CN103396016B - A kind of low radiation coated glass and interlayer skylight glass thereof - Google Patents
A kind of low radiation coated glass and interlayer skylight glass thereof Download PDFInfo
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- CN103396016B CN103396016B CN201310340898.2A CN201310340898A CN103396016B CN 103396016 B CN103396016 B CN 103396016B CN 201310340898 A CN201310340898 A CN 201310340898A CN 103396016 B CN103396016 B CN 103396016B
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Abstract
The present invention relates to glass coating field; particularly a kind of low radiation coated glass; comprise glass substrate and low-emissivity coating; described low-emissivity coating comprises at least two medium layers and at least one infrared reflecting layer of the upwards alternately superposition from the surface of described glass substrate; it is characterized in that: the top of described low-emissivity coating is also provided with protective layer, described protective layer upwards comprises the first protection sublayer TiO successively from described glass substrate
2, second protection sublayer Si
3n
4with the 3rd protection sublayer SiO
2.A kind of interlayer skylight glass of this low-emissivity coating of application is also provided simultaneously.Advantage is: the composite protection layer arranged in the top of low-emissivity coating has superior thermostability and passivation effect; choose relatively thin protective layer thickness and namely effectively can protect low-emissivity coating; thus reduce the stippled appearance defect of film surface, the muted color of product appearance can also be kept simultaneously.
Description
Technical field:
The present invention relates to glass coating field, particularly a kind of low radiation coated glass and laminated glass thereof, low-emission coated interlayer skylight glass on a vehicle is especially installed.
Background technology:
Low radiation coated glass is also called low-e glass, it has the advantage such as high visible light transmissivity and high IR line reflection rate, the air conditioning energy consumption of automobile can be reduced significantly and improve the comfort level of officer and passenger, therefore on building and the vehicles, have the huge market requirement as a kind of Green Product, the low-e glass particularly with muted color is subject to everybody favor especially.Muted color is between red, yellow, blue three-color, its tone is soft, sedate, proper, generous, and color is not so become clear dazzling, can avoid eyestrain, feel easily to people's one, therefore the coated glass of muted color is aesthetic more welcomed by the people in manufacture.
Along with the development of technology, constantly occurring in recent years can tempering and can the low radiation coated glass product of hot bending, this product is mainly used in building glass field and shield glass field, but is still in blank at home with the automobile plated film interlayer panoramic roofs product of low radiation functions.
Panoramic sunroof of automobile is generally laminated glass, and the features such as degree of safety is high, broad view that it has are the symbols of luxurious luxury car in configuration of automobiles.But most of panoramic sunroof of automobile does not possess function of heat reflection, under being in sunshine for a long time, vehicle interior temperature is raised, need by air-conditioning refrigeration system in car to regulate vehicle interior temperature, a comfortable environment by bus can not be provided for passenger inside the vehicle like this, a good energy-saving consumption-reducing object cannot be reached again.
By two panels glass substrate, existing laminated glass product normally adds that intermediate polymer layer PVB is formed, coated laminated glass product is then plate low-emissivity coating on the surface of one of them of two panels glass substrate, and coated surface is towards PVB.Filming process is normally between pre-treatment and thermoforming process, when producing coated glass, be no matter glass surface before plated film or the film surface after plated film is subject to extraneous " pollution ", coated glass surface can be observed occur point-like macroscopic irregularity after coated glass thermoforming.Particularly adopt the sandwiched product of hot bending technology, low-emissivity coating is positioned at the internal surface of glass, during hot bending, two panels glass substrate must be stacked together and be placed on mould, two sheet glass are heated in softening process at the same time, low-emissivity coating will inevitably produce with the surface of adjacent glass substrate and directly or indirectly contact, if the cleanliness factor of adjacent glass baseplate surface is inadequate or there is dust, impurity, when oil stain etc. pollute, film surface then can be made after so contacting with rete to be destroyed, easy generation spot, the point-like of oil drop and so on or erose macroscopic irregularity.These spot defects are sometimes tiny and dim, for using the sandwiched product of transparent PVB, are not easy to find this spot defect under available light.But interlayer skylight product adopts grey PVB as intermediate polymer layer usually, under the setting off of grey PVB, these spot defects become particularly evident easily to be seen, have impact on the visual appearance of product so greatly, reduces the rate that manufactures a finished product of product.
