▎ 摘　　要

NOVELTY - A liquid dispersion of two-dimensional (2D) material/graphitic nanoplatelets in water or aqueous solution is formed by (1) creating a dispersing medium; (2) mixing the 2D material/graphitic nanoplatelets into the dispersing medium; and (3) subjecting the 2D material/graphitic nanoplatelets to sufficient shear forces and/or crushing forces to reduce the particle size of the 2D material/graphitic nanoplatelets using a mechanical unit where the liquid dispersion comprises the 2D material/graphitic nanoplatelets, greater than or equal to 1 grinding media, water, and greater than or equal to 1 wetting agent, and where greater than or equal to 1 grinding media is water soluble or functionalized to be water soluble. USE - Formation of liquid dispersion of two-dimensional (2D) material/graphitic nanoplatelets in water or aqueous solution used for liquid coating composition (all claimed). ADVANTAGE - The higher the interfacial tension between a dispersing medium, the stronger are the forces fending to reduce the interfacial area. Milling performance of the dispersion when acting on 2D material/graphitic nanoplatelets, is further improved by the presence of grinding media in the mixture being milled. The improvement is exhibited by faster milling, lower heat generation in the milling process, a more uniform particle size in the dispersion, a smaller D50 particle size in the dispersion, a lower dispersion viscosity, a greater storage stability relative to known short shelf life dispersions, and an ability to re-disperse any combined grinding media/2D material/graphitic nanoplatelets particles that have settled out of the dispersion by simple agitation of the dispersion. The use of grinding media allows for lower use of wetting agent in creating the dispersion, thus, minimizing solubility issues with coatings formed from coating systems incorporating dispersions. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for liquid dispersion comprising 2D material/graphitic nanoplatelets, greater than or equal to 1 grinding media, water, and greater than or equal to 1 wetting agent, and in which greater than or equal to 1 grinding media is water soluble or functionalized to be water soluble.