NDLI: Synthesis and characterization of partially fluorinated poly(fluorenyl ether ketone)s with different degrees of sulfonation as proton exchange membranes

Content Provider	Springer Nature Link
Author	Wang, L. Zhu, G. M. Li, J. Q. Gao, C. M.
Copyright Year	2010
Abstract	Partially fluorinated poly(fluorenyl ether ketone)s with different degree of sulfonation were successfully synthesized by the sulfonation of the designed parent polymer. The sulfonation took place only at the specific (2, 7)-position on the fluorenyl groups due to the positions adjacent to the ether bond occupied by methyl groups. The sulfonated polymers are soluble in common organic solvents and can readily be cast into tough and smooth films from their solutions. The properties of proton conductivity, water uptake, thermal and oxidative stability for the membranes were investigated. It was found that the oxidative stability of the membrane decreased with increasing the degree of sulfonation. However, the partially fluorinated membrane with high degree of sulfonation exhibited better oxidative stability compared to the non-fluorinated analogy with low degree of sulfonation. The proton conductivity of the membranes increased with increasing the degree of sulfonation and temperature. Moreover, the membranes also showed good thermal and hydrolytic stabilities.
Starting Page	925
Ending Page	937
Page Count	13
File Format	PDF
ISSN	01700839
Journal	Polymer Bulletin
Volume Number	66
Issue Number	7
e-ISSN	14362449
Language	English
Publisher	Springer-Verlag
Publisher Date	2010-08-06
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Poly(ether ketone)s Fluoropolymers Proton exchange membranes Oxidative stability Characterization and Evaluation of Materials Polymer Sciences Physical Chemistry Soft and Granular Matter, Complex Fluids and Microfluidics
Content Type	Text
Resource Type	Article
Subject	Chemistry Materials Chemistry Condensed Matter Physics Polymers and Plastics

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