Morphology transition of asymmetric polyetherimide flat sheet membranes with different thickness by wet phase-inversion process

Separation and Purification Technology

Volumn 74, Issue 1, 2010, Pages 119-129

  Ren, Jzhong ^a   Zhou, Jingqian ^a   Deng, Maicun ^a  

^a DALIAN INSTITUTE OF CHEMICAL PHYSICS   (China)

Author keywords

Approaching ratio; Critical structure transition thickness; Flat sheet membrane; Membrane structure

Indexed keywords

MEMBRANE STRUCTURES; MEMBRANES; MORPHOLOGY; POLYETHYLENES;

APPROACHING RATIO; CRITICAL STRUCTURES; DIFFERENT THICKNESS; FINGER-LIKE STRUCTURE; FLAT SHEET MEMBRANES; MORPHOLOGY TRANSITIONS; SPONGELIKE STRUCTURE; THERMODYNAMIC BEHAVIORS;

PHASE TRANSITIONS;

EID: 79955855709     PISSN: 13835866     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.seppur.2010.05.014     Document Type: Article

References (25)

1. M.H.V. Mulder, Basic Principals of Membrane Technology, Kluwer Academic Press, Dordrecht, 1991.
2. S. Loeb, S. Sourirajan, Sea water demineralization by means of an osmotic membranes, Adv. Chem. Ser. 38 (1963) 117.
3. H. Strathmann, P. Scheible, R.W. Baker, A rational for the preparation of Loeb-Sourirajan type cellulose acetate, J. Appl. Polym. Sci. 15 (1971) 811.
4. F.W. Altena, C.A. Smolders, Calculation of liquid-liquid phase separation in a ternary system of a polymer in a mixture of a solvent and a nonsolvent, Macromolecules 15 (1982) 1491.
5. S.G. Li, T. van den Boomgaard, C.A. Smolders, H. Strathmann, Physical gelation of amorphous polymers in amixture of solvent and nonsolvent, Macromolecules 29 (1996) 2053.
6. S.G. Li, Preparation of hollow fiber membranes for gas separation, Ph.D. thesis, University of Twente, NL, 1994.
7. L. Wang, Z. Li, J. Ren, S.G. Li, C. Jiang, Preliminary studies on the gelation time of poly(ether sulfones) membrane-forming system with an elongation method, J. Membr. Sci. 275 (2006) 46.
8. R.M. Boom, T. van den Boomgaard, J.W.A. van den Berg, C.A. Smolders, Linearized cloudpoint curve correlation for ternary systems consisting of one polymer, one solvent and one non-solvent, Polymer 34 (1993) 2348.
9. W.F.C. Kools, T. van den Boomgaard, H. Strathmann, Considerations and restrictions on the theoretical validity of the linearized cloudpoint correlation, Polymer 39 (1998) 4835.
10. T. He, C.Z. Jiang, Effects of nonsolvent additives on performance of poly(ether sulfone) microporous membranes, Membr. Sci. Technol. 18 (1998) 43.
11. Z. Li, C. Jiang, Investigation into the rheological properties of PES/NMP/nonsolvent membrane-forming systems, J. Appl. Polym. Sci. 82 (2001) 283.
12. J. Ren, Z. Li, F.S. Wong, Membrane structure control of BTDA-TDI/MDI (P84) copolyimide asymmetric membranes by wet-phase inversion process, J. Membr. Sci. 241 (2004) 305.
13. A.J. Reuvers, C.A. Smolders, 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. Membr. Sci. 34 (1987) 67.
14. P. van de Witte, P.J. Dijkstra, J.W.A. van den Berg, J. Feijen, Review: Phase separation processes in polymer solutions in relation to membrane formation, J. Membr. Sci. 117 (1996) 1.
15. C.A. Smolders, A.J. Reuvers, R.M. Boom, I.M. Wienk, Microstructures in phaseinversion membranes. Part 1: Formation of macrovoids, J. Membr. Sci. 73 (1992) 259.
16. N. Vogrin, C. Stropnik, V. Musil, M. Brumen, 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. Membr. Sci. 207 (2002) 139.
17. D. Li, T.S. Chung, J. Ren, R. Wang, Thickness dependence of macrovoid evolution in wet phase-inversion asymmetric membranes, Ind. Eng. Chem. Res. 43 (2004) 1553.
18. J. Zhou, J. Ren, L. Lin, M. Deng, Morphology evolution of thickness-gradient membranes prepared by wet phase-inversion process, Sep. Purif. Technol. 63 (2008) 484.
19. A. Conesa, T. Gumi, C. Palet, Membrane thickness and preparation temperature as key parameters for controlling the macrovoid structure of chiral activated membranes (CAM), J. Membr. Sci. 287 (2007) 29.
20. D. Li, T.S. Chung, R. Wang, Morphological aspects and structure control of dual-layer asymmetric hollow fiber membranes formed by a simultaneous co-extrusion approach, J. Membr. Sci. 243 (2004) 155.
21. A.F.W. Barton, Handbook of solubility parameters and other cohersive parameters, in: Cohesion Parameters and Liquid State Thermodynamic Data, CRC Press, Boca Raton, 1983 (Chapter 7).
22. B. Liu, Q. Du, Y. Yang, The phase diagrams of mixtures of EVAL and PEG in relation to membrane formation, J. Membr. Sci. 180 (2000) 81.
23. S. Li, C. Jiang, Y. Zhang, The investigation of solution thermodynamics for the polysulfone-DMAC-water system, Desalination 62 (1987) 79.
24. T.H. Young, L.W. Chen, Pore formation mechanism of membranes from phase inversion process, Desalination 103 (1995) 233.
25. J. Ren, J. Zhou, M. Deng, Morphology transition of asymmetric flat sheet and thickness-gradient membranes by wet phase-inversion process, Desalination 253 (2010) 1.