CN117361898A - Dark brown low-shading low-radiation coated glass and preparation method thereof - Google Patents
Dark brown low-shading low-radiation coated glass and preparation method thereof Download PDFInfo
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- CN117361898A CN117361898A CN202311231739.9A CN202311231739A CN117361898A CN 117361898 A CN117361898 A CN 117361898A CN 202311231739 A CN202311231739 A CN 202311231739A CN 117361898 A CN117361898 A CN 117361898A
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- 239000011521 glass Substances 0.000 title claims abstract description 108
- 238000002360 preparation method Methods 0.000 title claims abstract description 10
- 239000010410 layer Substances 0.000 claims abstract description 281
- 239000011241 protective layer Substances 0.000 claims abstract description 76
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 67
- 229910052802 copper Inorganic materials 0.000 claims abstract description 67
- 239000010949 copper Substances 0.000 claims abstract description 67
- 239000000758 substrate Substances 0.000 claims abstract description 28
- VNNRSPGTAMTISX-UHFFFAOYSA-N chromium nickel Chemical compound [Cr].[Ni] VNNRSPGTAMTISX-UHFFFAOYSA-N 0.000 claims description 18
- 229910001120 nichrome Inorganic materials 0.000 claims description 18
- 238000000576 coating method Methods 0.000 claims description 14
- 239000011248 coating agent Substances 0.000 claims description 13
- 238000001755 magnetron sputter deposition Methods 0.000 claims description 7
- 238000005516 engineering process Methods 0.000 claims description 6
- 238000000151 deposition Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 claims 1
- 229910052709 silver Inorganic materials 0.000 abstract description 15
- 239000004332 silver Substances 0.000 abstract description 15
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 abstract description 14
- 230000000694 effects Effects 0.000 abstract description 14
- 241001122767 Theaceae Species 0.000 abstract description 10
- 239000002346 layers by function Substances 0.000 abstract description 8
- 229910007717 ZnSnO Inorganic materials 0.000 description 24
- 230000000052 comparative effect Effects 0.000 description 16
- 238000004544 sputter deposition Methods 0.000 description 15
- 238000004519 manufacturing process Methods 0.000 description 9
- 235000013616 tea Nutrition 0.000 description 9
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 238000002834 transmittance Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000004364 calculation method Methods 0.000 description 3
- 239000007888 film coating Substances 0.000 description 3
- 238000009501 film coating Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 241000227425 Pieris rapae crucivora Species 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 229910000510 noble metal Inorganic materials 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910000611 Zinc aluminium Inorganic materials 0.000 description 1
- CSDREXVUYHZDNP-UHFFFAOYSA-N alumanylidynesilicon Chemical compound [Al].[Si] CSDREXVUYHZDNP-UHFFFAOYSA-N 0.000 description 1
- 238000003556 assay Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000007688 edging Methods 0.000 description 1
- 235000019225 fermented tea Nutrition 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 239000005344 low-emissivity glass Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
- GZCWPZJOEIAXRU-UHFFFAOYSA-N tin zinc Chemical compound [Zn].[Sn] GZCWPZJOEIAXRU-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- C03C17/3639—Multilayers containing at least two functional metal layers
-
- 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
- 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
- C03C17/3657—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 the multilayer coating having optical properties
- C03C17/366—Low-emissivity or solar control coatings
-
- 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
- C03C2217/78—Coatings specially designed to be durable, e.g. scratch-resistant
-
- 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
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Surface Treatment Of Glass (AREA)
Abstract
The invention belongs to the technical field of glass, and discloses dark brown low-shading low-radiation coated glass and a preparation method thereof. The coated glass comprises a white glass substrate and a film structure arranged on the surface of the white glass substrate, wherein the film structure comprises a first dielectric layer, a first copper layer, a first protective layer, a second dielectric layer, a second copper layer, a second protective layer, a third dielectric layer, a third copper layer, a third protective layer, a fourth dielectric layer and a fourth protective layer which are sequentially arranged from bottom to top. According to the invention, the white glass substrate is coated with the film, three layers of copper are adopted as the functional layers, and the dark brown low-shading low-radiation coated glass formed by the functional layers, the dielectric layers and the protective layers is dark brown, the sun shading coefficient is low, and the radiation-proof performance and the color effect are not obviously different from those of the traditional tea glass coated with three silver films.
