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Fragility of a thermoplastic polymer. Influence of main chain rigidity in polycarbonate

Delbreilh, Laurent and Bernes, Alain and Lacabanne, Colette and Grenet, Jean and Saiter, Jean-marc Fragility of a thermoplastic polymer. Influence of main chain rigidity in polycarbonate. (2005) Materials Letters, 5 (23). 2881-2885. ISSN 0167-577X

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Official URL: http://dx.doi.org/10.1016/j.matlet.2005.04.034


We present new data on a vitreous polycarbonate (PC) and its fragility index. Measurements have been performed by means of differential scanning calorimetry (DSC). A comparison with other data already published in this field and concerning other linear polymers is made. We show that when experiments are performed by means of DSC, the use of the glass-forming liquid fragility concept does not lead to large enough variations of the fragility index values. Thus, any correlation with structural characteristics of linear polymers, is not possible, except in the case of main chain rigidity.

Item Type:Article
Additional Information:Thanks to Elsevier editor. The definitive version is available at http://www.sciencedirect.com The original PDF of the article can be found at Material letters site : http://www.sciencedirect.com/science/journal/0167577X
HAL Id:hal-03601382
Audience (journal):International peer-reviewed journal
Uncontrolled Keywords:
Institution: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)
French research institutions > Centre National de la Recherche Scientifique - CNRS (FRANCE)
Laboratory name:
Deposited On:24 Jun 2008 14:51

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