▎ 摘　　要

NOVELTY - Graphitizing graphene thermally conductive film, comprises dissolving graphene powder and silicon carbide nanoparticles in absolute ethanol, stirring to obtain mixed solution, adding molecular modifier into mixed solution, carrying out reflux stirring, centrifuging, washing with ethanol, drying to obtain nanomaterial particles, dissolving 4,4'-diaminodiphenyl ether in organic polar solvent, introducing inert gas, and adding 3,3,4,4-tetracarboxybenzophenone anhydride, stirring to obtain polyacrylic acid solution, adding the nanomaterial particles into polyacrylic acid solution for in-situ polymerization to obtain a polymerization solution, spreading polymerization reaction solution on substrate, and heating, stacking composite films in sequence for carbonization, sending carbonized raw materials to high-frequency induction graphitization furnace, and carrying out thermal insulation graphitization treatment to obtain graphene film, and mechanically calendaring graphene film. USE - Method for graphitizing graphene thermally conductive film. ADVANTAGE - The graphene heat conducting film has excellent flexibility, tensile strength and mechanical strength, and is prepared by simple and economical process. DESCRIPTION OF DRAWING(S) - The drawing shows a flow chart illustrating the method for graphitizing graphene thermally conductive film (Drawing includes non-English language text).