CN102795793A - Electrically-heatable low-emissivity coated laminated glass - Google Patents
Electrically-heatable low-emissivity coated laminated glass Download PDFInfo
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- CN102795793A CN102795793A CN2012103332921A CN201210333292A CN102795793A CN 102795793 A CN102795793 A CN 102795793A CN 2012103332921 A CN2012103332921 A CN 2012103332921A CN 201210333292 A CN201210333292 A CN 201210333292A CN 102795793 A CN102795793 A CN 102795793A
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- laminated glass
- coated laminated
- radiation film
- film
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- 239000005340 laminated glass Substances 0.000 title claims abstract description 45
- 239000011521 glass Substances 0.000 claims abstract description 54
- 239000004820 Pressure-sensitive adhesive Substances 0.000 claims abstract description 36
- 239000000758 substrate Substances 0.000 claims abstract description 24
- 229920000642 polymer Polymers 0.000 claims abstract description 18
- 230000005855 radiation Effects 0.000 claims description 72
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 29
- 229910052709 silver Inorganic materials 0.000 claims description 29
- 239000004332 silver Substances 0.000 claims description 29
- 238000010438 heat treatment Methods 0.000 claims description 24
- 239000011888 foil Substances 0.000 claims description 13
- 229910052751 metal Inorganic materials 0.000 claims description 12
- 239000002184 metal Substances 0.000 claims description 12
- 239000003292 glue Substances 0.000 claims description 10
- 239000005357 flat glass Substances 0.000 claims description 7
- 229920002037 poly(vinyl butyral) polymer Polymers 0.000 claims description 7
- 241000877463 Lanio Species 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 6
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 4
- 229910044991 metal oxide Inorganic materials 0.000 claims description 4
- 150000004706 metal oxides Chemical class 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 34
- 239000000463 material Substances 0.000 abstract description 20
- 230000008569 process Effects 0.000 abstract description 19
- 238000004519 manufacturing process Methods 0.000 abstract description 13
- 238000002310 reflectometry Methods 0.000 abstract description 5
- 238000005485 electric heating Methods 0.000 abstract description 4
- 239000000853 adhesive Substances 0.000 abstract 1
- 230000001070 adhesive effect Effects 0.000 abstract 1
- 238000010276 construction Methods 0.000 abstract 1
- 238000002844 melting Methods 0.000 abstract 1
- 230000008018 melting Effects 0.000 abstract 1
- 239000010408 film Substances 0.000 description 99
- 239000010410 layer Substances 0.000 description 90
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 40
- 239000011787 zinc oxide Substances 0.000 description 20
- 229910004205 SiNX Inorganic materials 0.000 description 15
- 239000010944 silver (metal) Substances 0.000 description 14
- 238000005516 engineering process Methods 0.000 description 11
- 229910003087 TiOx Inorganic materials 0.000 description 8
- HLLICFJUWSZHRJ-UHFFFAOYSA-N tioxidazole Chemical compound CCCOC1=CC=C2N=C(NC(=O)OC)SC2=C1 HLLICFJUWSZHRJ-UHFFFAOYSA-N 0.000 description 8
- PJXISJQVUVHSOJ-UHFFFAOYSA-N indium(iii) oxide Chemical compound [O-2].[O-2].[O-2].[In+3].[In+3] PJXISJQVUVHSOJ-UHFFFAOYSA-N 0.000 description 6
- 239000002002 slurry Substances 0.000 description 6
- 238000003475 lamination Methods 0.000 description 5
- 238000010257 thawing Methods 0.000 description 5
- 238000007669 thermal treatment Methods 0.000 description 5
- 230000007704 transition Effects 0.000 description 5
- 238000013461 design Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000001755 magnetron sputter deposition Methods 0.000 description 4
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 description 3
- 238000000137 annealing Methods 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 3
- 238000000151 deposition Methods 0.000 description 3
- 229910052733 gallium Inorganic materials 0.000 description 3
- 238000007731 hot pressing Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 238000004544 sputter deposition Methods 0.000 description 3
- 239000007858 starting material Substances 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 238000007373 indentation Methods 0.000 description 2
- 229910052738 indium Inorganic materials 0.000 description 2
