| Breaking the permeability-selectivity trade-off in thin-film composite polyamide membranes with a PEG-b-PSF-b-PEG block copolymer ultrafiltration membrane support through post-annealing treatment | |
An, XC; Hu, YX ; Wang, N; Wang, T; Liu, ZY
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| 发表期刊 | NPG ASIA MATERIALS
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| ISSN | 1884-4049 |
| 2019-03-21 | |
| 卷号 | 11页码:13 |
| 关键词 | INTERNAL CONCENTRATION POLARIZATION OSMOSIS MEMBRANES PERFORMANCE NANOFIBERS LAYER WATER DESALINATION IMPROVEMENT TECHNOLOGY ENERGY |
| 研究领域 | Materials Science, Multidisciplinary |
| DOI | 10.1038/s41427-019-0114-1 |
| 产权排序 | [An, Xiaochan; Hu, Yunxia] Tianjin Polytech Univ, Sch Mat Sci & Engn, Natl Ctr Int Res Membrane Sci & Technol, State Key Lab Separat Membranes & Membrane Proc, Tianjin 300387, Peoples R China; [An, Xiaochan; Wang, Ning; Wang, Tao; Liu, Zhongyun] Chinese Acad Sci, Yantai Inst Coastal Zone Res, Res Ctr Coastal Environm Engn & Technol Shandong, CAS Key Lab Coastal Environm Proc & Ecol Remediat, Yantai 264003, Shandong, Peoples R China; [An, Xiaochan] Univ Chinese Acad Sci, Beijing 100049, Peoples R China |
| 作者部门 | 海岸带环境工程技术研究与发展中心 |
| 英文摘要 | In this work, amphiphilic polyethylene glycol-block-polysulfone-block-polyethylene glycol (PEG-b-PSF-b-PEG) was used as a membrane support to fabricate a high-performance thin-film composite (TFC) forward osmosis (FO) membrane. A facile post-annealing approach was developed to simultaneously improve the water permeability and antifouling property of the TFC membrane having the PEG-b-PSF-b-PEG support without sacrificing its selectivity. The experimental results illustrate that a highly crosslinked polyamide with low reverse salt flux could be formed on the PEG-b-PSF-b-PEG support, and the post-annealing treatment could tailor the membrane structure and properties of the PEG-b-PSF-b-PEG support to decrease its structure parameter without affecting the polyamide. The annealed TFC membrane exhibited excellent permeability-selectivity, with a high A/B ratio of 19.6 bar(-1) (water permeability coefficient A of 1.76 LMH.bar(-1) and NaCl permeability coefficient B of 0.09 LMH). The static and dynamic antifouling performances of the annealed TFC membrane were also demonstrated, finding that little bovine serum albumin (BSA) was adsorbed on the PEG-b-PSF-b-PEG support surface, and a reduced water flux decline and a high water recovery were achieved compared with those of the control sample. Our work demonstrates that the amphiphilic PEG-b-PSF-b-PEG membrane can work as an ideal TFC support to break the permeability-selectivity trade-off of the TFC FO membrane and to improve its antifouling properties through post-annealing treatment. |
| 文章类型 | Article |
| 资助机构 | National Natural Science Foundation of ChinaNational Natural Science Foundation of China [21476249, 51708408] ; Program for Innovative Research Team in University of Tianjin [TD13-5044] ; Chang-jiang Scholars and Innovative Research Team in the University of Ministry of Education, China [IRT-17R80] ; Science and Technology Plans of Tianjin [17PTSYJC00060] |
| 收录类别 | SCI |
| 语种 | 英语 |
| 关键词[WOS] | INTERNAL CONCENTRATION POLARIZATION ; OSMOSIS MEMBRANES ; PERFORMANCE ; NANOFIBERS ; LAYER ; WATER ; DESALINATION ; IMPROVEMENT ; TECHNOLOGY ; ENERGY |
| 研究领域[WOS] | Materials Science, Multidisciplinary |
| WOS记录号 | WOS:000462373900001 |
| 引用统计 | |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://ir.yic.ac.cn/handle/133337/24973 |
| 专题 | 中国科学院海岸带环境过程与生态修复重点实验室_海岸带环境工程技术研究与发展中心 海岸带生物学与生物资源利用重点实验室_海岸带生物学与生物资源保护实验室 |
| 作者单位 | 1.Tianjin Polytech Univ, Sch Mat Sci & Engn, Natl Ctr Int Res Membrane Sci & Technol, State Key Lab Separat Membranes & Membrane Proc, Tianjin 300387, Peoples R China; 2.Chinese Acad Sci, Yantai Inst Coastal Zone Res, Res Ctr Coastal Environm Engn & Technol Shandong, CAS Key Lab Coastal Environm Proc & Ecol Remediat, Yantai 264003, Shandong, Peoples R China; 3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China |
| 推荐引用方式 GB/T 7714 | An, XC,Hu, YX,Wang, N,et al. Breaking the permeability-selectivity trade-off in thin-film composite polyamide membranes with a PEG-b-PSF-b-PEG block copolymer ultrafiltration membrane support through post-annealing treatment[J]. NPG ASIA MATERIALS,2019,11:13. |
| APA | An, XC,Hu, YX,Wang, N,Wang, T,&Liu, ZY.(2019).Breaking the permeability-selectivity trade-off in thin-film composite polyamide membranes with a PEG-b-PSF-b-PEG block copolymer ultrafiltration membrane support through post-annealing treatment.NPG ASIA MATERIALS,11,13. |
| MLA | An, XC,et al."Breaking the permeability-selectivity trade-off in thin-film composite polyamide membranes with a PEG-b-PSF-b-PEG block copolymer ultrafiltration membrane support through post-annealing treatment".NPG ASIA MATERIALS 11(2019):13. |
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