Korean Membrane Journal

The Membrane Society of Korea (한국막학회)
권호 표지

Effects of Annealing on the Structural Deformation of Polyelectrolyte Complexes based on Two Anionic Polysaccharides

  • Kim, Sang-Gyun (Innovative Graduate School of Energy & Environmental Materials, Chungnam Nat'l University) ;
  • Lee, Kew-Ho (Nat'l Research Lab. For Functional Membranes, Korea Research Institute of Chemical Technology)
  • Published : 2008.12.31
Download PDF
⟨ Previous Next ⟩

Abstract

Polyelectrolyte complex based on two anionic polysaccharides, composed of sodium alginate and carrageenan, were prepared by interacting with divalent calcium ions in solution. The effects of annealing on the structural deformation of polyelectrolyte complex and on their characteristics at removing water from a methanol mixture from the point of molecular sieve were investigated and discussed. The result showed that the structural deformation of the annealed polyelectrolyte complex has an effect on the free volume between these polymer chains and the chelate segments such a shrinking of the overall morphology, which act as a molecular sieve in the separation of methanol and water mixtures.

Keywords

References

  1. U. Sander and H. Janssen, J. Membr. Sci., 61, 113 (1991) https://doi.org/10.1016/0376-7388(91)80010-4
  2. B. Will and R. N. Lichtentthaler, J. Membr. Sci., 68, 119 (1992) https://doi.org/10.1016/0376-7388(92)80154-C
  3. M. S. Schehlmann, E. Wiedemann, and R. N. Lichtentthaler, J. Membr. Sci., 107, 277 (1995) https://doi.org/10.1016/0376-7388(95)00142-6
  4. M. M. Yoshikawa, T. Wian, S. Kuno, and T. Kitao, Proceedings of the 6th International Conference on Pervaporation Processes in the Chemical Industry, Bakish Materials Corp., p. 178 (1992)
  5. K. M. Devaine, A. J. Meier, and C. S. Slater, Proceedings of the 7th International Conference on Pervaporation Processes in the Chemical Industry, Bakish Materials Corp., p. 218 (1995)
  6. M. Yalpani, Polysaccharides, Chapter 2, Elsevier Science Publishers B. V., Amsterdam, Netherlands (1988)
  7. S. G. Kim, K. S. Lee, and K. H. Lee, J. Appl. Polym. Sci., 103, 2634 (2007) https://doi.org/10.1002/app.25386
  8. E. R. Morris, D. A. Rees, D. Thom, and J. Boyd, J. Carbohydr. Res., 66, 145 (1978) https://doi.org/10.1016/S0008-6215(00)83247-4
  9. E. R. Morris, Brit. Polym. J., 18, 14 (1986) https://doi.org/10.1002/pi.4980180105
  10. A. D. Wilson and S. Crisp, Brit. Polym. J., 7, 279 (1975) https://doi.org/10.1002/pi.4980070502
  11. J. H. Kim, S. B. Lee, and X. Feng, Korean Membrane J., 8, 36 (2006)