▎ 摘　　要

NOVELTY - Method for preparing thermally conductive porous hybrid composite material, by (i) ultrasonically dispersing graphene oxide in a dimethyl sulfoxide solvent, (ii) adding carbon nanotubes and ultrasonically dispersing, (iii) adding 2-methylimidazole, heating, cooling to room temperature, centrifuging, washing and vacuum drying to obtain graphene oxide-carbon nanotube hybrid material, (iv) adding the graphene oxide-carbon nanotube hybrid material obtained in step (iii) to a liquid monomer or prepolymer, and using as an oil phase after ultrasonically dispersing at room temperature, (v) using pH value of 3-4 hydrochloric acid as water phase, and dripping the water phase to oil phase obtained in step (iv) under magnetic stirring to obtain a stable graphene oxide-carbon nanotube hybrid water-in-oil pickering emulsion and (vi) placing the water-in-oil pickering emulsion in a blast drying box, heating at 65-75 degrees C, and maintaining the temperature for 24 hours to obtain the product. USE - The method is useful for preparing sheets, plates, films, coatings and adhesives. ADVANTAGE - The method is suitable for a variety of monomers, requires simple equipment, low cost and convenient process operation. DETAILED DESCRIPTION - Method for preparing thermally conductive porous hybrid composite material, involves (i) ultrasonically dispersing graphene oxide in a dimethyl sulfoxide solvent to obtain a graphene oxide dispersion liquid, (ii) adding carbon nanotubes to the graphene oxide dispersion obtained in step (i), and ultrasonically dispersing to obtain carbon nanotube-graphene oxide dispersion system, (iii) adding 2-methylimidazole to the graphene oxide-carbon nanotube dispersion system obtained in step (ii), heating at 155 degrees C and maintaining for 7.5 hours, cooling to room temperature, centrifuging, washing and vacuum drying to obtain graphene oxide-carbon nanotube hybrid material, (iv) adding the graphene oxide-carbon nanotube hybrid material obtained in step (iii) to a liquid monomer or prepolymer, and using as an oil phase after ultrasonically dispersing at room temperature, (v) using pH value of 3-4 hydrochloric acid as water phase, and dripping the water phase to oil phase obtained in step (iv) under magnetic stirring to obtain a stable graphene oxide-carbon nanotube hybrid water-in-oil pickering emulsion and (vi) placing the water-in-oil pickering emulsion in a blast drying box, heating at 65-75 degrees C, and maintaining the temperature for 24 hours to obtain the product.