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 238000005036 potential barrier Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000007639 printing Methods 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- ZTQSAGDEMFDKMZ-UHFFFAOYSA-N Butyraldehyde Chemical compound CCCC=O ZTQSAGDEMFDKMZ-UHFFFAOYSA-N 0.000 description 1
- 229910004613 CdTe Inorganic materials 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 229910006404 SnO 2 Inorganic materials 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- GEIAQOFPUVMAGM-UHFFFAOYSA-N ZrO Inorganic materials [Zr]=O GEIAQOFPUVMAGM-UHFFFAOYSA-N 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052787 antimony Inorganic materials 0.000 description 1
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 description 1
- 239000010953 base metal Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000010946 fine silver Substances 0.000 description 1
- 239000007792 gaseous phase Substances 0.000 description 1
- 238000013003 hot bending Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 229910052746 lanthanum Inorganic materials 0.000 description 1
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000010327 methods by industry Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
- 239000012815 thermoplastic material Substances 0.000 description 1
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
Images
Abstract
The invention relates to the field of laminated glass, particularly a laminated glass with high heat reflectivity and electric heating function applicable to the field of vehicles or construction, more particularly an automobile windshield glass installed on a vehicle. The electrically-heatable low-emissivity coated laminated glass comprises two glass substrates, a middle polymer sandwiched between the two glass substrates, low-emissivity film and a bus, wherein the low-emissivity film is arranged on at least one glass substrate surface in contact with the middle polymer; the bus is distributed on the low-emissivity film; and the bus is a pressure-sensitive adhesive or anisotropic conductive adhesive. According to the electrically-heatable low-emissivity coated laminated glass provided by the invention, the ACF (anisotropic conductive film) or PSA (pressure-sensitive adhesive) is used as the bus in combination with the low-emissivity film to heat the laminated glass, thereby removing frost and melting ice; and thus, compared with the adoption of other buses, the invention simplifies the production technique, is convenient to operate, lowers the material cost and enhances the production efficiency and process yield.
Description
Technical field:
The present invention relates to the laminated glass field, particularly relate to a kind of laminated glass that is applied to the vehicles or building field and has high heat reflectivity and electric heating function, especially be installed in the automobile wind shield glass on the vehicles.
Background technology:
Under arctic weather; Often frosting is icing easily on vehicle glass and the building glass; Influence in the automobile and the people's sight in the building; Particularly automobile wind shield glass must provide the good visual field to the driver, could guarantee the safety and the comfortableness of driving, so just necessarily requires automobile wind shield glass to have the function of defrosting ice-melt.The function of this defrosting ice-melt can realize through automobile wind shield glass being carried out electrically heated; And traditional laminated glass is by two blocks of transparent glasses be clipped in that two intermediate polymer between the transparent glass form, and this traditional laminated glass can not realize above-mentioned functions through electrically heated.
Along with the development of technology, known electric current is heated and improve the temperature of automobile wind shield glass through the heating unit (for example wire or common conductive coating) that is laminated in the automobile wind shield glass, thereby reach the function of defrosting ice-melt.For example U.S. Pat 5540961 (A) discloses and has adopted filament, particularly superfine metal tungsten wire to be laid in the technical scheme in the interlayer of automotive front baffle glass, and this scheme can realize the function of defrosting and ice-melt through Electric heating.Yet a problem of the described electrically heated automobile wind shield glass of this patent is that officer and the passenger in the car can know sees that these filaments, the existence of these filaments can influence aesthetics and can cause interference to the visibility meter of windshield.
