CN108726890A - High transmittance can the coated glass that uses of monolithic - Google Patents

High transmittance can the coated glass that uses of monolithic Download PDF

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Publication number
CN108726890A
CN108726890A CN201810857161.0A CN201810857161A CN108726890A CN 108726890 A CN108726890 A CN 108726890A CN 201810857161 A CN201810857161 A CN 201810857161A CN 108726890 A CN108726890 A CN 108726890A
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film layer
layer
metal isolation
thickness
coated glass
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CN201810857161.0A
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CN108726890B (en
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梁干
唐晶
武瑞军
宋保柱
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CSG Holding Co Ltd
Wujiang CSG East China Architectural Glass Co Ltd
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CSG Holding Co Ltd
Wujiang CSG East China Architectural Glass Co Ltd
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    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
    • C03C17/34—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions
    • C03C17/3411—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions with at least two coatings of inorganic materials
    • C03C17/3429—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions with at least two coatings of inorganic materials at least one of the coatings being a non-oxide coating
    • C03C17/3435—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions with at least two coatings of inorganic materials at least one of the coatings being a non-oxide coating comprising a nitride, oxynitride, boronitride or carbonitride
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
    • C03C17/34—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions
    • C03C17/3411—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions with at least two coatings of inorganic materials
    • C03C17/3429—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions with at least two coatings of inorganic materials at least one of the coatings being a non-oxide coating
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
    • C03C17/34—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions
    • C03C17/36—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
    • C03C17/34—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions
    • C03C17/36—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal
    • C03C17/3602—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal the metal being present as a layer
    • C03C17/3618—Coatings of type glass/inorganic compound/other inorganic layers, at least one layer being metallic
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
    • C03C17/34—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions
    • C03C17/36—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal
    • C03C17/3602—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal the metal being present as a layer
    • C03C17/3626—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal the metal being present as a layer one layer at least containing a nitride, oxynitride, boronitride or carbonitride
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
    • C03C17/34—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions
    • C03C17/36—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal
    • C03C17/3602—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal the metal being present as a layer
    • C03C17/3649—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal the metal being present as a layer made of metals other than silver
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C2217/00—Coatings on glass
    • C03C2217/20—Materials for coating a single layer on glass
    • C03C2217/21—Oxides
    • C03C2217/216—ZnO
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C2217/00—Coatings on glass
    • C03C2217/20—Materials for coating a single layer on glass
    • C03C2217/21—Oxides
    • C03C2217/228—Other specific oxides
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C2217/00—Coatings on glass
    • C03C2217/20—Materials for coating a single layer on glass
    • C03C2217/21—Oxides
    • C03C2217/23—Mixtures
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C2217/00—Coatings on glass
    • C03C2217/20—Materials for coating a single layer on glass
    • C03C2217/25—Metals
    • C03C2217/257—Refractory metals
    • C03C2217/258—Ti, Zr, Hf
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C2217/00—Coatings on glass
    • C03C2217/20—Materials for coating a single layer on glass
    • C03C2217/25—Metals
    • C03C2217/257—Refractory metals
    • C03C2217/259—V, Nb, Ta
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C2217/00—Coatings on glass
    • C03C2217/20—Materials for coating a single layer on glass
    • C03C2217/25—Metals
    • C03C2217/27—Mixtures of metals, alloys
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C2217/00—Coatings on glass
    • C03C2217/20—Materials for coating a single layer on glass
    • C03C2217/28—Other inorganic materials
    • C03C2217/281—Nitrides
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C2217/00—Coatings on glass
    • C03C2217/70—Properties of coatings
    • C03C2217/73—Anti-reflective coatings with specific characteristics
    • C03C2217/734—Anti-reflective coatings with specific characteristics comprising an alternation of high and low refractive indexes
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C2218/00—Methods for coating glass
    • C03C2218/10—Deposition methods
    • C03C2218/15—Deposition methods from the vapour phase
    • C03C2218/154—Deposition methods from the vapour phase by sputtering
    • C03C2218/156—Deposition methods from the vapour phase by sputtering by magnetron sputtering

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  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Surface Treatment Of Glass (AREA)
  • Laminated Bodies (AREA)

Abstract

The present invention relates to field of glass production technology, it can the coated glass that uses of monolithic more particularly to a kind of high transmittance, the composite film of one side surface of the glass matrix is set to including glass matrix and plating, the composite film includes the first antireflection media coating being sequentially depositing outward from the glass matrix, first heat-resistant fireproof film layer, first metal separating film layer, first functional film layer, second metal separating film layer, second antireflection media coating, second heat-resistant fireproof film layer, third metal separating film layer, second functional film layer, 4th metal separating film layer and protection dielectric membranous layer, the high transparency of the present invention can the coated glass that uses of monolithic have both lower heat transfer coefficient and higher light transmittance, and glass product clear appearance, it is penetrating, it is in neutrality through color.

