Corrosion-resistant waterborne epoxy floor paint and preparation method thereof

The invention discloses a corrosion-resistant waterborne epoxy floor paint and a preparation method thereof. The corrosion-resistant waterborne epoxy floor paint comprises a composition A and a component B. The component A comprises the following raw materials in parts by weight: 40-45 parts of a waterborne epoxy resin curing agent, 60-70 parts of water, 3-5 parts of a preservative, 1-5 parts of superfine light calcium carbonate powder, and 3-10 parts of an anti-static agent. The component B comprises the following raw materials in parts by weight: 30-40 parts of water-based modified epoxy resin, 10-20 parts of water-based hyperbranched resin, 10-15 parts of superfine light calcium carbonate powder, 5-10 parts of modified filler, 5-8 parts of linoleic acid, 4-10 parts of graphene, 1-3 parts of a preservative, 2-4 parts of a dispersing agent, 3-5 parts of a wetting agent, 4-10 parts of a surfactant, 1-9 parts of a reactive diluent, 4-8 parts of a surface modifier, 2-10 parts of an epoxy curing agent, 3-9 parts