Summary of the invention:
The present invention is directed to the problems referred to above that prior art exists, a kind of low radiation coated glass of mechanical stability, high high-temp stability and the neutral color with improvement is provided, a kind of interlayer skylight glass of this low radiation coated glass of application is also provided simultaneously.
The present invention solves the technical scheme that its technical problem takes: a kind of low radiation coated glass, comprise glass substrate and be arranged on glass substrate surface on low-emissivity coating, described low-emissivity coating comprises at least two medium layers and at least one infrared reflecting layer, described medium layer and infrared reflecting layer be upwards alternately superposition from the surface of described glass substrate, each infrared reflecting layer is between two medium layers, it is characterized in that: the top of described low-emissivity coating is also provided with protective layer, described protective layer upwards comprises the first protection sublayer successively from described glass substrate, second protection sublayer and the 3rd protection sublayer, described first protection sublayer is TiO
2rete, described second protection sublayer is Si
3n
4rete, described 3rd protection sublayer is SiO
2rete.
Further, the thickness of described first protection sublayer is 5 ~ 15nm.
Further, the total thickness of described second protection sublayer and described 3rd protection sublayer is 10 ~ 30nm.
Further, described medium layer is selected from least one in the oxide compound of the metals such as Zn, Sn, Si, Al, Ti, Zr, Nb, Ta, Bi, Ni, Cr or its alloy, or is selected from least one in the nitride of the metals such as Si, Al, Zr, Ti, Nb, Ta or its alloy, oxynitride.
Further, described infrared reflecting layer is the alloy layer of silver layer or argentiferous.
Further, barrier layer is set between described infrared reflecting layer and the medium layer near this infrared reflecting layer and on this infrared reflecting layer and/or lower barrier layer is set between described infrared reflecting layer and the medium layer near this infrared reflecting layer and under this infrared reflecting layer, the thickness of described upper barrier layer and lower barrier layer is 0.5 ~ 10nm, the material of described upper barrier layer and lower barrier layer is from Ti, Ni, Cr, Al, Zr, Zn, Nb, the metals such as Ta and alloy thereof, or the oxide compound of its metal and alloy thereof, nitride, oxynitride, incomplete oxidation thing, incomplete nitride, at least one is selected in incomplete oxynitride.
Further; described low-emissivity coating comprises two medium layers and an infrared reflecting layer, and described low-emissivity coating is upwards followed successively by from described glass substrate: barrier layer, upper medium layer and protective layer on lower medium layer, first time barrier layer, the first infrared reflecting layer, first.
Further; described low-emissivity coating comprises three medium layers and two infrared reflecting layers, and described low-emissivity coating is upwards followed successively by from described glass substrate: barrier layer, upper medium layer and protective layer on barrier layer on lower medium layer, first time barrier layer, the first infrared reflecting layer, first, first medium layer, second time barrier layer, the second infrared reflecting layer, second.
Further; described low-emissivity coating comprises four medium layers and three infrared reflecting layers, and described low-emissivity coating is upwards followed successively by from described glass substrate: barrier layer, upper medium layer and protective layer on barrier layer on barrier layer on lower medium layer, first time barrier layer, the first infrared reflecting layer, first, first medium layer, second time barrier layer, the second infrared reflecting layer, second, second dielectric layer, the 3rd time barrier layer, the 3rd infrared reflecting layer, the 3rd.
The present invention also provides a kind of interlayer skylight glass, comprise two blocks of glass and be clipped in the middle layer between described two blocks of glass, it is characterized in that: have at least one piece to be selected from above arbitrary described low radiation coated glass in described two blocks of glass, the low-emissivity coating of described low radiation coated glass is positioned at the one side near middle layer.
The present invention is owing to taking technique scheme, and it has following beneficial effect:
In the top of low-emissivity coating, TiO is set
2/ Si
3n
4/ SiO
2composite film is as protective layer; this protective layer has superior thermostability and passivation effect; choose relatively thin protective layer thickness and namely effectively can protect low-emissivity coating, thus reduce the stippled appearance defect of film surface, the muted color of product appearance can also be kept simultaneously.
