Preparation method of hexagonal boron nitride-based colored super-hydrophobic anti-corrosion coating

The invention discloses a preparation method of a hexagonal boron nitride-based colored super-hydrophobic anti-corrosion coating, which comprises the following steps of: forming a white inorganic composite material by taking hexagonal boron nitride as a main body material and taking wollastonite and silicon dioxide as auxiliary materials; dispersing the white inorganic composite material, the colored acrylic pigment solution supernatant, octadecyl trimethoxy silane, epoxy resin and polyamide resin in absolute ethyl alcohol to form a uniform suspension; and spraying the uniform suspension on the surface of the magnesium alloy by adopting a spraying method, and heating at 60-70 DEG C for 2 hours, so that the uniform suspension is completely crosslinked and cured on the surface of the magnesium alloy to obtain the h-BN-based color super-hydrophobic coating. The preparation process of the super-hydrophobic coating is simple, raw materials are cheap, environmentally friendly and easy to obtain, the super-hydrophob