Dielectric spectroscopy of sulfonated poly(tetrafluoroethylene) in the swollen stateстатья
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Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.
Местоположение издательства:Road Town, United Kingdom
Первая страница:238
Последняя страница:242
Аннотация:The temperature and frequency dependences of the dielectric characteristics of proton-conducting polymers were studied by the example of sulfonated poly(tetrafluoroethylene) (Nafion). The dielectric spectra of samples swollen in water were measured in the frequency range 0.1 Hz-10 MHz at 213-278 K. Conduction effects were shown to dominate in the dielectric response. These effects were studied within the formalisms of the permittivity and dielectric modulus; as a result, two relaxation processes associated with intracluster and intercluster conduction were revealed.