Ion exchange membranes based on silica and sulfonated copolymers of styrene with allyl glycidyl ether
- Authors: Lebedeva O.V.1, Malahova E.A.2, Sipkina E.I.1, Chesnokova A.N.1, Kuzmin A.V.3,4, Maksimenko S.D.1, Pozhidaev Y.N.1, Rzhechitskiy A.E.1, Raskulova T.V.2, Ivanov N.A.1
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Affiliations:
- Irkutsk National Research Technical University
- Angarsk State Technical University
- Limnological Institute, Siberian Branch
- Favorsky Institute of Chemistry of Irkutsk, Siberian Branch
- Issue: Vol 57, No 9 (2017)
- Pages: 763-769
- Section: Article
- URL: https://ogarev-online.ru/0965-5441/article/view/179514
- DOI: https://doi.org/10.1134/S0965544117090067
- ID: 179514
Cite item
Abstract
Proton-conducting membranes have been obtained by sol–gel synthesis involving tetraethyl orthosilicate and sulfonated suspension copolymers of styrene with allyl glycidyl ether. The membranes are gels consisting of a polymer matrix, in which silica particles are uniformly distributed. The synthesized membranes are characterized by the proton conductivity of up to 4.21 × 10–2 S/cm at 343 K and 75% humidity, an ion exchange capacity of 3.5 meq/g, a proton-transfer activation energy of 25.2 ± 2.6 kJ/mol, thermal stability of up to 130°C, and mechanical strength (tensile modulus of elasticity, 322 MPa).
About the authors
O. V. Lebedeva
Irkutsk National Research Technical University
Author for correspondence.
Email: lebedeva@istu.edu
Russian Federation, Irkutsk, 664074
E. A. Malahova
Angarsk State Technical University
Email: lebedeva@istu.edu
Russian Federation, Angarsk, 665835
E. I. Sipkina
Irkutsk National Research Technical University
Email: lebedeva@istu.edu
Russian Federation, Irkutsk, 664074
A. N. Chesnokova
Irkutsk National Research Technical University
Email: lebedeva@istu.edu
Russian Federation, Irkutsk, 664074
A. V. Kuzmin
Limnological Institute, Siberian Branch; Favorsky Institute of Chemistry of Irkutsk, Siberian Branch
Email: lebedeva@istu.edu
Russian Federation, Irkutsk, 664033; Irkutsk, 664033
S. D. Maksimenko
Irkutsk National Research Technical University
Email: lebedeva@istu.edu
Russian Federation, Irkutsk, 664074
Yu. N. Pozhidaev
Irkutsk National Research Technical University
Email: lebedeva@istu.edu
Russian Federation, Irkutsk, 664074
A. E. Rzhechitskiy
Irkutsk National Research Technical University
Email: lebedeva@istu.edu
Russian Federation, Irkutsk, 664074
T. V. Raskulova
Angarsk State Technical University
Email: lebedeva@istu.edu
Russian Federation, Angarsk, 665835
N. A. Ivanov
Irkutsk National Research Technical University
Email: lebedeva@istu.edu
Russian Federation, Irkutsk, 664074
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