Description
Technical Field
The invention belongs to the technical field of glass, and particularly relates to dark brown low-shading low-radiation coated glass and a preparation method thereof.
Background
Low emissivity glass, also known as Low-E glass, is a film-based product that is formed by plating multiple layers of metals including gold/silver/copper layers and other compounds on the surface of the glass. The gold/silver/copper layer has the characteristic of low radiation, and the low-radiation glass has high transmittance to visible light, high reflectivity to infrared rays and good heat insulation performance.
In recent years, with the global consensus of double carbon, three-silver low-emissivity products with more energy-saving effect stand out, and the demands of the building market for glass color and performance diversity, low-emissivity coated glass with dark tea color tone is popular. Currently, to achieve this effect, three silver low emissivity coated products are commonly used to coat brown (also brown) substrates. It is known that the coating of brown or brown substrates has the following problems: the tea-colored substrate is required by the masses, and the production process is more complex than that of a common white glass substrate (white glass substrate), so that the production cost is high; because the demand is small, the production period and the stock time are very long, the problem of the original sheet that the freshness and the surface quality are inferior to those of white glass and the problem of mildew phenomenon is outstanding, the quality requirement of the film coating on the original sheet is very high, and the original sheet is easy to mildew and discard due to the non-freshness in the film coating process, so that the defects of extremely high overall production and manufacturing cost and longer delivery period exist.
The functional layers of the products can be noble metal silver, the cost is high, and the technical effects achieved are mostly similar to the color of the colored glass, namely, the natural color effect of the colored glass is achieved when the colored glass is not coated, the effect similar to that of the colored glass after coating is not achieved, and the color and the performance of the coated colored glass are obviously different from those of the uncoated colored glass.
Therefore, development of dark brown coated glass with low sun-shading and low radiation performance, which uses white glass as a substrate, is very necessary.
Disclosure of Invention
The present invention aims to solve at least one of the technical problems in the prior art described above. Therefore, the invention provides dark brown low-shading low-radiation coated glass and a preparation method thereof, the performance and the color effect of the coated glass are not obviously different from the effect of three layers of silver coating on the traditional brown substrate, and the cost of the coated glass is lower.
The invention provides dark brown low-shading low-radiation coated glass, which comprises a white glass substrate and a film structure arranged on the surface of the white glass substrate, wherein the film structure comprises a first dielectric layer, a first copper layer, a first protective layer, a second dielectric layer, a second copper layer, a second protective layer, a third dielectric layer, a third copper layer, a third protective layer, a fourth dielectric layer and a fourth protective layer which are sequentially arranged from bottom to top.
According to some embodiments of the invention, the first dielectric layer comprises a SiN layer and a ZnAlO layer.
According to some embodiments of the invention, the first dielectric layer has a thickness of 20-80nm.
According to some embodiments of the invention, the first protective layer comprises a NiCr layer and a Ti layer.
According to some embodiments of the invention, the first protective layer has a thickness of 2-12nm.
According to some embodiments of the invention, the second protective layer and the third protective layer are both the same structure as the first protective layer.
According to some embodiments of the invention, the second protective layer has a thickness of 1-10nm.
According to some embodiments of the invention, the thickness of the third protective layer is 2-15nm.
According to some embodiments of the invention, the second dielectric layer comprises a SiN layer, a ZnSnO layer, and a ZnAlO layer.
According to some embodiments of the invention, the second dielectric layer has a thickness of 30-80nm.
According to some embodiments of the invention, the third dielectric layer and the fourth dielectric layer are each the same structure as the second dielectric layer.
According to some embodiments of the invention, the thickness of the third dielectric layer is 30-90nm.
According to some embodiments of the invention, the fourth dielectric layer has a thickness of 10-40nm.
According to some embodiments of the invention, the fourth protective layer is a SiN layer.
According to some embodiments of the invention, the fourth protective layer has a thickness of 10-40nm.
According to some embodiments of the invention, the first copper layer has a thickness of 2-10nm.
According to some embodiments of the invention, the second copper layer has a thickness of 5-20nm.
According to some embodiments of the invention, the thickness of the third copper layer is 5-20nm.
