▎ 摘　　要

NOVELTY - Annual ring-shaped graphene silicone resin bionic composite material, comprises 55- 73 wt.% silicone resin matrix, 20-40 wt.% annual ring-shaped graphene bionic skeleton array and 5-7 wt.% curing agent. USE - The annual ring-shaped graphene silicone resin bionic composite material is useful as thermally conductive packaging material or thermal interface material in 5th generation communication equipment and high-power electronic equipment (claimed); and in 5th generation communication equipment, electronic packaging, aerospace, energy and chemical industries. ADVANTAGE - The method: utilizes 3 dimensional printing technology, and concentric circle hierarchical structure as the skeleton, which can effectively form vertical connection network. The composite material: exhibits excellent thermal and electrical conductivity at a low graphene content; is non-toxic, convenient to prepare, easy to expand production, environmentally friendly and thermal interface material with excellent performance; and has low cost. The maximum thermal conductivity of the composite material is greater than 20W/mK, and the maximum electrical conductivity is greater than 100 S/m. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for preparing annual ring-shaped graphene silicone resin bionic composite material, comprising constructing the graphene-containing mixed slurry into a bionic skeleton having annual ring shape using colloidal 3 dimensional printing, forming array structure, then obtaining the graphene skeleton array through the process of high temperature hot isostatic pressing, and then adding the graphene skeleton array into flexible silicone resin matrix to obtain final product.