Description

High-transmittance coated glass capable of being used in single piece
Technical Field
The invention relates to the technical field of glass production, in particular to coated glass with high transmittance and capable of being used in a single sheet.
Background
The low-radiation coated glass with the best performance and the highest market share sold in the market at present comprises at least one silver type metal functional layer, and the silver type metal functional layer mainly has the function of enabling most incident IR (infrared) radiation to be reflected back to the source side of heat radiation, for example, the solar radiation energy outside the room can be blocked from entering the room in summer, so that the use cost of an air conditioner is reduced; in winter, the indoor heating air can be prevented from flowing to the outside through the glass, and the heating cost is reduced. Thereby playing the role of energy conservation and environmental protection. However, such a film layer is very easily oxidized, vulcanized, and the like, so that the film surface of such a silver-based low-emissivity coated glass must be used for the hollow inner face of the hollow glass so as not to be damaged by exposure to air.
In the current solar control single-layer glass with a niobium working energy layer, the only niobium functional layer is deposited on a single glass substrate. The values of the heat transfer coefficient U specified by the state current standards are only met when the functional layer of such products is thick, for example about at least 10 nm or higher. However, when the functional layer is relatively thick, it is nonselectively absorbed in the face of the incident radiation energy, resulting in a very low transmittance of the glass (typically less than 30%, or even less than 20%).
In view of such characteristics, it is difficult to obtain from such a film layer while having an acceptable heat transfer coefficient U, while maintaining a sufficiently high (light transmission greater than 40%, preferably greater than 50%) solar light transmission.
Disclosure of Invention
The invention provides a coated glass with high transmittance and capable of being used in a single sheet, which can solve the problem of low transmittance while ensuring that the heat transfer coefficient is low enough.
In order to achieve the purpose, the invention adopts the technical scheme that: the utility model provides a but coated glass that high transmissivity monolithic was used, includes the glass base member and plates and locate the compound rete of glass base member one side surface, compound rete includes certainly the outside first antireflection dielectric film layer, the fire-retardant rete of first high temperature resistant, first metal isolation rete, first function rete, second metal isolation rete, second antireflection dielectric film layer, the fire-retardant rete of second high temperature resistant, third metal isolation rete, second function rete, fourth metal isolation rete and the protective dielectric rete of depositing in proper order of glass base member.
Further, the first functional film layer and the second functional film layer are metal niobium layers or niobium nitride layers.
Further, the first functional film layer is 15-60 nm; the second functional film layer is 20-60 nm.
Further, the first antireflection dielectric film layer/the second antireflection dielectric film layer is one of a ZnOx layer and a ZnSnOx layer or a composite layer of the two.
Further, the thickness of the first anti-reflection medium film layer is 20-100 nm; the thickness of the second antireflection dielectric film layer is 30-90 nm.
Further, the first high-temperature-resistant flame-retardant film layer/the second high-temperature-resistant flame-retardant film layer is an SbOx layer.
Further, the thickness of the first high-temperature-resistant flame-retardant film layer is 25-55 nm; the thickness of the second high-temperature resistant flame-retardant film layer is 20-50 nm.
