We report successful synthesis of three types of pyridine bridged tetraamine (PyTAB)
monomers namely PyTAB-COOH, PyTAB-OH and PyTAB-CF 3 where additional functional …

In our effort to promote 2, 6‐bis (3, 4‐diaminophenyl)‐4‐phenylpyridine (Py‐TAB) as an
alternative tetraamine monomer to conventionally used 3, 3′, 4, 4′‐tetraaminobiphenyl …

Tetraamine 2, 6-bis (3′, 4′-diaminophenyl)-4-phenylpyridine (Py-TAB) was found to be an
efficient, readily accessible, inexpensive monomer for synthesizing pyridine bridge …

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 …

Despite the presence of bulk literature on polybenzimidazole (PBI), unavailability of readily
soluble and processable PBI remains as the tallest challenge for the end-use. N-alkyl PBIs …

Promising proton exchange membranes comprising a nitrogen-rich and a high molecular
weight poly [2, 2′-(bipyridyl)-bibenzimidazole](BipyPBI) polymer as a substrate and …

Polybenzimidazole (PBI) based membranes are extensively utilized due to their exceptional
physical properties, including ionic conductivity, thermal and mechanical robustness …

A novel series of sulfonated 4-phenyl phthalazinone-based polybenzimidazoles (SPPBIs)
were synthesized by solution polycondensation of 3, 3′-diaminobenzidine (DAB), 4-(4-(4 …

Abstract Phosphoric acid doped poly (2, 2′‐(m‐phenylene)‐5, 5′‐bibenzimidazole)(PBI)
membranes were prepared by dissolving PBI powders in 85% phosphoric acid at 190–200° …

Polybenzimidazole (PBI), an engineering polymer with well-known excellent thermal,
chemical and mechanical stabilities has been recognized as an alternative to high …