结果表明，以聚酯/聚乙烯共混聚合物代替单一的聚合物作为母粒的载体树脂可用来设计具有低突增界限浓度的炭黑导电母粒。

• The results showed that the replacement of individual polymer by polymer blend as the matrix resin for ECMB could be applied to the design of ECMB with lower percolation threshold concentration.