Simultaneously, according to the requirement of energy-saving and emission-reduction, low-carbon environment-friendly, the coated glass with high heat reflectivity more and more is widely used, and can be clear that, above-mentioned electrically heated glass based on filament does not possess the high heat reflectivity that meets the demands.But at present known in the industry a kind of not only electrically heated but also the coated glass with high heat reflectivity are that ITO or the FTO film that utilizes physical gas-phase deposite method or chemical gaseous phase depositing process to make realized electric heating function, can realize that the height of visible light sees through functions such as (>=70%) and reflected infrared simultaneously.Yet the ITO of high visible light transmissivity (>=70%) or the resistance per square of FTO film be general >=10 Ω/, be unfavorable for the use of vehicle-mounted voltage (being no more than 42V usually) from heating efficiency.
For reducing the resistance per square of conductive coating as heating unit; U.S. Pat 6472636 (B1) discloses a kind of method that adopts the money base low radiation film as heating unit; Adopt the money base low radiation film as the resistance per square of heating unit between 1 ~ 5 Ω/; Satisfy the request for utilization of vehicle-mounted voltage, have better infra-red heat reflection function simultaneously.But the disclosed bus that is used for being used with money base low radiation film heating unit of this patent has adopted printed silver slurry and solidified method; Printed silver slurry, roasting solidification technical process are too complicated in actual production, and production efficiency, good article rate and cost etc. are had certain influence.For example in this patent, mention; The silver slurry is in high-temperature process; Fine silver particle can be penetrated in the money base low radiation film rete and go; Thereby realize that bus contacts with the good of conductive film layer of money base low radiation film, but in fact this process method requires very strictness to the pyroprocessing control process, the finished product are easy to generate defective; And in the printing process because contacting of plane half tone and glass coating face also causes the slurry contamination of plated film face easily, and then causes the local failure phenomenon of rete microtexture after the pyroprocessing.A kind of in addition process method that can expect is a first printed silver slurry, curing again, plated film, heat-treating profiled, but the technical process of this method is more complicated, and the thermal treatment meeting destroys being electrically connected of conductive film layer that bus and money base low-radiation film be.
Chinese patent CN201119031Y disclose a kind of can intelligent electrically heated heat reflection coated laminated glass; In this patent; Said low radiation film is by oxide skin, transition layer, silver layer, transition layer, the resist silver-colored structure of list that is composited of totally 5 tunics, or by oxide skin, transition layer, silver layer, transition layer, silver layer, transition layer, the resist two silver-colored multilayer film structure that is composited of totally 7 tunics; Said bus is conducting material, tackiness agent or metal strip, can print or be attached on the low-radiation film.Yet, not should be mentioned that, said low radiation film and bus to be electrically connected characteristic not very good.With the metal strip is example; The electrical connection properties of the low radiation film of these metal strips and said structure; Even after lamination treatment, still inevitably can produce bigger contact resistance, thereby cause the loss of voltage on the bus track in the part; Show as the bus place and form irregular focus, this is not allowed to.
Summary of the invention:
Technical problem to be solved by this invention is in order to alleviate or to eliminate the bus hot issue, improve money base low radiation film structure and simplify the bus manufacturing process flow, provide a kind of can electrically heated low-emission coated laminated glass.
The present invention solves the technical scheme that its technical problem takes: a kind of can electrically heated low-emission coated laminated glass; Comprise two sheet glass substrates and be clipped in the intermediate polymer between the two sheet glass substrates; Also comprise low radiation film and bus; Said low radiation film is arranged at least one glass baseplate surface that contacts with intermediate polymer, on said low radiation film, lays bus, it is characterized in that: said bus is pressure sensitive adhesive or anisotropy conductiving glue.
Preferably, said low radiation film comprises a silver layer at least.
Preferably, the outermost layer of said low radiation film is the transparent conductive metal oxide membranous layer.
Further, said transparent conductive oxide rete is ITO, AZO, ATO, IZO, GZO, IGZO, IMO and LaNiO
3In a kind of.
Preferably, said pressure sensitive adhesive or anisotropy conductiving glue contain metallic foil.
Further, said metallic foil outside surface is provided with tin coating.
Further, said metallic foil surface is provided with the metal wire joint.
Alternatively, in the glass baseplate surface of said low radiation film is not set, have at least a surface that anti-reflection film is set, said anti-reflection film is a multilayer film.
