Water-Based Single-Walled-Nanotube-Filled Polymer Composite with an Exceptionally Low Percolation Threshold


  • The authors thank the Avery Dennison Corporation for financial support of this work. A special thanks is also paid to Alicia Thompson and John Currulli, of the Center for Electron Microscopy (CEMMA) at the University of Southern California, for assistance with TEM sample preparation and imaging.


An emulsion polymer (i.e., latex) has been used as the polymer matrix starting material in order to lower the percolation threshold of single-walled-carbon-nanotube (SWNT)-filled polymer composites (e.g., see Figure). A percolation threshold below 0.04 wt.-% SWNT is achieved. This composite system offers the potential for conductive polymers that are relatively inexpensive, mechanically robust, environmentally stable, and easy to process.