Calculation on phase diagrams of polyetherimide/N,N-dimethylacetamide/H2O-BuOH casting system and their relevance to membrane performances | |
Tan, Ming1,2; He, Gaohong1; Dai, Yan1; Wang, Rujie1; Shi, Wenhua1 | |
刊名 | FRONTIERS OF CHEMICAL SCIENCE AND ENGINEERING |
2014-09-01 | |
卷号 | 8期号:3页码:312-319 |
关键词 | phase diagram solubility parameter interaction parameter ultrafiltration Flory-Huggins theory |
英文摘要 | The ternary phase diagrams of polyetherimide (PEI)/N,N-dimethylacetamide (DMAc) with H2O and BuOH as non-solvent were simulated using solubility parameter and Flory-Huggins theory. The phase diagrams show that 5.5% H2O/BuOH system containing 5% BuOH and 0.5% H2O, or 6.5% H2O/BuOH system containing 6.2% BuOH and 0.3% H2O is required to induce liquid-liquid demixing for 20 wt-% PEI/DMAc casting solution. Therefore, BuOH can enhance the phase separation of the PEI casting solution and hereby induce higher porosity of the membrane, and the diffusion of BuOH into the water coagulation bath causes larger pore size easily compared with DMAc. Our predictions that the membrane pure water flux first increases then decreases, and the rejection ratio of bovine serum albumin decreases with the increasing concentration of BuOH were validated by the experiments using the prepared membranes. |
关键词[WOS] | HOLLOW-FIBER MEMBRANES ; INVERSION PROCESS ; ULTRAFILTRATION MEMBRANES ; GENETIC ALGORITHM ; TERNARY-SYSTEM ; NEURAL-NETWORK ; SOLVENT ; OPTIMIZATION ; MORPHOLOGY ; SEPARATION |
收录类别 | SCI |
语种 | 英语 |
WOS记录号 | WOS:000354904000007 |
公开日期 | 2015-03-25 |
内容类型 | 期刊论文 |
源URL | [http://ir.qibebt.ac.cn:8080/handle/337004/1782] |
专题 | 青岛生物能源与过程研究所_膜分离与催化团队 |
作者单位 | 1.Dalian Univ Technol, Sch Chem Engn, R&D Ctr Membrane Sci & Technol, State Key Lab Fine Chem, Dalian 116024, Peoples R China 2.Chinese Acad Sci, Qingdao Inst Bioenergy & Bioproc Technol, Key Lab Biobased Mat, Qingdao 266101, Peoples R China |
推荐引用方式 GB/T 7714 | Tan, Ming,He, Gaohong,Dai, Yan,et al. Calculation on phase diagrams of polyetherimide/N,N-dimethylacetamide/H2O-BuOH casting system and their relevance to membrane performances[J]. FRONTIERS OF CHEMICAL SCIENCE AND ENGINEERING,2014,8(3):312-319. |
APA | Tan, Ming,He, Gaohong,Dai, Yan,Wang, Rujie,&Shi, Wenhua.(2014).Calculation on phase diagrams of polyetherimide/N,N-dimethylacetamide/H2O-BuOH casting system and their relevance to membrane performances.FRONTIERS OF CHEMICAL SCIENCE AND ENGINEERING,8(3),312-319. |
MLA | Tan, Ming,et al."Calculation on phase diagrams of polyetherimide/N,N-dimethylacetamide/H2O-BuOH casting system and their relevance to membrane performances".FRONTIERS OF CHEMICAL SCIENCE AND ENGINEERING 8.3(2014):312-319. |
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