Preferably, said intermediate polymer is polyvinyl butyral or Injecatable EVA Copolymer, and its thickness range is 10 microns to 10 millimeters.
Further, said intermediate polymer is a polyvinyl butyral, and thickness range is 0.5 millimeter to 2 millimeters.
Preferably, the resistance per square of said low radiation film is 0.4 ~ 4.5 Ω/.
Further, the resistance per square of said low radiation film is 0.6 ~ 2.5 Ω/.
Further, said low radiation film provides 200 ~ 1000W/m under the power supply supply of voltage≤36V
2Heating power density.
The present invention is owing to taked technique scheme, and it has following beneficial effect:
Thereby ACF or the PSA of can electrically heated low-emission coated laminated glass utilizing of the present invention heats the defrosting ice-melt as the busbar combination low radiation film to laminated glass; Compare like this and adopt other buses; Simplified production process; Handled easily has reduced material cost and has improved production efficiency and process rate; Usually PSA or the certain temperature and pressure condition of ACF material require realize conduction; And the heat pressing process condition of laminating technology condition in the manufacturing processed of laminated glass of the present invention and PSA or ACF material is similar; Therefore the hot pressing flow process that can practice thrift PSA or ACF material is simplified technology; Simultaneously, still can form the good electrical contact performance after the outermost layer money base low-radiation film that comprises the transparent conductive oxide rete ties up to thermal treatment with PSA.
Description of drawings:
Fig. 1 is the sectional view of low-emission coated laminated glass of the present invention;
Fig. 2 is that a kind of bus of low-emission coated laminated glass of the present invention is laid synoptic diagram;
Fig. 3 is that the another kind of bus of low-emission coated laminated glass of the present invention is laid synoptic diagram;
Fig. 4 is that the third bus of low-emission coated laminated glass of the present invention is laid synoptic diagram;
Fig. 5 structural representation that comprises the low radiation film embodiment of a silver layer of the present invention;
Fig. 6 structural representation that comprises the low radiation film embodiment of two silver layers of the present invention;
Fig. 7 structural representation that comprises the low radiation film embodiment of three silver layers of the present invention.
Embodiment:
Below in conjunction with accompanying drawing content of the present invention is described further.
As shown in Figure 1; Of the present invention a kind of can electrically heated low-emission coated laminated glass; Comprise two sheet glass substrates 1,2 and be clipped in two sheet glass substrates 1, the intermediate polymer between 23 that also comprise low radiation film 4 and bus 5, said low radiation film 4 is arranged at least one glass baseplate surface that contacts with intermediate polymer 3; On said low radiation film 4, lay bus 5, wherein said bus 5 is pressure sensitive adhesive or anisotropy conductiving glue.Thereby said low radiation film 4 not only reflected infrared plays heat-reflecting function, thereby and can heat glass as electrically heated heating unit; Thereby electric energy can carried and distribute to said bus as electrode and with power connection.
Wherein, Said bus 5 is pressure sensitive adhesive (PSA) or anisotropy conductiving glue (ACF); Pressure sensitive adhesive (PSA) or anisotropy conductiving glue (ACF) not only have gumminess but also have electroconductibility; So pressure sensitive adhesive (PSA) or anisotropy conductiving glue (ACF) can directly fit on the low radiation film 4 as bus 5, thereby simplified in the past bus through printing or be welded to the process engineering on the low radiation film.
Simultaneously, usually PSA or the certain temperature and pressure condition of ACF material require realize conduction, for example thermocompressor equipment commonly used in the electronic industry, so PSA or the ACF material further hot-pressing processing operation of still needing.Laminated glass of the present invention, the heat pressing process condition of laminating technology condition in its manufacturing processed and PSA or ACF material is similar, and the hot pressing flow process that therefore can practice thrift PSA or ACF material is simplified technology.
