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Low-emissivity coated glass and laminated skylight glass thereof

A low-radiation coating and low-radiation technology, applied in the direction of glass/slag layered products, layered products, chemical instruments and methods, etc., can solve the problems of reducing product yield and affecting product appearance quality, so as to reduce spot Effect of appearance defects, superior thermal stability and passivation effect

Active Publication Date: 2013-11-20
FUJIAN WANDA AUTOMOBILE GLASS IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, sandwich skylight products usually use gray PVB as the middle polymer layer. Under the background of gray PVB, these point defects become more obvious, which greatly affects the appearance quality of the product and reduces the production yield of the product.

Method used

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  • Low-emissivity coated glass and laminated skylight glass thereof
  • Low-emissivity coated glass and laminated skylight glass thereof
  • Low-emissivity coated glass and laminated skylight glass thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0046] Embodiment 1 and embodiment 2 adopt TiO 2 / Si 3 N 4 / SiO 2 The film layer is used as a protective layer. Due to its superior thermal stability and passivation effect, a relatively thin film thickness can effectively protect the low-emissivity coating, thereby reducing the point-like appearance defects on the surface of the film layer, and at the same time Keep the product's appearance neutral.

[0047] In Example 1 and Example 2, Si 3 N 4 / SiO 2 When the double-layer film is heat-treated at high temperature, its passivation effect, thermal stability and ability to resist the migration of alkali metal ions are better than that of a single Si film. 3 N 4 film or SiO 2 film layer, use Si under the same conditions 3 N 4 / SiO 2 The double-layer film can more effectively protect the surface of the film layer and prevent the film layer from being damaged under high temperature conditions. Although Si 3 N 4 The film layer has high mechanical strength, but due to S...

Embodiment 3

[0049] Embodiment 3 adopts such as figure 2 The film structure of the single-silver low-emissivity coated glass shown is as follows from the glass substrate 1 upwards: lower dielectric layer 301 / first lower barrier layer 302 / first infrared reflection layer 303 / first upper barrier layer 304 / upper dielectric Layer 313 / protective layer 5.

[0050] Such as Figure 4 As shown, the first glass substrate 11 is made of transparent float glass with a thickness of 2.0 mm. After cutting, edging, washing, drying, screen printing, and sintering, it is washed and dried again by a coating washing machine, and then the Chinese patent 200920077797 is adopted. .X’s shielding technology shields the first ink edge 41 set on the surface of the first glass substrate 11, and finally the first glass substrate 11 and the shielding plate enter the vacuum magnetron sputtering coating chamber at the same time and are coated sequentially:

[0051][ZnSnOx(20nm) / AZO(10nm)] / TiOx(2nm) / Ag(10nm) / TiOx(3nm) / [A...

Embodiment 4

[0057] Embodiment 4 adopts such as image 3 The three-silver low-emissivity coated glass shown has a film system structure from the glass substrate 1 upwards: lower dielectric layer 301 / first lower barrier layer 302 / first infrared reflection layer 303 / first upper barrier layer 304 / first Dielectric layer 305 / second lower barrier layer 306 / second infrared reflective layer 307 / second upper barrier layer 308 / second dielectric layer 309 / third lower barrier layer 310 / third infrared reflective layer 311 / third upper barrier layer 312 / upper dielectric layer 313 / protective layer 5.

[0058] Such as Figure 4 As shown, the first glass substrate 11 is made of transparent float glass with a thickness of 2.0 mm. After cutting, edging, washing, drying, screen printing, and sintering, it is washed and dried again by a coating washing machine, and then the Chinese patent 200920077797 is adopted. .X’s shielding technology shields the first ink edge 41 set on the surface of the first glass sub...

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Abstract

The invention relates to the glass coating field, in particular to a low-emissivity coated glass, which includes a glass substrate and a low-emissivity coating. The low-emissivity coating comprises at least two medium layers and at least one infrared reflecting layer that are alternately superimposed upward on the surface of the glass substrate. The low-emissivity coated glass is characterized in that: the top of the low-emissivity coating is provided with a protective layer, which sequentially includes, in an upward direction from the glass substrate, a first protection sublayer TiO2, a second protection sublayer Si3N4 and a third protection sublayer SiO2. The invention also provides a laminated skylight glass applying the low-emissivity coating. The composite protective layer arranged at the top of the low-emissivity coating has excellent thermal stability and passivation effect, by selecting a relative thin protective layer, the low-emissivity coating can be effectively protected, thus reducing point-like appearance defects on the coating surface. At the same time, the neutral color of the product appearance can also be maintained.

Description

Technical field: [0001] The invention relates to the field of glass coating, in particular to low-emissivity coated glass and its laminated glass, especially the low-emissivity coated laminated skylight glass installed on vehicles. Background technique: [0002] Low-emissivity coated glass, also known as low-e glass, has the advantages of high visible light transmittance and high infrared reflectivity, which can significantly reduce the energy consumption of the car's air conditioner and improve the comfort of the driver and passengers. Therefore, as a There is a huge market demand for green and environmentally friendly products in construction and transportation, especially low-e glass with a neutral color is favored by everyone. Neutral colors are between red, yellow and blue. The tones are soft, calm, decent, and generous. The colors are not so bright and dazzling, which can avoid eye fatigue and give people a relaxed feeling. Therefore, neutral colors Coated glass is mo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C03C27/12B32B17/06C03C17/36
Inventor 尚贵才张金树鲁岳闽
Owner FUJIAN WANDA AUTOMOBILE GLASS IND