期刊
THERMOCHIMICA ACTA
卷 446, 期 1-2, 页码 147-155出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.tca.2006.01.031
关键词
temperature-modulated DSC; stochastic temperature modulation; heat capacity; TOPEM (R)
A new temperature-modulated differential scanning calorimetry (TMDSC) technique is introduced. The technique is based on stochastic temperature modulation and has been developed as a consequence of a generalized theory of a temperature-modulated DSC. The quasi-static heat capacity and the frequency-dependent complex heat capacity can be determined over a wide frequency range in one single measurement without further calibration. Furthermore, the reversing and non-reversing heat flows are determined directly from the measured data. Examples show the frequency dependence of the glass transition, the isothermal curing of thermosets and a solid-solid transition. (c) 2006 Elsevier B.V. All rights reserved.
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