Humidity-sensitive and water-resistive polymeric materials |
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| Affiliation: | 1. Department of Chemical Engineering, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece;2. Department of Chemistry, Aristotle University of Thessaloniki, GR 54124 Thessaloniki, Greece |
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| Abstract: | Four types of polymers with pyridinium groups were prepared and their electrical properties as humidity sensors were studied. The polymers are quaternized vinylpyridine and styrene copolymers, partially quaternized polyvinylpyridine, polytetrafluoroethylene grafted with quaternized polyvinylpyridine and polyvinylpyridine crosslinked with dibromobutane. The latter two polymers showed excellent water resistivity as well as a sensitivity to humidity. |
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