Laying synoptic diagram like Fig. 2, Fig. 3 and three kinds of buses of the present invention shown in Figure 4 can know: 51,52 are bus among Fig. 2, and 3 is low radiation film; 53,54 is bus among Fig. 3, and 3 is low radiation film; 55,56,57,58 are bus among Fig. 4, and 3 is low radiation film.More than three kinds of bus laying schemes be merely the part that the present invention enumerates, it is understandable that its concrete bus design of patterns can be carried out the change in the proper range according to requirement of client, for example extraction location of the width of bus, joint etc.Aforementioned " proper range " generally refers to the position of bus pattern with respect to glass contours, and for example in the application of automobile front windshield, bus generally is arranged at two shorter limit portions of relative distance; And bus can be according to the profile of windshield glass, the corresponding distance of inside indentation along the edge.Well-known is that the automobile front windshield is except the transparent primary vision area of central authorities; Generally all comprise the opaque ink zone all around; Aforementioned " proper range " also comprises bus, and the corresponding distance of inside indentation remains in the inked areas along the edge; Thereby bus is covered invisiblely by opaque inked areas after processing sandwiched product, has guaranteed aesthetics.
Low radiation film of the present invention preferably adopts the rete of silver (Ag) layer as reflected infrared; Thereby reduce infrared rays transmission from low radiation film; Simultaneously comprise a silver layer at least in the said low radiation film, such as comprising a silver layer (Dan Yin), two silver layers (two silver), three silver layer situation such as (three silver medals), but it is understandable that; Be not limited thereto, satisfactory more silver layer also is fine.
Preferably; The outermost layer of said low radiation film is the transparent conductive metal oxide membranous layer; Can improve the characteristic that is electrically connected of low radiation film and bus material as outermost transparent conductive metal oxide membranous layer; Therefore directly surface applying PSA of the low radiation film after thermal treatment or ACF compare and adopt welding base metal paper tinsel band or adopt the technology of printed silver slurry more simple and reliable as bus.For make low radiation film and bus material to be electrically connected characteristic more excellent, further, said transparent conductive oxide rete is ITO, AZO, ATO, IZO, GZO, IGZO, IMO and LaNiO
3In a kind of.
In the art, ITO is that Indium sesquioxide is mixed tin (In
2O
3: abbreviation Sn), AZO is the abbreviation of doped zinc oxide aluminium (ZnO:Al), ATO is that White tin oxide is mixed antimony (SnO
2: abbreviation Sb), IZO is that Indium sesquioxide is mixed zinc (In
2O
3: abbreviation Zn), GZO is the abbreviation of doped zinc oxide gallium (ZnO:Ga), and IGZO is the abbreviation of indium gallium zinc oxide (indium gallium zinc oxide), and IMO is that Indium sesquioxide is mixed molybdenum (In
2O
3: abbreviation Mo), LaNiO
3Be nickel acid lanthanum.
With transparent conductive oxide rete such as ITO, AZO, ATO, IZO, GZO, IGZO, IMO and LaNiO
3Deng the outermost layer as low radiation film can improve low radiation film with ACF or PSA the characteristic that is electrically connected as bus.Though above-mentioned materials is known; The structure that a kind of anisotropic conductive rubber nation decides heating glass is disclosed like Chinese patent CN201654382U; Relate at liquid crystal (LCD) and show the ITO of being coated with film on glass, the method that adopts the fixed technology of ACF nation to assemble the LCD heating glass.Being coated with the ITO film at glass surface is a proven technique; Normally under certain vacuum tightness and temperature (200 ~ 350 ℃) environment, use technology such as vapor deposition (Evaporative) or sputter (Sputtering) to form the ITO film of the about 100 ~ 800nm of one deck, electrically conducting transparent at glass surface.The ACF nation that mentions in this patent decides the special-purpose thermocompressor platform of Technology Need and is electrically connected to provide suitable temperature and pressure that it is formed preferably with the ITO film.
But the transparent conductive oxide rete described in the present invention such as ITO, AZO, ATO, IZO, GZO, IGZO, IMO and LaNiO
3Is different with aspects such as applied environments with transparent conductive oxide rete of the prior art Deng role, making method in can electrically heated low-emission coated laminated glass, below is that example describes with ITO.
