▎ 摘　　要

NOVELTY - Graphene dispersion comprises graphene, dispersant and organic solvent, where the dispersant is non-ionic surfactant, and the mass ratio between graphene and the dispersant is 0.1-3:1. USE - The dispersion liquid is useful for anti-corrosion coating (claimed). ADVANTAGE - The graphene dispersion: has uniform particle size distribution, excellent storage stability, excellent compatibility with resin, and excellent anticorrosive properties. The preparation method: is simple and low cost; and is suitable for industrial production. DETAILED DESCRIPTION - INDEPENDENT CLAIMS are also included for: (1) preparing the graphene dispersion, comprising adding dispersant and graphene into organic solvent sequentially to obtain pre-dispersion liquid, and processing pre-dispersion liquid in dispersion device to obtain final product, where the dispersing equipment includes ultrasonic cell crusher, high pressure homogenizer, sand mill, ball mill and/or high-speed shear emulsifier; and (2) anti-corrosion coating comprising epoxy resin and the graphene dispersion in a mass ratio of 5000:1-200:1.