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Self-cleaning glass with strong adhesive force, and preparation method thereof

A technology of strong adhesion and adhesion silane, applied in chemical instruments and methods, glass/slag layered products, lamination devices, etc., can solve the problem of affecting the sterilization and anti-fog effect of clean glass, loss of self-cleaning effect, and energy utilization Limitations and other issues, to achieve the effect of improving visible light transmittance, photocatalytic efficiency, and catalytic performance

Active Publication Date: 2021-02-19
佛山市金耀华玻璃新材有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the sunlight that reaches the earth, the ultraviolet light band accounts for less than 10% of the energy in sunlight, and the energy utilization is greatly limited, which affects the application of titanium dioxide coated glass
Another reason is that the quantum yield of pure titanium dioxide is low, and the photogenerated electron-hole pairs generated are prone to recombination, resulting in a decrease in photocatalytic activity and affecting the sterilization and anti-fog effects of self-cleaning glass.
[0004] At present, the Chinese utility model patent with the authorized announcement number CN204874295U among the existing patents discloses an anti-fouling self-cleaning glass. This anti-fouling self-cleaning glass uses a titanium dioxide layer as the anti-fouling self-cleaning layer. Titanium dioxide must pass through Photocatalysis can achieve super hydrophilicity, but the adhesion is poor, and the self-cleaning effect will be lost after 6-12 months

Method used

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  • Self-cleaning glass with strong adhesive force, and preparation method thereof
  • Self-cleaning glass with strong adhesive force, and preparation method thereof
  • Self-cleaning glass with strong adhesive force, and preparation method thereof

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preparation example Construction

[0030]Seefigure 1The present invention provides a technical solution: a self-cleaning glass with strong adhesion and a preparation method thereof, including in order to solve the above technical problems, the present invention provides the following technical solution: a self-cleaning glass with strong adhesion and a preparation method thereof, including The glass base layer 1 is characterized in that: the glass base layer 1 is attached with a strong adhesion bonding layer 2, at least one side of the bonding layer 2 is provided with a self-cleaning nanomaterial layer 3, and the glass base layer 1 has a thickness of 3-12mm The thickness of conventional architectural glass can be used as a glass substrate, the thickness of the bonding layer 2 is 4-8 μm, and the thickness of the self-cleaning nano-layer 3 is 3-6 μm.

[0031]According to the above technical solution, the following steps: Wash the glass matrix 1 as a substrate, because the cache of the substrate has a great influence on the...

Embodiment 1

[0044]Wash the glass matrix, the cleaning step is to clean the glass sheet in the order of deionized water, acetone, anhydrous ethanol and deionized water, and then cleaned 10-15 min, then put the cleaning slide after cleaning In the drying box, dried at 100 ° C to be used.

[0045]Silicon group R '(CH2NSI (OR)3The aqueous solution was added to the chromium hydroxide control GROH molar ratio of 4: 1. Alkyl hydrolysis release SiOH groups with hydroxide for shrinking: SiOH + GROH = SiOGR + H2O, stir for 2 h. The washed glass matrix was immersed in a silane chromium hydrolyzate, and the speed of 50 to 150 mm / s was uniform, dried under 60-75 ° C, and the drying time was 90-120 min, and the film was obtained. A bonding layer having a thickness of 6-8 μm.

[0046]First, 26 ml of anhydrous ethanol was taken, 10 ml of tetral titanate and 1.58 ml of ice acetic acid were first added thereto, sealed, magnetic force for 1 h, and the stirring temperature was 25 ° C, and the resulting mixture was car...

Embodiment 2

[0049]Wash the glass matrix, the cleaning step is to clean the glass sheet in the order of deionized water, acetone, anhydrous ethanol and deionized water, and then cleaned 10-15 min, then put the cleaning slide after cleaning In the drying box, dried at 100 ° C to be used.

[0050]Silicon group R '(CH2NSI (OR)3The aqueous solution was added to the magnesium hydroxide to control the GROH molar ratio of 2: 1. The SiOH group released by the alkyl hydrolysis is shrinking with magnesium hydroxide: SiOH + MgOH = Siomg + H2O, stir for 2 h. The water washed and dried, immersed in the silane magnesium hydrolyzate, and eliminated at 50 to 150 mm / s speed, dried under 50-75 ° C, drying time of 60-90 min, obtained film A bonding layer having a thickness of 5-8 μm.

[0051]First, 26 ml of anhydrous ethanol was taken, 10 ml of tetral titanate and 1.58 ml of ice acetic acid were first added thereto, sealed, magnetic force for 1 h, and the stirring temperature was 25 ° C, and the resulting mixture was ...

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Abstract

The invention discloses strong-adhesion self-cleaning glass and a preparation method thereof. The strong-adhesion self-cleaning glass comprises a glass base layer, wherein a strong-adhesion bonding layer is attached to the glass base layer, a self-cleaning nano material layer is arranged on at least one side of the bonding layer, the thickness of the glass base layer is 3-12 mm, metal is any one of chromium, magnesium, tin, aluminum and manganese, the bonding layer adopts a silanized metal layer, the metal silylated glass is immersed in titanium dioxide sol for dipping, and a dip-coating process is adopted to prepare the film, and comprises the following steps: immersing the obtained metal silanized glass sheet in the prepared titanium dioxide sol for 1 min. According to the invention, Si-O-Me covalent bonds are formed through silane metal ions to form a silanized metal layer, and SiOH groups and the surface of glass form a silane film with a Si-O-Si three-dimensional network structure, so that the adhesive force between the film and the glass is greatly improved, the silane metal layer and the titanium dioxide nano layer are partially compounded, and the photocatalysis rate and the hydrophilic performance of the self-cleaning glass are enhanced.

Description

Technical field[0001]The invention relates to the technical field of glass, in particular to a self-cleaning glass with strong adhesion and a preparation method thereof.Background technique[0002]Since 1972, Japanese scholars Fujishima and Honda have published the TiO2The paper uses light to split water to generate hydrogen and oxygen on the electrode. Since then, researchers around the world have begun to study TiO2Photocatalytic technology. In 1997, Fujishman et al. reported in Nature magazine that under different light conditions, TiO2Have different hydrophilic properties. Under the irradiation of ultraviolet light, it shows super-hydrophilicity, and the infiltration angle can even reach 0°. In the absence of light, it appears to be hydrophobic. Since then, TiO2The application in the field of self-cleaning has received extensive attention.[0003]From a technical point of view, the solar energy utilization rate of titanium dioxide is low. Because titanium dioxide has a wide band gap...

Claims

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Application Information

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IPC IPC(8): B32B3/24B32B7/12B32B9/00B32B9/04B32B17/06B32B33/00B32B37/12B32B38/00B32B38/08
CPCB32B3/266B32B17/06B32B9/00B32B9/04B32B7/12B32B33/00B32B37/1284B32B38/08B32B38/164B32B2307/754B32B2307/412
Inventor 王卫东
Owner 佛山市金耀华玻璃新材有限公司
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