Two sets of soluble, benzimidazole-based polymers have been synthesized. One series containing sulfonic acid groups (sulfonated polybenzimidazole (SuPBI)) utilizes the basic character of polybenzimidazole to form acid-base cross-links that improve the mechanical integrity of proton conducting polymers. The other series shows how the benzimidazole segments in the polymer can be quaternized to produce a polymer (poly(1,3-dimethylbenzimidazolium) (PDMBI+)) capable of transporting anions.
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Thesis advisor: Holdcroft, Steven
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