Bird-friendly glass

Abstract

The present application relates to the technical field of glass, in particular to a bird-friendly glass, comprising a glass substrate, a high-transparency protective film layer is arranged on the upper end face of the glass substrate, the high-transparency protective film layer comprises a bidirectional composite structure film and a titanium oxide layer; the titanium oxide layer is arranged to reflect or scatter ultraviolet rays, thereby increasing the ultraviolet reflection effect of the glass substrate; a first stable protective layer is arranged on the outer layer of the titanium oxide layer, which can reduce the reflectivity of the titanium oxide layer in the visible light band and increase the visible light transmittance of the glass substrate; a second stable protective layer is arranged on the layer of the titanium oxide layer close to the glass substrate, which can reduce the reflectivity of the titanium oxide in the visible light band and increase the visible light transmittance of the glass; and the high-wear-resistance performance of the first stable protective layer and the second stable protective layer after covering both sides of the titanium oxide layer can effectively protect the titanium oxide, so that the glass can have high ultraviolet reflectivity and high visible light transmittance, thereby achieving the purpose of protecting birds.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of glass, in particular to a bird-friendly glass. BACKGROUND

[0002] Due to the transparent and reflective properties of glass, birds often cannot identify the existence of glass, thus mis-hitting the glass, resulting in injury or even death. In the prior art, in order to reduce the occurrence of this situation, a pattern is mainly processed on the surface of the glass by using some reflective materials to play a warning role for birds. However, the use of some reflective materials to process patterns for warning has the following defects, that is, the reflective materials often have low transparency, and are visible to the human eye, thus not only reducing the transmittance of the glass, but also directly affecting the aesthetic level of the building. In order to solve this problem, the present application aims to provide a glass with high light transmittance and high ultraviolet reflectance, which can effectively protect birds without affecting the transmittance. SUMMARY

[0003] In view of the problems in the prior art, the present application provides a bird-friendly glass.

[0004] The technical scheme adopted by the present application to solve the technical problems is: a bird-friendly glass, comprising a glass substrate, a high-transparency protective film layer is arranged on the upper end face of the glass substrate, the high-transparency protective film layer comprises a bidirectional composite structure film and a titanium oxide layer, the bidirectional composite structure film comprises a first stable protective layer and a second stable protective layer, the titanium oxide layer is compounded between the first stable protective layer and the second stable protective layer, the first stable protective layer is plated on the outdoor surface of the glass substrate, the second stable protective layer is plated on the outdoor surface of the titanium oxide layer, and the hierarchical structure of the bird-friendly glass is sequentially from bottom to top as the glass substrate, the first stable protective layer, the titanium oxide layer, and the second stable protective layer.

[0005] The first stable protective layer and the second stable protective layer are used to reduce the reflectivity of the titanium oxide layer in the visible light band, the first stable protective layer and the second stable protective layer both contain silicon nitride and aluminum-doped silicon nitride, the hierarchical thickness of the first stable protective layer is 0 nm to 200 nm, and the hierarchical thickness of the second stable protective layer is 40 nm to 200 nm.

[0006] Preferably, the hierarchical thickness of the glass substrate is 0.4 mm to 20 mm.

[0007] Preferably, the hierarchical thickness of the titanium oxide layer is 10 nm to 100 nm.

[0008] Preferably, the first stable protective layer, the titanium oxide layer, and the second stable protective layer are sequentially plated into films by a magnetron sputtering method.

[0009] Compared to existing technologies, the advantages of this invention are as follows: by setting a titanium oxide layer to reflect or scatter ultraviolet light, the ultraviolet reflection effect of the glass substrate is increased. The first stable protective layer is set on the outer layer of the titanium oxide layer, which can reduce the reflectivity of the titanium oxide layer in the visible light band and increase the visible light transmittance of the glass substrate. The second stable protective layer is set on the titanium oxide layer close to the glass substrate, which can reduce the reflectivity of titanium oxide in the visible light band and increase the visible light transmittance of the glass. After the first and second stable protective layers cover both sides of the titanium oxide layer, their high wear resistance can effectively protect the titanium oxide, so that the glass can have both high ultraviolet reflectivity and high visible light transmittance, thereby achieving the purpose of protecting birds. Attached Figure Description

[0010] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0011] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0012] Figure 2 This is a comparison diagram of the transmittance test structure of the present invention;

[0013] Figure 3 This is a comparison diagram of the reflectivity testing structure of the present invention.

[0014] In the figure: 1. Glass substrate; 2. Two-way composite structure film; 21. First stabilizing protective layer; 22. Second stabilizing protective layer; 3. Titanium oxide layer. Detailed Implementation

[0015] To make the technical means, creative features, objectives and effects of this invention easier to understand, the invention will be further described below in conjunction with specific embodiments.

