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Novel sulfonated poly(ether ether ketone ketone) derived from bisphenol S
Author(s) -
Li Xianfeng,
Na Hui,
Lu Hui
Publication year - 2004
Publication title -
journal of applied polymer science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.575
H-Index - 166
eISSN - 1097-4628
pISSN - 0021-8995
DOI - 10.1002/app.20861
Subject(s) - membrane , ether , ketone , polymer chemistry , bisphenol , nafion , condensation polymer , bisphenol a , materials science , solubility , polymer , chemistry , organic chemistry , epoxy , electrochemistry , biochemistry , electrode
A series of sulfonated poly(ether ether ketone ketone)s derived from bisphenol S were prepared by nucleophilic polycondensation. They showed high thermal resistance and good solubility. Most of the polymers were easily cast into tough membranes. The swelling of the membranes (6.02–16.02%) was lower than that of Nafion membranes, and the ion‐exchange capacity of the membranes (0.67–1.44) was higher than that of Nafion membranes. The proton conductivity of the membranes was 0.022–0.125 s/cm. They could be used as proton‐exchange membranes in fuel cells. © 2004 Wiley Periodicals, Inc. J Appl Polym Sci 94: 1569–1574, 2004
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