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Determination of the nonsolvent-polymer interaction parameter X 13 in the casting solutions
Li, ZS; Jiang, CZ
关键词Thermodynamics Interaction Parameter Intrinsic Viscosity
刊名JOURNAL OF MEMBRANE SCIENCE
2000-07-20
174期:1页:87-96
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Technology ; Physical Sciences
类目[WOS]Engineering, Chemical ; Polymer Science
研究领域[WOS]Engineering ; Polymer Science
关键词[WOS]PHASE-SEPARATION ; MEMBRANE FORMATION ; EXCLUDED-VOLUME ; SYSTEMS ; SOLVENT
英文摘要A new method to determine the nonsolvent-polymer interaction parameter chi(13) in the casting solutions was developed. With the measured intrinsic viscosities of the polymer in the mixed solvents with different concentrations, the nonsolvent-polymer interaction parameter chi(13) could be calculated by the application of the formalism proposed by Campos et al. The values of chi(13) in membrane-forming systems of nonsolvent/N-methyl-2-pyrrolidone (NMP)/polyethersulfone (PES) were obtained by the proposed method. The nonsolvents used were water, I-butanol and diethylene glycol (DegOH). The stronger the nonsolvent, the higher the value of chi(13). In addition, the concentration of the nonsolvent at the binodal curve increased with decreasing chi(13) The binodal curves for these membrane-forming systems predicted from the Flory-Huggins theory with chi(13) Obtained by the proposed method were consistent with measured cloud point curves, which confirmed that the method proposed here was reliable. (C) 2000 Elsevier Science B.V. All rights reserved.
语种英语
WOS记录号WOS:000087720300008
引用统计
被引频次:14[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/138749
专题中国科学院大连化学物理研究所
作者单位Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China
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Li, ZS,Jiang, CZ. Determination of the nonsolvent-polymer interaction parameter X 13 in the casting solutions[J]. JOURNAL OF MEMBRANE SCIENCE,2000,174(1):87-96.
APA Li, ZS,&Jiang, CZ.(2000).Determination of the nonsolvent-polymer interaction parameter X 13 in the casting solutions.JOURNAL OF MEMBRANE SCIENCE,174(1),87-96.
MLA Li, ZS,et al."Determination of the nonsolvent-polymer interaction parameter X 13 in the casting solutions".JOURNAL OF MEMBRANE SCIENCE 174.1(2000):87-96.
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