TECHNOLOGY LICENSING OPPORTUNITY: PBI High-Temperature Hollow Fiber Membranes

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Summary from the notice

Polybenzimidazole (PBI) High-Temperature Hollow Fiber Membranes offer a practical way to improve separation efficiency in process environments where standard polymer membranes often lose performance or durability. The platform combines high-temperature operation, chemical resistance and compact hollow-fiber design in a membrane system that can help users recover hydrogen, separate carbon dioxide and process difficult liquid streams with lower energy demand and a smaller equipment footprint than many conventional approaches. Because the fibers are formed from a robust PBI material and engineered with an integrated thin selective layer, the technology is well suited for organizations seeking stronger performance in demanding energy, chemical and water treatment settings. How it Works The membrane works like a selective gate built into a very small hollow strand. A mixed gas or liquid flows across the fiber, and the thin outer layer allows some molecules to pass through more readily than others, while the porous support beneath it gives the fiber strength and a path for transport. The disclosed fabrication process forms that selective layer and support structure in one step, then can add heat treatment or a thin sealing layer to improve stability and sharpen separation performance. Technical Description The polybenzimidazole invention is centered on a method for making asymmetric hollow fiber membranes from polybenzimidazole, a polymer valued for strong thermal and chemical stab…

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