Accompanying drawing illustrates:
Fig. 1 is the film structure schematic diagram of of the present invention pair of silver low-radiation coated glass;
Fig. 2 is the film structure schematic diagram of single silver low-radiation coated glass of the present invention;
Fig. 3 is the film structure schematic diagram of Three-silver-layer low-radiation coated glass of the present invention;
Fig. 4 is the structural representation of interlayer skylight glass of the present invention;
Attached number in the figure illustrates: 1 is glass substrate, 11 is the first glass substrate, 12 is the second glass substrate, 2 is middle layer, 3 is low-emissivity coating, 301 is lower medium layer, 302 is first time barrier layer, 303 is the first infrared reflecting layer, 304 is barrier layer on first, 305 is first medium layer, 306 is second time barrier layer, 307 is the second infrared reflecting layer, 308 is barrier layer on second, 309 is second dielectric layer, 310 is the 3rd time barrier layer, 311 is the 3rd infrared reflecting layer, 312 is barrier layer on the 3rd, 313 is upper medium layer, 41 is the first ink print limit, 42 is the second ink print limit, 5 is protective layer, 51 is the first protection sublayer, 52 is the second protection sublayer, 53 is the 3rd protection sublayer.
Embodiment:
Embodiment in the present invention is all discuss using automobile skylight glass as performance, but the present invention is not limited thereto, and the present invention can be the vehide transparent window of any type, such as overall or stacked front window, side window or rear window.
Below in conjunction with accompanying drawing, content of the present invention is described further.For clarity, each layer thickness in schematic diagram of the present invention is not drawn by actual proportions.
As shown in Figures 1 to 3, a kind of low radiation coated glass of the present invention, the low-emissivity coating 3 comprising glass substrate 1 and be arranged on glass substrate 1 surface, described low-emissivity coating 3 comprises at least two medium layers and at least one infrared reflecting layer, described medium layer and infrared reflecting layer be upwards alternately superposition from the surface of described glass substrate 1, each infrared reflecting layer is between two medium layers, it is characterized in that: the top of described low-emissivity coating 3 is also provided with protective layer 5, described protective layer 5 upwards comprises the first protection sublayer 51 successively from described glass substrate 1, second protection sublayer 52 and the 3rd protection sublayer 53, described first protection sublayer 51 is TiO
2rete, described second protection sublayer 52 is Si
3n
4rete, described 3rd protection sublayer 53 is SiO
2rete.The thickness of the first protection sublayer 51 is preferably 5 ~ 15nm, and the total thickness of the second protection sublayer 52 and the 3rd protection sublayer 53 is preferably 10 ~ 30nm.
Although Si
3n
4rete has higher physical strength, but due to Si
3n
4the great friction coefficient of rete, makes Si
3n
4/ SiO
2the abrasion hardness of duplicature is not enough.And TiO
2rete has higher density and abrasion hardness and thermostability, at Si
3n
4tiO is deposited under rete
2rete is not only conducive to improving Si
3n
4the sticking power of rete, forms a continuous print interface, and the TiO formed
2/ Si
3n
4/ SiO
2composite film can better improve rete thermostability at high temperature and abrasion hardness, the destroyed and abrasion in protective film surface effectively.
In the present invention, for protection infrared reflecting layer is not destroyed in film deposition and following process process, barrier layer can be set between described infrared reflecting layer and the medium layer near this infrared reflecting layer and on this infrared reflecting layer and/or be provided with lower barrier layer between described infrared reflecting layer and the medium layer near this infrared reflecting layer and under this infrared reflecting layer, the thickness of described upper barrier layer and lower barrier layer is 0.5 ~ 10nm, the material of described upper barrier layer and lower barrier layer is from Ti, Ni, Cr, Al, Zr, Zn, Nb, the metals such as Ta and alloy thereof, or the oxide compound of its metal and alloy thereof, nitride, oxynitride, incomplete oxidation thing, incomplete nitride, at least one is selected in incomplete oxynitride.
In the present invention, the major function of described infrared reflecting layer is for reflected infrared, reduce infrared rays transmission from low radiation coated glass, so the film material of described infrared reflecting layer can select can any material of reflected infrared, such as (but being not limited to) silver, gold, copper, aluminium etc., be preferably the alloy of silver or argentiferous in the present invention, wherein the alloy of argentiferous is preferably alloy that is silver-colored and at least one in gold, aluminium, copper in the present invention.All select silver in an embodiment of the present invention, effectively can reduce radiant ratio, improve heat insulation and heat-insulating property.In embodiment, the thickness of silver does not limit the scope of the invention, and can select, to provide the coated glass of low-E.In embodiments of the invention, preferred geometry thickness is that the silver of 8 ~ 20nm is as infrared reflecting layer.
