Preparation method of bionic no-modification super-hydrophobic Cu-Zn-CeO2 layer and application thereof
A cu-zn-ceo2, super-hydrophobic technology, applied in coatings, electrolytic coatings, etc., can solve problems such as reducing the stability of super-hydrophobic surfaces, and achieve the effect of excellent hydrophobicity
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[0038] First embodiment , A bionic, modified-free superhydrophobic Cu-Zn-CeO 2 The preparation method of the layer, the steps are:
[0039] (1) Sample pretreatment: Cut X90 pipeline steel and brass into 20mm×50mm×3mm and 20mm×50mm×5mm samples respectively, and use 400#, 1000#, 1500#, 2000# water mills in turn The sandpaper is sanded, and then ultrasonically cleaned with anhydrous ethanol solution for 10 minutes, and dried with a hair dryer.
[0040] (2) Configure electrodeposition solution:
[0041] Dissolve copper sulfate pentahydrate in 50 mL of deionized water, and then add potassium sodium tartrate to obtain solution A, wherein the concentrations of copper sulfate and potassium sodium tartrate are 20 g / L and 100 g / L, respectively;
[0042] Dissolve zinc sulfate heptahydrate in 50 mL deionized water, and then add potassium sodium tartrate to obtain solution B, where the concentrations of zinc sulfate and potassium sodium tartrate are 30 g / L and 100 g / L, respectively;
[0043] Mix s...
Example
[0046] Second embodiment , A bionic, modified-free superhydrophobic Cu-Zn-CeO 2 The preparation method of the layer, the steps are:
[0047] (1) Pretreatment of the sample: the same as in Example 1.
[0048] (2) Configure electrodeposition solution:
[0049] Dissolve copper chloride dihydrate in 50 mL of deionized water, and then add potassium sodium tartrate to obtain solution A, where the concentrations of copper chloride and potassium sodium tartrate are 10 g / L and 100 g / L, respectively;
[0050] Dissolve zinc chloride dihydrate in 50 mL of deionized water, and then add potassium sodium tartrate to obtain solution B, where the concentrations of zinc chloride and potassium sodium tartrate are 10 g / L and 100 g / L, respectively;
[0051] Mix solution A and solution B, then add 4g (40g / L) sodium hydroxide to the mixed solution, and finally add 0.4g (4g / L) nano CeO 2 (Particle size 20-50nm), stir with a magnetic stirrer for 10 minutes to obtain an electrodeposition solution.
[0052] (3) P...
Example
[0054] The third embodiment , A bionic, modified-free superhydrophobic Cu-Zn-CeO 2 The preparation method of the layer, the steps are:
[0055] (1) Pretreatment of the sample: the same as in Example 1.
[0056] (2) Configure electrodeposition solution:
[0057] Dissolve copper nitrate pentahydrate in 50 mL of deionized water, and then add potassium sodium tartrate to obtain solution A, where the concentrations of copper nitrate and potassium sodium tartrate are 30 g / L and 100 g / L, respectively;
[0058] Dissolve zinc nitrate pentahydrate in 50 mL of deionized water, then add potassium sodium tartrate to obtain solution B, where the concentrations of zinc nitrate and potassium sodium tartrate are 35 g / L and 100 g / L, respectively;
[0059] Mix solution A and solution B, then add 6g (60g / L) sodium hydroxide to the mixed solution, and finally add 1.2g (12g / L) nano CeO 2 (Particle size 20-50nm), stir with a magnetic stirrer for 20 minutes to obtain an electrodeposition solution.
[0060] (3)...
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