Proton-conductive membranes of sulfonated polyphenylsulfone

A. Dyck; D. Fritsch; S. P. Nunes

doi:10.1002/app.11264

Proton-conductive membranes of sulfonated polyphenylsulfone

A. Dyck, D. Fritsch, S. P. Nunes

Research output: Contribution to journal › Article › peer-review

82 Scopus citations

Abstract

Polyphenylsulfone was sulfonated by two different methods: reaction with SO₃ and reaction with (CH₃)₃SiSO₃Cl. The products were characterized, and the advantages of both methods are discussed. Much more homogeneous products were obtained from the reaction with (CH₃)₃SiSO₃Cl, along with better control of the sulfonation degree. An alternative method of membrane preparation led to an asymmetric structure, which allowed the combination of high mechanical stability and high proton conductance.

Original language	English (US)
Pages (from-to)	2820-2827
Number of pages	8
Journal	Journal of Applied Polymer Science
Volume	86
Issue number	11
DOIs	https://doi.org/10.1002/app.11264
State	Published - Dec 9 2002
Externally published	Yes

Keywords

Functionalization of polymers
Membranes
Modification

ASJC Scopus subject areas

General Chemistry
Surfaces, Coatings and Films
Polymers and Plastics
Materials Chemistry

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10.1002/app.11264

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abstract = "Polyphenylsulfone was sulfonated by two different methods: reaction with SO3 and reaction with (CH3)3SiSO3Cl. The products were characterized, and the advantages of both methods are discussed. Much more homogeneous products were obtained from the reaction with (CH3)3SiSO3Cl, along with better control of the sulfonation degree. An alternative method of membrane preparation led to an asymmetric structure, which allowed the combination of high mechanical stability and high proton conductance.",

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AU - Dyck, A.

AU - Fritsch, D.

AU - Nunes, S. P.

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N2 - Polyphenylsulfone was sulfonated by two different methods: reaction with SO3 and reaction with (CH3)3SiSO3Cl. The products were characterized, and the advantages of both methods are discussed. Much more homogeneous products were obtained from the reaction with (CH3)3SiSO3Cl, along with better control of the sulfonation degree. An alternative method of membrane preparation led to an asymmetric structure, which allowed the combination of high mechanical stability and high proton conductance.

AB - Polyphenylsulfone was sulfonated by two different methods: reaction with SO3 and reaction with (CH3)3SiSO3Cl. The products were characterized, and the advantages of both methods are discussed. Much more homogeneous products were obtained from the reaction with (CH3)3SiSO3Cl, along with better control of the sulfonation degree. An alternative method of membrane preparation led to an asymmetric structure, which allowed the combination of high mechanical stability and high proton conductance.

KW - Functionalization of polymers

KW - Membranes

KW - Modification

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Proton-conductive membranes of sulfonated polyphenylsulfone

Abstract

Keywords

ASJC Scopus subject areas

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