[KSCI] Korea Science Citation Index Service

Diffusion of Water in Sulfonated Polystyrene Ionomers

Manoj, N.R. (Naval Materials Research Laboratory Anand Nagar)
Ratna, D. (Naval Materials Research Laboratory Anand Nagar)
Weiss, R.A. (Institute of Materials Science University of Connecticut)

Publication Information

Macromolecular Research / v.12, no.1, 2004 , pp. 26-31 More about this Journal

Abstract

Using gravimetry, we have studied the diffusion of water into sulfonated polystyrene ionomers. Diffusion coefficients were calculated from Fick's equation. The water sorption was found to be dependent on the ion content (3.6-11 mol％) and the nature of the cation (H, Na, Li, or Zn). The sorption kinetics indicates a slight deviation from Fickian behavior. We used the analytical solution of Fick's equation to evaluate the concentration profiles, which are in good agreement with the experimental results.

Keywords

diffusion; sorption; barrier polymers; ionic polymers; ionomers; sulfonated polystyrene.;

Citations & Related Records

Times Cited By Web Of Science : 1 (Related Records In Web of Science)
Times Cited By SCOPUS : 1

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