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Cationic Polyelectrolytes, Stable in 10 M KOHaq at 100 °C

We report on poly­(arylene-imidazoliums), which were synthesized by microwave polycondensation of dialdehyde with bisbenzil and quantitatively functionalized by alkylation. This cationic polyelectrolyte is sterically protected around the C2-position and is stable in 10 M KOHaq at 100 °C (t 1/2 of &g...

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Bibliographic Details
Published in:ACS macro letters 2017-10, Vol.6 (10), p.1089-1093
Main Authors: Fan, Jiantao, Wright, Andrew G, Britton, Benjamin, Weissbach, Thomas, Skalski, Thomas J. G, Ward, Jonathan, Peckham, Timothy J, Holdcroft, Steven
Format: Article
Language:English
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Summary:We report on poly­(arylene-imidazoliums), which were synthesized by microwave polycondensation of dialdehyde with bisbenzil and quantitatively functionalized by alkylation. This cationic polyelectrolyte is sterically protected around the C2-position and is stable in 10 M KOHaq at 100 °C (t 1/2 of >5000 h). Alkaline stability is rationalized through analyses of model compounds, single crystal X-ray diffraction, and density functional theory. The polyelectrolytes form tough, pliable, transparent, ionically conductive films.
ISSN:2161-1653
2161-1653
DOI:10.1021/acsmacrolett.7b00679