▎ 摘　　要

NOVELTY - A heat conducting composite material comprises heat conducting filler and elastomer substrate. The heat conducting filler comprises graphene and nanographite which are uniformly distributed in the elastomer substrate. USE - Heat conducting composite material. ADVANTAGE - The heat conducting composite material has good heat conducting property, and can be in close contact with heat dissipating object to further increase thermal conductivity. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for preparation of the heat conducting composite material, comprising adding the heat conducting filler and elastomer substrate into a reactor and uniformly mixing to obtain heat conducting composite material precursor, melting the precursor at 20-200 degrees C, and then solidifying and forming to obtain the heat conducting composite material.