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Temperable glass product coated with low-radiation coating

A low-radiation coating and glass product technology, applied in glass/slag layered products, layered products, metal layered products, etc., can solve the problems of complex layer structure, single performance, high cost, and achieve simple process and diverse performance. The effect of enhancing chemical and antioxidant properties

Active Publication Date: 2015-04-08
东莞南玻工程玻璃有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This is a breakthrough for tempering after coating, but the layer structure of this technology is complex, the cost is high, and its performance is single, only for the performance of high temperature treatment

Method used

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  • Temperable glass product coated with low-radiation coating
  • Temperable glass product coated with low-radiation coating
  • Temperable glass product coated with low-radiation coating

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] See figure 1 , a glass product that can be tempered and coated with low-emissivity coating, including glass substrate 0 layer and coating layer, the coating layer has five layers, starting from the substrate, followed by Si with a thickness of 5nm 3 N 4 Layer 1, NiCr layer 2 with a thickness of 1 nm, Ag layer 3 with a thickness of 5 nm, NiCr layer 4 with a thickness of 5 nm, and Si with a thickness of 10 nm 3 N 4 Layer 5.

[0022] The structure of glass products is: Glass / Si 3 N 4 / NiCr / Ag / NiCr / Si 3 N 4 .

[0023] After testing, the visible light transmittance is 58%, the reflection is 14%, the shading coefficient is 0.56, and the heat transfer coefficient is 3.4W / M2*K.

Embodiment 2

[0025] See figure 2 , a glass product that can be tempered and coated with a low-emissivity coating, including a glass substrate layer 0 and a coating layer, the coating layer has seven layers, starting from the substrate, followed by Si with a thickness of 10nm 3 N 4 Layer 1, NiCr layer 2nm thick, Si 5nm thick 3 N 4 Layer 3, NiCr layer 4 with a thickness of 10 nm, Ag layer 5 with a thickness of 20 nm, NiCr layer 6 with a thickness of 8 nm, and Si with a thickness of 5 nm 3 N 4 Layer 7.

[0026] The structure of glass products is: Glass / Si 3 N 4 / NiCr / Si 3 N 4 / NiCr / Ag / NiCr / Si 3 N 4 .

[0027] After testing, the visible light transmittance is 62%, the reflection is 10%, the shading coefficient is 0.56, and the heat transfer coefficient is 3.4W / M2*K.

Embodiment 3

[0029] See image 3 , a glass product that can be tempered and coated with a low-emissivity coating, including a glass substrate layer 0 and a coating layer, the coating layer has eight layers, starting from the substrate, followed by Si with a thickness of 15nm 3 N 4 Layer 1, NiCr layer 2 with a thickness of 2 nm, ZnO layer 3 with a thickness of 5 nm, NiCr layer 4 with a thickness of 2 nm, Ag layer 5 with a thickness of 20 nm, NiCr layer 6 with a thickness of 4 nm, Si with a thickness of 30 nm 3 N 4 Layer 7, TiO with a thickness of 2nm 2 Layer 8.

[0030] The structure of glass products is: Glass / Si 3 N 4 / NiCr / ZnO / NiCr / Ag / NiCr / Si 3 N 4 / TiO 2 .

[0031] After testing, the visible light transmittance is 61%, the reflection is 10%, the shading coefficient is 0.57, and the heat transfer coefficient is 3.4W / M2*K.

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Abstract

The invention relates to the technical field of coated glass, and particularly relates to a temperable glass product coated with a low-emissivty coating. The glass product comprises a glass substrate layer and a coating layer, wherein the coating layer comprises a Si3N4 layer, a NiCr layer, an Ag layer and a TiO2 layer. The glass product has relatively high transmittance on a visible wavelength; good natural lighting can be ensured; and transmission of solar radiation, especially transmission of near infrared radiation, can be effectively limited, and thus the condition that the coating has good wear-resisting and scratch resistant characteristics, and excellent acid and alkali resistant and corrosion resistant characteristics are ensured; and relatively low light reflectivity, relatively small light pollution, enhanced oxidation resistance and relatively long antioxidant time under the same visible light transmittance rate and radiation are ensured.

Description

technical field [0001] The invention relates to the technical field of glass, in particular to a temperable glass product coated with a low-radiation coating. Background technique [0002] A variety of coated glass products have appeared on the market, but the coating materials used in these coated glass products cannot withstand high temperatures. For glass that needs to be tempered, the coating process must be carried out after tempering. For some glass with special shape requirements, it is shaped into a curved surface after tempering, and it is difficult to ensure a uniform film layer when coating curved glass. In addition, because the tempering process of the glass must be carried out after being cut to the required size, when the tempered glass is coated, the glass on the work table is also placed according to the cut size. In this way, those irregularly shaped glasses make the loading rate of the work surface low and the coating efficiency is also very low. [0003]...

Claims

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Application Information

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IPC IPC(8): B32B9/04B32B17/00
CPCB32B9/00B32B15/04B32B17/06B32B33/00B32B2307/40B32B2307/752
Inventor 余华骏黄颖崔平生
Owner 东莞南玻工程玻璃有限公司
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