CN103396015A - Low-emissivity coated laminated skylight glass - Google Patents
Low-emissivity coated laminated skylight glass Download PDFInfo
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Abstract
The invention relates to the field of glass coating, in particular to a low-emissivity coated laminated skylight glass, which comprises a first glass substrate, a middle layer and a second glass substrate. The inner surface of the first glass substrate is provided with a first ink printed side and a low-emissivity coating in order. The first ink printed side and the low-emissivity coating are overlapped, and the first ink printed side is positioned around the marginal area of the first glass substrate. In the low-emissivity coating, a lower blocking layer is disposed below an infrared reflective layer. The first layer of the lower blocking layer is a TiNbOx or TiNbNx or TiNbOxNy film layer, and the second layer is a Ti or NiCr film layer. The invention has the advantages that: the coated film is on the outer glass, so that the glass can have a better low-emissivity function, and play a great role in energy saving and emission reduction; the low-emissivity coating and the ink printed side are overlapped, the film removal process is simple, and the production cost is saved; and the disposed bilayer blocking layer reduces the temperature difference at the junction, and also protects a silver layer from being oxidized.
Description
Technical field:
The present invention relates to the glass coating field, particularly a kind of low-emission coated interlayer skylight glass that is arranged on the vehicles.
Background technology:
Low radiation coated glass is called again low-e glass, it has the advantages such as high visible light transmissivity and high IR line reflection rate, can reduce significantly the air conditioning energy consumption of automobile and the comfort level that improves officer and passenger, therefore as a kind of Green Product, building and the huge market requirement is arranged above the vehicles, the low-e glass that particularly has muted color is subject to everybody favor especially.Muted color is between between red, yellow, blue three-color, its tone is soft, sedate, proper, generous, and color is not to become clear so dazzlingly, can avoid eyestrain, give the people a kind of sensation easily, so the coated glass of muted color is aesthetic more welcomed by the people in manufacture.
Development along with technology, occurred constantly in recent years that but but tempering reached the low radiation coated glass product of hot bending, this product is mainly used in building glass field and shield glass field, yet still is at home blank with the automobile plated film interlayer panorama skylight product of low radiation functions.
According to national Specification, the visible transmission of shield glass is greater than 70% than TL, and the TL of panorama skylight product is generally less than 50%, even less than 30%.Panoramic sunroof of automobile is generally laminated glass, and the characteristics such as degree of safety is high, broad view that it has, be the symbol of luxurious luxury car in configuration of automobiles.But most of panoramic sunroof of automobiles do not possess function of heat reflection, be in for a long time under sunshine and make vehicle interior temperature raise, need by the refrigeration system in car to regulate vehicle interior temperature, can not, for passenger in car provides a comfortable environment by bus, can't reach again a good energy-saving consumption-reducing purpose like this.
Existing sandwiched product adopts " drying by the fire curved " technology to carry out moulding to glass mostly, and the laminated glass baking must be stacked together two sheet glass substrates when curved, is placed on special-purpose baking bending mould and then enters in baking and bending furnace and carry out hot bending.For with printing ink, printing the glass on limit, due to easily heat absorption of printing ink itself, therefore in the hot bending process, the temperature that prints edge regions with printing ink usually will be higher than non-seal edge regions.Particularly, for the sandwiched product of plated film, because rete has function of heat reflection, when baking is curved, strengthened especially the temperature difference of glass seal edge regions and non-seal edge regions intersection.This larger altitude temperature difference effect makes the partial coating zone of this intersection be heated inequality and occurs that radiant ratio increases, and mist degree increases, the bad phenomenon such as colour-darkening.
A kind of existing low-emission coated interlayer skylight glass as shown in Figure 1, from car, comprise successively outside to inside the first glass substrate 11, middle layer 2 and the second glass substrate 12, the outside surface that the internal surface of the internal surface of the first glass substrate 11 and the second glass substrate 12 is respectively arranged with the first printing ink seal limit 41 and the second printing ink seal limit 42, the second glass substrates 12 also is provided with low-emissivity coating 3.Although the skylight glass of this structure has been avoided printing ink to print limit and with low-emissivity coating, has been contacted the altitude temperature difference effect that causes, but because middle layer PVB is positioned on low-emissivity coating, the part infrared rays is directly absorbed by middle layer PVB without the reflection of low-emissivity coating, and by thermal conduction in car, sun power barrier property for product is disadvantageous like this, makes total solar energy transmittance Tts increase.
