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Thermal analysis of PVA/CNTs 2D membrane

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Abstract

In the present study polymeric membranes consisting of poly(vinyl alcohol) (PVA) and multi-walled carbon nanotubes (MWCNTs) were prepared by casting method and their morphological, thermal and de-swelling behaviour were characterized. The effect of MWCNTs in the hybrid membranes was more significant when its concentration was high. The thermo degradation (T d) and crystallization (T c) temperatures of PVA increased of 10 and 9 °C, respectively in presence of 50 × 10−2 w v−1% of MWCNTs (PVNT3). Besides, the amount of non-free water increases with increasing of MWCNTs probably due to a capillary effect.

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Acknowledgements

The authors would like to express sincere thanks to “NOE-Expertissues” CT-2004-500328 and PRIN-2006 for supporting the present ongoing research activity at BIOlab of the University of Pisa. Nanocyl SA, Belgium is acknowledged for the kind supply of CNT sample within the framework of the IP-Ambio (NMP4CT2005011827).

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Authors and Affiliations

  1. Laboratory of Bioactive Polymeric Materials for Biomedical and Environmental Applications, UdR-INSTM, Department of Chemistry and Industrial Chemistry, University of Pisa, Via Vecchia Livornese, 1291, Pisa, Italy

    Sangram K. Samal, Elizabeth G. Fernandes, Federica Chiellini & Emo Chiellini

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  1. Sangram K. Samal
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  2. Elizabeth G. Fernandes
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  3. Federica Chiellini
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  4. Emo Chiellini
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Correspondence to Emo Chiellini.

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Samal, S.K., Fernandes, E.G., Chiellini, F. et al. Thermal analysis of PVA/CNTs 2D membrane. J Therm Anal Calorim 97, 859–864 (2009). https://doi.org/10.1007/s10973-009-0337-4

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  • DOI: https://doi.org/10.1007/s10973-009-0337-4

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