▎ 摘　　要

NOVELTY - A modified graphene preparation method comprises mixing graphene and straight-chain hydroxyl and epoxy base compound, adding quaternary ammonium salt, and reacting. USE - Modified graphene preparation method used for preparing aqueous antistatic epoxy floor coatings (claimed). ADVANTAGE - The coating has surface resistance of 2.5x 104-2.7x 105 Omega . DETAILED DESCRIPTION - INDEPENDENT CLAIMS are included for (1) components of aqueous antistatic epoxy floor coatings comprising component A comprising 40-60 wt.% aqueous epoxy resin, 0.1-1 wt.% modified graphene, 20-30 wt.% graphite, and additive; and component B comprising 50-70 wt.% aqueous amine curing agent, 1-2 wt.% film-forming additive, 10-60 wt.% water and 3-5 wt.% defoaming agent; and (2) preparation of aqueous antistatic epoxy floor coatings comprising mixing component A raw materials, mixing component B raw materials, and mixing component A and B at 1:1 molar ratio.