Physics – Condensed Matter – Mesoscale and Nanoscale Physics
Scientific paper
2011-12-09
Physics
Condensed Matter
Mesoscale and Nanoscale Physics
7 pages, 3 figures, SWCNT - PVC nanocomposite
Scientific paper
Annotation A carbon nanotubes (CNT) filled polymer nanocomposites with their unique physical, mechanical and electro-optical properties has repeatedly discussed in the literature. The main part of this problem is to obtain high quality dispersion of CNTs. If for water-soluble polymers this problem can be considered as solved, it is not so for hydrophobic polymers, and PVC is an important example of this kind. This paper describes the methods of dispersion of SWNTs bundles in PVC, both by the use of specially synthesized surfactants, and by means of chemical surface modification of CNTs. The main criterion for an obtaining of a high degree of dispersion in our experiments is considered the sedimentation stability of non-aqueous organic colloidal solutions, which is essentially necessary for the polymer composites films preparation by solution casting method.
Apresyan L. A.
Bokova S. N.
Kryshtob V. I.
Mironov V. F.
Obraztsova Elena D.
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