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Journal Articles European Polymer Journal Year : 2016

Crystallization kinetics of polymer fibrous nanocomposites

Abstract

Through applying both a probabilistic approach and a combination of probabilistic and the Avrami ‘extended volume’ approaches we have derived a theory of overall crystallization kinetics of polymers reinforced with nanofibers. The theory describes the crystallization kinetics in the presence of straight or curved nanofibers, with different nucleation ability and orientation, and allows to account for their variable length. The analytic results are supported by computer simulations of spherulitic structures. The derived mathematical formulas are in exponential forms suggesting the use of the Avrami logarithmic coordinates for detailed analysis of experimental data. Experimental data on crystallization of several nanocomposites, including polypropylene reinforced with poly(tetrafluoroethylene) nanofibers and polyamide 12 with carbon nanotubes, are in a good agreement with the theoretical predictions.
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Dates and versions

hal-02291285 , version 1 (18-09-2019)

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Stanislaw Galeski, Ewa Piórkowska, Artur Rozanski, Gilles Regnier, Andrzej Galeski, et al.. Crystallization kinetics of polymer fibrous nanocomposites. European Polymer Journal, 2016, 83, pp.181-201. ⟨10.1016/j.eurpolymj.2016.08.002⟩. ⟨hal-02291285⟩
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