## Abstract A series of polybenzimidazoles (PBIs) incorporating main chain pyridine groups were synthesized from the pyridine dicarboxylic acids (2,4‐, 2,5‐, 2,6‐ and 3,5‐) and 3,3′,4,4′‐tetraaminobiphenyl, using polyphosphoric acid (PPA) as both solvent and polycondensation reagent. A novel proces
✦ LIBER ✦
Synthesis and characterization of novel thiophene-based polybenzimidazole membrane for high-temperature fuel cells
✍ Scribed by Ji Sun Choi, Ananta Kumar Mishra, Nam Hoon Kim…
- Book ID
- 120667802
- Publisher
- Springer
- Year
- 2013
- Tongue
- English
- Weight
- 352 KB
- Volume
- 43
- Category
- Article
- ISSN
- 0021-891X
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Polybenzimidazole (PBI)/ionic liquid (IL) composite membranes were prepared from an organosoluble, fluorine-containing PBI with ionic liquid, 1-hexyl-3-methylimidazolium trifluoromethanesulfonate (HMI-Tf). PBI/HMI-Tf composite membranes with different HMI-Tf concentrations have been prepared. The io