A kind of existing low-emission coated interlayer front windscreen glass as shown in Figure 2, from car, comprise successively outside to inside the first glass substrate 11, middle layer 2 and the second glass substrate 12, the internal surface that the internal surface of the first glass substrate 11 and the second glass substrate 12 is respectively arranged with the first printing ink seal limit 41 and the second printing ink seal limit 42, the first glass substrates 11 also is provided with low-emissivity coating 3.To print edge regions larger with the temperature difference of non-seal edge regions due to glass, and for fear of low-emissivity coating 3 inequality of being heated, described the first printing ink seal limit 41 and described low-emissivity coating 3 are not overlapping.The printing ink of windshield prints the hem width degree usually less than 15mm, and the printing ink of skylight glass seal limit is in covering car inside gadget and demand attractive in appearance, the width that its printing ink prints limit surpasses 200mm usually, even surpass 300mm, it is wider that printing ink prints limit, non-seal edge regions is just fewer, has reduced so to a certain extent the area of the low-e plated film that is plated in non-seal edge regions, has reduced the effect of heat insulation of product.And the area that prints limit due to the printing ink of skylight product is larger, needs the zone of membrane removal large, more difficult realization during production, and cost is higher.
Summary of the invention:
The present invention is directed to the above problem that prior art exists, a kind of low-emission coated interlayer skylight glass with improved sun power barriering effect and visual appearance is provided.
The present invention solves the technical scheme that its technical problem takes: a kind of low-emission coated interlayer skylight glass, from car, comprise successively outside to inside the first glass substrate, middle layer and the second glass substrate, it is characterized in that: from the surface in the close described middle layer of described the first glass substrate, upwards be disposed with the first printing ink and print limit and low-emissivity coating, described the first printing ink seal limit and low-emissivity coating are overlapping, and described the first printing ink prints the zone, edge that limit is positioned at the first glass substrate.
Further, the edge region division on the surface away from middle layer of described the second glass substrate has the second printing ink to print limit, the interior profile that described the first printing ink prints limit to the distance at the edge of the first glass substrate greater than 200mm.
further, described low-emissivity coating comprises at least two medium layers and at least one infrared reflecting layer, described medium layer and infrared reflecting layer are from the upwards alternately stack of the surface of described the first glass substrate, each infrared reflecting layer is between two medium layers, the top of described low-emissivity coating also is provided with protective layer, it is characterized in that: have an infrared reflecting layer and the most close this infrared reflecting layer at least and between the medium layer under this infrared reflecting layer, be provided with lower barrier layer, described lower barrier layer comprises the first sublayer of lower barrier layer and the second sublayer of lower barrier layer, the first sublayer of described lower barrier layer is than the more close described glass substrate in the second sublayer of described lower barrier layer, the first sublayer of described lower barrier layer is TiNbOx or TiNbNx or TiNbOxNy rete, the second sublayer of described lower barrier layer is Ti or NiCr rete, wherein, TiNbOx rete, 0<x<2, the TiNbNx rete, 0<x<2, the TiNbOxNy rete, 0<x<2,0<y<2, y/x<0.3.
Further, the thickness of the first sublayer of described lower barrier layer is greater than 10nm, and the thickness of the second sublayer of described lower barrier layer is less than 2nm, and in the first sublayer of described lower barrier layer, the weight percent of Nb is below 10%.
Further, described infrared reflecting layer and the most close this infrared reflecting layer and between the medium layer on this infrared reflecting layer, be provided with barrier layer, the material of described upper barrier layer is from metal and alloys thereof such as Ti, Ni, Cr, Al, Zr, Zn, Nb, Ta, or the oxide compound of its metal and alloy thereof, nitride, oxynitride, incomplete oxidation thing, not exclusively nitride, not exclusively select in oxynitride at least a.
When described low-emissivity coating comprised an infrared reflecting layer, described low-emissivity coating upwards was followed successively by from described glass substrate: barrier layer, upper medium layer and protective layer on the first sublayer of lower medium layer, first time barrier layer, the second sublayer of first time barrier layer, the first infrared reflecting layer, first.
When described low-emissivity coating comprised two infrared reflecting layers, described low-emissivity coating upwards was followed successively by from described glass substrate: barrier layer, upper medium layer and protective layer on the second sublayer of barrier layer, first medium layer, the first sublayer of second time barrier layer, second time barrier layer, the second infrared reflecting layer, second on the first sublayer of lower medium layer, first time barrier layer, the second sublayer of first time barrier layer, the first infrared reflecting layer, first.
when described low-emissivity coating comprises three infrared reflecting layers, described low-emissivity coating upwards is followed successively by from described glass substrate: lower medium layer, the first sublayer of first time barrier layer, the second sublayer of first time barrier layer, the first infrared reflecting layer, barrier layer on first, the first medium layer, the first sublayer of second time barrier layer, the second sublayer of second time barrier layer, the second infrared reflecting layer, barrier layer on second, the second medium layer, the first sublayer of the 3rd time barrier layer, the second sublayer of the 3rd time barrier layer, the 3rd infrared reflecting layer, barrier layer on the 3rd, upper medium layer and protective layer.
