Method for preparing aluminum-based super-hydrophobic surface through one-step method
A super-hydrophobic surface, aluminum-based technology, applied in the coating process of metal materials, etc., can solve the problems of raw materials harmful to the human body, expensive equipment, rough structure, etc., and achieve the preparation of less harsh experimental conditions, low equipment requirements, and low cost Effect
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specific Embodiment approach 1
[0016] Specific embodiment one: what this embodiment records is a kind of method for preparing aluminum-based superhydrophobic surface by one-step method, and the concrete steps of described method are as follows:
[0017] Prepare sodium chloride aqueous solution and perfluoromyristic acid ethanol solution, mix the two solutions and pour them into a hydrothermal reaction kettle, control the temperature at 150-180°C, and then sand the pure aluminum sheet after ultrasonic cleaning Put it into a hydrothermal reaction kettle, seal it and place the hydrothermal reaction kettle in a constant temperature box. After a period of reaction, take out the aluminum sheet, wash and dry it to obtain an aluminum-based superhydrophobic surface with a micro-nano structure.
[0018] Al produced by the reaction of aluminum with water at high temperature 2 o 3 Or AlOOH, when the reaction time is 40min, 2-5μm flake structure begins to appear on the aluminum surface, and the contact angle to water r...
specific Embodiment approach 2
[0019] Specific embodiment two: a one-step method for preparing an aluminum-based superhydrophobic surface described in specific embodiment one, the mass fraction of the sodium chloride aqueous solution is 0.5%-3.5%.
specific Embodiment approach 3
[0020] Specific embodiment three: a one-step method for preparing an aluminum-based superhydrophobic surface described in specific embodiment two, the mass fraction of the perfluorotetradecanoic acid ethanol solution is 0.5%-3%.
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