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Preparation method and application of corrosion-resistant and fog-resistant copper-based super-hydrophobic surface with nest-shaped structure

A super-hydrophobic surface, fog bird technology, applied in metal material coating process, coating, solid-state diffusion coating, etc., to achieve broad application prospects, strong super-hydrophobic performance, and anti-corrosion effects

Pending Publication Date: 2022-06-28
JIANGSU UNIVERSITY OF TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The object of the present invention is to aim at the defects existing in the prior art, and provide a kind of anti-corrosion and anti-fog bird's nest shape which is green, environmentally friendly, simple in process conditions, mild in reaction conditions, convenient in operation, low in cost, good in stability and suitable for industrial production. The preparation method of the structural copper-based superhydrophobic surface is used to solve the problems existing in the copper-based superhydrophobic surface in the prior art. The superhydrophobic surface prepared by the present invention has excellent macroscopic hydrophobic properties

Method used

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  • Preparation method and application of corrosion-resistant and fog-resistant copper-based super-hydrophobic surface with nest-shaped structure
  • Preparation method and application of corrosion-resistant and fog-resistant copper-based super-hydrophobic surface with nest-shaped structure
  • Preparation method and application of corrosion-resistant and fog-resistant copper-based super-hydrophobic surface with nest-shaped structure

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Embodiment 1

[0042] A method for preparing a corrosion-resistant and anti-fog bird's nest structure copper-based super-hydrophobic surface, comprising the following specific steps:

[0043] S1. Prepare very dilute ammonia solution: use deionized water as a single solvent to prepare 100 mL of 0.005 mol / L dilute ammonia solution;

[0044] S2. Copper pretreatment: The 28.46mm×26.63mm×0.24mm copper substrate is ultrasonically cleaned with acetone, absolute ethanol and deionized water for 8 minutes to remove dust and oil on the surface; then use 0.08mol / L hydrochloric acid The solution is corroded for 45 seconds to remove the oxide layer on the surface of the copper; then rinse with tap water and deionized water in sequence to remove the residual hydrochloric acid on the surface of the copper;

[0045] S3, rinsing treatment: the red copper after the above pretreatment is rinsed with absolute ethanol and air-dried to form a protective layer on the surface of the red copper to avoid re-oxidation;...

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Abstract

The invention discloses a preparation method and application of a corrosion-resistant and fog-resistant copper-based super-hydrophobic surface with a nest-shaped structure. The method comprises the following steps: S1, preparing an extremely dilute ammonia water solution by taking deionized water as a single solvent; s2, dirt and an oxide layer on the surface of the red copper are removed; s3, leaching the red copper by adopting an organic solvent and air-drying the red copper; s4, the red copper is soaked in an extremely dilute ammonia water solution and reacts at low temperature, and a nest-shaped rough structure formed by interweaving the nanobelts is constructed on the surface of the red copper; s5, putting the red copper into a vacuum dryer filled with fluorosilane, and carrying out vacuum gas phase fluorination; and the corrosion-resistant and fog-resistant copper-based super-hydrophobic surface with the nest-shaped structure is obtained. According to the application, the corrosion-resistant and fog-resistant copper-based super-hydrophobic surface of the nest-shaped structure is applied to aerospace, low-temperature storage, air conditioner heat pumps, refrigeration and low-temperature engineering materials. The preparation method has the advantages of being simple in process, mild in reaction condition, low in cost, high in stability, environmentally friendly and the like, and the prepared super-hydrophobic surface has excellent corrosion resistance and anti-fog effect.

Description

technical field [0001] The invention relates to the technical field of preparation of chemical and super-hydrophobic functional materials, in particular to a preparation method and application of a corrosion-resistant and anti-fog bird's nest structure copper-based super-hydrophobic surface. Background technique [0002] Copper and its alloys are widely used in the national economy due to their excellent thermal conductivity, mechanical properties and antifouling properties, as well as sufficient strength, elasticity and wear resistance. For example, in generator sets, most of the condensers, low-pressure heaters, heat exchange devices in oil coolers, and air-core wires of water-cooled generators use copper or copper alloys; in addition, in maritime military engineering, ship pipelines Some copper and copper alloys are also used more in the system. However, most of these copper-based materials / copper parts need to be exposed to a humid environment during use, especially in ...

Claims

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Application Information

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IPC IPC(8): C23C22/73C23C22/78C23C22/83C23C8/08
CPCC23C22/73C23C22/78C23C22/83C23C8/08
Inventor 夏咏梅樊国栋陈扬欧军飞李小平
Owner JIANGSU UNIVERSITY OF TECHNOLOGY
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