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Effect of β-nucleation on crystallization of photodegraded polypropylene

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Abstract

The work deals with crystallization of photodegraded polypropylene containing various amounts of β-nucleating agent based on N,N′-dicyclohexylnaphthalene-2,6-dicarboxamide. Compression-moulded samples were irradiated by UV-light, melted and subsequently non-isothermally crystallized. The results showed that the crystallization temperature decreased with increasing irradiation time. The irradiation caused the splitting of crystallization exotherms into two peaks indicating two crystallization mechanisms. The presence of β-nucleating agent in the material suppressed the peak splitting; the higher was the amount of nucleating agent in the sample, the later was the splitting observed.

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Authors and Affiliations

  1. Department of Polymer Engineering, Tomas Bata University in Zlín, Faculty of Technology, TGM 275, 762 72, Zlín, Czech Republic

    Jana Výchopňová & R. Čermák

  2. Borealis Polyolefine GmbH, Sankt Peter Strasse 25, 4021, Linz, Austria

    M. Obadal

  3. Molecular and Macromolecular Photochemistry Laboratory, Blaise Pascal University/CNRS, 63177, Aubière, Cedex, France

    V. Verney & Sophie Commereuc

Authors
  1. Jana Výchopňová
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  2. R. Čermák
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  3. M. Obadal
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  4. V. Verney
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  5. Sophie Commereuc
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Correspondence to Jana Výchopňová.

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Výchopňová, J., Čermák, R., Obadal, M. et al. Effect of β-nucleation on crystallization of photodegraded polypropylene. J Therm Anal Calorim 95, 215–220 (2009). https://doi.org/10.1007/s10973-008-8892-7

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  • DOI: https://doi.org/10.1007/s10973-008-8892-7

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