▎ 摘 要
NOVELTY - Preparation of graphene oxide/porous phenolic resin nanosheet composite aerogel involves (S1) reacting phenol, formaldehyde and sodium hydroxide solution at 60-90℃ for 0.5-2 hours to obtain resole phenolic resin, adding pore-forming agent and anhydrous ethanol to the phenolic resin, stirring at 70-80℃ for 48-60 hours to obtain deep red ethanol micelle dispersion, carrying out thermal polymerization reaction on ethanol micelle dispersion and glycerol to obtain phenolic resin nanosheet, and (S2) dispersing the phenolic resin nanosheet, a crosslinking agent and graphene oxide in water to obtain dispersion liquid, leaving still, reacting in a water bath at 80-120℃ for 24-36 hours to obtain composite hydrogel, dialyzing the composite hydrogel with water-alcohol mixed solution, vacuum-freeze-drying, acid-treating, dialyzing with water-alcohol mixed solution, and freeze-drying. USE - Preparation of graphene oxide/porous phenolic resin nanosheet composite aerogel used for adsorbing organic pollutants in water body (all claimed). ADVANTAGE - The method enables simple preparation of graphene oxide/porous phenolic resin nanosheet composite aerogel with excellent stable three-dimensional porous structure, and high specific surface area and chemical stability. The graphene oxide/porous phenolic resin nanosheet composite aerogel efficiently absorbs organic pollutants in water.