Further, described medium layer is selected from least one in the oxide compound of the metals such as Zn, Sn, Si, Al, Ti, Zr, Nb, Ta, Bi, Ni, Cr or its alloy, or is selected from least one in the nitride of the metals such as Si, Al, Zr, Ti, Nb, Ta or its alloy, oxynitride.Be understandable that, described medium layer can comprise multiple sublayer.
Further; when described low radiation coated glass is single silver-colored structure; described low-emissivity coating comprises two medium layers and an infrared reflecting layer, and described low-emissivity coating 3 is upwards followed successively by from described glass substrate 1: barrier layer 304, upper medium layer 313 and protective layer 5 on lower medium layer 301, first time barrier layer 302, first infrared reflecting layer 303, first.
Further; when described low radiation coated glass is two silver-colored structure; described low-emissivity coating comprises three medium layers and two infrared reflecting layers, and described low-emissivity coating 3 is upwards followed successively by from described glass substrate: barrier layer 308, upper medium layer 313 and protective layer 5 on barrier layer 304, first medium layer 305, second time barrier layer 306, second infrared reflecting layer 307, second on lower medium layer 301, first time barrier layer 302, first infrared reflecting layer 303, first.
Further, when described low radiation coated glass is three silver medal structure, described low-emissivity coating comprises four medium layers and three infrared reflecting layers, described low-emissivity coating 3 is upwards followed successively by from described glass substrate: lower medium layer 301, first time barrier layer 302, first infrared reflecting layer 303, barrier layer 304 on first, first medium layer 305, second time barrier layer 306, second infrared reflecting layer 307, barrier layer 308 on second, second dielectric layer 309, 3rd time barrier layer 310, 3rd infrared reflecting layer 311, barrier layer 312 on 3rd, upper medium layer 313 and protective layer 5.
As shown in Figure 4, the present invention also provides a kind of interlayer skylight glass, comprise the first glass substrate 11, middle layer 2, second glass substrate 12, low-emissivity coating 3, first ink print limit 41 and the second ink print limit 42, the low-emissivity coating 3 that described first glass substrate 11 is arranged is positioned at the one side near middle layer 2, also be provided with between first glass substrate 11 and low-emissivity coating 3 in the one side of the first ink print limit 41, second glass substrate 12 away from middle layer 2 and be provided with the second ink print limit 42.Wherein, middle layer 2 is conventional laminated glass intermediate polymer, as PVB and EVA etc.In fact, middle layer 2, low-emissivity coating 3 and the first ink print limit 41 fit tightly, and can not there is gap as illustrated in the drawing, what structural representation represented is its hierarchical structure, is not actual effect figure.
Below enumerate specific embodiment to set forth in more detail the present invention.
Comparative example 1 ~ 5 and embodiment 1 ~ 2
Comparative example 1 ~ 5 and embodiment 1 ~ 2 adopt two silver low-radiation coated glass as shown in Figure 1, and its film structure is upwards followed successively by from glass substrate 1: medium layer 313/ protective layer 5 on barrier layer 308/ on barrier layer 304/ first medium layer 305/ second time barrier layer 306/ second infrared reflecting layer 307/ second on lower medium layer 301/ first time barrier layer 302/ first infrared reflecting layer 303/ first.
