Thermal and spectroscopic characterization of polypropylene-carbon nanotube composites

B. B. Marosfoi, A. Szabó, Gy Marosi, D. Tabuani, G. Camino, S. Pagliari

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Thermogravimetric (TG) and varied temperature Raman spectroscopic measurements of melt-blended polypropylene composites (PP) with double wall (DWNT) and multi-wall carbon nanotubes (MWNT) revealed that the incorporation of carbon nanotubes into polymer matrix increased the thermal stability comparing to the virgin polypropylene. The characterization of reference nanotubes was also done by Raman microscopy and TG measurements. Varied temperature rheological analysis provided further information about the thermal decomposition of the composites indicating the formation of high strength char in case of MWNT and limited applicability of DWNT at high temperature. The residue of the decomposition of PP-MWNT nanocomposites consists of nanotubes of spectroscopically higher purity comparing to the original one indicating the thermally induced chemical changes in the solid phase.

Original languageEnglish
Pages (from-to)669-673
Number of pages5
JournalJournal of Thermal Analysis and Calorimetry
Issue number3
Publication statusPublished - Dec 1 2006



  • DWNT
  • MWNT
  • PP composites
  • TG

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Physical and Theoretical Chemistry

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