Polybenzimidazole price Key Manufacturers Polybenzimidazole(PBI) Fiber Price (2015-2020) (US$/Ton) Table 19. This membrane is based on the polybenzimidazole (PBI) chemistry and it is ideal for high temperature proton exchange membrane fuel cell and other high temperature electrochemical devices that require a membrane with excellent durability and stability in the temperature range of 120 deg C to 180 deg Celsius. A commercially available and highly examined material is poly[2,2′-(m-phenylene)-5,5′-bibenzimidazole]. Advantages and limitations of different synthetic procedures and pathways are analyzed, with focus on homogeneous solution polymerization. 0 / Kilogram. PBI (polybenzimidazole) Celazole® is the highest performance engineering thermoplastic available. Celazole ® PBI was blended with more permeable HAB-6FDA-CI, an ortho -functional thermally rearrangeable polyimide , to improve its gas permeabilities while attempting to maintain high selectivity. Figure 2a shows the effect of the polycondensation time in ER at 120 °C on the reduced viscosity of aliphatic PBIs. 25 mm, L 25 mm, black; Synonyms: BI307925 at Sigma-Aldrich Polybenzimidazole plastic bar extruding PBI rod. goodfellow. gypztvcbvgpewlmqnafdipcggwrwfzroxgugpysmsqgeunbtoxymfqabkfkmhwkbxmfvftwhlzlfqutnv