The second aspect of the invention provides a preparation method of dark brown low-shading low-radiation coated glass, which is realized by adopting a vacuum magnetron sputtering coating technology and comprises the following steps of:
and respectively depositing the first copper layer, the second copper layer and the third copper layer at corresponding positions of the film structure.
The third aspect of the invention provides hollow glass, which comprises the dark brown low-shading low-radiation coated glass.
Compared with the prior art, the invention has the following beneficial effects:
according to the invention, the white glass substrate is coated with the film, three layers of copper are adopted as the functional layers, and the dark brown low-shading low-radiation coated glass formed by the three layers of dielectric layers and the protective layers has dark brown inside and outside, the shading coefficient is low, and the radiation-proof performance and the color effect are not obviously different from those of the traditional tea glass coated with three silver films; meanwhile, the white glass is adopted to replace tea glass, so that the manufacturing cost is greatly reduced compared with the tea glass, the manufacturing period is also greatly shortened, the price of copper metal is 1-2% of that of noble metal silver, and silver materials are not required to be used, so that the cost of coating materials is greatly reduced.
Drawings
The invention is further described below with reference to the drawings and examples.
FIG. 1 is a schematic diagram of the dark brown low-shading low-emissivity coated glass of the invention;
FIG. 2 is a front view of the coated glass of example 1 of the present invention compared with a conventional tea glass coated glass;
FIG. 3 is a graph showing the comparison of the coated glass of example 1 of the present invention with the conventional tea glass coated glass at a small angle.
Detailed Description
The present invention will be described in further detail with reference to specific examples. The starting materials or apparatus used in the examples are all available from conventional commercial sources or may be obtained by methods known in the art unless otherwise specified. Unless otherwise indicated, assays or testing methods are routine in the art.
As shown in fig. 1, the invention provides dark brown low-shading low-radiation coated glass, which comprises a white glass substrate 100 and a film structure arranged on the surface of the white glass substrate, wherein the film structure comprises a first dielectric layer 101, a first copper layer 102, a first protective layer 103, a second dielectric layer 104, a second copper layer 105, a second protective layer 106, a third dielectric layer 107, a third copper layer 108, a third protective layer 109, a fourth dielectric layer 110 and a fourth protective layer 111 which are sequentially arranged from bottom to top.
Wherein the first dielectric layer 101 comprises a SiN layer 1011 and a ZnAlO layer 1012; the first protective layer 103 includes a NiCr layer 1031 and a Ti layer 1032; the second dielectric layer 104 includes a SiN layer 1014, a ZnSnO layer 1042, and a ZnAlO layer 1043; the second protective layer 106 includes a NiCr layer 1061 and a Ti layer 1062; the third dielectric layer 107 includes a SiN layer 1071, a ZnSnO layer 1072, and a ZnAlO layer 1073; the third protective layer 109 includes a NiCr layer 1091 and a Ti layer 1092; the fourth dielectric layer 110 includes a SiN layer 1101, a ZnSnO layer 1102, and a ZnAlO layer 1103; the fourth protective layer 111 is a SiN layer.
The preparation method of dark brown low-shading low-radiation coated glass is realized by adopting a vacuum magnetron sputtering coating technology and comprises the following steps of:
and respectively depositing a first copper layer, a second copper layer and a third copper layer at corresponding positions of the film structure.
The film structure of the dark brown low-shading low-radiation coated glass and the parameters of vacuum magnetron sputtering coating are shown in table 1.
TABLE 1
Wherein, the planar metal target adopts pure Ar gas sputtering, and the silicon aluminum adopts Ar/N 2 =1.2:1 gas sputtering, zinc tin/zinc aluminum with Ar/O 2 =1:1.2 gas sputtering.
The present invention is further illustrated and described below in conjunction with specific examples and comparative examples.
Example 1
The dark brown low-shading low-radiation coated glass comprises a white glass substrate and a film structure arranged on the surface of the white glass substrate, wherein the film structure comprises a first dielectric layer, a first copper layer, a first protective layer, a second dielectric layer, a second copper layer, a second protective layer, a third dielectric layer, a third copper layer, a third protective layer, a fourth dielectric layer and a fourth protective layer which are sequentially arranged from bottom to top.
