▎ 摘　　要

NOVELTY - Preparing graphene-porous polymer composite material, comprises e.g. dispersing surfactant in water to prepare aqueous solution, dispersing graphene oxide in water to prepare graphene oxide sol, mixing, ultrasonicating to obtain the modified graphene oxide aqueous dispersion, adding monomer, crosslinking agent, initiator and pore-forming agent in the aqueous phase, using homogenizer or carrying out ultrasonic wave process to form oil-in-water or water-in-oil type emulsion, transferring the emulsion into a sealed container, filling nitrogen, reacting, removing excess water, and vacuum drying. USE - The method is useful for preparing graphene-porous polymer composite material (claimed). ADVANTAGE - The method has simple process, and is economical. The porous material has controlled pore structure (2-120 mu m), and is provided with high specific surface area. DETAILED DESCRIPTION - Preparing graphene-porous polymer composite material, comprises (i) uniformly dispersing the surfactant in the water to prepare aqueous solution with mass percentage of 0.1-1%, dispersing graphene oxide in water to prepare graphene oxide sol with mass percentage of 0.005-0.5%, (ii) stirring at room temperature, adding surfactant containing aqueous solution into the graphene oxide sol, where the mass percentage of surfactant is 5-500% of the graphene oxide, continuously stirring for 0.5-2 hours, and ultrasonicating for 10-60 minutes to obtain the modified graphene oxide aqueous dispersion, and using aqueous phase for subsequent reaction, (iii) adding monomer, crosslinking agent, initiator and pore-forming agent in the aqueous phase, where the mass percentage of monomer in aqueous phase is 10-100%, the mass percentage of crosslinking agent is 5-400%, the mass percentage of initiator is 0.2-4%, the dosage of pore-forming agent is 0-5 times the mass of aqueous phase, where the molecular structure of monomer comprise a carbon-carbon double bond, and the molecular structure of crosslinking agent comprise two or at least two carbon-to-carbon double bond, and (iv) using homogenizer or carrying out ultrasonic wave process, where the time is 5-60 minutes to form oil-in-water or water-in-oil type emulsion, transferring the emulsion into a sealed container, filling nitrogen to protect, reacting at 55-80 degrees C for 20-28 hours, removing excess water, pore-forming agent, unreacted monomer and surfactant from the product, using a vacuum oven for drying at 30-100 degrees C for 20-28 hours to obtain composite material.