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Coated glass as well as preparation method and application thereof

A glass and film coating technology, applied in the direction of coating, etc., can solve the problems that water droplets cannot achieve self-cleaning, the glass surface is easy to pollute, and reduce the visibility of imaging, so as to achieve good anti-fog effect and anti-reflection Effect

Active Publication Date: 2021-02-26
ZHEJIANG CRYSTAL OPTECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

On the one hand, the lens effect of fogging droplets reduces the visibility of imaging; on the other hand, due to the outdoor use environment, the glass surface is easy to be polluted, and the "rolling" water droplets cannot achieve the effect of self-cleaning

Method used

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  • Coated glass as well as preparation method and application thereof
  • Coated glass as well as preparation method and application thereof
  • Coated glass as well as preparation method and application thereof

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preparation example Construction

[0070] According to one aspect of the present invention, a method for preparing the above-mentioned coated glass, the preparation method includes the following steps:

[0071] (a), providing a glass substrate, then immersing the glass substrate in an ionic polymer solution, followed by cleaning and drying in sequence to obtain intermediate A;

[0072] (b), immerse intermediate A in SiO 2 Soaked in the sol, followed by cleaning and drying in turn, to obtain nanoporous SiO-coated 2 thin film glass;

[0073] (c), covered with nanoporous SiO obtained in step (b) 2 The glass of the thin film is the substrate, and the step (a) and the step (b) are repeated several times to obtain a layer of nanoporous SiO covered with several layers. 2 The thin film of glass is subsequently calcined to obtain coated glass.

[0074] The preparation method of the coated glass provided by the invention, the preparation method is to immerse the glass substrate in the ionic polymer solution and SiO ...

Embodiment 1

[0095] Embodiment 1 prepares SiO 2 sol

[0096] Provide a sodium silicate solution with a concentration of 39.10 mg / mL, and then adjust the pH of the sodium silicate solution to 4 by adding dilute sulfuric acid (1M) dropwise to obtain a sodium silicate mixed solution. Then add PDDA (2.0mg / mL) dropwise to the sodium silicate mixed solution to form SiO 2 Sol;

[0097] Wherein the volume ratio of PDDA and sodium silicate solution is 60:15.

Embodiment 2

[0099] This embodiment is the same as embodiment 1 except that the concentration of the sodium silicate solution is 19.55 mg / mL.

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Abstract

The invention provides coated glass as well as a preparation method and application thereof, and relates to the technical field of functional glass. The coated glass is mainly prepared by coating a glass substrate with a plurality of layers of nano porous SiO2 films; wherein the nano porous SiO2 film on the surface of the coated glass is mainly prepared from SiO2 sol and an ionic polymer solution.Therefore, the coated glass has a porous rough surface structure, so that the glass has a very good anti-fog effect, and meanwhile, the porous structure SiO2 on the surface can also reduce the optical reflectivity of the glass.

Description

technical field [0001] The invention relates to the technical field of functional glass, in particular to a coated glass and its preparation method and application. Background technique [0002] At present, the film-forming products on the glass surface are constantly enriched, and more and more people pay more and more attention. Among them, hydrophilic glass is particularly important in fields such as construction and automobiles. On the one hand, the lens effect of fogging droplets reduces the visibility of imaging; on the other hand, due to the outdoor use environment, the glass surface is easy to be polluted, and the "rolling" water droplets cannot achieve the self-cleaning effect. [0003] So far, methods of preventing fogging fall into two categories. One is to change the surrounding environmental factors, and the main technology is to speed up the air velocity around the object or reduce the humidity. This method starts with the external environment and mainly rel...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C03C17/25
CPCC03C17/25C03C2217/213C03C2218/111C03C2218/31C03C2218/32
Inventor 何冰晓林炜杰贾琪吴信昌刘风雷唐健
Owner ZHEJIANG CRYSTAL OPTECH
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