The heat capacity of polymers |
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Authors: | B Wunderlich |
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Institution: | Department of Chemistry, The University of Tennessee, Knoxville, TN 37996-1600, USA |
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Abstract: | The long path to an understanding of heat capacity is traced from isothermal and adiabatic calorimetries to the most recent three methods of isoperibol, scanning, and temperature-modulated calorimetry (TMDSC). These latter three methods are: the traditional method of scanning thermal analysis; the quasi-isothermal method of finding the maximum amplitude of the periodic heat flow in response to a temperature modulation at a constant base temperature; and the pseudo-isothermal analysis of a temperature-modulated scanning experiment by subtracting the effect due to the underlying constant heating rate. In parallel, the development of the knowledge about phases and molecules is traced from its beginning to present-day nanophases and macromolecules. |
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Keywords: | Calorimetry Heat capacity Macromolecule Phase Thermal analysis Transition |
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