▎ 摘　　要

NOVELTY - Graphene conductive coating with uniform color comprises water-soluble resin and curing agent, modified graphene polyaniline composite, iron oxide red, thickener, cross-linking coupling agent, dispersant, defoamer, leveling agent and deionized water (balance amount). The method for preparing modified graphene polyaniline composite comprises (i) mixed peanut shell, melamine and sodium hydroxide solution, preparing uniform slurry, diluting with water, uniformly stirring, incubating, discarding the underlying precipitate to obtain biomass dispersion; (ii) mixing the biomass dispersion and graphene oxide solution to obtain a reaction solution, hydrothermally reacting, performing dialysis treatment to obtain a modified graphene dispersion; and (iii) polymerizing aniline in a modified graphene dispersion. USE - Used as graphene conductive coating with uniform color. ADVANTAGE - The graphene conductive coating with uniform color has good conductivity. DETAILED DESCRIPTION - Graphene conductive coating with uniform color comprises 40-45 wt.% water-soluble resin and curing agent, 20-28 wt.% modified graphene polyaniline composite, 3-5 wt.% iron oxide red, 0.5-2 wt.% thickener, 1.5-2.5 wt.% cross-linking coupling agent, 0.5-3 wt.% dispersant, 0.1-1 wt.% defoamer, 0.1-1 wt.% leveling agent and deionized water (balance amount), where the thickness of graphene conductive coating is 70-90 mu m and the graphene conductive coating is coated with a graphene conductive coating. The method for preparing modified graphene polyaniline composite comprises (i) mixed peanut shell, melamine and 0.8-1.5 mol/l sodium hydroxide solution in a mass ratio of 1-1.3:1-1.5:50, preparing uniform slurry, diluting 2-3 times with water, uniformly stirring, incubating, discarding the underlying precipitate to obtain biomass dispersion; (ii) mixing the biomass dispersion and graphene oxide solution to obtain a reaction solution, hydrothermally reacting at 15-18 degrees C at 180-200 degrees C, performing dialysis treatment to obtain a modified graphene dispersion, where the biomass in the reaction solution is 3-4 mg/ml and the content of graphene oxide in the reaction solution is 0.5-2.0 mg/ml; and (iii) polymerizing aniline in a modified graphene dispersion. An INDEPENDENT CLAIM is also included for preparing a graphene conductive coating comprising, uniformly mixing water soluble resin, modified graphene polyaniline composite, iron oxide red, thickener, cross-linking coupling agent, dispersant and water, adding defoamer and leveling agent and uniformly mixing, adding curing agent and uniformly mixing and brushing on the non-conductive substrate.