Abstract

Calorimetry, particularly differential scanning calorimetry (DSC), is an effective analytical tool to characterize melting, crystallization, and mesomorphic transitions and to determine the corresponding enthalpy and entropy changes. The glass transition and other effects that show changes in either heat capacity or latent heat are also accessible. The advantage of DSC compared with other calorimetric techniques lies in the broad dynamic range of heating and cooling rates, along with isothermal and temperature-modulated operation. This broad dynamic range is especially of interest because polymers are generally far from equilibrium and transitions are strongly time (rate) dependent.

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