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Synthesis and characterization of sulfonated polybenzimidazoles containing 4-phenyl phthalazinone groups for proton exchange membrane

โœ Scribed by Liu, Cheng; Li, Xiuping; Zhang, Shouhai; Li, Zhen; Cao, Yang; Jian, Xigao


Book ID
124108639
Publisher
Elsevier Science
Year
2014
Tongue
English
Weight
518 KB
Volume
261
Category
Article
ISSN
0167-2738

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A novel sulfonated diamine, 4,4'-bis(4-amino-3-trifluoromethylphenoxy) biphenyl 3,3'-disulfonic acid (F-BAPBDS), was successfully synthesized by nucleophilic aromatic substitution of 4,4'-dihydroxybiphenyl with 2-chloro-5-nitrobenzotrifluoride, followed by reduction and sulfonation. A series of sulf