Formation of crystalline EVAL membranes by controlled mass transfer process in water-DMSO-EVAL copolymer systems

Journal of Membrane Science

Volumn 145, Issue 1, 1998, Pages 77-90

  Cheng, Liao Ping ^a   Young, Tai Horng ^b   You, Wei Ming ^a  

^a TAMKANG UNIVERSITY   (Taiwan)

^b NATIONAL TAIWAN UNIVERSITY   (Taiwan)

Author keywords

Crystallization; Diffusion; EVAL; Immersion precipitation; Liquid liquid demixing

Indexed keywords

AMORPHOUS MATERIALS; COMPOSITION EFFECTS; COPOLYMERS; CRYSTALLIZATION; MASS TRANSFER; MORPHOLOGY; POLYETHYLENES; POLYVINYL ALCOHOLS; PRECIPITATION (CHEMICAL); SOLVENTS;

LIQUID-LIQUID DEMIXING;

POLYMERIC MEMBRANES;

COPOLYMER; DIMETHYL SULFOXIDE; ETHYLENE VINYL ALCOHOL COPOLYMER;

ARTICLE; CRYSTALLIZATION; MEMBRANE FORMATION; MEMBRANE TRANSPORT; PHASE SEPARATION; PRECIPITATION; PRIORITY JOURNAL;

EID: 0032562926     PISSN: 03767388     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0376-7388(98)00063-5     Document Type: Article

References (28)

1. Maier K., Scheuermann E. Über die Bildungsweise teildurchlässiger Membranen. Kolloid Z. 171:1960;122.
2. R.E. Kesting, Synthetic Polymeric Membranes, Wiley, New York, 1985.
3. M. Mulder, Basic Principles of Membrane Technology, Kluwer Academic Publishers, Dordrecht, 1991.
4. Cheng L.P., Dwan A.W., Gryte C.C. Isothermal phase behavior of nylon-6, -66, and -610 polyamides in formic acid-water systems. J. Polym. Sci., Polym. Phys. Ed. 32:1994;1183.
5. Cheng L.P., Dwan A.W., Gryte C.C. Membrane formation by isothermal precipitation in polyamide-formic acid-water systems. I. Description of membrane morphology. J. Polym. Sci., Polym. Phys. 33:1995;211.
6. Bulte A.M.W., Folkers B., Mulder M.H.V., Smolders C.A. Membranes of semicrystalline aliphatic polyamide nylon 4,6: Formation by diffusion-induced phase separation. J. Appl. Polym. Sci. 50:1993;13.
7. Bulte A.M.W., Mulder M.H.V., Smolders C.A., Strathmann H. Diffusion induced phase separation with crystallizable nylons. I. Mass transfer processes for nylon 4,6. J. Membr. Sci. 121:1996;37.
8. B. Wunderlich, Macromolecular Physics, Academic Press, New York, 1973.
9. Cheng L.P., Dwan A.W., Gryte C.C. Membrane formation by isothermal precipitation in polyamide-formic acid-water systems. II. Precipitation dynamics. J. Polym. Sci., Polym. Phys. 33:1995;223.
10. Cheng L.P., Lin H.Y., Chen L.W., Young T.H. Solute rejection of dextran by EVAL membranes with asymmetric and particulate morphologies. Polymer. 39:1998;2135.
11. Young T.H., Lai J.Y., You W.M., Cheng L.P. Equilibrium phase behavior of the membrane forming water-DMSO-EVAL copolymer system. J. Membr. Sci. 128:1997;55.
12. Cohen C., Tanny G.B., Prager S. Diffusion controlled formation of porous structures in ternary polymer solutions. J. Polym. Sci., Polym. Phys. Ed. 17:1979;477.
13. Reuvers A.J., van den Berg J.W.A., Smolders C.A. Formation of membranes by means of immersion precipitation. Part I. A model to describe mass transfer during immersion precipitation. J. Membr. Sci. 34:1987;45.
14. 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 CA/acetone/water. J. Membr. Sci. 34:1987;67.
15. Tsay C.S., McHugh A.J. Mass transfer modeling of asymmetric membrane formation by phase inversion. J. Polym. Sci., Polym. Phys. Ed. 28:1990;1327.
16. Cheng L.P., Soh Y.S., Dwan A.W., Gryte C.C. An improved model for mass transfer during the formation of polymeric membranes by the immersion-precipitation process. J. Polym. Sci., Polym. Phys. Ed. 32:1994;1413.
17. Vrentas J.S., Duda J.L. Prediction of diffusion coefficients for polymer-solvent systems. AIChE J. 28:1982;279.
18. D.D. Fitts, Nonequilibrium Thermodynamics, McGraw-Hill, New York, 1962.
19. L.P. Cheng, Doctoral Dissertation, Columbia University, New York, 1993.
20. Dunlop P.J. Frictional coefficients for binary and ternary isothermal diffusion. J. Phys. Chem. 68:1964;26.
21. R.C. Reid, J.M. Prausnitz, T.K. Sherwood, The Properties of Gases and Liquids, 3rd ed., McGraw-Hill, New York, 1997.
22. Cheng L.P., Dwan A.W., Gryte C.C. Measurements of mutual diffusivities in concentrated solutions of membrane-forming polyamides and cellulose acetate. J. Appl. Polym. Sci. 57:1995;563.
23. Matsumoto T., Nakamae K., Ochiumi T., Horie S. Effect of molecular weight of ethylene-vinyl alcohol copolymer on membrane properties. J. Membr. Sci. 9:1981;109.
24. McHugh A.J., Tsay C.S. Dynamics of the phase inversion process. J. Appl. Polym. Sci. 46:1992;2011.
25. H. Strathmann, Production of microprobes media by phase inversion process, in: D.R. Lloyd (Ed.), Material Science of Synthetic Membrane, ACS Symposium Series, 1985.
26. Smolders C.A., Reuvers A.J., Boom R.M., Wienk I.M. Microstructures in phase-inversion membranes. Part 1. Formation of macrovoids. J. Membr. Sci. 73:1992;259.
27. Young T.H., Chen L.W. A two step mechanism of diffusion controlled ethylene vinyl alcohol membrane formation. J. Membr. Sci. 57:1991;69.
28. McKelvey S.A., Koros W.J. Phase separation, vitrification, and manifestation of macrovoids in polymeric asymmetric membranes. J. Membr. Sci. 112:1996;29.