Development and characterization of crosslinked ionomer membranes based upon sulfinated and sulfonated PSU. Crosslinked PSU blend membranes by disproportionation of sulfinic acid groups

Journal of Membrane Science

Volumn 139, Issue 2, 1998, Pages 211-225

  Kerres, Jochen ^a   Cui, Wei ^a   Disson, Ralf ^a   Neubrand, Wolfgang ^a  

^a UNIVERSITY OF STUTTGART   (Germany)

Author keywords

Crosslinked sulfonated PSU blend membranes; Disproportionation; Permeability; Permselectivity; PSU Udel; Resistance; Sulfinate; Sulfonate; Swelling

Indexed keywords

CARBOXYLIC ACIDS; CROSSLINKING; ELECTRODIALYSIS; ION EXCHANGE MEMBRANES; IONOMERS; MECHANICAL PERMEABILITY; PERMSELECTIVE MEMBRANES; POLYELECTROLYTES; POLYMER BLENDS; SULFONATION; SULFUR COMPOUNDS; THERMODYNAMIC STABILITY;

DISPROPORTIONATION; SULFINIC ACID;

POLYMERIC MEMBRANES;

POLYETHERSULFONE; POLYMER; UNCLASSIFIED DRUG;

ARTICLE; ARTIFICIAL MEMBRANE; CROSS LINKING; ELECTRIC RESISTANCE; ELECTRODIALYSIS; ION EXCHANGE; ION TRANSPORT; MEMBRANE FORMATION; MEMBRANE PERMEABILITY; PRIORITY JOURNAL; THERMOSTABILITY;

EID: 0032542501     PISSN: 03767388     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0376-7388(97)00253-6     Document Type: Article

References (16)

1. [1] P. Zschocke, D. Quellmalz, Novel ion exchange membranes based on an aromatic polysulfone, J. Membr. Sci. 22 (1985) 325-332.
2. [2] K. Kusomoto, T. Sata, Y. Mizutani, Modification of anion-exchange membranes with polystyrene sulfonic acid, Polym. J. 8 (1976) 225-226.
3. [3] W.A. McRae, S.S. Alexander, Sulfonation agent and its use in preparing cation-exchange membranes, U.S. Patent 2,962,454, 1960.
4. [4] G.G. Scherer, Polymer membranes for fuel cells, Ber. Bunsenges. Phys. Chem. 94 (1990) 1008-1014.
5. [5] R.A. Assink, C. Arnold, Jr. Roger, P. Hollandsworth, Preparation of oxidatively stable cation-exchange membranes by the elimination of tertiary hydrogens, J. Membr. Sci. 56 (1991) 143-151.
6. [6] F. Helmer-Metzmann, F. Osan, A, Schneller, H. Ritter, K. Ledjeff, R. Nolte, R. Thorwirth, Polymerelektrolyt-Membran und Verfahren zu ihrer Herstellung, EP 0 574 791, 1993.
7. [7] R. Nolte, K. Ledjeff, M. Bauer, R. Mülhaupt, Partially sulfonated poly(arylene ether sulfone) - A versatile proton conducting material for modern energy conversion technologies, J. Memb. Sci. 83 (1993) 211-220.
8. [8] J. Kerres, W. Cui, W. Schnurnberger, Vernetzung von modifizierten Engineering Thermoplasten, German Patent Application 19622337.7 from June 4th, 1996.
9. [9] J. Kerres, W. Cui, S. Reichle, New sulfonated engineering polymers via the metalation route. 1. Sulfonated poly(ethersulfone) PSU Udel® via metalation-sulfination-oxidation, J. Polym. Sci.: Part A: Polym. Chem. 34 (1996) 2421-2438.
10. [10] J.L. Kice, N.E. Pawlowski, The mechanism of the disproportionation of sulfinic acids. The thermal decomposition of p-toluenesulfinyl p-tolyl sulfone and its reaction with p-toluenesulfinic acid, J. Org. Chem. 28 (1963) 1162-1163.
11. [11] T. Okuyama, Sulfinate ions as nucleophiles, in: S. Patai (Ed.), The Chemistry of Sulphinic Acids, Esters and their Derivatives, Wiley, New York, 1990, pp. 639-664.
12. [12] C.J.M. Stirling, Sulphinic acids and carboxylic acids - A comparison, in: S. Patai (Ed.), The Chemistry of Sulphinic Acids, Esters and their Derivatives, Wiley, New York, 1990, pp. 1-7.
13. [13] J. Kerres, W. Cui, W. Neubrand, S. Springer, S. Reichle, B. Striegel, G. Eigenberger, W. Schnurnberger, D. Bevers, N. Wagner, K. Bolwin, Synthesis of new sulfonated polymers and their application in electro-membrane processes, Lecture, Euromembrane '95 Congress, Bath (UK), 18 to 20th Sept 1995, Proceedings, 1995, pp. I-284-I-289.
14. [14] B.J. Lindberg, Studies on sulfinic acids. V. Correlation of the IR-frequencies of the sulfur-oxygen bonds in substituted aromatic sulfinates and sulfonates with Hammet substituent constants, Acta Chem. Scand. 21 (1967) 841-842.
15. [15] F. Helfferich, Ion Exchangers, Vol. 1, McGraw-Hill, New York, 1962.
16. [16] A.J. van Zyl, J. Kerres, W. Cui, Application of new sulfonated ionomer membranes in the separation of pentene and pentane by facilitated transport, J. Membr. Sci. 137 (1997) 173.