[0016] Example 1

[0017] like Figure 1 As shown, the bird-friendly glass of the present invention includes a glass substrate 1. A high-transparency protective film layer is disposed on the upper surface of the glass substrate 1. The high-transparency protective film layer includes a bidirectional composite structure film 2 and a titanium oxide layer 3. The bidirectional composite structure film 2 includes a first stable protective layer 21 and a second stable protective layer 22. The titanium oxide layer 3 is composited between the first stable protective layer 21 and the second stable protective layer 22. The first stable protective layer 21 is coated on the outer surface of the glass substrate 1, and the second stable protective layer 22 is coated on the outer surface of the titanium oxide layer 3. The layer structure of the bird-friendly glass, from bottom to top, is glass substrate 1, first stable protective layer 21, titanium oxide layer 3, and second stable protective layer 22.

[0018] The first stable protective layer 21 and the second stable protective layer 22 are used to reduce the reflectivity of the titanium oxide layer 3 in the visible light band, and the first stable protective layer 21 and the second stable protective layer 22 both contain silicon nitride and aluminum-doped silicon nitride, wherein the aluminum content of the aluminum-doped silicon nitride is at least 8% to 12%. The layer thickness of the first stable protective layer 21 is 0 nm to 200 nm, and the layer thickness of the second stable protective layer 22 is 40 nm to 200 nm.

[0019] In an optional embodiment of the present embodiment, the layer thickness of the glass substrate 1 is 0.4 mm to 20 mm.

[0020] In an optional embodiment of the present embodiment, the layer thickness of the titanium oxide layer 3 is 10 nm to 100 nm.

[0021] In the present embodiment, the titanium oxide layer 3 has the characteristics of chemical stability, high refractive index, and transparency in the visible light band, and after being plated as a layer, it can play a role in providing reflection or scattering of ultraviolet light for the glass substrate 1.

[0022] The first stable protective layer 21, the titanium oxide layer 3, and the second stable protective layer 22 are sequentially added by a magnetron sputtering method from bottom to top.

[0023] In the present embodiment, the materials of the first stable protective layer 21 and the second stable protective layer 22 are silicon nitride and aluminum-doped silicon nitride, which are respectively covered on the upper and lower sides of the titanium oxide layer 3, so as to reduce the reflectivity of the titanium oxide in the visible light band and increase the visible light transmittance of the glass. At the same time, after the first stable protective layer 21 and the second stable protective layer 22 cover the upper and lower sides of the titanium oxide layer 3, the excellent high wear resistance of the first stable protective layer 21 and the second stable protective layer 22 can effectively protect the titanium oxide layer 3.

[0024] Embodiment 2

[0025] As shown in Figure 1 , Figure 2 and Figure 3 , the bird-friendly glass according to the present application comprises a glass substrate 1, and a high-transparency protective film layer is arranged on the upper end surface of the glass substrate 1. The high-transparency protective film layer comprises a bidirectional composite structure film 2 and a titanium oxide layer 3. The bidirectional composite structure film 2 comprises a first stable protective layer 21 and a second stable protective layer 22, and the titanium oxide layer 3 is combined between the first stable protective layer 21 and the second stable protective layer 22. The first stable protective layer 21 is plated on the outdoor surface of the glass substrate 1, and the second stable protective layer 22 is plated on the outdoor surface of the titanium oxide layer 3. The layer structure of the bird-friendly glass sequentially from bottom to top is the glass substrate 1, the first stable protective layer 21, the titanium oxide layer 3, and the second stable protective layer 22.

[0026] In the embodiment, the glass substrate 1 is quartz glass, and the thickness is 4 mm.

[0027] The first stable protective layer 21 and the second stable protective layer 22 are used to reduce the reflectivity of the titanium oxide layer 3 in the visible light band, and both of the first stable protective layer 21 and the second stable protective layer 22 contain silicon nitride and aluminum-doped silicon nitride. The layer thickness of the first stable protective layer 21 is 11 nm, and the layer thickness of the second stable protective layer 22 is 83 nm.

[0028] In the embodiment, the first stable protective layer 21 and the second stable protective layer 22 are both selected from aluminum-doped silicon nitride, and the aluminum content in the aluminum-doped silicon nitride is 10%.

[0029] In an optional embodiment of the embodiment, the layer thickness of the glass substrate 1 is 0.4 mm to 20 mm.

[0030] In an optional embodiment of the embodiment, the layer thickness of the titanium oxide layer 3 is 20 nm.

[0031] In the embodiment, the glass substrate 1 is quartz glass, and the thickness is 4 mm. Figure 2 As shown in the accompanying drawings, the glass thickness of the quartz glass selected in the control group 1 is 4 mm, and the spectral data of the control group 1 and the embodiment 2 are measured by using an ultraviolet-visible-infrared spectrophotometer. The test results are shown in the following technical table (ultraviolet light band: 300 nm to 400 nm, visible light band: 400 nm to 780 nm), and the spectral comparison of the transmittance is shown in Figure 2 The spectral comparison of the glass surface reflectivity is shown in Figure 3 .

