▎ 摘　　要

NOVELTY - Preparing functionalized graphene oxide with room temperature silicon sulfide rubber composite nano-material comprises adding maleic anhydride, acetone, and gamma -aminopropyltriethoxysilane into a round bottom flask under a nitrogen atmosphere, reacting, sequentially adding sodium acetate and acetic anhydride, stirring, separating the solid-liquid two phases by suction filtration, and swirling the brown yellow liquid, a brownish-yellow viscous liquid is obtained; weighing graphene oxide dispersed into the dispersant, ultrasonically treating, dispersing, and adding ammonia. USE - The method is useful for preparing functionalized graphene oxide with room temperature silicon sulfide rubber composite nano-material. ADVANTAGE - The method improves the interfacial interaction force and the mechanical property of the nano-composite material, has better exert the room temperature vulcanized silicone rubber material and the obtained graphene oxide has excellent performance. DETAILED DESCRIPTION - Preparing functionalized graphene oxide with room temperature silicon sulfide rubber composite nano-material comprises (i) adding maleic anhydride, acetone, and gamma -aminopropyltriethoxysilane into a round bottom flask under a nitrogen atmosphere, reacting, sequentially adding sodium acetate and acetic anhydride, stirring, separating the solid-liquid two phases by suction filtration, and swirling the brown yellow liquid, a brownish-yellow viscous liquid is obtained, i.e. maleimidopropyl triethoxysilane (PTESMI); (ii) weighing graphene oxide (GO) dispersed into the dispersant, ultrasonically treating to obtain a certain content of graphene oxide, dispersing uniformly, adding ammonia and step (i) prepared maleimide propyl triethoxysilane (PTESMI ), and then quickly transferring into the reaction system oil bath, refluxing under vigorous stirring; completing the reaction and purifying the PTESMI surface-modified GO (GO-PTESMI) by suction filtration; weighing GO-PTESMI dispersed in dispersant, ultrasonically treating GO-PTESMI, and dispersing uniformly, adding hydrogen containing polydimethylsiloxane (PDMS), platinum catalyst, purging with nitrogen, reacting, and filtering to obtain functionalized graphene oxide (GO-PTESMIPDMS); dispersing the step (i) obtained functionalized modified graphene oxide in a dispersant, ultrasonically treating for stable GO-PTESMI-PDMS dispersion, mixing component of Dow Corning Sylgard 184 with a dispersant to obtain silicone rubber dispersion, and mixing dispersion of silicone rubber and GO-PTESMIPDMS stable dispersion in a digital high-speed dispersion homogenizer, removing the dispersant by rotary evaporation under reduced pressure, adding Dow Corning Sylgard 184 B, and mixing at 1500-2000 rotations per minute, mixed into the mold after the vacuum degassing, and curing.