▎ 摘　　要

NOVELTY - A conductive polyimide composite material comprises 55-94 pts. wt. polyimide, 1-15 pts. wt. conductive agent, 5-30 pts. wt. reinforcing fiber, 0.1-0.5 pt. wt. antioxidant, 0.2-1 pt. wt. coupling agent, 0.1-0.8 pt. wt. dispersant and 0.2-1 pt. wt. processing aid. The conductive agent is a conductive master particle prepared from carbon nanotube, graphene, and nano metal oxide powder. USE - Conductive polyimide composite material. ADVANTAGE - The material has high performance, easy processing, stable performance, and is suitable for industrial production. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for a preparation of conductive polyimide composite material, which involves S1, weighing the conductive agent, pouring the dispersant into the solvent, stirring and mixing, then pouring the nano metal oxide powder into the solvent, stirring and mixing, and then pouring the graphene in the solvent, stirring and mixing well, pouring the carbon nanotubes into the solvent, stirring and mixing, and then ultrasonically processing the mixed liquid to obtain a conductive agent dispersion, concentrating and drying to obtain a conductive dispersion, S2, heating, mixing and stirring the conductive dispersion material of step S1 and a portion of the polyimide resin to obtain a conductive mixture, S3, putting the conductive mixture of S2 into the banbury mixing and slicing to obtain conductive functional masterbatch, S4, weighing the polyimide, conductive agent masterbatch, and processing aid, mixing them, and then adding them to the main feed of the twin-screw extruder, weighing the reinforcing fibers, adding to the side feed of the twin-screw extruder, blending, extruding, and pelletizing.