Wherein, the thickness of the white glass substrate is 6mm;
the first dielectric layer comprises a SiN layer with the thickness of 36nm and a ZnAlO layer with the thickness of 15nm;
the thickness of the first copper layer is 4nm;
the first protective layer comprises a NiCr layer and a Ti layer, and the thickness of the first protective layer is 3.8nm;
the second dielectric layer comprises a SiN layer, a ZnSnO layer and a ZnAlO layer, the total thickness of the SiN layer and the ZnSnO layer is 35nm, and the thickness of the ZnAlO layer is 25nm;
the thickness of the second copper layer is 13nm;
the second protective layer comprises a NiCr layer and a Ti layer, and the thickness of the second protective layer is 2nm;
the third dielectric layer comprises a SiN layer, a ZnSnO layer and a ZnAlO layer, the total thickness of the SiN layer and the ZnSnO layer is 35nm, and the thickness of the ZnAlO layer is 15nm;
the thickness of the third copper layer is 11.5nm;
the third protective layer comprises a NiCr layer and a Ti layer, and the thickness of the third protective layer is 5.7nm;
the fourth dielectric layer comprises a SiN layer, a ZnSnO layer and a ZnAlO layer, and the thickness of the fourth dielectric layer is 15nm;
the fourth protective layer is a SiN layer with the thickness of 12nm.
The preparation method of dark brown low-shading low-radiation coated glass is realized by adopting a vacuum magnetron sputtering coating technology, and after a common white glass substrate is subjected to conventional slicing, edging, tempering, cleaning and drying, the following steps are carried out:
(1) Sequentially sputtering a SiN layer and a ZnAlO layer on the surface of the substrate to form a first dielectric layer;
(2) Sputtering a first copper layer on the surface of the ZnAlO layer;
(3) Sequentially sputtering a NiCr layer and a Ti layer on the surface of the first copper layer to form a first protective layer;
(4) Sequentially sputtering a SiN layer, a ZnSnO layer and a ZnAlO layer on the surface of the Ti layer to form a second dielectric layer;
(5) Sputtering a second copper layer on the surface of the ZnAlO layer;
(6) Sputtering a NiCr layer and a Ti layer on the surface of the second copper layer in sequence to form a second protective layer;
(7) Sequentially sputtering a SiN layer, a ZnSnO layer and a ZnAlO layer on the surface of the Ti layer to form a third dielectric layer;
(8) Sputtering a third copper layer on the surface of the ZnAlO layer;
(9) Sequentially sputtering a NiCr layer and a Ti layer on the surface of the third copper layer to form a third protective layer;
(10) Sequentially sputtering a SiN layer, a ZnSnO layer and a ZnAlO layer on the surface of the Ti layer to form a fourth dielectric layer;
(11) Sputtering a SiN layer on the surface of the ZnAlO layer to form a fourth protective layer;
wherein, the process atmosphere of each film layer in the above sputtering coating process is shown in table 1.
Example 2
The dark brown low-shading low-radiation coated glass provided in the embodiment has the same structure as that of the embodiment 1, and is different in film thickness, and specifically:
the dark brown low-shading low-radiation coated glass comprises a white glass substrate and a film structure arranged on the surface of the white glass substrate, wherein the film structure comprises a first dielectric layer, a first copper layer, a first protective layer, a second dielectric layer, a second copper layer, a second protective layer, a third dielectric layer, a third copper layer, a third protective layer, a fourth dielectric layer and a fourth protective layer which are sequentially arranged from bottom to top.
Wherein, the thickness of the white glass substrate is 6mm;
the first dielectric layer comprises a SiN layer with the thickness of 35nm and a ZnAlO layer with the thickness of 15nm;
the thickness of the first copper layer is 6nm;
the first protective layer comprises a NiCr layer and a Ti layer, and the thickness of the first protective layer is 8nm;
the second dielectric layer comprises a SiN layer, a ZnSnO layer and a ZnAlO layer, the total thickness of the SiN layer and the ZnSnO layer is 40nm, and the thickness of the ZnAlO layer is 25nm;
the thickness of the second copper layer is 13nm;
the second protective layer comprises a NiCr layer and a Ti layer, and the thickness of the second protective layer is 3.8nm;
the third dielectric layer comprises a SiN layer, a ZnSnO layer and a ZnAlO layer, the total thickness of the SiN layer and the ZnSnO layer is 40nm, and the thickness of the ZnAlO layer is 17nm;
the thickness of the third copper layer is 11.5nm;
the third protective layer comprises a NiCr layer and a Ti layer, and the thickness of the third protective layer is 6.1nm;
the fourth dielectric layer comprises a SiN layer, a ZnSnO layer and a ZnAlO layer, and the thickness of the fourth dielectric layer is 18nm;
the fourth protective layer is a SiN layer with the thickness of 12nm.
