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

Delbreilh, Laurent and Negahban, M. and Benzohra, M. 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, vol. 9 (n° 3). pp. 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: Université de Toulouse > Institut National Polytechnique de Toulouse - INPT
Other partners > Université de Rouen - UR (FRANCE)
Other partners > Institut National des Sciences Appliquées de Rouen - INSA (FRANCE)
Université de Toulouse > Université Paul Sabatier-Toulouse III - UPS
French research institutions > Centre National de la Recherche Scientifique - CNRS
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Laboratory name:
Centre Interuniversitaire de Recherche et d'Ingénierie des Matériaux - CIRIMAT (Toulouse, France) - Laboratoire de Physique des Polymères - LPP
Polymères Biopolymères Surfaces - PBS (Rouen, France) - L'Étude et Caractérisation des Amorphes et des Polymères - LECAP
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Deposited By:Nihad Lahdifi

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