▎ 摘　　要

NOVELTY - The preparation method of amphiphilic-reinforced graphene oxide involves adding concentrated sulfuric acid and natural graphite into large beaker in ice bath, stirring, adding potassium permanganate, stirring, heating, adding distilled water and aqueous solution of hydrogen peroxide, ultrasonically reacting, centrifuging, adjusting pH value, vacuum drying and obtaining oxidized graphene powder, adding oxidized graphene powder to N,N-dimethylformamide, ultrasonically reacting, heating, adding anhydrous potassium carbonate and potassium iodide as catalyst and stirring. USE - Preparation of amphiphilic-reinforced graphene oxide (claimed). ADVANTAGE - The method enables preparation of amphiphilic-reinforced graphene oxide ensuring enhanced compatibility and improved hydrophilicity. DETAILED DESCRIPTION - The preparation method of amphiphilic-reinforced graphene oxide involves (1) adding 23 ml of 98% concentrated sulfuric acid and 1 g natural graphite into 250 ml large beaker in ice bath, stirring at 300-400 rpm for 10-40 minutes, adding 6 g potassium permanganate, stirring at 300-400 rpm for 2-2.5 hours, reacting at 30-40 degrees C in water bath, stirring at 300-400 rpm for 30-60 minutes, stirring at 300-400 rpm at 80 degrees C in water bath, heating the reaction solution at 80 degrees C, adding 80 ml distilled water, stirring at 300-400 rpm for 15-20 minutes, adding 10.81 ml aqueous solution of hydrogen peroxide, ultrasonically reacting for 1-2 hours, centrifuging at 8000 rpm for 10 minutes, adjusting the pH value to 5-6, vacuum drying at 60 degrees C for 7-8 hours and obtaining oxidized graphene powder, (2) adding 20 mg oxidized graphene powder to 20 ml N,N-dimethylformamide, ultrasonically reacting for 1 hour, heating the mixture with stirring in oil bath, controlling the system temperature at 60 degrees C, adding 69 mg anhydrous potassium carbonate and 35 mg potassium iodide as catalyst, and stirring for 5 minutes, dripping 0.5 ml bromododecane, heating at 60 degrees C for 8 hours, centrifuging at 1200 rpm for 20 minutes, washing the precipitate with ethanol, washing three times with mixture of ethanol and deionized water, washing with deionized 7-8 times, ultrasonically reacting for 30 minutes and vacuum drying at 40 degrees C.