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Synthesis and properties of novel sulfonated polyimides bearing sulfophenyl pendant groups for fuel cell application

✍ Scribed by Kangcheng Chen; Xinbing Chen; Kazuaki Yaguchi; Noritaka Endo; Mitsuru Higa; Ken-ichi Okamoto


Book ID
108249851
Publisher
Elsevier Science
Year
2009
Tongue
English
Weight
541 KB
Volume
50
Category
Article
ISSN
0032-3861

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## Abstract A new diamine monomer containing benzimidazole‐5‐sulfonic acid has been synthesised. It has been reacted, alone or mixed with diaminodiphenyl ether, with naphthalenic dianhydride to attain polynaphthalimides in which the sulfonic acid functionality is borne by pendant benzimidazole grou