}/CH_{4}$, which was 6.2 times that of the pure polyimide membrane. It is worth noting that MMM blended with $UiO-66-NH_{2}$ demonstrated the highest ideal selectivity for $CO_{2}/CH_{4}$ (95.1) with a $CO_{2}$ permeability of 7.61 Barrer, which is close to the 2008 Robeson upper bound. The addition of $UiO-66-NH_{2}$ and ionic liquid enhanced the permselectivity of MMMs, which may be one of the promising technologies for high performance $CO_{2}/CH_{4}$ gas separation. |
| Starting Page | 34 |
| e-ISSN | 20770375 |
| DOI | 10.3390/membranes12010034 |
| Journal | Membranes |
| Issue Number | 1 |
| Volume Number | 12 |
| Language | English |
| Publisher | MDPI |
| Publisher Date | 2021-12-27 |
| Access Restriction | Open |
| Subject Keyword | Membranes Environmental Engineering Mixed Matrix Membrane Metal-organic Frameworks Polyimide Gas Separation |
| Content Type | Text |
| Resource Type | Article |
