Environment-friendly high-transparency super-hydrophobic coating and preparation method and application thereof

A technology of super-hydrophobic coating and super-hydrophobic coating, applied in the direction of coating, can solve the problems of wear resistance and durability, super-hydrophobic surface opaque, complicated process, etc., achieves simple spraying process, is conducive to large-scale industrial production, cost low cost effect

Inactive Publication Date: 2018-11-30
SOUTHEAST UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Purpose of the invention: In order to solve the problems of opaque superhydrophobic surface, non-abrasive, durable, complex process, etc., t

Method used

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  • Environment-friendly high-transparency super-hydrophobic coating and preparation method and application thereof
  • Environment-friendly high-transparency super-hydrophobic coating and preparation method and application thereof
  • Environment-friendly high-transparency super-hydrophobic coating and preparation method and application thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0037] Add 1 part of hydrophobic carbon nanotubes to a mixed solution of 50 parts of butyl acetate and 5 parts of distilled water, stir at 500 rpm for 15 minutes, and ultrasonically for 10 minutes, then add 0.5 parts of FEVE resin and 0.1 part of hexamethylene under mechanical stirring at 100 rpm. base diisocyanate curing agent, stirring for 30min. The resulting coating was sprayed on the surface of a glass sheet with a commercially available watering can, and cured at room temperature for 60 minutes. The water contact angle was 160°, and the rolling angle was 3°. figure 1 Optical photographs of the water drop contact angles of the obtained coatings.

Embodiment 2

[0039] Add 0.1 part of hydrophobic nano-titanium dioxide to a mixed solution of 40 parts of ethanol and 10 parts of distilled water, stir at 1000 rpm for 30 minutes, and ultrasonically for 15 minutes, then add 1 part of methyl silicone resin and 0.1 part of vinyl trimethoxyl under low-speed mechanical stirring at 300 rpm base silane curing agent, stirring for 15min. The resulting coating was sprayed on the surface of a glass sheet with a commercially available watering can, and cured at room temperature for 60 minutes. The water contact angle was 153°, and the rolling angle was 8°. figure 2 It is a low-magnification scanning electron microscope picture of the superhydrophobic treatment agent coated on the polished silicon wafer in the embodiment.

Embodiment 3

[0041] Add 0.5 parts of hydrophobic silicon dioxide to a mixed solution of 50 parts of isopropanol and 10 parts of distilled water, stir at 1000 rpm for 30 minutes, and ultrasonically for 15 minutes, then add 0.1 parts of methyl silicone resin and 0.05 parts of γ- Aminopropyltriethoxysilane curing agent, stirring for 15min. The resulting coating was sprayed on the surface of the glass sheet with a commercially available spray can, and cured at room temperature for 60 minutes. It has a water contact angle of 162° and a rolling angle of 2°. image 3 It is a high-magnification scanning electron microscope picture of the superhydrophobic treatment agent coated on the polished silicon wafer in the embodiment.

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Abstract

The invention discloses an environment-friendly high-transparency super-hydrophobic coating and a preparation method and application thereof in the preparation of a transparent durable super-hydrophobic coating layer. The environment-friendly high-transparency super-hydrophobic coating is mainly prepared from the following materials: 30 to 50 parts of volatile organic solvent, 5 to 10 parts of water, 0.1 to 2 parts of hydrophobic micro-nano particles, 0.1 to 1 part of hydrophobic resin and 0.01 to 0.1 parts of curing agent. Compared with the prior art, the preparation method for the coating layer prepared by the invention has the advantages of simplicity, easiness in operation, low equipment requirement, environment-friendliness, no fluorine and low cost, and is favorable for mass industrial production, and the prepared coating layer is multipurpose, is not limited by the varieties and sizes of base materials, can be constructed on a large area, and has great commercial value in termsof self-cleaning, corrosion resistance, mouldproofness, fabric treatment and oil and water separation.

Description

technical field [0001] The invention relates to an environment-friendly high-transparency superhydrophobic coating and a preparation method and application thereof, belonging to the technical field of hydrophobic coatings. Background technique [0002] A surface with a contact angle greater than 150° and a rolling angle less than 10° is defined as a superhydrophobic surface. Based on its wide range of potential applications, researchers have conducted a lot of research on superhydrophobic surfaces. After years of hard work, the application of superhydrophobic surfaces in self-cleaning, anti-fouling, anti-icing, oil-water separation, etc. has been developed. However, the current preparation method of superhydrophobic surface is mainly to construct rough structure by biomimetic method, and then use fluorosilane to modify the surface with low surface energy. The ubiquitous problems are complex preparation process, high cost, complex construction process, low transparency, poor...

Claims

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Application Information

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IPC IPC(8): C09D127/12C09D183/04C09D7/61C09D7/63
CPCC08K2003/2241C08K2201/011C09D7/61C09D7/63C09D7/67C09D127/12C09D183/04C08K3/041C08K5/29C08K3/36C08K5/5425C08K3/22C08K5/544
Inventor 姜勇张川江鹏飞周旋
Owner SOUTHEAST UNIV
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