[0032] Embodiment 3

[0033] As shown in Figure 1 , Figure 2 and Figure 3 , the bird-friendly glass provided by the application comprises a glass substrate 1, and a high-transmittance protective film layer is arranged on the upper end surface of the glass substrate 1. The high-transmittance protective film layer comprises a bidirectional composite structure film 2 and a titanium oxide layer 3. The bidirectional composite structure film 2 comprises a first stable protective layer 21 and a second stable protective layer 22, and the titanium oxide layer 3 is combined between the first stable protective layer 21 and the second stable protective layer 22. The first stable protective layer 21 is plated on the outdoor surface of the glass substrate 1, and the second stable protective layer 22 is plated on the outdoor surface of the titanium oxide layer 3. The layer structure sequence of the bird-friendly glass from bottom to top is the glass substrate 1, the first stable protective layer 21, the titanium oxide layer 3, and the second stable protective layer 22.

[0034] In the embodiment, the glass substrate 1 is quartz glass, and the thickness is 4 mm.

[0035] The first stable protective layer 21 and the second stable protective layer 22 are used to reduce the reflectivity of the titanium oxide layer 3 in the visible light band, and both of the first stable protective layer 21 and the second stable protective layer 22 contain silicon nitride and aluminum-doped silicon nitride, the layer thickness of the first stable protective layer 21 is 93 nm, and the layer thickness of the second stable protective layer 22 is 86 nm.

[0036] In the embodiment, the first stable protective layer 21 and the second stable protective layer 22 are both selected from aluminum-doped silicon nitride, and the aluminum content in the aluminum-doped silicon nitride is 10.5%.

[0037] In an optional embodiment of the embodiment, the layer thickness of the glass substrate 1 is 0.4 mm to 20 mm.

[0038] In an optional embodiment of the embodiment, the layer thickness of the titanium oxide layer 3 is 24 nm.

[0039] In combination with the samples constructed in Embodiment 2 and Embodiment 3, a quartz glass with a thickness of 4 mm is selected as a control group 1, a quartz glass with a thickness of 4 mm and a titanium oxide layer with a thickness of 20 nm is selected as a control group 2, and the spectral data of the control group 1, the control group 2, Embodiment 1 and Embodiment 2 are measured by using an ultraviolet-visible-infrared spectrophotometer. The final test results are shown in the following table (the test wavelength band is ultraviolet light band: 300 nm to 400 nm, visible light band: 400 nm to 780 nm), and the spectral comparison of the transmittance is shown in the accompanying drawings Figure 2 , the spectral comparison of the glass surface reflectivity is shown in the accompanying drawings Figure 3 , and the spectral comparison of the glass surface reflectivity is shown in the accompanying drawings

[0040]

[0041] As can be seen from the above table data, the ultraviolet reflectivity of the glass surface of the control group 2 is increased by about 35% compared with the control group 1, which indicates that the titanium oxide layer can increase the ultraviolet reflectivity of the glass, but the visible light transmittance is decreased by about 30%. The ultraviolet reflectivity of the glass surface of Embodiment 2 and Embodiment 3 is not much different from that of the control group 2, and the visible light transmittance is increased by about 30%, but the visible light transmittance of the glass is almost not affected compared with the control group 1.

[0042] Therefore, by using the technical scheme implemented in the embodiment of the present application, the first stable protective layer 21, the titanium oxide layer 3 and the second stable protective layer 22 are sequentially deposited on the outdoor surface of the glass substrate 1 from bottom to top by the magnetron sputtering method, so that a glass structure with high ultraviolet reflectivity and high visible light transmittance can be obtained, and the protection against birds is improved.

[0043] The above shows and describes the basic principles, main features and advantages of the present application. Those skilled in the art should understand that the present application is not limited to the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A bird-friendly glass, comprising a glass substrate (1), characterized in that: A high-transparency protective film layer is provided on the upper surface of the glass substrate (1). The high-transparency protective film layer is composed of a bidirectional composite structure film (2) and a titanium oxide layer (3). The bidirectional composite structure film (2) is composed of a first stable protective layer (21) and a second stable protective layer (22). The titanium oxide layer (3) is composited between the first stable protective layer (21) and the second stable protective layer (22). The first stable protective layer (21) is coated on the outer surface of the glass substrate (1), and the second stable protective layer (22) is coated on the outer surface of the titanium oxide layer (3). The layer structure of the bird-friendly glass is arranged from bottom to top as follows: glass substrate (1), first stable protective layer (21), titanium oxide layer (3) and second stable protective layer (22). The first stabilizing protective layer (21) and the second stabilizing protective layer (22) are used to reduce the reflectivity of the titanium oxide layer (3) in the visible light band. Both the first stabilizing protective layer (21) and the second stabilizing protective layer (22) contain silicon nitride and aluminum-doped silicon nitride. The layer thickness of the first stabilizing protective layer (21) is 0 nm to 200 nm, and the layer thickness of the second stabilizing protective layer (22) is 40 nm to 200 nm.

2. The bird-friendly glass according to claim 1, characterized in that: The thickness of the glass substrate (1) is 0.4 mm to 20 mm.

3. The bird-friendly glass according to claim 1, characterized in that: The thickness of the titanium oxide layer (3) is 10 nm to 100 nm.

4. A method for preparing bird-friendly glass according to any one of claims 1-3, characterized in that: The first stable protective layer (21), the titanium oxide layer (3) and the second stable protective layer (22) are stacked from bottom to top by magnetron sputtering.

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