Antifouling coating used for environmental protection type ship and preparation method thereof

The invention relates to an antifouling coating used for an environmental protection type ship and a preparation method thereof. The coating comprises the following components in parts by weight: 15-30 parts of acrylic resin, 10-20 parts of silicate, 5-10 parts of rosin, 5-10 parts of zinc oxide, 0.5-5 parts of anti-settling agent, 2-10 parts of iron oxide red, 1-10 parts of isothiazolin-ketone, 0.5-10 parts of pyridine salt and 15-30 parts of solvent. The solvent is arranged in a reactor, the acrylic resin, the anti-setting agent, the rosin, the zinc oxide, the iron oxide red and the pyridine salt are added under stirring, obtained uniformly mixed materials are arranged in a grinder, then the isothiazolin-ketone and the silicate are added, and the mixture is ground to obtain a product. Compared with the prior art, the antifouling agent adopted in the antifouling coating is released into the environment to be naturally degraded and can not be accumulated, and in a better paint film performance state, a promoter truly realizes the environment protection of the coating.