Abstract
The research of features of electrical conductivity of the systems based on cross-linked polyurethanes and carbon nanotubes depending on the value of external pressure is done using the method of impedance spectroscopy. It is set that dependence of electrical conductivity on pressure shows a percolation behavior. The mechanisms of nonlinear change of electrical conductivity with growth of pressure is described. It is rotined that the probed systems are perspective piezoresistive materials for creation of the sensors of pressure.
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