Further, the first metal isolation film layer/the second metal isolation film layer/the third metal isolation film layer/the fourth metal isolation film layer is a composite layer of any one or more of a NiCrOx layer, a NiCr layer, a Ti layer and a TiOx layer.
Further, the thickness of the first metal isolation film layer is 0.5-5 nm; the thickness of the second metal isolation film layer is 0.5-6 nm; the thickness of the third metal isolation film layer is 0.5-5 nm; the thickness of the fourth metal isolation film layer is 0.5-6 nm.
Further, the protective dielectric film layer is a composite layer of any one or two of a SiNx layer, a SiOx layer, a SiNxOy layer and a TiOx layer, and the thickness of the protective dielectric film layer is 20-60 nm.
After adopting the technical scheme, compared with the prior art, the invention has the following advantages:
1. according to the invention, by optimizing the structure and thickness parameters of the composite film layer, the glass product has the effects of low heat transfer coefficient and high light transmittance, and has lower radiance and higher selection coefficient compared with the coated glass only provided with a single-layer functional film layer.
2. The functional film layer of the invention is selected from metal niobium or niobium nitride, and the metal niobium (Nb) is a material which is particularly stable and can be subjected to various heat treatments without damaging the optical property; niobium nitrides (NbN) have a high level of chemical stability; the use of the above two materials as the functional film layer allows the glass product to be used monolithically.
3. The first antireflection medium film layer and the second antireflection medium film layer have higher refractive indexes to offset the absorption of the first functional film layer and the second functional film layer, so that the light transmittance of the glass product can reach 40% or more, the product is clear and transparent in appearance, good heat insulation and heat preservation effects can be ensured, and the requirements of consumers on pursuing natural environment protection are met.
4. According to the invention, the flame-retardant material antimony oxide is used as a coating material, so that the high-temperature impact resistance of the film layer is improved, and the problem of more appearance defects of the toughened glass product is solved.
Drawings
FIG. 1 is a schematic structural diagram of a high transmittance single-sheet coated glass according to the present invention.
Wherein,
100. a glass substrate;
200. compounding the film layer;
201. a first anti-reflective dielectric film layer; 202. a first high temperature resistant flame retardant film layer; 203. a first metal isolation film layer; 204. a first functional film layer; 205. a second metal isolation film layer; 206. a second antireflective dielectric film layer; 207. a second high temperature resistant flame retardant film layer; 208. a third metal isolation film layer; 209. a second functional film layer; 210. a fourth metal isolation film layer; 211. the dielectric film layer is protected.
Detailed Description
The invention is further explained below with reference to the drawings and examples.
As shown in fig. 1, a high transmittance single-piece coated glass includes a glass substrate 100 and a composite film 200 plated on one side surface of the glass substrate 100, where the composite film 200 includes a first anti-reflection dielectric film 201, a first high temperature resistant flame retardant film 202, a first metal isolation film 203, a first functional film 204, a second metal isolation film 205, a second anti-reflection dielectric film 206, a second high temperature resistant flame retardant film 207, a third metal isolation film 208, a second functional film 209, a fourth metal isolation film 210 and a protective dielectric film 211, which are sequentially deposited from the glass substrate 100 to the outside.
The method comprises the following specific steps:
the first functional film layer 204 and the second functional film layer 209 are niobium metal layers or niobium nitride layers, and the film layer materials of the first functional film layer 204 and the second functional film layer 209 may be the same or different. Preferably, the first functional film layer 204 is 15-60 nm; the second functional film layer 209 is 20-60 nm. Metallic niobium (Nb) is a material that is particularly stable and can withstand various heat treatments without impairing its optical properties; niobium nitrides (NbN) have a high level of chemical stability. The first functional film layer 204 and the second functional film layer 209 are made of niobium or niobium nitride, which is not easy to oxidize or vulcanize, and the composite film layer 200 of the glass product can be directly exposed in the air and can be used as a single sheet.
