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Sulfonation of poly(phthalazinones) with fuming sulfuric acid mixtures for proton exchange membrane materials

✍ Scribed by Yan Gao; Gilles P Robertson; Michael D Guiver; Xigao Jian; Serguei D Mikhailenko; Keping Wang; Serge Kaliaguine


Publisher
Elsevier Science
Year
2003
Tongue
English
Weight
348 KB
Volume
227
Category
Article
ISSN
0376-7388

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## Abstract New membranes were prepared and evaluated as polymer electrolytes for PEMFCs. Polymers with PSU in the main chain and –C(O)(CF~2~)~3~SO~3~H in the side chain (PSU‐PSA) were synthesized by substitution of PSU‐Li and SFBF, followed by treatment with aqueous potassium hydroxide then sulfur