At first, in Chinese patent CN201654382U, the main effect of ITO is used as heating unit; And in the present invention, what play the heating unit effect is the silver layer in the low radiation film, and the main effect of ITO is as the layer that conducts between bus and the silver layer.The thickness of each layer is generally several nanometers to tens nanometer in traditional low radiation film, and is SiNx, TiOx, ZrO at outermost layer generally
2, ZnSnOx or SiO
2Deng medium layer, so that when high-temperature heat treatment, the Ag layer is protected.But the contact interface of medium layers such as material such as PSA and ACF and SiNx or TiOx; With SiNx is example; The potential barrier effect that produces because of SiNx material excellent electric insulation property; Make the conducting particles that contains in the materials such as PSA and ACF good being electrically connected to take place with the silver layer in the low radiation film, the function of realization energising heating that therefore can not be cmpletely is embodied in and can't heats or exist focus.Among the present invention, outermost layer ITO is because of its electroconductibility that has, and the conducting particles that helps containing in the materials such as PSA and ACF is crossed medium layers such as SiNx, thereby produces good being electrically connected with silver layer.Therefore, the existence of outermost layer ITO is equivalent to reduce the potential barrier of the medium layer between ITO and silver layer.
Secondly, in the present invention, the method for manufacture of ITO is different with conventional processing procedure.In the present invention, the ITO rete adopts the magnetron sputtering technique deposition.In the serialization of sheet glass plated film is produced; The horizontal multi-target magnetic control sputtering equipment of general use; Traditional money base low-radiation film system is at room temperature to deposit; Therefore in continuous flow procedure, belong to money base low-radiation film architecture form a part, outermost ITO rete also is at room temperature to deposit.Disclosed about being reported among the U.S. Patent application US20090457006 of sputtering sedimentation ITO film at room temperature, the ITO thicknesses of layers that discloses in this patent has reached 100 ~ 200nm, as the preceding electrode of CdTe thin-film solar cells.But in the present invention, the thickness of ITO rete is between 5 ~ 50nm, and preferred 10 ~ 30nm does not use as electrode separately.
In addition, in the present invention, the applied environment of ITO film also is different.Conventional ito thin film generally carries out anneal under vacuum environment, annealing temperature is no more than 400 ℃.The anneal that discloses among the U.S. Patent application US20090457006 also is under vacuum environment, to carry out, and annealing temperature is no more than 450 ℃.Because the vehicles or build the distinctive abnormal curved surface shape of window, glass port and the film system that is coated on the glass port surface need carry out forming processes such as hot bending or tempering under the high temperature temperature of glass softening point (for example greater than) but in the present invention.As the part that money base low-radiation film architecture is formed, the high temperature that the ITO rete stands reaches 600 ~ 700 ℃, and used high temperature thermal treatment such as continuous baking and bending furnace, annealing furnace etc. are not possess vacuum environment.After the high-temperature heat treatment, the electrical properties of ITO rete is not damaged, and among the embodiment below, its resistivity is by 4.13 * 10 before the thermal treatment
-3Ω m drops to 1.21 * 10
-3Ω m, electroconductibility has obtained raising.
Further; Said pressure sensitive adhesive or anisotropy conductiving glue contain metallic foil; Wherein metallic foil can be used as the important carrier of current delivery, plays an important role to reducing current loss as much as possible, and a lateral junction of said metallic foil and said pressure sensitive adhesive or anisotropy conductiving glue lumps together; Omit the operation of independent applying metallic foil, simplified technical process.Simultaneously, said metallic foil surface is provided with the metal wire joint, and said metal wire joint is used for being communicated with the direct line of power supply.For the metal wire joint is fixed together with metallic foil better, preferably tin coating is set at said metallic foil outside surface.
Contradiction for visible light transmissivity and conductive film layer resistance in the visible light transmissivity that improves glass or the balance low radiation film; In the glass baseplate surface of said low radiation film is not set, have at least a surface that anti-reflection film is set, said anti-reflection film is a multilayer film.
