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la) is the most widely studied member of the polybenzimidazole class (6), (7), (10-12); however, PBI is not the simplest nor least expensive of the family (8) and several other benzimidazole polymers are suitable as PEMs.
VT extended that work by also showing that one could make multiblock copolymers of poly(dimethyl siloxane) and ULTEM or related polyimides and blend them either with PEEK or in some cases with polybenzimidazole (PBI) to produce highly compatible and even miscible systems.
00 Paperback TP1130 Ten chapters review the chemistry, manufacturing processes, properties, and primary industrial uses of polyarylethersulfones and polyaryletherimides, semi-aromatic polyamides, polyphenylene sulfide, polyaryetherketones, polymideimides, polyimides, polybenzimidazole, liquid crystal polyesters, polyphenylenes, and perfluoropolymers.
The fuel cell uses a Polybenzimidazole membrane and electrodes manufactured in CIDETEC's laboratories.
The polymer polybenzimidazole (PBI), the PBI high-temperature membrane and the innovative Celtec(R) MEAs have resulted from PEMEAS' ongoing commitment to technological R&D.
The MEA consists of catalysts, gas diffusion layers, and the Celtec membrane, made with the company's temperature-resistant polymer polybenzimidazole.
They chemically modified polybenzimidazole, a plastic used to make fibers in protective clothing for firefighters and racecar drivers.
A similar behavior was observed when imidazole was added to phosphoric acid doped polybenzimidazole (PBI) (23).