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Glass transition investigated by a combined protocol using thermostimulated depolarization currents and differential scanning calorimetry

Delbreilh, Laurent and Negahban, Mehrdad and Benzohra, Mohamed and Lacabanne, Colette and Saiter, Jean-marc Glass transition investigated by a combined protocol using thermostimulated depolarization currents and differential scanning calorimetry. (2009) Journal of Thermal Analysis and Calorimetry, 9 (3). 865-871. ISSN 1418-2874

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Official URL: http://dx.doi.org/10.1007/s10973-009-0060-1

Abstract

Relaxation times of bisphenol A polycarbonate around the glass transition temperature are estimated using the combination of differential scanning calorimetry (DSC) and thermostimulated depolarization currents (TSDC). These measurements are performed using samples with different thermal histories below and above the vitrification transformation. This protocol enables the extension of the range of equilibrium relaxation times measured by dielectric spectroscopy. By this mean we may recalculate the values of the Kauzmann temperature and fragility index.

Item Type:Article
Additional Information:Thanks to Springer editor. The definitive version is available at http://www.springerlink.com/ The original PDF of the article can be found at Journal of Thermal Analysis and Calorimetry website :http://www.springerlink.com/content/3346510388v11170/
Audience (journal):International peer-reviewed journal
Uncontrolled Keywords:
Institution:French research institutions > Centre National de la Recherche Scientifique - CNRS (FRANCE)
Université de Toulouse > Institut National Polytechnique de Toulouse - Toulouse INP (FRANCE)
Other partners > Institut National des Sciences Appliquées de Rouen - INSA (FRANCE)
Other partners > Université de Rouen - UR (FRANCE)
Université de Toulouse > Université Toulouse III - Paul Sabatier - UT3 (FRANCE)
Other partners > University of Nebraska-Lincoln (USA)
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Deposited On:30 Jun 2010 10:05

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