As shown in Figure 4, the transparent float glass that first glass substrate 11 adopts 2.0mm thick is after cutting, edging, washing, oven dry, silk screen printing, sintering, again through plated film washing machine washing and drying again, then adopt the shield technology of Chinese patent 200920077797.X to be blocked on the first ink print limit 41 be arranged on the first glass substrate 11 surface, finally the first glass substrate 11 entered vacuum magnetron sputtering coating film room with shield simultaneously and plate successively:
[ZnSnOx (20nm)/AZO (10nm)]/TiOx (2nm)/Ag (10nm)/TiOx (3nm)/[ZnSnOx (55nm)/AZO (10nm)]/TiOx (2nm)/Ag (13nm)/TiOx (3nm)/[AZO (8nm)/ZnSnOx (20nm)]/protective layer
Wherein, AZO is the zinc oxide mixing aluminium, and ZnSnOx/AZO combination layer is as medium layer, and two silver low-emissivity coatings of comparative example 1 ~ 5 and embodiment 1 ~ 2 adopt protective layer as shown in table 1 below respectively.Needs particularly point out, and oxide compound ZnSnOx (x=2.5) and the TiOx (x=1.6) of above-mentioned each rete are nonstoichiometry or partial oxidation.Such as in TiOx rete, 0 < x≤2, as x=2, this layer is TiO
2, as 0 < x < 2, this layer is the TiO of incomplete oxidation
2.According to the rete of incomplete oxidation, so these oxide membranous layers energy preferential absorption oxygen in heat treatment process, thus avoid functional layer silver layer to be oxidized, and ZnSnOx and TiOx after hot bending in the finished product rete is the form of complete oxidation.
The transparent float glass that second glass substrate 12 adopts 2.0mm thick obtains through techniques such as cutting, edging, washing, oven dry, printing, oven dry.Insulating powder is sprayed being coated with on the first glass substrate 11 of low-emissivity coating 3 by powder spraying system, match with the second glass substrate 12 printing limit 42 with the second ink again, then the two panels glass substrate matched is placed on to dry and bending mould enters baking and bending furnace to carry out baking curved, two pairs of glass substrates after drying curved completing are washed, dry, close the operations such as sheet, first pressing, high pressure, packaging, final obtained plated film interlayer panoramic roofs glass.
When drying curved, the superposition of two panels glass substrate is placed on together and dries that bending mould carries out baking is curved, and the first glass substrate 11 being wherein close to mould is called as " sheet ", and the second glass substrate 12 be stacked on " sheet " is called " small pieces ".Low-emissivity coating 3 is positioned on " sheet " and the side in close middle layer (PVB).
Table 1: comparative example 1 ~ 5 and the contrast of embodiment 1 ~ 2 film structure
As shown in the data in table 1, comparative example 1 uses TiO
2rete is as protective layer, and this rete easily produces more spot defect after sandwiched product hot bending.TiO is used respectively in comparative example 2 and comparative example 3
2/ Si
3n
4and TiO
2/ SiO
2as protective layer, work as Si
3n
4or SiO
2but although the quantity effect that can reduce spot defect during the thinner thickness of rete is to a certain extent unsatisfactory.Comparative example 4 and comparative example 5 are by increasing Si
3n
4or SiO
2the thickness of rete can better protective film, thus reduces spot defect quantity, but causes Film color to have greatly changed even departing from muted color due to the increase of thickness, cause adverse influence to product appearance.
Embodiment 1 and embodiment 2 adopt TiO
2/ Si
3n
4/ SiO
2rete is as protective layer, and the thermostability superior due to it and passivation effect, choose relatively thin thicknesses of layers and namely effectively can protect low-emissivity coating, thus reduces the stippled appearance defect of film surface, can also keep the muted color of product appearance simultaneously.
In embodiment 1 and embodiment 2, Si
3n
4/ SiO
2duplicature is through high-temperature heat treatment, and its passivation effect, thermostability and alkali resistant metal ion transport ability are all better than single Si
3n
4rete or SiO
2rete, under equal conditions uses Si
3n
4/ SiO
2duplicature can more effectively protective film be surperficial, prevents rete to be destroyed under the high temperature conditions.Although Si
3n
4rete has higher physical strength, but due to Si
3n
4the great friction coefficient of rete, makes Si
3n
4/ SiO
2the abrasion hardness of duplicature is not enough.And TiO
2rete has higher density and abrasion hardness and thermostability, at Si
3n
4tiO is deposited under rete
2rete is not only conducive to improving Si
3n
4the sticking power of rete, forms a continuous print interface, and the TiO formed
2/ Si
3n
4/ SiO
2composite film can better improve rete thermostability at high temperature and abrasion hardness, the destroyed and abrasion in protective film surface effectively.
Embodiment 3
Embodiment 3 adopts single silver low-radiation coated glass as shown in Figure 2, and its film structure is upwards followed successively by from glass substrate 1: medium layer 313/ protective layer 5 on barrier layer 304/ on lower medium layer 301/ first time barrier layer 302/ first infrared reflecting layer 303/ first.
