▎ 摘　　要

NOVELTY - Preparing high thermal conductivity film material, comprises (1) using ITO conductive glass with hydrophilic surface treatment as the substrate, vertically inserting into aqueous solution of polystyrene microspheres, and self-assembling in a closed environment to obtain a self-assembled opal template, (2) taking the aniline solution and sulfuric acid solution, adding carboxylated graphene, and mixing and stirring, washing with ethanol and deionized water respectively and vacuum drying, (3) placing polyaniline/graphene film in a tube furnace protected by a flowing inert atmosphere, and performing high-temperature treatment, (4) weighing functional monomer, molecular weight regulator, cross-linking agent and azo initiator and reacting, and (5) placing the ordered three-dimensional inverse opal carbon skeleton into the adhesive resin prepolymer dispersion, dipping and pulling, heat curing, and covering and peeling off ITO glass substrate. USE - The method is useful for preparing high thermal conductivity film material. ADVANTAGE - The method simultaneously deposits polyaniline and graphene in the void of the three-dimensional opal structure, using polyaniline to form a continuous three-dimensional ordered porous carbon-rich structure with embedded graphene after high temperature treatment, the high thermal conductivity film material is obtained after filling the heat conduction enhanced modified acrylic ester adhesive resin. The film can be used in 5G(Fifth generation) base stations, semiconductor chips, OLED displays, high-power power supplies, heat dissipation and cooling of power batteries, photovoltaic equipment to ensure the long life of the equipment, efficient and stable operation. DETAILED DESCRIPTION - Preparing high thermal conductivity film material, comprises (1) using ITO conductive glass with hydrophilic surface treatment as the substrate, vertically inserting into the aqueous solution of polystyrene microspheres, and self-assembling in a closed environment to obtain a self-assembled opal template, (2) taking the aniline solution and sulfuric acid solution, adding carboxylated graphene, and mixing and stirring at room temperature for 20-30 minutes to obtain the precursor solution, using the self-assembled opal template as a working electrode, silver/silver chloride as a reference electrode, and a platinum sheet as a counter electrode, using the precursor solution as an electrolyte, electrochemically polymerizing and depositing polyaniline, so that polyaniline and graphene are composited and the material fills the voids of the opal, transferring to toluene for soaking, washing with ethanol and deionized water respectively after taking out, and obtaining polyaniline/graphene inverse opal film after vacuum drying, (3) placing the polyaniline/graphene film in a tube furnace protected by a flowing inert atmosphere, and performing high-temperature treatment to obtain a continuous three-dimensional ordered porous carbon-rich structure skeleton, (4) weighing the functional monomer, molecular weight regulator, cross-linking agent and azo initiator according to the mass ratio, and reacting under an inert atmosphere at 40-60℃ for 1-2 hours, dropping heat-conducting enhanced particles, stirring evenly to obtain adhesive resin prepolymer dispersion, and (5) placing the ordered three-dimensional inverse opal carbon skeleton into the adhesive resin prepolymer dispersion, dipping and pulling for 2-3 times in a vacuum state, heat curing treatment, and covering the plasma treated polyester film on the surface of the adhesive layer, and peeling off the ITO glass substrate, and obtaining a high thermal conductivity film material. An INDEPENDENT CLAIM is also included for high thermal conductivity film material prepared by the method as mentioned above, comprising continuous three-dimensional ordered porous carbon-rich structure skeleton, modified adhesive resin and outer protective film, where the continuous three-dimensional ordered porous carbon-rich structural skeleton uses polystyrene microsphere self-assembled opal as a template, and simultaneously deposits and fills polyaniline and graphene composites in its voids, and obtained by high-temperature treatment under an inert atmosphere.