The effect of crosslinking polymer layer on the electrochemical properties of cation-exchange membrane

The paper deals with the surface modification of a heterogeneous cation-exchange membrane with the application for electrodialysis, electrodeionisation, and electrolysis. CM(H)-PP (cation exchange membrane based on polyethylene binder) membrane was covalently attached with poly(divinylbenzene-co-4-v...

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Bibliographic Details
Published in:Materials research innovations 2021-01, Vol.25 (1), p.16-22
Main Authors: Zarybnicka, Lucie, Stranska, Eliska, Machova, Dita
Format: Article
Language:English
Subjects:
cation-exchange membrane
Crosslinking
electrochemical properties
polypropylene
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Summary:The paper deals with the surface modification of a heterogeneous cation-exchange membrane with the application for electrodialysis, electrodeionisation, and electrolysis. CM(H)-PP (cation exchange membrane based on polyethylene binder) membrane was covalently attached with poly(divinylbenzene-co-4-vinylbenzylchloride). We have achieved better properties than commercially available heterogeneous ion-exchange membranes in the field of chemical, electrochemical properties by the formation of layer. Ion-exchange capacity was determined with maximum value 2.99 meq g −1 dry matter, area resistance 9.9 Ω cm 2 and specific resistance 149 Ω cm, permselectivity 93.4%.
ISSN:1432-8917
1433-075X
DOI:10.1080/14328917.2020.1725337