ESR and NMR probes of counter-ion effects in perfluorosulfonate ionomer membranes

Journal of Membrane Science

Volumn 148, Issue 2, 1998, Pages 173-184

  Won Kang, Hye ^a   Moran, Grainne ^a  

^a UNIVERSITY OF NEW SOUTH WALES   (Australia)

Author keywords

14N NMR; ESR; Nation; Nitroxides

Indexed keywords

AMMONIUM COMPOUNDS; DIFFUSION IN SOLIDS; FLUORINE CONTAINING POLYMERS; FREEZING; ION EXCHANGE MEMBRANES; IONOMERS; METHANOL; NITROGEN OXIDES; NUCLEAR MAGNETIC RESONANCE SPECTROSCOPY; RELAXATION PROCESSES; SWELLING; THERMAL EFFECTS;

NAFION MEMBRANES;

POLYMERIC MEMBRANES;

2,2,6,6 TETRAMETHYLPIPERIDINE 1 OXYL; CATION; ISOTOPE; METHANOL; NITROGEN 14; NITROXIDE; PERFLUOROSULFONIC ACID; PIPERIDINE DERIVATIVE; SOLVENT; SULFONIC ACID DERIVATIVE; TEMPOL; TETRAALKYLAMMONIUM CATION; UNCLASSIFIED DRUG;

ARTICLE; CONTROLLED STUDY; ELECTRON SPIN RESONANCE; ION EXCHANGE; MEMBRANE TRANSPORT; MOTION; NUCLEAR MAGNETIC RESONANCE; PRIORITY JOURNAL; TEMPERATURE DEPENDENCE;

EID: 0344541991     PISSN: 03767388     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0376-7388(98)00180-X     Document Type: Article

References (30)

1. A. Eisenberg, H.L. Yeager (Eds.), Perfluorinated Ionomer Membranes, ACS Symposium Series, vol. 180, 1982.
2. R.A. Weiss, W.J. MacKnight, R.D. Lundberg, K.A. Mauritz, C. Thies, D.A. Brant, in: A. Eisenberg, F.E. Bailey (Eds.), Coulombic Interactions in Macromolecule Systems, ACS Symposium Series, vol. 320, 1986.
3. M. Pineri, A. Eisenberg (Eds.), Structure and Properties of Ionomers, Reidel, Dordrecht, 1987.
4. Heitnerwirguin C. Recent advances in perfluorinated ionomer membranes - structure properties and applications. J. Membr. Sci. 120:1996;1.
5. S. Schlick (Ed.), Ionomers: Characterization, Theory and Applications, CRC Press, Boca Raton, 1996.
6. Eisenberg A., Hird B., Moore R.B. A new multiplet-cluster model for the morphology of random ionomers. Macromolecules. 23:1990;4097.
7. Cable K.M., Mauritz K.A., Moore R.B. Effects of hydrophilic and hydrophobic counterions on the coulombic interactions in perfluorosulfonate ionomers. J. Polym. Sci., Part B, Polym. Phys. 33:1995;1065.
8. Pasternak M., Dorowala T.G. Preferential removal of alcohol from aqueous solutions by ion exchange membranes containing organic counterions. J. Polym. Sci., Part A, Polym. Chem. 29:1991;915.
9. Martin C.R., Rhoades A.T., Ferguson J.A. Dissolution of perfluorinated ion containing polymers. Anal. Chem. 54:1982;1639.
10. Pilar J., Labsky J., Schlick S. ESR of soluble Nafion and Nafion membranes spin-labelled via the ionic bond. J. Phys. Chem. 99:1995;12947.
11. Ristori S., Martini G., Schlick S. Paramagnetic probes for the investigation of ordered and disordered perfluorosurfactants, perfluoropolyethers and perfluorinated ionomers. Adv. Colloid Interface Sci. 57:1995;65.
12. 4 transport in polyperfluorosulfonate ionomers: Effects of polar solvents on permeation and solubility. J. Membr. Sci. 99:1995;163.
13. Cabasso I., Liu Z.Z., Makenzie T. The permselectivity of ion exchange membranes for non-electrolyte liquid mixtures II. The effect of counterions. J. Membr. Sci. 28:1986;109.
14. J.L. Koenig, Spectroscopy of Polymers, American Chemical Society, 1992.
15. L.J. Berliner, in: L.J. Berliner, J. Reuben (Eds.), Biological Magnetic Resonance, Plenum Press, New York, 1989.
16. Pitt C.G., Wang J., Shah S.S., Sik R., Chignell C.F. ESR spectroscopy as a probe of the morphology of hydrogels and polymer-polymer blends. Macromolecules. 26:1993;2159.
17. Windle J.J., Scherrer R. ESR spin probe study of water within covalently crosslinked, dextran-based microbead hydrogels. Magn. Reson. Chem. 30:1992;927.
18. Martini G., Ottaviani M.F., Ristori S., Visca M. Nitroxide radicals as probes for water mobility in perfluorinated membranes. J. Colloid Interface Sci. 128:1989;76-87.
19. Schlick S., Alonso-Amigo G.G. Local environment and clustering of cations in ionomers. Electron spin resonance of copper(2+) in Nafion swollen by water, methanol, dimethylformamide and tetrahydrofuran. Macromolecules. 22:1989;2634.
20. Kutsumizu S., Hara H., Schlick S. Self-assembling of ethylene-methacrylic acid ionomers in aqueous solutions and as swollen membranes, from ESR spectra of amphiphilic probes. Macromolecules. 30:1997;2320.
21. Witanowski M., Sefanaiak L., Webb G.A. Nitrogen NMR spectroscopy. Ann. Rep. NMR Spectrosc. 25:1993;1.
22. 4 as a probe of ion exchange membranes Magn. Reson. Chem. 32:1994;446.
23. 14N NMR spectroscopy of nitrate co-ions in ionomer membranes Macromolecules. 30:1997;4357.
24. D. Schneider, J.H. Freed in Biological Magnetic Resonance, in: J. Berliner, Reuben (Eds.), Plenum Press, New York, 1989, pp. 1-76.
25. Budil D.E., Lee S., Saena S., Freed J.H. J. Magn. Reson., Ser. A. 120:1996;155.
26. Windle J.J. Hyperfine coupling constants for nitroxide spin probes in water and carbon tetrachloride. J. Magn. Reson. 45:1981;432.
27. Ottaviani M.F., Baglloni P., Martini G. Nitroxide radicals as probes for water mobility in perfluorinated membranes. J. Phys. Chem. 87:1983;3146.
28. Ottaviani M.F., Martini G., Nuti L. Nitrogen hyperfine splitting constant of nitroxide solutions: differently structured and charged nitroxides as probes of environmental properties. Magn. Reson. Chem. 25:1987;897.
29. 14N NMR spectroscopy Bull. Magn. Res. 18:1996;137.
30. Fan X.-D., Bazuin G. Sulfonated polystyrene ionomers neutralised by bi- and multifunctional organic cations. 1. An infra-red spectroscopic study. Macromolecules. 28:1995;8209.