The addition of three-dimensional graphene powder to zinc-rich coatings can effectively improve the anti-corrosion performance of coatings, and has the following advantages:


1) Fill the gaps between the zinc powders to enhance the electrical contact, without the need for a large amount of zinc powder to be tightly packed, reducing the amount of zinc powder and improving the utilization rate of zinc powder;


2) Improve the connection strength of the coating;


3) Three-dimensional graphene powder has lipophilic and hydrophobic properties, which can slow down the corrosion rate;

4) Matching with the size of zinc powder, it can improve the compactness of the coating and prevent the entry of corrosive substances; 5) It is easy to disperse and the process is simple.