The preparation method of the dark brown low-shading low-radiation coated glass is also realized by adopting a vacuum magnetron sputtering coating technology, and coating parameters are shown in table 1.
Comparative example 1
The coated glass provided in comparative example 1 was different from example 1 only in that the first copper layer was replaced with a silver layer, and the other film layers were the same as in example 1.
Comparative example 2
Comparative example 2 provides coated glass differing from example 1 only in that the second copper layer was replaced with a silver layer, and the other layers were the same as in example 1.
Comparative example 3
Comparative example 3 provides coated glass differing from example 1 only in that the third copper layer was replaced with a silver layer, and the other layers were the same as in example 1.
Comparative example 4
The coated glass provided in comparative example 4 is realized by adopting four copper layers through a vacuum magnetron sputtering coating technology, and is specifically as follows:
the dark brown low-shading low-radiation coated glass comprises a white glass substrate and a film structure arranged on the surface of the white glass substrate, wherein the film structure comprises a first dielectric layer, a first copper layer, a first protective layer, a second dielectric layer, a second copper layer, a second protective layer, a third dielectric layer, a third copper layer, a third protective layer, a fourth dielectric layer, a fourth copper layer, a fourth protective layer, a fifth dielectric layer and a fifth protective layer which are sequentially arranged from bottom to top.
Wherein, the thickness of the white glass substrate is 6mm;
the first dielectric layer comprises a SiN layer with the thickness of 30nm and a ZnAlO layer with the thickness of 15nm;
the thickness of the first copper layer is 4.7nm;
the first protective layer comprises a NiCr layer and a Ti layer, and the thickness of the first protective layer is 3.8nm;
the second dielectric layer comprises a SiN layer, a ZnSnO layer and a ZnAlO layer, wherein the total thickness of the SiN layer and the ZnSnO layer is 37nm, and the thickness of the ZnAlO layer is 25nm;
the thickness of the second copper layer is 14nm;
the second protective layer comprises a NiCr layer and a Ti layer, and the thickness of the second protective layer is 2nm;
the third dielectric layer comprises a SiN layer, a ZnSnO layer and a ZnAlO layer, the total thickness of the SiN layer and the ZnSnO layer is 20nm, and the thickness of the ZnAlO layer is 15nm;
the thickness of the third copper layer is 8.5nm;
the third protective layer comprises a NiCr layer and a Ti layer, and the thickness of the third protective layer is 1nm;
the fourth dielectric layer comprises a SiN layer, a ZnSnO layer and a ZnAlO layer, the total thickness of the SiN layer and the ZnSnO layer is 26nm, and the thickness of the ZnAlO layer is 12nm;
the thickness of the fourth copper layer is 5nm;
the fourth protective layer comprises a NiCr layer and a Ti layer, and the thickness of the fourth protective layer is 4nm;
the fifth dielectric layer comprises a SiN layer and a ZnSnO layer, and the thickness of the fifth dielectric layer is 25nm;
the fifth protective layer is a SiN layer with a thickness of 12nm.
Color and performance testing
The single piece coated glass of examples 1-2 and comparative examples 1-4 was measured using an obutary spectrophotometer and the results are shown in table 2.
TABLE 2
As can be seen from the data in Table 2, the invention can obtain the coated glass with dark brown color at each angle of the permeation color, the indoor surface and the outdoor surface; comparative example 1 had a small absorption, blue transmission, high external reflection, red decay, yellow enhancement, and failure to achieve the desired dark brown effect; the transmittance of comparative example 2 is increased, the transmittance is deep blue, the outdoor reflection is obviously enhanced, the indoor blue tone is enhanced, and the required dark brown effect cannot be achieved; the transmittance of comparative example 3 was increased, the transmitted color was changed to blue-green, and the outdoor red tone was enhanced, and the indoor color was yellow enhanced, failing to achieve the desired dark brown effect.
