▎ 摘　　要

NOVELTY - Preparing dendritic graphene marine antifouling and anticorrosive coating material comprising e.g. carrying out Hummers method, adding obtained graphene oxide and sodium dodecyl benzene sulfonate and ultrasonically mixing, adding graphene oxide and distilled water into container, adding potassium hydroxide and propargyl amine into dispersion, washing with distilled water, taking 3-mercapto-1,2-propanediol, benzoin dimethyl ether, alkynylated graphene oxide and solvent tetrahydrofuran in container, dispersing terminal hydroxylated graphene in dichloromethane and adding triethylamine. USE - The method is useful for preparing dendritic graphene marine antifouling and anticorrosive coating material (claimed). ADVANTAGE - The coating material has low surface energy, antibacterial performance, excellent mechanical property and improves corrosion resistance of anticorrosive coating. DETAILED DESCRIPTION - Preparing dendritic graphene marine antifouling and anticorrosive coating material comprising (i) carrying out Hummers method to prepare graphene oxide, adding obtained graphene oxide and sodium dodecyl benzene sulfonate and ultrasonically mixing to obtain graphene oxide gel, (ii) adding graphene oxide and distilled water into container, ultrasonicating and dispersing to obtain bright yellow dispersion, adding potassium hydroxide and propargyl amine into dispersion, stirring to mix, reacting at room temperature for 30- 60 minutes, stirring and reacting at 70-90 degrees C for 20-24 hours, filtering through 0.22 mu m polytetrafluoroethylene membrane, washing with distilled water to neutral and vacuum drying, (iii) taking 3-mercapto-1,2-propanediol, benzoin dimethyl ether (DMPA), alkynylated graphene oxide and solvent tetrahydrofuran in container, ultrasonically mixing for 20-30 minutes, reacting under ultraviolet lamp for 5-8 hours, centrifuging, washing with tetrahydrofuran and drying under vacuum, (iv) dispersing terminal hydroxylated graphene in dichloromethane, ultrasonically mixing, adding triethylamine, stirring under ice bath for 20-30 minutes, then adding alpha -bromoisobutyryl bromide, stirring under ice bath for 4-6 hours and then stirring at room temperature for 38-48 hours, and (v) adding graphene initiator, copper(I) bromide and 2,2-Bipyridine into vessel, passing nitrogen, then adding perfluorohexyl ethyl methacrylate, magnetically stirring and reacting at 90-110 degrees C, until system becomes dark brown viscous liquid, precipitating polymerization product with n-hexane, filtering and vacuum drying to obtain coating material. An INDEPENDENT CLAIM is also included for dendritic graphene marine antifouling and anticorrosive coating material obtained by above method.