Anti-corrosion protective coating for fender and preparation method of anti-corrosion protective coating

The invention relates to the technical field of ship fenders, and particularly discloses an anti-corrosion protective coating for a fender and a preparation method thereof.The anti-corrosion protective coating for the fender comprises a bottom layer and a spraying coating, and the spraying coating comprises, by weight, 100-120 parts of polyurethane elastomer, 20-30 parts of polyurethane elastomer, 20-30 parts of epoxy resin, 20-30 parts of a curing agent, 20-30 parts of a curing agent and 20-30 parts of a curing agent 50 to 90 parts of amine-terminated polyether; 35 to 45 parts of polyether polyol; 3-6 parts of polytetrafluoroethylene; 20-30 parts of carbon fiber fragments; 5-15 parts of a dispersant; 30 to 40 parts of surface modified micron amorphous igneous rock; 25-35 parts of a light curing agent; 3-6 parts of a light stabilizer; 10 to 20 parts of a chain extender; and 0.2-1 part of a metal oxide. The coating can be rapidly cured without using a diluent, can be sprayed and formed on any curved surface, i