(???????)Polyimide/ZIFs mixed matrix membranes with tunable interfacial interaction for efficient gas separation
文献类型：期刊论文
| 作者 | Liu, Yan1; Xie, Wei2; Liang, Shuang2; Li, Xingxun1; Fan, Yanfang1; Luo, Shuangjiang2 |
| 刊名 | JOURNAL OF MEMBRANE SCIENCE
 |
| 出版日期 | 2022-03-15 |
| 卷号 | 646页码:10 |
| 关键词 | Mixed matrix membrane 6FDA-DAM:DABA copolyimide ZIFs functionalization Gas separation |
| ISSN号 | 0376-7388 |
| DOI | 10.1016/j.memsci.2021.120240 |
| 英文摘要 | Manipulating favorable interfacial microstructure is crucial to rationally design a high-performance mixed matrix membrane with defect-free interface. We describe herein an efficient pathway to finely tune the interfacial adhesion through balancing the metal organic frameworks and polymer functionality. The varied number of hydrogen bonds are established involving the CHO groups in hybrid ZIF-8-90(x) fillers with varied carboxaldehyde-2-imidazole linker contents and 6FDA-DAM:DABA copolyimides having adjustable COOH groups concentrations, thereby precisely controlling the membrane interfacial bonding behavior. As expected, the gas selectivity of the resulting membranes is gradually enhanced with increasing carboxaldehyde-2-imidazole linker substitution ratio in ZIF-8-90(x), mainly contributed by significant improvements in hydrogen bonding strength. The enhanced interaction is confirmed by good adhesion visualized in SEM images and the C=O vibration band shift in FTIR spectra. Meanwhile, adjusting the proportion of DABA moiety in polymers is an auxiliary path to regulate the interfacial bonding strength. The optimized membrane of 6FDA-DAM:DABA (1:1)/ 10 wt.% ZIF-8-90(30) has enhanced H-2/CH4 and CO2/CH(4 & nbsp;)ideal selectivities of 75.4 and 43.6, respectively, with H-2 and CO(2 & nbsp;)permeabilities of 222 Barrer and 128 Barrer. These findings imply that progressively regulating filler and polyimide functionality is a feasible route to finely tailor interfacial hydrogen bonding strength to achieve a membrane with tunable separation performance. |
| WOS关键词 | ZEOLITIC IMIDAZOLATE FRAMEWORKS ; NATURAL-GAS ; CARBON-DIOXIDE ; CO2 ; PERFORMANCE ; POLYIMIDE ; FUNCTIONALIZATION ; ADSORPTION ; LIGAND |
| 资助项目 | National Natural Science Foundation of China[21978321] ; Beijng Natural Science Foundation[2222021] |
| WOS研究方向 | Engineering ; Polymer Science |
| 语种 | 英语 |
| WOS记录号 | WOS:000788683400005 |
| 出版者 | ELSEVIER |
| 资助机构 | National Natural Science Foundation of China ; Beijng Natural Science Foundation |
| 源URL | [http://ir.ipe.ac.cn/handle/122111/53088]  |
| 专题 | 中国科学院过程工程研究所 |
| 通讯作者 | Fan, Yanfang; Luo, Shuangjiang |
| 作者单位 | 1.China Univ Petr, Coll Chem Engn & Environm, State Key Lab Heavy Oil Proc, Beijing 102249, Peoples R China 2.Chinese Acad Sci, Inst Proc Engn, Beijing 100190, Peoples R China |
| 推荐引用方式 GB/T 7714 |
Liu, Yan,Xie, Wei,Liang, Shuang,et al. (???????)Polyimide/ZIFs mixed matrix membranes with tunable interfacial interaction for efficient gas separation [J]. JOURNAL OF MEMBRANE SCIENCE,2022,646:10. |
| APA |
Liu, Yan,Xie, Wei,Liang, Shuang,Li, Xingxun,Fan, Yanfang,&Luo, Shuangjiang.(2022). (???????)Polyimide/ZIFs mixed matrix membranes with tunable interfacial interaction for efficient gas separation .JOURNAL OF MEMBRANE SCIENCE,646,10. |
| MLA |
Liu, Yan,et al." (???????)Polyimide/ZIFs mixed matrix membranes with tunable interfacial interaction for efficient gas separation ".JOURNAL OF MEMBRANE SCIENCE 646(2022):10. |
入库方式： OAI收割
来源：过程工程研究所
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