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Method for preparing super-hydrophobic coating based on electrodeposition method, and application of super-hydrophobic coating

A super-hydrophobic coating and electrodeposition technology, applied in coatings, electrolytic coatings, building components, etc., can solve problems such as increasing the difficulty of grid corrosion protection work, and achieve good grid anti-corrosion effect, increased corrosion potential, and wide The effect of the application foreground

Inactive Publication Date: 2019-02-19
SHANDONG INST OF BUSINESS & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] The types of grid corrosion are not only diverse, but because their environment is often accompanied by high-voltage electromagnetic environment characteristics, some corrosion behaviors have obvious grid characteristics, such as DC electrolytic corrosion faced by the ground electrode of high-voltage DC transmission projects in the grid, and some equipment is exposed to strong electromagnetic fields and natural environments. Corrosion problems under the coupling of multiple factors, such as corrosion, further increase the difficulty of grid corrosion protection

Method used

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  • Method for preparing super-hydrophobic coating based on electrodeposition method, and application of super-hydrophobic coating
  • Method for preparing super-hydrophobic coating based on electrodeposition method, and application of super-hydrophobic coating
  • Method for preparing super-hydrophobic coating based on electrodeposition method, and application of super-hydrophobic coating

Examples

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Embodiment 1

[0018] A method for preparing a superhydrophobic coating based on an electrodeposition method, comprising the following steps: 1. Electrode pretreatment: the steel electrode is polished on a polishing paper, and then the polished steel electrode is cleaned with laboratory-made deionized water Clean, then polish with aluminum powder to further remove a large amount of oil, and then rinse again with deionized water made in the laboratory. After rinsing, put it in a beaker filled with ethanol and put it in an ultrasonic cleaner Ultrasound for 15 minutes, then cleaned with a large amount of deionized water, dried, sealed with a parafilm, and set aside; 2. Preparation of electrolyte: First, weigh 30 mg of graphene and dissolve it with 30 ml of deionized water. Seal the sealing film, put it into an ultrasonic cleaner and perform ultrasonication for 1 hour, until the graphene is in a pulverized state, and make a graphene aqueous dispersion for use; 3. Electrodeposition of graphene: ad...

Embodiment 2

[0026] A method for preparing a superhydrophobic coating based on an electrodeposition method, comprising the following steps: 1. Electrode pretreatment: the steel electrode is polished on a polishing paper, and then the polished steel electrode is cleaned with laboratory-made deionized water Clean, then polish with aluminum powder to further remove a large amount of oil, and then rinse again with deionized water made in the laboratory. After rinsing, put it in a beaker filled with ethanol and put it in an ultrasonic cleaner Ultrasound for 15 minutes, then cleaned with a large amount of deionized water, dried, sealed with a parafilm, and set aside; 2. Preparation of electrolyte: First, weigh 30 mg of graphene and dissolve it with 30 ml of deionized water. Seal the sealing film, put it into an ultrasonic cleaner and perform ultrasonication for 1 hour, until the graphene is in a pulverized state, and make a graphene aqueous dispersion for use; 3. Electrodeposition of graphene: ad...

Embodiment 3

[0031] A method for preparing a superhydrophobic coating based on an electrodeposition method, comprising the following steps: 1. Electrode pretreatment: the steel electrode is polished on a polishing paper, and then the polished steel electrode is cleaned with laboratory-made deionized water Clean, then polish with aluminum powder to further remove a large amount of oil, and then rinse again with deionized water made in the laboratory. After rinsing, put it in a beaker filled with ethanol and put it in an ultrasonic cleaner Ultrasound for 15 minutes, then cleaned with a large amount of deionized water, dried, sealed with a parafilm, and set aside; 2. Preparation of electrolyte: First, weigh 30 mg of graphene and dissolve it with 30 ml of deionized water. Seal the sealing film, put it into an ultrasonic cleaner and perform ultrasonication for 1 hour, until the graphene is in a pulverized state, and make a graphene aqueous dispersion for use; 3. Electrodeposition of graphene: ad...

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Abstract

The invention relates to a method for preparing a super-hydrophobic coating, in particular to a method for preparing a super-hydrophobic coating based on an electrodeposition method, and the application of the super-hydrophobic coating to the corrosion prevention of a power grid, and belongs to the technical field of super-hydrophobic coatings. The method for preparing the super-hydrophobic coating based on the electrodeposition method comprises the following step I of electrode pretreatment: grinding a steel electrode on abrasive paper, and then cleaning the steel electrode ground properly with deionized water made by a laboratory; then, performing polishing treatment with aluminium powder for further removing large oil stains; and next, rewashing the steel electrode with the deionized water made by the laboratory. The method has the beneficial effects that the super-hydrophobic coating is prepared with the electrodeposition method, and applied to the corrosion prevention of the powergrid; the corrosion potential is increased and the corrosion current is reduced when the super-hydrophobic coating is used; it is proved that the corrosion resistance of the electrode with the coating is better than the corrosion resistance of the electrode without the coating, and the good corrosion resistance effect of the power grid is achieved.

Description

technical field [0001] The invention relates to a method for preparing a superhydrophobic coating, in particular to a method for preparing a superhydrophobic coating based on an electrodeposition method and its application, and belongs to the technical field of superhydrophobic coating anticorrosion. Background technique [0002] The types of grid corrosion are not only diverse, but because their environment is often accompanied by high-voltage electromagnetic environment characteristics, some corrosion behaviors have obvious grid characteristics, such as the DC electrolytic corrosion faced by the ground electrode of the high-voltage direct current transmission project of the grid, and some equipment is exposed to strong electromagnetic fields and natural environments. Corrosion problems under the coupling effect of multiple factors, such as corrosion, further increase the difficulty of grid corrosion protection. [0003] In terms of the development and application of new an...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C25D15/00E04H12/08E04B1/64
CPCC25D15/00E04B1/642E04H12/08
Inventor 高文崔向红林伟杰高斌
Owner SHANDONG INST OF BUSINESS & TECH
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