▎ 摘　　要

NOVELTY - Preparing high-strength and high heat-conducting resin-based continuous carbon fiber composite material comprises e.g. (1) twisting continuous polyacrylonitrile-based carbon fiber, pitch-based carbon fiber, graphene fiber and carbon nanotube fiber, impregnating and sizing, after bundling, continuous carbon fiber tow can be prepared, (2) feeding 40-90 wt.% continuous carbon fiber tow and 10-60 wt.% plastic chips, and plastic chips into twin-screw extruder from main feed port in, feeding continuous carbon fiber tow into toothed wire drawing head from the front end of the discharge port, melting and extruding by a twin-screw extruder, the reaction temperature is 160-320 degrees C, the screw speed is 150-300 revolutions/minutes, cooling, drawing and winding to prepare continuous carbon fiber wire, (3) adding raw materials into internal mixer for banburying, melting and extruding through a twin-screw extruder, then prepare by drawing, cooling, drawing, and winding modified plastic wire. USE - Used as high-strength and high heat-conducting resin-based continuous carbon fiber composite material. ADVANTAGE - The material: has good thermal conductivity and mechanical properties. DETAILED DESCRIPTION - Preparing high-strength and high heat-conducting resin-based continuous carbon fiber composite material comprises (1) twisting continuous polyacrylonitrile-based carbon fiber, pitch-based carbon fiber, graphene fiber and carbon nanotube fiber, impregnating and sizing, after bundling, continuous carbon fiber tow can be prepared, (2) feeding 40-90 wt.% continuous carbon fiber tow and 10-60 wt.% plastic chips, and plastic chips into twin-screw extruder from main feed port in, feeding continuous carbon fiber tow into toothed wire drawing head from the front end of the discharge port, melting and extruding by a twin-screw extruder, the reaction temperature is 160-320 degrees C, the screw speed is 150-300 revolutions/minutes, cooling, drawing and winding to prepare continuous carbon fiber wire, (3) adding 38-99.7 wt.% plastic slice, 0.1-60 wt.% thermal conductive filler, 0.1-1 wt.% dispersant, and 0.1-1 wt.% coupling agent into internal mixer for banburying, melting and extruding through a twin-screw extruder, then prepare by drawing, cooling, drawing, and winding modified plastic wire, the processing temperature of internal mixing is 160-320 degrees C, and the screw speed is 50-100 revolutions/minutes, the processing temperature of melt extrusion is 160-320 degrees C, and the screw speed is 150-300 revolutions/minutes, (4) adding plastic slices into a twin-screw extruder to melting and extruding, and prepare plastic wire by drawing, cooling, drawing, and winding, and (5) adding prepared continuous carbon fiber wire, modified plastic wire and plastic wire to print nozzle module group, using 3D printing molding process to print and shape according to the preset path to obtain material. An INDEPENDENT CLAIM is also included for high-strength and high heat-conducting resin-based continuous carbon fiber composite material comprising 10-40 wt.% continuous fiber, 0.05-30 wt.% thermally conductive filler, and 30-90 wt.% plastic.