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Synergetic effect of poly(vinyl butyral) and calcium carbonate on thermal stability of poly(vinyl chloride) nanocomposites investigated by TG–FTIR–MS

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Abstract

In order to improve poly(vinyl chloride) (PVC) thermal stability, poly(vinyl butyral) (PVB) matrix and calcium carbonate nanoparticles were incorporated in plasticized PVC. Thermal properties of these composites were investigated by thermogravimetry analysis coupled with mass spectrometry and Fourier transform infrared spectroscopy (FTIR). This approach highlighted the efficiency of both PVB and CaCO3 as HCl scavengers by postponing both the onset degradation temperature and the HCl release. Moreover, a synergetic effect was evidenced regarding the HCl release. Finally, kinetic parameters of the PVC first degradation stage, determined using the Flynn–Wall–Ozawa’s method, revealed a significant increase of the activation energy by incorporation of CaCO3 in the presence or not of PVB.

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Acknowledgements

The authors acknowledge the FEDER and the MCSER for financial support.

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Authors and Affiliations

  1. Department of Advanced Materials and Structures (DAMS), Centre de Recherche Public Henri Tudor, Rue de Luxembourg 66, L4002, Esch-sur-Alzette, Luxembourg

    Stéphanie Etienne, Claude Becker & David Ruch

  2. Laboratoire de Chimie Industrielle (CIOR), Université de Liège, Bât B6a, Allée de la Chimie no 3, Sart Tilman, 4000, Liège, Belgium

    Albert Germain & Cédric Calberg

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  1. Stéphanie Etienne
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  2. Claude Becker
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Correspondence to Stéphanie Etienne.

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Etienne, S., Becker, C., Ruch, D. et al. Synergetic effect of poly(vinyl butyral) and calcium carbonate on thermal stability of poly(vinyl chloride) nanocomposites investigated by TG–FTIR–MS. J Therm Anal Calorim 100, 667–677 (2010). https://doi.org/10.1007/s10973-009-0443-3

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  • DOI: https://doi.org/10.1007/s10973-009-0443-3

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