Water-based nano-plate coating and preparation method thereof

The invention relates to the technical field of water-based nano-plate coatings, in particular to a water-based nano-plate coating and a preparation method thereof.The water-based nano-plate coating is prepared from water-based nano-suspension liquid, polyurethane resin, nano-scale pigment and auxiliaries, and the water-based nano-suspension liquid is prepared from a nano-material, a dispersing agent, a thickening agent and a solvent; the preparation method comprises the following steps: S1, adding the deionized water into a reaction kettle, then adding the dispersing agent, the thickening agent and the nano material, and carrying out heating, stirring and mixing; s2, adding a nano-scale pigment into the water-based nano-suspension prepared in the step S1, and stirring and mixing; s3, adding polyurethane resin into the mixed solution prepared in S2, and stirring and mixing; and S4, adding an auxiliary agent at the last 5 minutes of stirring in the S3, and continuously stirring and mixing. 本发明涉及水性纳米板材涂料技术领域，具体