▎ 摘　　要

NOVELTY - An aqueous electroconductive antistatic coating material comprises 35-50 %mass nonionic aqueous polyurethane emulsion, 0.5-5 %mass graphene, 0.1-0.5 %mass wetting agent, 10-15 %mass talc, 0.5-1 %mass dispersant, 0.1-0.5 wt.% anti-flash rust additive, 0-1 %mass anti-settling agent, 0.5-1.5 %mass coalescent, 0.5-1 %mass coupling agent and remainder of water. The nonionic aqueous polyurethane emulsion is prepared using 5-isocyanato-4-(isocyanatomethyl)-1,1,2-trimethylcyclohexane (I), butane-1,4-diol (II) and butane compound (III). USE - Aqueous electroconductive antistatic coating material (claimed). ADVANTAGE - The aqueous electroconductive antistatic coating material is environmentally-friendly, and has excellent stable performance and corrosion resistance. The nonionic aqueous polyurethane emulsion has excellent adhesiveness, wash resistance and stable performance. The graphene has excellent conductivity and anticorrosion performance. DETAILED DESCRIPTION - An aqueous electroconductive antistatic coating material comprises 35-50 %mass nonionic aqueous polyurethane emulsion, 0.5-5 %mass graphene, 0.1-0.5 %mass wetting agent, 10-15 %mass talc, 0.5-1 %mass dispersant, 0.1-0.5 wt.% anti-flash rust additive, 0-1 %mass anti-settling agent, 0.5-1.5 %mass coalescent, 0.5-1 %mass coupling agent and remainder of water. The nonionic aqueous polyurethane emulsion is prepared using 5-isocyanato-4-(isocyanatomethyl)-1,1,2-trimethylcyclohexane of formula (I), butane-1,4-diol of formula: OH-(CH2)4-OH and butane compound of formula: H-(O-(CH2)4)n-OH (III). n=not defined. N.B: n is not defined. An INDEPENDENT CLAIM is included for preparation of aqueous electroconductive antistatic coating material, which involves uniformly mixing nonionic aqueous polyurethane emulsion, graphene, wetting agent, talc, dispersant, anti-flash rust additive, anti-settling agent, coalescent, coupling agent and water and grinding to particle size of less than 40 mu m in a grinding mill.