▎ 摘　　要

NOVELTY - Composite material comprises 100 pts. wt. epoxy resin, 20-30 pts. wt. liquid polyisoprene rubber, 10-20 pts. wt. silane coupling agent modified graphene oxide, 10-30 pts. wt. titanium diboride-silicon dioxide composite ceramic powder, 15-20 pts. wt. curing agent, 10 pts. wt. diluting agent, 10 pts. wt. antifoaming agent, 0.5-1 pts. wt. dehydrating agent and 1-5 pts. wt. thixotropic agent. USE - Composite material. ADVANTAGE - The composite material is non-toxic, has high intensity, good toughness, good conductivity, high temperature resistance, small shrinkage deformation, simple preparation and low cost raw material. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for a method for preparing a composite material, which involves: (A) preparing a reinforcing powder by dispersing silane coupling agent modified graphene oxide and titanium diboride-silicon dioxide composite ceramic powder in an aqueous ethanol solution, mixing uniformly, and then subjecting it to suction filtration and drying to obtain a reinforcing powder; (B) placing epoxy resin in a beaker, placing beaker in an oven for 30-60 minutes for removing bubbles and reducing its viscosity; (C) adding liquid polyisoprene rubber, antifoaming agent, diluting agent, reinforcing powder, dehydrating agent and thixotropic agent to epoxy resin, placing mixture in a thermostatic magnetic stirrer, stirring at 100 degrees C for 1 hour, adding curing agent, and stirring for 2 hours to obtain stirred material; and (D) placing stirred material in a vacuum drying box for 12 hours, pouring obtained mixture into a pre-heated mold, and placing mold in an oven and heating it to 150-180 degrees C, and then subjecting it to curing and molding to obtain final product.