▎ 摘　　要

NOVELTY - Preparing a graphene-containing polystyrene polymer includes using Hummers method to prepare graphite oxide, preparing mixture B from silane coupling agent of graphite oxide of mixture A and flame retardant, adding dibenzoyl peroxide, stirring and heating to obtain a first mixture; and ultrasonic vibrating to obtain a second mixture; adding the obtained first mixture to the second reactor, and stirring, adding the second mixture, adding emulsifier, and reacting to obtain a mixture C; adding mixture C to pentane, charging nitrogen, cooling, washing and drying to obtain the polymer. USE - Method for preparing a graphene-containing polystyrene polymer (claimed). DETAILED DESCRIPTION - Preparing a graphene-containing polystyrene polymer comprises: (A) using Hummers method to prepare graphite oxide by adding 0.1-10% ethanol solution of a silane coupling agent to the 0.1-3% ethanol solution of the graphite oxide at 20-70 degrees C, under conditions of agitation at 200-400 revolutions/minute (rpm), reaction stirring for 0.5-12 hours to obtain a mixture A, centrifuging the mixture at 15000-16000 rpm for 10-60 minutes, placing the centrifuged solid precipitate in a vacuum oven at 60-90 degrees C, and drying for 12-48 hours to obtain silane coupling agent of graphite oxide, where the ratio of the ethanol solution of a silane coupling agent in ethanol solution of the graphite oxide is 1:1-10; (B) adding 0.5-5 g silane coupling agent of graphite oxide and 0.1-5 g flame retardant to 100 g styrene in the ultrasonic for 1-6 hours to obtain mixture B; adding 0.1-1 g dibenzoyl peroxide to the mixture B, stirring and heating at 200-400 rpm and 80-90 degrees C for 1-5 hours to obtain a first mixture; (C) adding 0.1-5 g dispersing agent to 200 ml deionized water, and ultrasonic vibrating for 0.5-2 hours to obtain a second mixture; (D) adding the obtained first mixture to the second reactor, and stirring at 200-500 rpm, adding the second mixture to the reaction vessel at 85-95 degrees C for 1-2 hours, adding 0.01-1 g emulsifier, and reacting for 2-4 hours to obtain a mixture C; and (E) adding mixture C to 7-10 g pentane, charging nitrogen to the reaction vessel to reach 5-6 MPa, and raising the reaction temperature inside the autoclave to 125 degrees C for 6-8 hours, cooling the reactor to 40-50 degrees C, deflating to zero pressure, removing, washing and drying solids, derived graphene-containing polystyrene polymers; where the volume ratio of the first mixture and the second mixture is 1:(1-10).