Solvent-free coating for galvanized pipe and preparation method of solvent-free coating

The invention relates to the field of coating compositions, in particular to a solventless coating for a galvanized pipe, which comprises the following raw material components in parts by weight: 160-200 parts of epoxy resin; 2-4 parts of a curing agent; 2-4 parts of an auxiliary agent; 1-3 parts of an antibacterial agent; and 120-150 parts of pigment and filler. The solvent-free coating for the galvanized pipe is high in adhesive force and good in long-acting antibacterial property, and the service life of the galvanized pipe can be effectively prolonged. 本发明涉及涂料组合物领域，尤其涉及一种镀锌管用无溶剂涂料，其包含以下重量份数的原料组分：环氧树脂160-200份；固化剂2-4份；助剂2-4份；抗菌剂1-3份；颜填料120-150份。本发明的镀锌管用无溶剂涂料附着力强，长效抗菌性好，能够有效延长镀锌管的使用寿命。