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Journal of Applied Electrochemistry

, Volume 11, Issue 2, pp 165–171 | Cite as

Correlation between structure and properties of cation-exchange membranes prepared by the paste method

  • M. Nishimura
  • Y. Mizutani
Papers

Abstract

By using cation-exchange membranes prepared by the paste method, a study was made of the influence of the distribution of polyvinyl chloride (PVC) on the electrical conductivity of the membranes and on the structure of the cation-exchange resin component (R-resin). Four kinds of cation-exchange membranes with different PVC contents and degrees of cross-linking were used. The experimental method involved treatment with hydrogen peroxide for selective decomposition of the R-resin. The estimated ratio of the specific electrical conductivity of the R-resin to that of the membrane varied from 2.2 to 4.4, depending upon the volume ratio of PVC in the membrane (0.33–0.45). Each of the membranes had a very high concentration of ion-exchange groups for cross-linking. This could be explained in terms of the mechanical and chemical restraint imposed by the PVC against the swelling of the R-resin. The structure of the R-resin, however, was almost independent of the PVC volume ratio over the range investigated.

Keywords

Hydrogen Chloride Physical Chemistry Hydrogen Peroxide Electrical Conductivity 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Chapman and Hall Ltd 1981

Authors and Affiliations

  • M. Nishimura
    • 1
  • Y. Mizutani
    • 1
  1. 1.Research and Development DivisionTokuyama Soda Co. LtdTokuyama City, Yamaguchi PrefectureJapan

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