The first antireflection dielectric film layer 201/the second antireflection dielectric film layer 206 is one of a ZnOx layer and a ZnSnOx layer or a composite layer of the two, and the film materials of the first antireflection dielectric film layer 201 and the second antireflection dielectric film layer 206 may be the same or different. The thickness of the first anti-reflection dielectric film layer 201 is 20-100 nm; the thickness of the second antireflective dielectric film layer 206 is 30-90 nm.
According to the invention, the first anti-reflection dielectric film layer 201 and the second anti-reflection dielectric film layer 206 are made of coating materials with excellent performance as protection materials, so that the high temperature resistance of a glass product can be improved, and the first functional film layer 204 and the second functional film layer 209 are better protected. In addition, the film materials of the first anti-reflection dielectric film 201 and the second anti-reflection dielectric film 206 have higher refractive indexes, so that the absorption of the first functional film 204 and the second functional film 209 can be counteracted, the light transmittance of the glass product is improved, and the light transmittance can be as high as 40% or even higher. The glass product is clear and transparent in appearance, can ensure good heat insulation and heat preservation effects, and meets the requirement of consumers on pursuing natural environment protection.
The first high temperature resistant flame retardant film layer 202/the second high temperature resistant flame retardant film layer 207 is a SbOx layer. Preferably, the thickness of the first high temperature resistant flame retardant film layer 202 is 25-55 nm; the thickness of the second high temperature resistant flame retardant film layer 207 is 20-50 nm. According to the invention, the flame-retardant material antimony oxide is used as a coating material, so that the high-temperature impact resistance of the first high-temperature-resistant flame-retardant film layer 202/the second high-temperature-resistant flame-retardant film layer 207 is improved, the protection effect on the first functional film layer 204 and the second functional film layer 209 is improved, the heat resistance of a glass product is superior to that of the traditional coated glass, and the appearance defects of the toughened glass product can be reduced.
The first metal isolation film layer 203, the second metal isolation film layer 205, the third metal isolation film layer 208 and the fourth metal isolation film layer 210 are composite layers of any one or more of NiCrOx layers, NiCr layers, Ti layers and TiOx layers, and the film materials of the first metal isolation film layer 203, the second metal isolation film layer 205, the third metal isolation film layer 208 and the fourth metal isolation film layer 210 may be the same or different. Preferably, the thickness of the first metal isolation film layer 203 is 0.5-5 nm; the thickness of the second metal isolation film layer 205 is 0.5-6 nm; the thickness of the third metal isolation film layer 208 is 0.5-5 nm; the thickness of the fourth metal isolation film layer 210 is 0.5-6 nm.
Any one or any multiple composite layers of the NiCrOx layer, the NiCr layer, the Ti layer and the TiOx layer are adopted to protect the first functional film layer 204 and the second functional film layer 209, so that the film layer structure is more complete, the binding force is higher, and the compactness of the film layer and the stability of a glass product are effectively ensured.
In particular, when the first metal isolation film layer 203, the second metal isolation film layer 205, the third metal isolation film layer 208, and the fourth metal isolation film layer 210 comprise NiCrOx, during the heating process, NiCrOx has a better affinity for partially permeated oxygen, thereby effectively capturing oxygen molecules and better protecting the first functional film layer 204 and the second functional film layer 209. In addition, the NiCrOx layer is combined with the oxide, so that the visible light transmittance of the product can be effectively improved, and the permeability of the glass product is improved.
The protective dielectric film layer 211 is any one layer or a composite layer of any two layers of a SiNx layer, a SiOx layer, a SiNxOy layer and a TiOx layer, and the thickness of the protective dielectric film layer 211 is 20-60 nm.
Each film layer in the composite film layer 200 of the invention is deposited from one side surface of the glass substrate 100 to the outside in sequence by adopting a magnetron sputtering coating mode, and the coating process needs to be kept at 1.2 multiplied by 10-4An environment of Pa or above.
After the plating is finished, the glass substrate is placed in a tempering furnace for tempering treatment, the heating temperature of the coated surface is 680-690 ℃, and the heating temperature of the non-coated surface of the glass substrate 100 is slightly lower than the temperature of the coated surface and is 670-680 ℃. The composite film layer 200 is a functional film layer, the performance of the functional film layer determines that the heat absorption capacity of the coated surface is weaker than that of the non-coated surface, in order to ensure that the heat absorption capacity of the coated surface is consistent with that of the non-coated surface and avoid the bending deformation during toughening treatment, the temperature of the coated surface needs to be higher than that of the non-coated surface, and the toughening treatment time is 570-590 s.