The present invention is owing to having taked technique scheme, and it has following beneficial effect:
1) plated film of the present invention is positioned on glass outer, makes glass possess better sun power barriering effect, plays the effect of good energy-saving and emission-reduction.
2) it is overlapping that plated film of the present invention and printing ink print limit, increased the plated film area, improves the effect of heat insulation of product; Also reduced simultaneously the membrane removal region area on printing ink seal limit, film-removing technology is simple, saves production cost.
3), by barrier layer is set below infrared reflecting layer, be conducive to improve performance and apparent defect that intersection that product printing ink in heat-processed prints limit and plated film produces due to the temperature difference; Simultaneously can also protect silver layer not oxidized, also can not produce too high photoabsorption, be conducive to like this improve the stability of product in heat-processed and the final heat-proof quality of product.
The accompanying drawing explanation:
Fig. 1 is the structural representation of a kind of low-emission coated interlayer skylight glass of the prior art;
Fig. 2 is the structural representation of a kind of low-emission coated interlayer front windscreen glass of the prior art;
Fig. 3 is the structural representation of low-emission coated interlayer skylight glass of the present invention;
Fig. 4 is the film structure schematic diagram of of the present invention pair of silver low-radiation coated glass;
Fig. 5 is the film structure schematic diagram of single silver low-radiation coated glass of the present invention;
Fig. 6 is the film structure schematic diagram of Three-silver-layer low-radiation coated glass of the present invention;
attached number in the figure explanation: 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, 3021 is the first sublayer of first time barrier layer, 3022 is the second sublayer of first time barrier layer, 303 is the first infrared reflecting layer, 304 is barrier layer on first, 305 is the first medium layer, 306 is second time barrier layer, 3061 is the first sublayer of second time barrier layer, 3062 is the second sublayer of second time barrier layer, 307 is the second infrared reflecting layer, 308 is barrier layer on second, 309 is the second medium layer, 310 is the 3rd time barrier layer, 3101 is the first sublayer of the 3rd time barrier layer, 3102 is the second sublayer of the 3rd time barrier layer, 311 is the 3rd infrared reflecting layer, 312 is barrier layer on the 3rd, 313 is upper medium layer, 314 is protective layer, 41 is that the first printing ink prints limit, 42 is that the second printing ink prints limit, 5 is the juncture area that the first printing ink prints limit and low-emissivity coating.
Embodiment:
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 in true ratio.In fact Fig. 1 does not exist to the gap shown in Fig. 3, adjacent should fit tightly between two-layer, and what structural representation represented is its hierarchical structure, is not actual effect figure.In addition, Fig. 4 is to the structure of Fig. 6 mainly for explanation low-emissivity coating 3, and the first printing ink seal limit 41 between the first glass substrate 11 and low-emissivity coating 3 is not omitted draws.
As shown in Figure 3, a kind of low-emission coated interlayer skylight glass of the present invention, from car, comprise successively outside to inside the first glass substrate 11, middle layer 2 and the second glass substrate 12, it is characterized in that: from the surface in the close described middle layer 2 of described the first glass substrate 11, upwards be disposed with the first printing ink and print limit 41 and low-emissivity coating 3, described the first printing ink seal limit 41 and low-emissivity coating 3 are overlapping, and described the first printing ink prints the zone, edge that limit 41 is positioned at the first glass substrate 11.Wherein, middle layer 2 is for laminated glass intermediate polymer commonly used, and as PVB and EVA etc., the juncture area 5 of the first printing ink seal limit and low-emissivity coating refers to and is positioned at the preglabellar field zone that the first printing ink prints the profile on limit 41.
as shown in Fig. 4～6, 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 are from the upwards alternately stack of the surface of described the first glass substrate 11, each infrared reflecting layer is between two medium layers, the top of described low-emissivity coating also is provided with protective layer, it is characterized in that: have an infrared reflecting layer and the most close this infrared reflecting layer at least and between the medium layer under this infrared reflecting layer, be provided with lower barrier layer, described lower barrier layer comprises the first sublayer of lower barrier layer and the second sublayer of lower barrier layer, the first sublayer of described lower barrier layer is than the more close described glass substrate in the second sublayer of described lower barrier layer, the second sublayer of described lower barrier layer directly contacts with this infrared reflecting layer, the first sublayer of described lower barrier layer is TiNbOx or TiNbNx or TiNbOxNy rete, the second sublayer of described lower barrier layer is Ti or NiCr rete, wherein, TiNbOx rete, 0<x<2, the TiNbNx rete, 0<x<2, the TiNbOxNy rete, 0<x<2,0<y<2, y/x<0.3.
