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Super-hydrophobic material and preparation method thereof

A super-hydrophobic and nano-particle technology, which is applied in coatings and other directions, can solve the problems of poor anti-wear ability and super-hydrophobic surface resistance, and achieve the effects of prolonging the freezing time, broad market prospects, and strong UV resistance

Inactive Publication Date: 2017-05-31
THE SECOND RES INST OF CIVIL AVIATION ADMINISTRATION OF CHINA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Therefore, in order to overcome the defects of existing superhydrophobic materials, it is urgent to invent a new superhydrophobic material, which has stronger hydrophobicity, anti-ultraviolet, wear-resistant and other functions, so as to solve the problem of poor resistance of existing superhydrophobic surfaces. The problem of poor grinding ability

Method used

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  • Super-hydrophobic material and preparation method thereof
  • Super-hydrophobic material and preparation method thereof

Examples

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Effect test

Embodiment 1

[0047] The metal aluminum alloy is used as the base, and it is polished at least 5 times with 360-grit sandpaper, and then it is cleaned in an ultrasonic water bath. Thereafter, it was washed with isopropanol. After the above operations are completed, it is etched in 2.5 mol / L hydrofluoric acid for 3 minutes. During the process, the aluminum plate rotates evenly in the etching solution at a speed of 16r / min. Repeat the above operation 5 times. Thereafter, the metal aluminum alloy was vertically dipped into the hydrophobic coating containing nanoparticles at a speed of 0.1 mm / s. After the aluminum sheet is completely immersed, rotate the aluminum sheet at a speed of 10r / min, and the immersion time is not less than 7 minutes. Repeat the operation at least 5 times. The coating is formed by mixing organic resin, organic solvent and nano particles, the mass fraction of organic resin is 65%, the mass fraction of organic solvent is 19%, and the mass fraction of nano particles is ...

Embodiment 2

[0050] Super-hydrophobic surface I, metal aluminum alloy as the base, polished it at least 5 times with 360-grit sandpaper, and then cleaned it in an ultrasonic water bath. Thereafter, it was washed with toluene. After the above operation is completed, it is etched in 3 mol / L hydrochloric acid for 4 minutes, and the above operation is repeated 5 times. Thereafter, the metal aluminum alloy was dipped into the hydrophobic coating containing nanoparticles at a speed of 0.1 mm / s. After the aluminum sheet is completely immersed, rotate the aluminum sheet at a speed of 10r / min, and the immersion time is not less than 5 minutes. Repeat the above operation 5 times. The coating is formed by mixing organic resin, organic solvent and nano particles, the mass fraction of organic resin is 78%, the mass fraction of organic solvent is 12%, and the mass fraction of nano particles is 10%. Among them, the organic resin is a mixture of perfluoromethyl vinyl ether (CAS No. 1187-93-5) and perfl...

Embodiment 3

[0057] Super-hydrophobic surface I, metal aluminum alloy as the base, polished it at least 5 times with 360-grit sandpaper, and then cleaned it in an ultrasonic water bath. Thereafter, it was washed with isopropanol. After the above operation is completed, it is etched in 3 mol / L hydrochloric acid for 4 minutes, and the above operation is repeated 5 times. Thereafter, the metal aluminum alloy was vertically dipped into the hydrophobic coating containing nanoparticles at a speed of 0.1 mm / s. After the aluminum sheet is completely immersed, rotate the aluminum sheet at a speed of 10r / min, and the immersion time is not less than 5 minutes. Repeat the above operation at least 5 times. The coating is formed by mixing organic resin, organic solvent and nano particles, the mass fraction of organic resin is 78%, the mass fraction of organic solvent is 14%, and the mass fraction of nano particles is 8%. Among them, the organic resin is a mixture of perfluoroethyl vinyl ether (CAS No...

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Abstract

The invention discloses a super-hydrophobic material which comprises a substrate and a coating layer, wherein the coating layer comprises the following ingredients in parts by weight: 65-78 parts of resin and 8-16 parts of nano-particles. The invention also provides a preparation method of the super-hydrophobic material. The super-hydrophobic material prepared by the preparation method provided by the invention has the advantages that the ultraviolet resistance is strong, the material is wear-resisting, the freezing time on the surface can be effectively prolonged, etc.; meanwhile, the service life of the super-hydrophobic material is prolonged, and the super-hydrophobic material has wide market prospect.

Description

technical field [0001] The invention relates to a superhydrophobic material and a preparation method thereof. Background technique [0002] The icing on the surface of the aircraft has great harm to the flight safety of the aircraft. Mechanical deicing, electric deicing, gas thermal deicing and chemical deicing fluid deicing are commonly used technologies for deicing aircraft surfaces. Although these technologies have solved the problem of icing on the surface of the aircraft to a certain extent, they all use deicing and melting as the idea. After the ice is formed on the surface of the aircraft, it is removed from the surface of the aircraft. Freezing, and there are problems such as high energy consumption and large environmental pollution. [0003] The supercooled water hits the surface of the aircraft and cannot be separated from the surface of the aircraft for a long time is the key to causing the surface of the aircraft to freeze. To fundamentally solve the problem o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D129/10C09D183/08C09D7/12C23G5/032C23F1/20
CPCC08K2201/011C09D7/67C09D7/68C09D129/10C23F1/20C23G5/032C08L83/08C08K3/36C08K2003/2241C08K2003/2296C08K3/04C08K2003/3009
Inventor 陈凯王强夏祖西
Owner THE SECOND RES INST OF CIVIL AVIATION ADMINISTRATION OF CHINA
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