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The contributions of MDSC to the understanding of the thermodynamics of polymers

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Abstract

Contributions of modern, temperature-modulated calorimetry are qualitatively and quantitatively discussed. The limitations are summarized, and it is shown that their understanding leads to new advances in instrumentation and measurement. The new thermal analysis experiments allow to separate reversing from irreversible processes. This opens the irreversible states and transitions to a description in terms of equilibrium and irreversible thermodynamics. Amorphous systems can be treated frommacroscopic to nanometer sizes with weak to strong coupling between neighboring phases. Semicrystalline, macromolecular systems are understood on the basis of modulated calorimetry as globally metastable, micro-to-nanophase-separated systems with locally reversible transitions.

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Wunderlich, B. The contributions of MDSC to the understanding of the thermodynamics of polymers. J Therm Anal Calorim 85, 179–187 (2006). https://doi.org/10.1007/s10973-005-7347-7

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