As shown in Figure 4, the transparent float glass that first glass substrate 11 adopts 2.0mm thick is after cutting, edging, washing, oven dry, silk screen printing, sintering, again through plated film washing machine washing and drying again, then adopt the shield technology of Chinese patent 200920077797.X to be blocked on the first ink print limit 41 be arranged on the first glass substrate 11 surface, finally the first glass substrate 11 entered vacuum magnetron sputtering coating film room with shield simultaneously and plate successively:
[ZnSnOx(20nm)/AZO(10nm)]/TiOx(2nm)/Ag(10nm)/TiOx(3nm)/[AZO(10nm)/ZnSnOx(10nm)]/[TiO
2(10nm)/Si
3N
4(12nm)/SiO
2(10nm)]
Wherein, AZO is the zinc oxide mixing aluminium, and ZnSnOx/AZO combination layer is as medium layer, and this single silver low-emissivity coatings adopts TiO
2/ Si
3n
4/ SiO
2combination layer is as protective layer.It is important to note that the oxide compound ZnSnOx (x=2.5) of above-mentioned each rete and TiOx (x=1.6) is nonstoichiometry or partial oxidation.Such as in TiOx rete, 0 < x≤2, as x=2, this layer is TiO
2, as 0 < x < 2, this layer is the TiO of incomplete oxidation
2.According to the rete of incomplete oxidation, so these oxide membranous layers can preferential absorption oxygen in heat treatment process, thus avoid functional layer silver layer to be oxidized, and after hot bending the finished product rete in ZnSnOx and TiOx be all the form of complete oxidation.
The transparent float glass that second glass substrate 12 adopts 2.0mm thick obtains through techniques such as cutting, edging, washing, oven dry, printing, oven dry.Insulating powder is sprayed being coated with on the first glass substrate 11 of low-emissivity coating 3 by powder spraying system, match with the second glass substrate 12 printing limit 42 with the second ink again, then the two panels glass substrate matched is placed on to dry and bending mould enters baking and bending furnace to carry out baking curved, two pairs of glass substrates after drying curved completing are washed, dry, close the operations such as sheet, first pressing, high pressure, packaging, final obtained plated film interlayer panoramic roofs glass.
When drying curved, the superposition of two panels glass substrate is placed on together and dries that bending mould carries out baking is curved, and the first glass substrate 11 being wherein close to mould is called as " sheet ", and the second glass substrate 12 be stacked on " sheet " is called " small pieces ".Low-emissivity coating 3 is positioned on " sheet " and the side in close middle layer (PVB).
The face sheet resistance finally recording this low-emissivity coating is 4.6 Ω/, and spot defect quantity is 2 ~ 4/square, and the diameter of spot defect is 1 ~ 2mm, and the color value of product is L*=33, a*=2.1, b*=-6.From above-mentioned data, the stippled appearance defect of this film surface is few, can also keep the muted color of product appearance simultaneously.
Embodiment 4
Embodiment 4 adopts Three-silver-layer low-radiation coated glass as shown in Figure 3, and its film structure is upwards followed successively by from glass substrate 1: medium layer 313/ protective layer 5 on barrier layer 312/ on barrier layer 308/ second dielectric layer 309/ the 3rd time barrier layer 310/ the 3rd infrared reflecting layer 311/ the 3rd on barrier layer 304/ first medium layer 305/ second time barrier layer 306/ second infrared reflecting layer 307/ second on lower medium layer 301/ first time barrier layer 302/ first infrared reflecting layer 303/ first.
