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S. Śmigasiewicz

The dielectric relaxation with chemical transformation

Polimery 1989, No 3, 122

DOI: dx.doi.org/10.14314/polimery.1989.122


A simplified model has been, proposed in order to explain the appearance of maximum on dielectric permittivity curve in some polymer systems during the constant-rate heating experiments/. ę.g. in the polycyclization reaction of polyamidoacid to polyimide. It satisfactorialy, explains a decrease of the peak height with increase of the /electric field frequency. Besides, this model predicts the dependence of the peak height increase and the temperature of its appearance on the increase in the rate of heating.

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