Carbon nanotubes as a filler of polymer nanocomposites may exhibit good tensile strength depending on their nanostructure and aspect ratio. The nanotubes show superior strength properties over all known fillers used in the production of polymer composites. The deciding factors are: interaction interface and good dispersion of nanofiller [1].

Investigation of structure and physical properties of polymer nanocomposites containing single and double-wall carbon nanotubes has been made. As a polymer matrix poly (ether-ester) multiblock elastomer was used. A weight ratio of hard to soft segments of obtained polyester nanocomposites PBT/PTMO was 45:55. The concentration of carbon nanotubes to polymer spread from 0,05 to 0,5 wt.% (for both single and double-wall CNT’s).
The nanocomposites were synthesized in situ during the synthesis of polymer. Polymer matrix and nanocomposites were prepared in a two stage process involving transesterification and polycondensation in melting state.

This research work was supported by the Polish Ministry of Science and Higher Education under project number DFG/83/2006.  

Lierature:

1. May Y., Yu Z., Polymer nanocomposites, CRC Press LLC, 2006.

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