As shown in Figure 4, the transparent float glass that first glass substrate 11 adopts 2.0mm thick is after cutting, edging, washing, oven dry, silk screen printing, sintering, again through plated film washing machine washing and drying again, then adopt the shield technology of Chinese patent 200920077797.X to be blocked on the first ink print limit 41 be arranged on the first glass substrate 11 surface, finally the first glass substrate 11 entered vacuum magnetron sputtering coating film room with shield simultaneously and plate successively:
[ZnSnOx(20nm)/AZO(10nm)]/TiOx(2nm)/Ag(10nm)/TiOx(3nm)/[ZnSnOx(55nm)/AZO(10nm)]/TiOx(2nm)/Ag(13nm)/TiOx(3nm)/[ZnSnOx(45nm)/AZO(10nm)]/TiOx(2nm)/Ag(13nm)/TiOx(3nm)/[AZO(10nm)/ZnSnOx(10nm)]/[TiO
2(10nm)/Si
3N
4(12nm)/SiO
2(10nm)]
Wherein, AZO is the zinc oxide mixing aluminium, and ZnSnOx/AZO combination layer is as medium layer, and this three-silver low radiation coating adopts TiO
2/ Si
3n
4/ SiO
2combination layer is as protective layer.It is important to note that the oxide compound ZnSnOx (x=2.5) of above-mentioned each rete and TiOx (x=1.6) is nonstoichiometry or partial oxidation.Such as in TiOx rete, 0 < x≤2, as x=2, this layer is TiO
2, as 0 < x < 2, this layer is the TiO of incomplete oxidation
2.According to the rete of incomplete oxidation, so these oxide membranous layers can preferential absorption oxygen in heat treatment process, thus avoid functional layer silver layer to be oxidized, and after hot bending the finished product rete in ZnSnOx and TiOx be all the form of complete oxidation.
The transparent float glass that second glass substrate 12 adopts 2.0mm thick obtains through techniques such as cutting, edging, washing, oven dry, printing, oven dry.Insulating powder is sprayed being coated with on the first glass substrate 11 of low-emissivity coating 3 by powder spraying system, match with the second glass substrate 12 printing limit 42 with the second ink again, then the two panels glass substrate matched is placed on to dry and bending mould enters baking and bending furnace to carry out baking curved, two pairs of glass substrates after drying curved completing are washed, dry, close the operations such as sheet, first pressing, high pressure, packaging, final obtained plated film interlayer panoramic roofs glass.
When drying curved, the superposition of two panels glass substrate is placed on together and dries that bending mould carries out baking is curved, and the first glass substrate 11 being wherein close to mould is called as " sheet ", and the second glass substrate 12 be stacked on " sheet " is called " small pieces ".Low-emissivity coating 3 is positioned on " sheet " and the side in close middle layer (PVB).
The face sheet resistance finally recording this low-emissivity coating is 1.5 Ω/, and spot defect quantity is 2 ~ 6/square, and spot defect diameter is 1 ~ 2mm, and the color value of product is L*=32, a*=-2, b*=-4.From above-mentioned data, the stippled appearance defect of this coatingsurface is few, can also keep the muted color of product appearance simultaneously.
Above content specifically describes a kind of low radiation coated glass of the present invention and interlayer skylight glass thereof; but the present invention is not by the limitation of embodiment content described above; the any improvement carried out according to technical essential of the present invention so all, equivalent modifications and replacement etc., all belong to the scope of protection of the invention.
Claims (8)
1. a low radiation coated glass, low-emissivity coating (3) on the surface comprising glass substrate (1) and be arranged on glass substrate (1), described low-emissivity coating (3) comprises at least two medium layers and at least one infrared reflecting layer, described medium layer and infrared reflecting layer be upwards alternately superposition from the surface of described glass substrate (1), each infrared reflecting layer is between two medium layers, it is characterized in that: the top of described low-emissivity coating (3) is also provided with protective layer (5), described protective layer (5) upwards comprises the first protection sublayer (51) successively from described glass substrate (1), second protection sublayer (52) and the 3rd protection sublayer (53), described first protection sublayer (51) is TiO
2rete, described second protection sublayer (52) is Si
3n
4rete, described 3rd protection sublayer (53) is SiO
2rete, the thickness of described first protection sublayer (51) is 5 ~ 15nm, and the total thickness of described second protection sublayer (52) and described 3rd protection sublayer (53) is 10 ~ 30nm.
2. low radiation coated glass according to claim 1, it is characterized in that: described medium layer is selected from least one in the simple substance of Zn, Sn, Si, Al, Ti, Zr, Nb, Ta, Bi, Ni, Cr or the oxide compound of its alloy, or be selected from least one in the nitride of the simple substance of Si, Al, Zr, Ti, Nb, Ta or its alloy, oxynitride.
3. low radiation coated glass according to claim 1, is characterized in that: described infrared reflecting layer is the alloy layer of silver layer or argentiferous.