Therefore, any copper layer is replaced by a silver layer, the required dark brown coated glass with red and yellow color tone for indoor, outdoor and transmission can not be obtained all the time, and all the visible functional layers are copper, so that a decisive effect is realized on realizing that white glass replaces tea glass coating. According to the invention, copper is introduced as a functional layer of a film coating layer, and the traditional functional layer silver layer is completely replaced, so that the metal copper has more absorption to visible light, can absorb green and blue of the visible light, and increases red and yellow of the visible light; the thickness of the film layer reaches a certain thickness and is similar to other metals, and the film has metal color rendering property.
In addition, when the coated glass of example 1 is compared with the conventional tea glass coated glass, as shown in fig. 2 and 3, it can be seen that the coated glass of example 1 has no obvious difference in color from the conventional tea glass coated glass, whether the front surface is at a small angle of 60 °. In fig. 2 and 3, the coated glass of example 1 is larger, and the coated glass of the conventional tea glass is smaller.
The single piece of coated glass of examples 1-2 and comparative example 4 above was made into a hollow glass having a structure of 6-coated glass (glass) +12-air+6-glass (white glass) and subjected to performance test. The testing instrument is Glassrt 1000, CIE calculation condition is D65/10 DEG, thermal parameter calculation standard is NFRC 100, and optical parameter calculation standard is NFRC 300. The results are shown in Table 3.
TABLE 3 Table 3
| Group of | Visible transmittance Tv | Outdoor reflectance | Indoor reflectance | Sunshade coefficient Sc | Emissivity e |
| Example 1 | 11.5 | 8.6 | 14 | 0.12 | 0.02 |
| Example 2 | 11 | 8.1 | 12 | 0.12 | 0.02 |
| Comparative example 4 | 10.1 | 8.9 | 12.5 | 0.11 | 0.019 |
As can be seen from the data in table 3, in comparative example 4, the four-copper structure is adopted, and although the required effect can be achieved, the performance is slightly improved, but the required production and manufacturing cost is greatly increased, and the technical difficulty of the process is also remarkably improved, so that the four-layer functional layer copper is adopted, and the cost performance is lack for large-scale production.
While the preferred embodiments of the present invention have been illustrated and described, the present invention is not limited to the embodiments, and various equivalent modifications and substitutions can be made by one skilled in the art without departing from the spirit of the present invention, and these are intended to be included in the scope of the present invention as defined in the appended claims.
Claims (10)
1. The dark brown low-shading low-radiation coated glass is characterized by comprising a white glass substrate and a film structure arranged on the surface of the white glass substrate, wherein the film structure comprises a first dielectric layer, a first copper layer, a first protective layer, a second dielectric layer, a second copper layer, a second protective layer, a third dielectric layer, a third copper layer, a third protective layer, a fourth dielectric layer and a fourth protective layer which are sequentially arranged from bottom to top.
2. The dark brown low sun-shading low emissivity coated glass of claim 1, wherein said first dielectric layer comprises a SiN layer and a ZnAlO layer.
3. The dark brown low sun-shading low emissivity coated glass of claim 1, wherein said first protective layer comprises a NiCr layer and a Ti layer.
4. The dark brown low-shading low-emissivity coated glass of claim 3, wherein said second protective layer and said third protective layer are both structurally identical to said first protective layer.
5. The dark brown low sun-shading low emissivity coated glass of claim 1, wherein said second dielectric layer comprises SiN, znSnO and ZnAlO layers.
6. The dark brown low sun-shading low emissivity coated glass of claim 5, wherein said third dielectric layer and said fourth dielectric layer are each of the same construction as said second dielectric layer.
7. The dark brown low-shading low-emissivity coated glass of claim 1, wherein said fourth protective layer is a SiN layer.
8. The dark brown low sun-shading low emissivity coated glass of claim 1, wherein said first copper layer has a thickness of 2-10nm; the thickness of the second copper layer is 5-20nm; the thickness of the third copper layer is 5-20nm.
9. The preparation method of dark brown low-shading low-emissivity coated glass according to any one of claims 1 to 8, which is characterized by adopting a vacuum magnetron sputtering coating technology and comprises the following steps:
and respectively depositing the first copper layer, the second copper layer and the third copper layer at corresponding positions of the film structure.
10. A hollow glass comprising the dark brown low solar protection low emissivity coated glass of any one of claims 1 to 8.
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