Two silver low-radiation coated glass as shown in Figure 4, film structure upwards is followed successively by from described the first glass substrate 11: barrier layer 308, upper medium layer 313 and protective layer 314 on barrier layer 304 on lower medium layer 301, first time barrier layer 302, the first infrared reflecting layer 303, first, first medium layer 305, second time barrier layer 306, the second infrared reflecting layer 307, second.Wherein, first time barrier layer 302 is divided into the first sublayer 3021 of first time barrier layer and 3022, the second times, the second sublayer barrier layer 306 of first time barrier layer is divided into the first sublayer 3061 of second time barrier layer and the second sublayer 3062 of second time barrier layer.
Single silver low-radiation coated glass as shown in Figure 5, film structure upwards is followed successively by from described the first glass substrate 11: barrier layer 304, upper medium layer 313 and protective layer 314 on lower medium layer 301, first time barrier layer 302, the first infrared reflecting layer 303, first.Wherein, first time barrier layer 302 is divided into the first sublayer 3021 of first time barrier layer and the second sublayer 3022 of first time barrier layer.
Three-silver-layer low-radiation coated glass as shown in Figure 6, film structure upwards is followed successively by from described the first glass substrate 11: barrier layer 312, upper medium layer 313 and protective layer 314 on barrier layer 308 on barrier layer 304 on lower medium layer 301, first time barrier layer 302, the first infrared reflecting layer 303, first, first medium layer 305, second time barrier layer 306, the second infrared reflecting layer 307, second, second medium layer 309, the 3rd time barrier layer 310, the 3rd infrared reflecting layer 311, the 3rd.Wherein, first time barrier layer 302 is divided into the first sublayer 3021 of first time barrier layer and the second sublayer 3022 of first time barrier layer, second time barrier layer 306 is divided into the first sublayer 3061 of second time barrier layer and 3062, the three times, the second sublayer barrier layer 310 of second time barrier layer is divided into the first sublayer 3101 of the 3rd time barrier layer and the second sublayer 3102 of the 3rd time barrier layer.
Due to easily heat absorption of printing ink itself, and low-emissivity coating reflecting heat, so more strengthened the temperature difference of glass seal edge regions and non-seal edge regions when hot bending.This larger altitude temperature difference effect makes the partial coating zone of this intersection inequality of being heated occur that radiant ratio increases, the bad defects such as mist degree increase.
Titanium oxide, titanium nitride or titanium oxynitrides blocking oxygen and alkalimetal ion effectively when hot bending, make silver layer not oxidized or destroy, and based on metal niobium in the titanium target doped be beneficial to stop when the deposition large-sized crystal formation.When titanium oxide, titanium nitride or titanium oxynitrides are very thin, do not possess good absorptive character to change the crystalline orientation of Ag, when increasing the thickness of titanium oxide, titanium nitride or titanium oxynitrides, can be used as absorption layer, when heating, absorbing " energy " then discharges at the place, bed interface again, thereby improve the local temperature on this layer, improve directly or indirectly the crystallization property of silver layer, help to improve the radiant ratio of low-emissivity coating and reduce mist degree.When but titanium oxide, titanium nitride or titanium oxynitrides absorption layer directly contact with silver layer; the destruction that the oxidation of this absorption layer under high temperature action may be brought out silver layer; therefore between titanium oxide, titanium nitride or titanium oxynitrides layer and silver layer, add metal level titanium layer or the nicr layer that one deck is thin; the metal level that this layer is thin makes silver layer stable and do not reduce its crystallizing power when thermal treatment; protect simultaneously silver layer, also can not produce too high photoabsorption.
in the present invention, for the protection infrared reflecting layer is not destroyed in film deposition and following process processing, can and barrier layer be set between the medium layer on this infrared reflecting layer at described infrared reflecting layer and the most close this infrared reflecting layer, the thickness of described upper barrier layer is 0.5～10nm, the material of described upper barrier layer is from Ti, Ni, Cr, Al, Zr, Zn, Nb, metal and the alloys thereof such as Ta, or the oxide compound of its metal and alloy thereof, nitride, oxynitride, the incomplete oxidation thing, incomplete nitride, not exclusively in oxynitride, select at least a.
In the present invention, the major function of described infrared reflecting layer is for reflected infrared, reduce infrared rays from transmission low radiation coated glass, so the film material of described infrared reflecting layer can be selected any material that can reflected infrared, such as (but being not limited to) silver, gold, copper, aluminium etc., be preferably in the present invention the alloy of silver or argentiferous, wherein the alloy of argentiferous is preferably alloy at least a in silver and gold, aluminium, copper in the present invention.All select in an embodiment of the present invention silver, can effectively reduce radiant ratio, improved heat insulation and heat-insulating property.In embodiment, the thickness of silver does not limit the scope of the invention, and can select, so that the coated glass of low-E to be provided.In embodiments of the invention, preferred geometry thickness is that the silver of 8～20nm is as infrared reflecting layer.