4. low radiation coated glass according to claim 1, it is characterized in that: barrier layer is set between described infrared reflecting layer and the medium layer near this infrared reflecting layer and on this infrared reflecting layer and/or lower barrier layer is set between described infrared reflecting layer and the medium layer near this infrared reflecting layer and under this infrared reflecting layer, the thickness of described upper barrier layer and lower barrier layer is 0.5 ~ 10nm, the material of described upper barrier layer and lower barrier layer is from Ti, Ni, Cr, Al, Zr, Zn, Nb, Ta metal and alloy thereof, or the oxide compound of its metal and alloy thereof, nitride, oxynitride, incomplete oxidation thing, incomplete nitride, at least one is selected in incomplete oxynitride.
5. according to the arbitrary described low radiation coated glass of Claims 1 to 4; it is characterized in that: described low-emissivity coating (3) comprises two medium layers and an infrared reflecting layer, and described low-emissivity coating (3) is upwards followed successively by from described glass substrate (1): barrier layer (304), upper medium layer (313) and protective layer (5) on lower medium layer (301), first time barrier layer (302), the first infrared reflecting layer (303), first.
6. according to the arbitrary described low radiation coated glass of Claims 1 to 4, it is characterized in that: described low-emissivity coating (3) comprises three medium layers and two infrared reflecting layers, described low-emissivity coating (3) is upwards followed successively by from described glass substrate (1): lower medium layer (301), first time barrier layer (302), first infrared reflecting layer (303), barrier layer (304) on first, first medium layer (305), second time barrier layer (306), second infrared reflecting layer (307), barrier layer (308) on second, upper medium layer (313) and protective layer (5).
7. according to the arbitrary described low radiation coated glass of Claims 1 to 4, it is characterized in that: described low-emissivity coating (3) comprises four medium layers and three infrared reflecting layers, described low-emissivity coating (3) is upwards followed successively by from described glass substrate (1): lower medium layer (301), first time barrier layer (302), first infrared reflecting layer (303), barrier layer (304) on first, first medium layer (305), second time barrier layer (306), second infrared reflecting layer (307), barrier layer (308) on second, second dielectric layer (309), 3rd time barrier layer (310), 3rd infrared reflecting layer (311), barrier layer (312) on 3rd, upper medium layer (313) and protective layer (5).
8. an interlayer skylight glass, comprise two blocks of glass and be clipped in the middle layer (2) between described two blocks of glass, it is characterized in that: have at least one piece to be selected from the arbitrary described low radiation coated glass of claim 1 ~ 7 in described two blocks of glass, the low-emissivity coating (3) of described low radiation coated glass is positioned at the one side near middle layer (2).
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| CN104029440A (en) * | 2014-05-22 | 2014-09-10 | 杭州电子科技大学 | Offline low-emissivity glass coated film system |
| US10253560B2 (en) * | 2017-03-03 | 2019-04-09 | Guardian Glass, LLC | Coated article with IR reflecting layer(s) and overcoat for improving solar gain and visible transmission |
| CN109467320A (en) * | 2018-04-27 | 2019-03-15 | 福耀玻璃(湖北)有限公司 | A kind of on-line coating and film-removing technology of shield glass |
| CN111606576A (en) * | 2020-04-26 | 2020-09-01 | 苏州华东镀膜玻璃有限公司 | High-stability temperable off-line double-silver Low-E coated glass and preparation method thereof |
| CN113831027A (en) * | 2021-10-25 | 2021-12-24 | 苏州瑞纳新材料科技有限公司 | Low-E glass film and preparation process thereof |
| CN114057407A (en) * | 2021-12-23 | 2022-02-18 | 福建省万达汽车玻璃工业有限公司 | Coated glass and laminated glass |
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| FR2793889B1 (en) * | 1999-05-20 | 2002-06-28 | Saint Gobain Vitrage | TRANSPARENT SUBSTRATE WITH ANTI-REFLECTIVE COATING |
| CN201458971U (en) * | 2009-07-02 | 2010-05-12 | 福耀集团（上海）汽车玻璃有限公司 | Contour-bendable low-radiation coated glass |
| CN102745906B (en) * | 2012-07-26 | 2014-10-22 | 福耀玻璃工业集团股份有限公司 | Low radiation coated glass and sandwich glass product thereof |
| CN102757185B (en) * | 2012-07-26 | 2014-08-20 | 福耀玻璃工业集团股份有限公司 | Low-radiation heat-treatable coated glass and interlayer glass product thereof |
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