Super-hydrophobic coating for stainless steel and method for preparing the same

Abstract

The present application relates to the technical field of coating, and discloses a super-hydrophobic coating for stainless steel and a preparation method thereof, wherein fluorine-containing diacid monomers and 1,3-bis(4-hydroxybutyl) tetramethyl disiloxane are subjected to esterification polymerization reaction to obtain a super-hydrophobic coating, the polymer molecular chain of the coating contains a large number of hydrophobic siloxane, fluorine-containing groups, benzene rings and ester groups, which significantly improves the hydrophobicity of the coating, presents unique super-hydrophobic performance, and contains siloxane and benzene rings with high structural stability, which is conducive to improving the wear resistance of the coating, the water contact angle retention rate is high after friction, and the wear resistance is good. The polymer molecular chain of the coating contains a large number of urethane groups, which forms strong interaction with the surface of stainless steel and other metals, improves the adhesion between the coating and stainless steel, and the adhesion grade reaches grade 1.

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