The following are specific examples.
Example 1
In this example, the structure of the composite film layer 200 on the surface of the glass substrate 100 is: ZnSnOx/SbOx/NiCrOx/Nb/NiCrOx/ZnSnOx/SbOx/NiCrOx/Nb/NiCrOx/SiOx. The thickness of each membrane layer in the composite membrane layer 200 is 39.2nm/28.6nm/0.8nm/26.5nm/0.8 nm-
76.3nm/32.4nm/0.7nm/38.3nm/0.7nm/35.9nm。
For light transmission greater than 40% after tempering, the following results were obtained:
t = 56.7%; heat transfer coefficient U =2.68W/m2.k
Extrar = 8.93; a × g = -4.43; b g = -12.58 (glass surface);
intra-R = 6.98; a = -1.63; b f = -11.5 (membrane surface).
Note: in this and each of the following examples, reflectance of the glass face and values a g and b g correspond to the color value of the glass face, reflectance of the film face and values a f and b f correspond to the color value of the film face.
Example 2
In this example, the structure of the composite film layer 200 on the surface of the glass substrate 100 is: ZnAlOx/SbOx/TiOx-
Nb/TiOx/ZnAlOx/SbOx/NiCrOx/Nb/NiCrOx/TiOx. The thickness of each membrane layer in the composite membrane layer 200 is 38.3nm/31.3nm/1.3nm/22nm/1.5nm/65.2nm/28.7nm/0.9nm/53.2 nm-
1.1nm/22.3nm。
For light transmission greater than 40% after tempering, the following results were obtained:
t = 42.3%; heat transfer coefficient U =2.53W/m2.k
Extrar = 18.52; a × g = -2.7; b g = -8.25 (glass surface);
intra-R = 11.6; a f = 3.6; b f =12.1 (membrane face).
Example 3
In this example, the structure of the composite film layer 200 on the surface of the glass substrate 100 is: ZnSnOx/SbOx/Ti/NbN-
Ti/ZnSnOx/SbOx/NiCrOx/Nb/NiCrOx/SiNxOy. The thickness of each film layer in the composite film layer 200 is 42nm/44.2 nm/0.9nm/25.6nm/0.9nm/68.4nm/34.1/0.9 nm/45.8nm/0.9 nm/42.3 nm in sequence.
For light transmission greater than 40% after tempering, the following results were obtained:
t = 48.9%; heat transfer coefficient U =2.59W/m2.k
Extrar = 18.43; a × g = -3.9; b g = -7.9 (glass surface);
intra-R = 16.9; a f = 6.2; b f = -18.6 (membrane surface).
The embodiment shows that the coated glass with high light transmittance and capable of being used by a single sheet has lower heat transfer coefficient and higher light transmittance, and the glass product is clear and transparent in appearance and neutral in transmitted color.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims (10)

1. The high-transmittance coated glass capable of being used in a single sheet comprises a glass substrate and a composite film layer plated on one side surface of the glass substrate, and is characterized in that: the composite film layer comprises a first anti-reflection medium film layer, a first high-temperature-resistant flame-retardant film layer, a first metal isolation film layer, a first functional film layer, a second metal isolation film layer, a second anti-reflection medium film layer, a second high-temperature-resistant flame-retardant film layer, a third metal isolation film layer, a second functional film layer, a fourth metal isolation film layer and a protective dielectric film layer which are sequentially deposited outwards from the glass substrate.
2. The high transmittance single-sheet coated glass according to claim 1, wherein: the first functional film layer and the second functional film layer are metal niobium layers or niobium nitride layers.
3. The high transmittance single-sheet coated glass according to claim 2, wherein: the first functional film layer is 15-60 nm; the second functional film layer is 20-60 nm.
