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Synthesis and properties of poly[2,2′-(4,4′-(2,6-bis(phenoxy) benzonitrile))-5,5′-bibenzimidazole] for proton conducting membranes in fuel cells

✍ Scribed by Guan, Yisi; Pu, Hongting; Wan, Decheng

Book ID
120373230
Publisher
The Royal Society of Chemistry
Year
2011
Tongue
English
Weight
160 KB
Volume
2
Category
Article
ISSN
1759-9954

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✍ S. Yu; H. Zhang; L. Xiao; E.-W. Choe; B. C. Benicewicz 📂 Article 📅 2009 🏛 John Wiley and Sons 🌐 English ⚖ 191 KB

## Abstract A detailed investigation of the polymerisation conditions for poly(2,2′‐(1,4‐phenylene)5,5′‐bibenzimidazole) (__para__‐PBI) in polyphosphoric acid (PPA) led to the preparation of high molecular weight polymer. The polymer solutions could be used directly to produce phosphoric acid (PA)‐