We summarise the initial results of an experimental and theoretical study of the structure and effective electric response of carbon-black/polymer composites with a percolation threshold well below 2 wt% of carbon-black filler.
Michels, M. A. J., Brokken-Zijp, J. C. M., Groenewoud, W. M., & Knoester, A. (1989). Systematic study of percolative network formation and effective electric response in low-concentration-carbon-black/polymer composites. Physica A: Statistical and Theoretical Physics, 157(1), 529-534. https://doi.org/10.1016/0378-4371(89)90356-7