▎ 摘　　要

NOVELTY - Preparing three-dimensional interpenetrating macroporous graphene high-efficiency oil absorption material, comprises (a) ultrasonically processing ground graphite oxide and water to obtain a suspension, and centrifuging the suspension to obtain graphene oxide solution, (b) adding polystyrene micro-sphere and ascorbic acid into the obtained graphene oxide, ultrasonically processing and filtering to obtain black solid, (c) impregnating the obtained black solid in toluene, and cleaning by ethanol and water to obtain primary product, and (d) drying, and freeze-drying the obtained primary product. USE - The method is useful for preparing three-dimensional interpenetrating macroporous graphene high-efficiency oil absorption material (claimed). ADVANTAGE - The method solves the problems of un-adjustable pore size and porosity, high preparation cost and complex operation in the existing graphene oil absorption material preparation method; controls the pore size and porosity of the graphene high-efficiency oil absorption material based on the particle size and different addition amounts of polystyrene microspheres; achieves the adsorption rate for oil and toxic organic substances up to 40-60 g/g; and is environmentally friendly. DETAILED DESCRIPTION - Preparing three-dimensional interpenetrating macroporous graphene high-efficiency oil absorption material, comprises (a) grinding graphite oxide, adding water, ultrasonically processing with a frequency of 40-60 kHz for 20-40 minutes to obtain the suspension, centrifuging the suspension at 4000-6000 revolutions/minute for 15-25 minutes, and taking the supernatant to obtain homogeneous stable graphene oxide solution, where the mass ratio of graphite oxide and water is 1 g:(400-600 ml), (b) adding polystyrene micro-sphere and ascorbic acid into the obtained graphene oxide solution of step (a), adjusting the pH value of the solution to 5-7, maintaining the temperature of the solution at 75-85 degrees C, ultrasonically processing the solution with a frequency of 20-60 kHz for 3-10 minutes and continuously allowing to stand for 1-2 hours at 75-85 degrees C, and filtering to obtain black solid, where the mass ratio of polystyrene microsphere and graphite oxide solution of step (a) is (0.5-1):1, and the mass ratio of ascorbic acid graphite oxide solution of step (a) is (2-3):1, (c) impregnating the black solid obtained in step (b) in toluene for 5-7 hours, taking out, cleaning by ethanol and water to obtain primary product, where the volume-weight ratio of toluene and black solid is (10-15 ml): 1 g, and (d) drying, and freeze-drying the primary product obtained in the step (c) three to obtain graphene high-efficiency material, that is three-dimensional interpenetrating macroporous graphene high-efficiency oil absorption material.