Method for preparing super-hydrophobic surface by nano-composite electro-brush plating

Abstract

A method for preparing a super-hydrophobic surface by nano-composite electro-brush plating belongs to the method for preparing of the super-hydrophobic surface. The method comprises the following steps: step1, preparation of plating: firstly, polishing carbon steel basal body, wherein the surface roughness Ra is 0.8, and then drying after cleaning; sedimentating double-layered nano-composite plating with micro-nano double coarse structure on the carbon steel basal body according to the process order of electrocleaning-second actification-third actification-bottom layer plating-plating of nanometer C / Ni composite plating-plating of nanometer Cu / Ni composite plating, using deionized water to wash after each step is finished, and then conducting next step; placing brush plated sample into alcohol, washing for 30 min in an ultrasonic cleaner, placing in a drying box at the temperature of 60 DEG C to dry for 1 h; step2, surface chemical modification: placing dried sample in prepared silicon fluoride solution to soak for 40 min at the temperature of 60 DEG C, wherein the mass ratio of Actyflon-G607 and absolute ethyl alcohol is 1:49, and taking out to dry in the drying box at the temperature of 100 DEG C for 1 h.

Description

technical field [0001] The invention relates to a method for preparing a hydrophobic surface, in particular to a method for preparing a super-hydrophobic surface by nanocomposite electric brush plating. Background technique [0002] Superhydrophobic surfaces have broad application prospects in many fields due to their excellent properties, such as self-cleaning function, waterproof, anti-icing, anti-corrosion, etc. The most well-known superhydrophobic surface is the lotus leaf, which has excellent superhydrophobic performance and extraordinary self-cleaning function. The preparation and application of superhydrophobic surfaces has always been a research hotspot for scientists. The researchers summed up two methods for preparing superhydrophobic surfaces: one is to prepare micro-nano double rough structures on materials with low surface energy, and the other is to prepare micro-nano double rough structures on materials with relatively high surface energy. , and then modify ...

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a method for preparing a super-hydrophobic surface by nanocomposite electric brush plating, which solves the problems of low mechanical strength of the surface in the preparation process of the current super-hydrophobic surface, complicated technological process, and insufficient durability of surface wear resistance. Difficult to achieve large-area preparation