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Supramolecular design of high-performance poly(L-lactide)/carbon nanotube nanocomposites : from melt-processing to rheological, morphological and electrical properties

Authors
  • Manfredi, Erica
  • Meyer, Franck
  • Verge, Pierre
  • Raquez, Jean-Marie
  • Thomassin, Jean-Michel
  • Alexandre, Michael
  • Dervaux, Bart
  • Du Prez, Filip
  • Van Der Voort, Pascal
  • Jerome, Christine
  • Dubois, Philippe
Publication Date
Jan 01, 2011
Identifiers
DOI: 10.1039/c1jm12250a
OAI: oai:archive.ugent.be:1937822
Source
Ghent University Institutional Archive
Keywords
Language
English
License
Unknown
External links

Abstract

The ability of omega-imidazolium functionalized poly(L-lactide) (ImPLLA) chains to improve the CNT dispersion within the PLLA matrix was demonstrated in bulk and at elevated temperatures using melt-processing techniques. This approach brings new supramolecular tools to the formation of CNT-based biomaterials derived from renewable resources with outstanding properties for semi-industrial applications. In this work, the PLLA/CNT nanocomposites were prepared using extrusion technology, starting from masterbatches. The rheological, morphological, electrical properties as well as Raman analyses confirmed the establishment of supramolecular cation-pi interactions between ImPLLA and CNT in the melt, leading to a fine dispersion of CNT within PLLA matrix.

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