Said intermediate polymer is generally selected thermoplastic material, after being heating and curing, is transparence and excellent sealing performance is arranged, and preferably polyethylene butyral (PVB) or Injecatable EVA Copolymer, its thickness range are 10 microns to 10 millimeters.Said in an embodiment of the present invention intermediate polymer is polyvinyl butyral (PVB), and thickness range is 0.5 millimeter to 2 millimeters.
The resistance per square scope of conventional low radiation film is 0.4 ~ 4 Ω/, and the resistance per square of preferred said low radiation film is 0.6 ~ 2.5 Ω/.The safety voltage of national regulation is 36V, and low radiation film of the present invention can provide 200～1000W/m under the power supply supply of this safety voltage
2Heating power density.
Support inventive point of the present invention in order to illustrate in greater detail and to have more cogency ground, enumerate some embodiment at present and set forth in detail.
On glass substrate 1 and intermediate polymer 3 contacted surfaces, low radiation film 4 is set, as shown in Figure 5, in this embodiment, said low radiation film 4 comprises a silver layer and its outermost layer is the ITO layer; Its concrete film layer structure is: glass substrate │ SiNx │ TiOx │ ZnO │ Ag │ NiCrOx │ ZnO │ ZnSnOx │ ITO, and 101 is the SiNx layer, 102 is the TiOx layer; 103 is the ZnO layer, and 104 is the Ag layer, and 105 is the NiCrOx layer; 106 is the ZnO layer, and 107 is the ZnSnOx layer, and 108 is the ITO layer; Said low radiation film adopts the manufacturing of horizontal continuous magnetron sputtering filming equipment, and the base vacuum degree reaches 1 * 10
-4Below the Pa, sputter vacuum tightness is not less than 6 * 10
-1TR is at 20 ~ 50 ℃ in the Pa, vacuum chamber; Wherein the sputter of ITO rete adopts ceramic target as starting material, in the material weight ratio scope of Sn element 1 ~ 15%, preferred 5 ~ 10%, be 10% in the present embodiment.
The visible light transmissivity that monolithic after bakingout process is provided with the glass substrate 1 of low radiation film 4 reaches 83%, and resistance per square is 4.2 Ω/, then applying PSA bus on low radiation film; After the applying, the metal wire joint is set on PSA, and in the middle of the glass substrate 1 and second glass substrate 2, pvb films is set, through the low-emission coated laminated glass of the heating that obtains after the lamination treatment realizing switching on, shown in accompanying drawing 2.
The described visible light transmissivity that can electrically heated low-emission coated laminated glass of present embodiment is 79%, and the total transmitance of sun power is 45%.Simultaneously, concrete energising voltage, electric current and joint location basis of design customer requirement and deciding.In a kind of nonrestrictive embodiment, when energising voltage was 30V, heating power density reached 300W/m
2, the peak temperature rise scope is 35 ~ 40 ℃, said magnitude of voltage can be regulated through invertor and obtain.
On glass substrate 1 and intermediate polymer 3 contacted surfaces, low radiation film 4 is set, as shown in Figure 6, in this embodiment, said low radiation film 4 comprises two silver layers and its outermost layer is the ITO layer; Its concrete film layer structure is: glass substrate │ SiNx │ TiOx │ ZnO │ Ag │ NiCrOx │ ZnSnOx │ ZnO │ Ag │ NiCrOx │ SiNx │ ITO, and 201 is the SiNx layer, 202 is the TiOx layer; 203 is the ZnO layer, and 204 is the Ag layer, and 205 is the NiCrOx layer; 206 is ZnSnOx, and 207 is the ZnO layer, and 208 is the Ag layer; 209 is the NiCrOx layer, and 210 is the SiNx layer, and 211 is the ITO layer; Said low radiation film adopts the manufacturing of horizontal continuous magnetron sputtering filming equipment, and the base vacuum degree reaches 1 * 10
-4Below the Pa, sputter vacuum tightness is not less than 6 * 10
-1TR is at 20 ~ 50 ℃ in the Pa, vacuum chamber; Wherein the sputter of ITO rete adopts ceramic target as starting material, in the material weight ratio scope of Sn element 1 ~ 15%, preferred 5 ~ 10%, be 10% in the present embodiment.