In the present invention; described protective layer 314 is mainly to provide additional chemistry and mechanical robustness in the transportation storage process; so that the stability of low-emission coated product to be provided; the present invention does not limit the kind of the film material of described protective layer 314, for example titanium dioxide (the TiO that all knows of those of ordinary skills
2), silicon nitride (Si
3N
4), zirconium dioxide (ZrO
2), titanium (Ti), silicon-dioxide (SiO
2) etc., the thickness of described protective layer 314 should be in the thickness range that enough protection can be provided, and in embodiments of the invention, the thickness of preferred described protective layer 314 is 0.5～50nm.
For inventive point of the present invention is described better, below in conjunction with specific embodiment, the present invention is carried out to more detailed elaboration.
Comparative Examples 1～2 and embodiment 1～4
Two silver low-radiation coated glass that Comparative Examples 1～2 and embodiment 1～4 adopts as shown in Figure 4, its film structure upwards is followed successively by from glass substrate 1: medium layer 313/ protective layer 314 on barrier layer 308/ on 305/ second time barrier layer of barrier layer 304/ first medium layer, 306/ second infrared reflecting layer 307/ second on 301/ first time barrier layer of lower medium layer, 302/ first infrared reflecting layer 303/ first.Wherein, first time barrier layer 302 is divided into the first sublayer 3021 of first time barrier layer and 3022, the second times, the second sublayer barrier layer 306 of first time barrier layer is divided into the first sublayer 3061 of second time barrier layer and the second sublayer 3062 of second time barrier layer.
As shown in Figure 3, the first glass substrate 11 adopts transparent float glass that 2.0mm are thick after cutting, edging, washing, oven dry, silk screen printing, sintering, pass through again plated film washing machine washing and drying again, then adopt the shield technology of Chinese patent 200920077797.X will be arranged on lip-deep the first printing ink seal limit 41 partial occlusions of the first glass substrate 11, finally the first glass substrate 11 is entered to the vacuum magnetron sputtering coating film chamber simultaneously with shield and plate successively film structure as shown in table 1 below.
The film structure contrast experiment of table 1 Comparative Examples 1～2 and embodiment 1～4
Wherein, AZO is the zinc oxide of mixing aluminium, and the ZnSnOx/AZO combination layer is as medium layer.Need to particularly point out, the oxide compound of above-mentioned each rete comprises that ZnSnOx (x=2.5) and TiOx (x=1.6) are nonstoichiometry or partial oxidation.For example in the TiOx rete, 0<x≤2, when x=2, this layer is TiO
2, when 0<x<2, this layer is the TiO of incomplete oxidation
2.If adopt the rete of incomplete oxidation, these oxide membranous layers can preferential absorption oxygen in heat treatment process so, thereby avoid functional layer silver layer generation oxidation, and after hot bending, the ZnSnOx in the rete of the finished product and TiOx are the form of complete oxidation.
The second glass substrate 12 adopts the transparent float glass that 2.0mm is thick to make through techniques such as cutting, edging, washing, oven dry, printing, oven dry.By powder spraying system, spray insulating powder being coated with on the first glass substrate 11 of low-emissivity coating 3, with the second glass substrate 12 that prints limit 42 with the second printing ink, match again, then the two sheet glass substrates that matched being placed on to baking enters baking and bending furnace on bending mould and dries by the fire curved, by two pairs of glass substrates after curved the completing of baking, wash, dry, close the operations such as sheet, first pressing, high pressure, packing, finally make plated film interlayer panorama skylight glass.
Dry by the fire when curved two sheet glass substrates stacks and be placed on together and on the baking bending mould, dry by the fire curvedly, the first glass substrate 11 of wherein being close to mould is called as " sheet ", and the second glass substrate 12 that is stacked on " sheet " is called " small pieces ".Low-emissivity coating 3 is positioned at a side in " sheet " upper and close middle layer (PVB).
The face sheet resistance of the region intermediate of the low-emissivity coating 3 in Comparative Examples 1 is 3.0 Ω/, and mist degree is 0.3%; The face sheet resistance of the juncture area 5 of the first printing ink seal limit 41 and low-emissivity coating 3 is than large 1～3 Ω of face sheet resistance of the region intermediate of low-emissivity coating 3/, the mist degree of this juncture area is 10.2%, and observe under available light, this juncture area is compared with the region intermediate of low-emissivity coating 3 and obviously dimmed phenomenon occurred.
