▎ 摘　　要

NOVELTY - Thermally conductive complex material comprises graphene and resin base, further comprises thermoplastic micro-particles, where the graphene is enriched at the surface of the thermoplastic micro-particles and the thermoplastic micro-particles is dispersed in the resin base, the mass ratio of the components including graphene, thermoplastic microparticles and (resin matrix and curing agent) is (0.5-5):(5-10):(94.5-85). USE - Used as thermally conductive complex material. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for preparing heat-conducting complex material comprising (a) adding reduced graphene dispersed in the low boiling point organic solvent, stirring uniformly, adding thermoplastic micro-particles, adjusting the pH value to 6-9 with buffer solution, stirring to promote graphene thermoplastic micro-particles with the electrostatic absorption, to obtain stable self-assembled mixed filler suspension, where the mass ratio of reduced graphene and thermoplastic micro-particles is 1:(2-10), (b) adding the suspension, stirring uniformly, adding curing system, mixing evenly, removing the solvent by vacuum in the resin matrix, heating based on the curing system, to obtain thermally conductive resin-based complex material, where the mass ratio of (resin matrix and curing system) and self-assembling filler is (94.5-85):(5.5-15).