综述了聚合物膜制备过程中的相关基础问题和取得的研究进展.通过铸膜液邻近比和凝胶邻近比描述制膜体系的热力学状态和凝胶特性,借助于延迟相分离时间与凝胶时间来描述膜的形成过程.通过“黏性指进”来解释大孔腔的形成,从铸膜液邻近比和厚度梯度膜的概念上调控膜结构在指状孔与海绵状孔之间的转变.对于中空纤维和平板膜的制备来说,铸膜液的流变特性强烈影响着膜的结构与分离性能.通过Extreme模型把孔径分布函数与截留分子量关联在一起,对表征膜的分离特性起到指导作用.
参考文献
| [1] | Loeb S;Sourirajan S .Sea water demineralization by means of an osmotic membranes[J].Advances in Chemistry Series,1962,38(01):117-119. |
| [2] | Strathmann H;Scheible P;Baker R W .A rational for the preparation of Lob-Sourirajan type cellulose acetate[J].Journal of Applied Polymer Science,1971,15(04):811-828. |
| [3] | Li SG.;Smolders CA.;Strathmann H.;Vandenboomgaard T. .PHYSICAL GELATION OF AMORPHOUS POLYMERS IN A MIXTURE OF SOLVENT AND NONSOLVENT[J].Macromolecules,1996(6):2053-2059. |
| [4] | Amauts J;Berghmans H .Amorphous thermoreversible gels of atactic polystyrene[J].Polymer Communications,1987,28:66-68. |
| [5] | 王连军,李恕广,江成璋.PES制膜体系凝胶时间的研究[J].膜科学与技术,2001(03):16-20. |
| [6] | 何涛,江成璋.聚醚砜微孔膜制备中非溶剂添加剂作用研究[J].膜科学与技术,1998(03):43-48. |
| [7] | Ren J;Li Z;Wong F S .Membrane structure control of asymmetric BTDA-TDI/MDI (P84) co-polyimidemembranes by phase inversion process[J].Journal of Membrane Science,2004,241:305-314. |
| [8] | Reuvers A J;Smolders C A .Formation of membranes by means of immersion precipitation:Part Ⅱ.The mechanism of formation of membranes prepared from the system cellulose acetate-acetone-water[J].Journal of Membrane Science,1987,34(01):67-86. |
| [9] | Strathmann H;Kock K;Amar P et al.The formation mechanism of asymmetric membranes[J].Desalination,1975,16(01):179-203. |
| [10] | Scott A. McKelvey;William J. Koros .Phase separation, vitrification, and the manifestation of macrovoids in polymeric asymmetric membranes[J].Journal of Membrane Science,1996(1):29-39. |
| [11] | Shojaie S S;Krantz W B;Greenberg A R .Dense polymer film and membrane formation via the dry-cast process(Ⅱ).Model validation and morphological study[J].Journal of Membrane Science,1994,94(01):281-298. |
| [12] | Jizhong Ren;Jingqian Zhou;Maicun Deng .Morphology transition of asymmetric polyetherimide flat sheet membranes with different thickness by wet phase-inversion process[J].Separation and Purification Technology,2010(1):119-129. |
| [13] | Vogrin N.;Stropnik C.;Musil V.;Brumen M. .The wet phase separation: the effect of cast solution thickness on the appearance of macrovoids in the membrane forming ternary cellulose acetate/acetone/water system[J].Journal of Membrane Science,2002(1):139-141. |
| [14] | Dongfei Li;Tai-Shung Chung;Jizhong Ren;Rong Wang .Thickness Dependence of Macrovoid Evolution in Wet Phase-Inversion Asymmetric Membranes[J].Industrial & Engineering Chemistry Research,2004(6):1553-1556. |
| [15] | Jingqian Zhou;Jizhong Ren;Li Lin .Morphology evolution of thickness-gradient membranes prepared by wet phase-inversion process[J].Separation and Purification Technology,2008(2):484-486. |
| [16] | Jizhong Ren;Jingqian Zhou;Maicun Deng .Morphology transition of asymmetric flat sheet and thickness-gradient membranes by wet phase-inversion process[J].Desalination: The International Journal on the Science and Technology of Desalting and Water Purification,2010(1/3):1-8. |
| [17] | 周敬倩,任吉中,林立,邓麦村.γ-丁内酯对聚醚酰亚胺膜结构形态的影响[J].膜科学与技术,2009(04):34-38. |
| [18] | Chung TS.;Vora RH.;Lin WH. .The effect of shear rates on gas separation performance of 6FDA-durene polyimide hollow fibers[J].Journal of Membrane Science,2000(1):55-66. |
| [19] | lsmail A F;Shilton S J;Dunkin I R et al.Direct measurement of rheologically induced molecular orientation in gas separation hollow fiber membranes and effects on selectivity[J].Journal of Mcrnbr Sci,1997,126:133-137. |
| [20] | Ren JZ.;Chung TS.;Li DF.;Wang R.;Liu Y. .Development of asymmetric 6FDA-2,6 DAT hollow fiber membranes for CO2/CH4 separation - 1. The influence of dope composition and rheology on membrane morphology and separation performance[J].Journal of Membrane Science,2002(2):227-240. |
| [21] | Ren JZ;Li ZS;Wang R .Effects of the thermodynamics and rheology of BTDA-TDI/MDI co-polyimide (P84) dope solutions on the performance and morphology of hollow fiber UF membranes[J].Journal of Membrane Science,2008(1/2):196-208. |
| [22] | O.M. Ekiner;G. Vassilatos .Polyaramide hollow fibers for H_2/CH_4 separation II. Spinning and properties[J].Journal of Membrane Science,2001(1):71-84. |
| [23] | Ren J;Wang R.The preparation of polymeric membranes[A].New York:Hurnana Press,2011:47-95. |
| [24] | Qin J J;Wang R;Chung T S .Investigation of shear stress effect within a spinneret on flux,separation and thermomechanical properties of hollow fiber ultrafiltration membranes[J].Journal of Membrane Science,2001,175:197-213. |
| [25] | Ismail A F;Lai P Y .Effects of phase inversion and rheological factors on the defect-free and ultrathinskinned asymmetric polysulfone membranes for gas separation[J].Separation and Purification Technology,2003,33:127-143. |
| [26] | Ren J;Li Z;Wong F S .A new method for the prediction of pore size distribution and MWCO for ultrafiltration membranes[J].Journal of Membrane Science,2006,279:558-569. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%