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Low-radiation coated glass

A low-e coating and glass technology, which is applied to windshields, glass/slag layered products, windows, etc., can solve the problems of low-e glass performance degradation and poor Ag film quality, so as to reduce surface roughness and low Effect of emissivity, good mechanical durability and chemical resistance

Active Publication Date: 2012-02-15
FUYAO GLASS IND GROUP CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If the Ag film is deposited on top of other dielectric film materials, the quality of the obtained Ag film will be poor, which will lead to a decrease in the performance of low-e glass

Method used

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  • Low-radiation coated glass
  • Low-radiation coated glass
  • Low-radiation coated glass

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1-3

[0041] Table 1 Example 1-3 film structure and film thickness

[0042]

Embodiment 1

[0045] Embodiment 1 The performance test is as follows:

[0046] Optical performance test

[0047] Before heat treatment, the emissivity of a single piece of low-emissivity coated glass is 0.044, and the transmittance of visible light is 80.1%. After bending and heating, the emissivity of a single piece of low-emissivity coated glass is 0.028, and the transmittance of visible light is 83.2%. Then The low-emissivity coated laminated glass obtained after washing, assembling and other processes has been tested to have a visible light transmittance of 75.8% and a direct solar transmittance of 43%.

[0048] physical properties

[0049] According to GB9656-2003, impact test, radiation resistance test, damp heat cycle test, etc. can meet the requirements. After testing, the knock test grade is 4, which shows that the adhesion of the film layer to glass and PVB is very good.

Embodiment 2

[0050] Embodiment 2 The performance test is as follows:

[0051] Optical performance test

[0052] Before heat treatment, the emissivity of a single piece of low-emissivity coated glass is 0.049, and the transmittance of visible light is 79.8%. After bending and heating, the emissivity of a single piece of low-emissivity coated glass is 0.031, and the transmittance of visible light is 83%. The low-emissivity coated laminated glass obtained after washing and laminating processes has been tested to have a visible light transmittance of 75.5% and a direct solar transmittance of 43.2%.

[0053] physical properties

[0054] According to GB9656-2003, impact test, radiation resistance test, damp heat cycle test, etc. can meet the requirements. After testing, the knock test grade is 4, which shows that the adhesion of the film layer to glass and PVB is very good.

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Abstract

The invention relates to low-radiation coated glass, which relates to the further-processing field of the glass, and comprises a glass substrate, a dielectric medium layer, a sacrifice layer, a protective layer and a silver (Ag) film layer, and is characterized in that: the Ag film layer is deposited on a metal oxide (MOx):Antimony (Sb) film layer, in the MOx:Sb layer, M is one or the combinationof Zn, Ti, Sn and Zr, and when M is Zn, x is valued as: X is more than zero and is less than or equal to 1; when M is one of Zn, Ti, Sn and Zr, x is valued as: x is more than zero and is less than orequal to 2; and when M is a combination of Zn, Ti, Sn and Zr, x is valued as: x is more than zero and is less than or equal to 3. The low-radiation coated glass has the advantages that: the Ag film layer is directly deposited on the MOx:Sb film layer, so the Ag film layer trends towards the growth in a two-dimensional shape, and Sb has an effect which is similar to a surface active agent. The surface active agent is an element which can be grown on the film layer by layer on the aspect of dynamics, and the surface roughness of the film can be reduced by utilizing the surface active agent, so the growth of the film layer can be more uniform.

Description

【Technical field】 [0001] The invention relates to the field of glass deep processing, in particular to a low-radiation coated glass capable of heat treatment. 【Background technique】 [0002] Low-emissivity glass (Low-E glass) is the abbreviation of low-emission coated glass. Generally, silver layer is used as the film layer to reflect infrared rays. Because of its good function of blocking the penetration of heat radiation, it is called green, energy-saving and environmentally friendly glass. , has been widely used in the field of construction in recent years. [0003] When applied to the field of automotive glass, coated glass needs to undergo high-temperature processes such as tempering or baking to maintain the performance of the film layer to meet industry standards. The front windshield glass of the automobile is laminated glass, and the baking and bending process is a key process in the laminated glass manufacturing process. The baking and bending process of the autom...

Claims

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Application Information

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IPC IPC(8): B32B17/06B32B15/04C03C17/36C03C27/06B60J1/00
Inventor 尚贵才李艺明
Owner FUYAO GLASS IND GROUP CO LTD
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