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Nanomaterials 2012, 2(4), 329-347; doi:10.3390/nano2040329

Improved Dispersion of Carbon Nanotubes in Polymers at High Concentrations

Received: 3 September 2012 / Revised: 24 September 2012 / Accepted: 6 October 2012 / Published: 26 October 2012
(This article belongs to the Special Issue Composite Nanomaterials)
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The polymer nanocomposite used in this work comprises elastomer poly(dimethylsiloxane) (PDMS) as a polymer matrix and multi-walled carbon nanotubes (MWCNTs) as a conductive nanofiller. To achieve uniform distribution of carbon nanotubes within the polymer, an optimized dispersion process was developed, featuring a strong organic solvent—chloroform, which dissolved PDMS base polymer easily and allowed high quality dispersion of MWCNTs. At concentrations as high as 9 wt.%, MWCNTs were dispersed uniformly through the polymer matrix, which presented a major improvement over prior techniques. The dispersion procedure was optimized via extended experimentation, which is discussed in detail.
Keywords: polymer; carbon nanotubes; nanocomposite; high concentration; dispersion polymer; carbon nanotubes; nanocomposite; high concentration; dispersion
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Liu, C.-X.; Choi, J.-W. Improved Dispersion of Carbon Nanotubes in Polymers at High Concentrations. Nanomaterials 2012, 2, 329-347.

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