4. The high transmittance single-sheet coated glass according to claim 1, wherein: the first antireflection dielectric film layer/the second antireflection dielectric film layer is one of a ZnOx layer and a ZnSnOx layer or a composite layer of the two.
5. The high transmittance single-sheet coated glass according to claim 4, wherein: the thickness of the first anti-reflection medium film layer is 20-100 nm; the thickness of the second antireflection dielectric film layer is 30-90 nm.
6. The high transmittance single-sheet coated glass according to claim 1, wherein: the first high-temperature-resistant flame-retardant film layer/the second high-temperature-resistant flame-retardant film layer is an SbOx layer.
7. The high transmittance single-sheet coated glass according to claim 6, wherein: the thickness of the first high-temperature-resistant flame-retardant film layer is 25-55 nm; the thickness of the second high-temperature resistant flame-retardant film layer is 20-50 nm.
8. The high transmittance single-sheet coated glass according to claim 1, wherein: the first metal isolation film layer/the second metal isolation film layer/the third metal isolation film layer/the fourth metal isolation film layer is any one layer or any multi-layer composite layer of a NiCrOx layer, a NiCr layer, a Ti layer and a TiOx layer.
9. The high transmittance single-sheet coated glass according to claim 8, wherein: the thickness of the first metal isolation film layer is 0.5-5 nm; the thickness of the second metal isolation film layer is 0.5-6 nm; the thickness of the third metal isolation film layer is 0.5-5 nm; the thickness of the fourth metal isolation film layer is 0.5-6 nm.
10. The high transmittance single-sheet coated glass according to claim 1, wherein: the protective dielectric film layer is a composite layer of any one or two of a SiNx layer, a SiOx layer, a SiNxOy layer and a TiOx layer, and the thickness of the protective dielectric film layer is 20-60 nm.
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DE4024308A1 (en) * 1989-07-31 1991-02-07 Central Glass Co Ltd THERMAL INSULATING GLASS WITH DIELECTRIC MULTILAYER COVER
US6124026A (en) * 1997-07-07 2000-09-26 Libbey-Owens-Ford Co. Anti-reflective, reduced visible light transmitting coated glass article
WO2012008587A1 (en) * 2010-07-16 2012-01-19 旭硝子株式会社 Infrared-ray reflecting substrate and laminated glass
CN102350833A (en) * 2011-07-19 2012-02-15 上海耀华皮尔金顿玻璃股份有限公司 Novel energy-saving toughened three-silver-layer low-radiation coated glass
WO2013026606A1 (en) * 2011-08-22 2013-02-28 Agc Glass Europe Fire-resistant glazing unit
CN204727775U (en) * 2015-02-04 2015-10-28 中国建筑材料科学研究总院 Sunlight controlling coated glass can be used by monolithic
CN208667496U (en) * 2018-07-31 2019-03-29 吴江南玻华东工程玻璃有限公司 High transmittance can the coated glass that uses of monolithic

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4024308A1 (en) * 1989-07-31 1991-02-07 Central Glass Co Ltd THERMAL INSULATING GLASS WITH DIELECTRIC MULTILAYER COVER
US6124026A (en) * 1997-07-07 2000-09-26 Libbey-Owens-Ford Co. Anti-reflective, reduced visible light transmitting coated glass article
WO2012008587A1 (en) * 2010-07-16 2012-01-19 旭硝子株式会社 Infrared-ray reflecting substrate and laminated glass
CN102350833A (en) * 2011-07-19 2012-02-15 上海耀华皮尔金顿玻璃股份有限公司 Novel energy-saving toughened three-silver-layer low-radiation coated glass
WO2013026606A1 (en) * 2011-08-22 2013-02-28 Agc Glass Europe Fire-resistant glazing unit
CN204727775U (en) * 2015-02-04 2015-10-28 中国建筑材料科学研究总院 Sunlight controlling coated glass can be used by monolithic
CN208667496U (en) * 2018-07-31 2019-03-29 吴江南玻华东工程玻璃有限公司 High transmittance can the coated glass that uses of monolithic

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