Comparative Examples 2 adopts the lower barrier layer of TiNbOx as the infrared reflecting layer below, and in this Comparative Examples, the face sheet resistance of the region intermediate of low-emissivity coating 3 is 3.8 Ω/, and mist degree is 0.4%; And the face sheet resistance of the juncture area 5 of the first printing ink seal limit 41 and low-emissivity coating 3 is 4.2 Ω/, and the mist degree of this juncture area is 1.8%.Although Comparative Examples 2 has reduced mist degree difference and sheet resistance difference between the region intermediate of this juncture area and low-emissivity coating 3 to a certain extent, but because TiNbOx causes the sheet resistance of low-emissivity coating 3 to increase in silver layer oxidation at the interface under hot conditions, thereby have influence on to a certain extent the performance of product.
Single silver low-radiation coated glass that embodiment 5 adopts as shown in Figure 5, its film structure upwards is followed successively by from glass substrate 1: medium layer 313/ protective layer 314 on barrier layer 304/ on 301/ first time barrier layer of lower medium layer, 302/ first infrared reflecting layer 303/ first.Wherein, first time barrier layer 302 is divided into the first sublayer 3021 of first time barrier layer and the second sublayer 3022 of first time barrier layer.
As shown in Figure 3, the first glass substrate 11 adopts transparent float glass that 2.0mm are thick after cutting, edging, washing, oven dry, silk screen printing, sintering, pass through again plated film washing machine washing and drying again, then adopt the shield technology of Chinese patent 200920077797.X will be arranged on lip-deep the first printing ink of the first glass substrate 11 and print limit 41 and block, finally the first glass substrate 11 is entered to the vacuum magnetron sputtering coating film chamber simultaneously with shield and plate successively:
[ZnSnOx(25nm)/AZO(10nm)]/[TiNbOx(15nm)/Ti(0.5nm)]/Ag(10nm)/TiOx(3nm)/[AZO(10nm)/ZnSnOx(20nm)]/TiO
2(10nm)
Wherein, AZO is the zinc oxide of mixing aluminium, and the ZnSnOx/AZO combination layer is as medium layer, and the TiNbOx/Ti combination layer is as lower barrier layer.It needs to be noted, the oxide compound of above-mentioned each rete comprises that ZnSnOx (x=2.5) and TiOx (x=1.6) are nonstoichiometry or partial oxidation.For example in the TiOx rete, 0<x≤2, when x=2, this layer is TiO
2, when 0<x<2, this layer is the TiO of incomplete oxidation
2.If adopt the rete of incomplete oxidation, these oxide membranous layers can preferential absorption oxygen in heat treatment process so, thereby avoid functional layer silver layer generation oxidation, and after hot bending, the ZnSnOx in the rete of the finished product and TiOx are the form of complete oxidation.
The second glass substrate 12 adopts the transparent float glass that 2.0mm is thick to make through techniques such as cutting, edging, washing, oven dry, printing, oven dry.By powder spraying system, spray insulating powder being coated with on the first glass substrate 11 of low-emissivity coating 3, with the second glass substrate 12 that prints limit 42 with the second printing ink, match again, then the two sheet glass substrates that matched being placed on to baking enters baking and bending furnace on bending mould and dries by the fire curved, by two pairs of glass substrates after curved the completing of baking, wash, dry, close the operations such as sheet, first pressing, high pressure, packing, finally make plated film interlayer panorama skylight glass.
Dry by the fire when curved two sheet glass substrates stacks and be placed on together and on the baking bending mould, dry by the fire curvedly, the first glass substrate 11 of wherein being close to mould is called as " sheet ", and the second glass substrate 12 that is stacked on " sheet " is called " small pieces ".Low-emissivity coating 3 is positioned at a side in " sheet " upper and close middle layer (PVB).
According to this example, the face sheet resistance Rs=4.5 Ω/ of the low radiation interlayer skylight glass that makes; Total solar energy transmittance Tts=34%; The ratio Tts/TL=2.4 of total solar energy transmittance Tts and visible light tranmittance TL; Car external reflectance color value is: L*=30, a*=-1, b*=-6; Reflectivity Rl=11%.As can be known from above-mentioned data, this coating not only has good low radiance, can also keep the muted color of product appearance simultaneously, meets the vehicle glass industry standard.
Embodiment 6
Embodiment 6 adopts Three-silver-layer low-radiation coated glass as shown in Figure 6, and its film structure upwards is followed successively by from glass substrate 1: medium layer 313/ protective layer 314 on barrier layer 312/ on the 3rd time barrier layer 310/ the 3rd infrared reflecting layer 311/ the 3rd of barrier layer 308/ second medium layer 309/ on 305/ second time barrier layer of barrier layer 304/ first medium layer, 306/ second infrared reflecting layer 307/ second on 301/ first time barrier layer of lower medium layer, 302/ first infrared reflecting layer 303/ first.Wherein, first time barrier layer 302 is divided into the first sublayer 3021 of first time barrier layer and the second sublayer 3022 of first time barrier layer, second time barrier layer 306 is divided into the first sublayer 3061 of second time barrier layer and 3062, the three times, the second sublayer barrier layer 310 of second time barrier layer is divided into the first sublayer 3101 of the 3rd time barrier layer and the second sublayer 3102 of the 3rd time barrier layer.
