Method for preparing super-hydrophobic coating on steel substrate by virtue of Fe-based nano composite brush electroplating
A nano-composite and electric brush plating technology, applied in coatings, electrolytic coatings and other directions, can solve the problems of incapable of large-scale industrial production and application, incapable of large-scale application, complex preparation process, etc., to achieve wide industrial application prospects and reduce modification costs. , the effect of simple process
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[0026] Example 1: Nano-composite electric brush-plating iron prepares super-hydrophobic coating process on the surface of steel substrate, adopting nano-composite electric brush-plating iron process and coating blackening treatment, the contact angle is greater than 150° and the rolling angle is less than 3° on the surface of the steel substrate The super-hydrophobic coating consists of the following steps:
[0027] (1) Preparation work: First, use 120#, 240#, 360#, 600# sandpaper to polish the workpiece brightly, leaking the metal substrate, clean and dry; prepare the required electro-cleaning fluid, activation fluid, and special nickel Plating solution, nano-composite electric brush plating solution, lye and blackening solution.
[0028] Electric cleaning solution formula: sodium hydroxide (NaOH), the concentration is 15g / L; trisodium phosphate (Na 3 PO 4 ), concentration 40g / L; sodium lauryl sulfate (NaC 12 H 25 SO 4 ), the concentration is 0.1g / L; the PH of the electric cleanin...
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