Process for the preparation of composite articles having enhanced electrical properties

The present invention relates to a process for preparing a shaped composite article comprising a polymer composition and carbon particles being carbon nanotubes or graphene. The polymer composition comprises a mixture of a first polymer and a second polymer, and the composite article comprises from 0.01 to 4% by weight of carbon particles based on the total weight of the composite article as determined according to ISO 11358. The process is characterized in that the process comprises the steps of providing a masterbatch comprising the first polymer and at least 5% of carbon particles by weight of the masterbatch as determined according to ISO 11358, providing the second polymer, and blending and shaping, in the same step, the masterbatch and the second polymer in a single extrusion or injection moulding device to form the shaped composite article. 本发明涉及用于制备包括聚合物组合物和碳颗粒的成型复合物制品的工艺，所述碳颗粒为碳纳米管或石墨烯，所述聚合物组合物包括第聚合物和第二聚合物的混合物，并且所述复合物制品包括如根据ISO 11358测定的基于所述复合物制品的总重量的0.01-4％重量的碳颗粒，特征在于所述工艺包括如下步骤：提供母料，所述母料包括所述第聚合物和如根据I