As shown in Figure 3, the first glass substrate 11 adopts transparent float glass that 2.0mm are thick after cutting, edging, washing, oven dry, silk screen printing, sintering, pass through again plated film washing machine washing and drying again, then adopt the shield technology of Chinese patent 200920077797.X will be arranged on lip-deep the first printing ink of the first glass substrate 11 and print limit 41 and block, finally the first glass substrate 11 is entered to the vacuum magnetron sputtering coating film chamber simultaneously with shield and plate successively:
[ZnSnOx(25nm)/AZO(10nm)]/[TiNbOx(15nm)/Ti(0.5nm)]/Ag(10nm)/TiOx(3nm)/[ZnSnOx(55nm)/AZO(10nm)]/[TiNbOx(15nm)/Ti(0.5nm)]/Ag(13nm)/TiOx(3nm)/[ZnSnOx(45nm)/AZO(10nm)]/[TiNbOx(15nm)/Ti(0.5nm)]/Ag(13nm)/TiOx(3nm)/[AZO(10nm)/ZnSnOx(20nm)]/TiO
2(10nm)
Wherein, AZO is the zinc oxide of mixing aluminium, and the ZnSnOx/AZO combination layer is as medium layer, and TiNbOx/Ti is as lower barrier layer.This three-silver low radiation coating adopts TiO
2/ Si
3N
4/ SiO
2Combination layer is as protective layer.It needs to be noted, the oxide compound of above-mentioned each rete comprises that ZnSnOx (x=2.5) and TiOx (x=1.6) are nonstoichiometry or partial oxidation.For example in the TiOx rete, 0<x≤2, when x=2, this layer is TiO
2, when 0<x<2, this layer is the TiO of incomplete oxidation
2.If adopt the rete of incomplete oxidation, these oxide membranous layers can preferential absorption oxygen in heat treatment process so, thereby avoid functional layer silver layer generation oxidation, and after hot bending, the ZnSnOx in the rete of the finished product and TiOx are the form of complete oxidation.
The second glass substrate 12 adopts the transparent float glass that 2.0mm is thick to make through techniques such as cutting, edging, washing, oven dry, printing, oven dry.By powder spraying system, spray insulating powder being coated with on the first glass substrate 11 of low-emissivity coating 3, with the second glass substrate 12 that prints limit 42 with the second printing ink, match again, then the two sheet glass substrates that matched being placed on to baking enters baking and bending furnace on bending mould and dries by the fire curved, by two pairs of glass substrates after curved the completing of baking, wash, dry, close the operations such as sheet, first pressing, high pressure, packing, finally make plated film interlayer panorama skylight glass.
Dry by the fire when curved two sheet glass substrates stacks and be placed on together and on the baking bending mould, dry by the fire curvedly, the first glass substrate 11 of wherein being close to mould is called as " sheet ", and the second glass substrate 12 that is stacked on " sheet " is called " small pieces ".Low-emissivity coating 3 is positioned at a side in " sheet " upper and close middle layer (PVB).
According to this example, the face sheet resistance Rs=1.4 Ω/ of the plated film interlayer panorama skylight glass that makes; Total solar energy transmittance Tts=25%; The ratio Tts/TL=2.1 of total solar energy transmittance Tts and visible light tranmittance TL; Car external reflectance color value is: L*=30, a*=-2, b*=-5; Reflectivity Rl=5%.As can be known from above-mentioned data, this coating not only has good low radiance, can also keep the muted color of product appearance simultaneously, meets the vehicle glass industry standard.
Above content specifically describes a kind of low-emission coated interlayer skylight glass of the present invention; but the present invention is not subjected to the limitation of embodiment content described above; so any improvement, equivalent modifications and replacement etc. that all foundations technical essential of the present invention is carried out, all belong to the scope of protection of the invention.
Claims (10)
1. low-emission coated interlayer skylight glass, from car, comprise successively outside to inside the first glass substrate (11), middle layer (2) and the second glass substrate (12), it is characterized in that: from the surface in the close described middle layer (2) of described the first glass substrate (11), upwards be disposed with the first printing ink and print limit (41) and low-emissivity coating (3), described the first printing ink seal limit (41) and low-emissivity coating (3) are overlapping, and described the first printing ink prints the zone, edge that limit (41) is positioned at described the first glass substrate (11).
