Energy-saving coated glass and preparation method thereof

A technology of coated glass and glass, which is applied in the direction of coating, etc., can solve the problems of affecting service life, low heat and sound insulation performance, poor impact resistance, etc., and achieve the effect of increasing functional durability, improving energy saving performance, and improving transmittance

Active Publication Date: 2016-11-09
ZHEJIANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Solar control glass and low-emissivity glass are widely used. The existing solar control glass and low-emissivity glass are generally single-layer flat glass, which has the following disadvantages: poor impact resistance, easy to be polluted and scratched during handling and installation, transparent Strong light, high reflectivity, high light pollution, low heat and sound insulation performance, easy to fall off the coating layer and affect the service life, etc.
[0005] The above design can improve the transmittance of v

Method used

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  • Energy-saving coated glass and preparation method thereof
  • Energy-saving coated glass and preparation method thereof
  • Energy-saving coated glass and preparation method thereof

Examples

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Effect test

Embodiment 1

[0061] (1) Hydrophilic treatment of glass substrates:

[0062] The first step is to configure dilute hydrochloric acid: hydrogen peroxide: deionized water as an acidic solution with a volume ratio of 1:2:5, soak the glass substrate in it and heat for 20 minutes, take it out and wash it with deionized water. The second part is to configure an alkaline solution with a volume ratio of ammonia water: hydrogen peroxide: deionized water of 1:2:5, and then add the glass substrate to it and heat it to boil for 20 minutes. After taking it out, rinse it repeatedly with deionized water and dry it with hot air.

[0063] (2) Coating a vanadium dioxide precursor layer on a glass substrate by a sol-gel method:

[0064] Weigh 0.4972 g of vanadyl acetylacetonate with a balance, dissolve it in 15 ml of anhydrous methanol, and prepare a 0.125 mol / L vanadium solution, add hydrochloric acid dropwise, and adjust the pH of the vanadium solution to 3.5. Magnetically stir well at room temperature. F...

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Abstract

The invention discloses energy-saving coated glass. Glass is used as a base plate, a vanadium dioxide thermochromic layer and a silicon dioxide aerogel layer sequentially deposit on the glass. Different heat propagation modes of heat conduction and radiant heat blocking are integrated, and the energy-saving coated glass has heat -insulating and thermochromic functions. Oxidization of the vanadium dioxide layer is retarded by introducing the silicon dioxide aerogel layer, and meanwhile a permeability improvement effect can be played. The invention further discloses a preparation method of the energy-saving coated glass. Firstly, the glass base plate is subjected to hydrophilic treatment; the surface of the glass base plate subjected to hydrophilic treatment is coated with a vanadium dioxide precursor layer by adopting a sol-gel method; the surface of the vanadium dioxide precursor layer is coated with a silicon dioxide aerogel precursor layer by adopting a sol-gel method; finally, the energy-saving coated glass is obtained through heat treatment, the heat treatment temperature is 550-580 DEG C, and the time is 1-10 hours.

Description

technical field [0001] The invention relates to the field of glass preparation, in particular to an energy-saving coated glass and a preparation method thereof. Background technique [0002] Building energy consumption accounts for a large proportion of the total energy consumption of society, and the energy lost through doors and windows is the most important part of it. Therefore, energy saving of glass is a hot spot of current research. Due to the optical transparency and high thermal conductivity of architectural glass, the amount of indoor infrared heat radiation energy is determined by it. Therefore, the thermal insulation performance of glass has become an important indicator to measure whether architectural glass is energy-saving. In the cold winter, glass can reduce the loss of mid- and far-infrared heat radiation in the house while getting more direct heat radiation from the sun, so that the room can maintain a more suitable temperature; The far-infrared heat radi...

Claims

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Application Information

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IPC IPC(8): C03C17/34
CPCC03C17/3417C03C2218/32
Inventor 赵高凌李金卢王威沈鸽韩高荣
Owner ZHEJIANG UNIV
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