2. low-emission coated interlayer skylight glass according to claim 1 is characterized in that: the interior profile that described the first printing ink prints limit (41) to the distance at the edge of described the first glass substrate (11) greater than 200mm.
3. low-emission coated interlayer skylight glass according to claim 1 is characterized in that: the edge region division on the surface away from middle layer (2) of described the second glass substrate (12) has the second printing ink to print limit (42).
4. according to claim 1～3 arbitrary described low-emission coated interlayer skylight glasses, described low-emissivity coating comprises at least two medium layers and at least one infrared reflecting layer, described medium layer and infrared reflecting layer are from the upwards alternately stack of the surface of described the first glass substrate (1), each infrared reflecting layer is between two medium layers, the top of described low-emissivity coating also is provided with protective layer, it is characterized in that: described infrared reflecting layer and the most close this infrared reflecting layer and between the medium layer under this infrared reflecting layer, be provided with lower barrier layer, described lower barrier layer comprises the first sublayer of lower barrier layer and the second sublayer of lower barrier layer, the first sublayer of described lower barrier layer is than more close described the first glass substrate in the second sublayer of described lower barrier layer, the first sublayer of described lower barrier layer is TiNbOx or TiNbNx or TiNbOxNy rete, the second sublayer of described lower barrier layer is Ti or NiCr rete, wherein, TiNbOx rete, 0<x<2, the TiNbNx rete, 0<x<2, the TiNbOxNy rete, 0<x<2,0<y<2, y/x<0.3.
5. low-emission coated interlayer skylight glass according to claim 4, it is characterized in that: the thickness of the first sublayer of described lower barrier layer is greater than 10nm, and the thickness of the second sublayer of described lower barrier layer is less than 2nm.
6. low-emission coated interlayer skylight glass according to claim 4, it is characterized in that: in the first sublayer of described lower barrier layer, the weight percent of Nb is below 10%.
7. low-emission coated interlayer skylight glass according to claim 4, it is characterized in that: described infrared reflecting layer and the most close this infrared reflecting layer and between the medium layer on this infrared reflecting layer, be provided with barrier layer, the material of described upper barrier layer is from metal and alloys thereof such as Ti, Ni, Cr, Al, Zr, Zn, Nb, Ta, or the oxide compound of its metal and alloy thereof, nitride, oxynitride, incomplete oxidation thing, not exclusively nitride, not exclusively select in oxynitride at least a.
8. low-emission coated interlayer skylight glass according to claim 7; it is characterized in that: described low-emissivity coating comprises two medium layers and an infrared reflecting layer, and described low-emissivity coating upwards is followed successively by from described the first glass substrate (11): barrier layer (304), upper medium layer (313) and protective layer (314) on second sublayer (3022) of first sublayer (3021) of lower medium layer (301), first time barrier layer, first time barrier layer, the first infrared reflecting layer (303), first.
9. low-emission coated interlayer skylight glass according to claim 7, it is characterized in that: described low-emissivity coating comprises three medium layers and two infrared reflecting layers, described low-emissivity coating upwards is followed successively by from described the first glass substrate (11): lower medium layer (301), first sublayer (3021) of first time barrier layer, second sublayer (3022) of first time barrier layer, the first infrared reflecting layer (303), barrier layer on first (304), first medium layer (305), first sublayer (3061) of second time barrier layer, second sublayer (3062) of second time barrier layer, the second infrared reflecting layer (307), barrier layer on second (308), upper medium layer (313) and protective layer (314).
10. low-emission coated interlayer skylight glass according to claim 7, it is characterized in that: described low-emissivity coating comprises four medium layers and three infrared reflecting layers, described low-emissivity coating upwards is followed successively by from described the first glass substrate (11): lower medium layer (301), first sublayer (3021) of first time barrier layer, second sublayer (3022) of first time barrier layer, the first infrared reflecting layer (303), barrier layer on first (304), first medium layer (305), first sublayer (3061) of second time barrier layer, second sublayer (3062) of second time barrier layer, the second infrared reflecting layer (307), barrier layer on second (308), second medium layer (309), first sublayer (3101) of the 3rd time barrier layer, second sublayer (3102) of the 3rd time barrier layer, the 3rd infrared reflecting layer (311), barrier layer on the 3rd (312), upper medium layer (313) and protective layer (314).
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| CN105501032A (en) * | 2015-12-03 | 2016-04-20 | 福耀玻璃工业集团股份有限公司 | Laminated glass capable of emitting light |
| CN113735460A (en) * | 2021-08-25 | 2021-12-03 | 福建省万达汽车玻璃工业有限公司 | Coated glass, method for producing same, and vehicle window |
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