The visible light transmissivity that monolithic after bakingout process is provided with the glass substrate 1 of low radiation film 4 reaches 79%, and resistance per square is 2.3 Ω/, then applying PSA bus on low radiation film; After the applying, the metal wire joint is set on PSA, and in the middle of the glass substrate 1 and second glass substrate 2, pvb films is set, through the low-emission coated laminated glass of the heating that obtains after the lamination treatment realizing switching on, shown in accompanying drawing 2.
The described visible light transmissivity that can electrically heated low-emission coated laminated glass of present embodiment is 75%, and the total transmitance of sun power is 40%.Simultaneously, concrete energising voltage, electric current and joint location basis of design customer requirement and deciding.In a kind of nonrestrictive embodiment, when energising voltage was 30V, heating power density reached 600W/m
2, the peak temperature rise scope is 40 ~ 60 ℃, preferred 45 ~ 55 ℃, said magnitude of voltage can be regulated through invertor and obtain.
On glass substrate 1 and intermediate polymer 3 contacted surfaces, low radiation film 4 is set; As shown in Figure 7; In this embodiment; Said low radiation film 4 comprises three silver layers and its outermost layer is the ITO layer, and its concrete film layer structure is: glass substrate │ SiNx │ TiOx │ ZnO │ Ag │ NiCrOx │ ZnSnOx │ ZnO │ Ag │ NiCrOx │ ZnSnOx │ ZnO │ Ag │
NiCrOx │ SiNx │ ITO, 301 is the SiNx layer, and 302 is the TiOx layer, and 303 is the ZnO layer; 304 is the Ag layer, and 305 is the NiCrOx layer, and 306 is the ZnSnOx layer, and 307 is the ZnO layer; 308 is the Ag layer, and 309 is the NiCrOx layer, and 310 is the ZnSnOx layer, and 311 is the ZnO layer; 312 is the Ag layer, and 313 is the NiCrOx layer, and 314 is the SiNx layer, and 315 is the ITO layer; Said low radiation film adopts the manufacturing of horizontal continuous magnetron sputtering filming equipment, and the base vacuum degree reaches 1 * 10
-4Below the Pa, sputter vacuum tightness is not less than 6 * 10
-1TR is at 20 ~ 50 ℃ in the Pa, vacuum chamber; Wherein the sputter of ITO rete adopts ceramic target as starting material, in the material weight ratio scope of Sn element 1 ~ 15%, preferred 5 ~ 10%, be 5% in the present embodiment.
The visible light transmissivity that monolithic after bakingout process is provided with the glass substrate 1 of low radiation film 4 reaches 74%, and resistance per square is 1.1 Ω/, then applying PSA bus on low radiation film; After the applying, the metal wire joint is set on PSA, and in the middle of the glass substrate 1 and second glass substrate 2, pvb films is set, through the low-emission coated laminated glass of the heating that obtains after the lamination treatment realizing switching on, shown in accompanying drawing 2.
The described visible light transmissivity that can electrically heated low-emission coated laminated glass of present embodiment is 71%, and the total transmitance of sun power is 36%.Simultaneously, concrete energising voltage, electric current and joint location basis of design customer requirement and deciding.In a kind of nonrestrictive embodiment, when energising voltage was 14V, heating power density reached 280W/m
2, the peak temperature rise scope is 35 ~ 45 ℃, said magnitude of voltage can be regulated through invertor and obtain.
More than describing is on the basis of vehicles transparent window, particularly windshield, to discuss.Yet; Be to be understood that and the invention is not restricted in the vehicle windscreen scope, use; But can in any desired field, implement, such as but be not limited to building (containing dwelling house and commercial building) window, the electrical equipment form of laminated or no lamination and/or be used under water, the transparent window of the water surface, ground, the Aeronautics and Astronautics vehicles etc.Aforesaid transparent window can have the value of any desired to the transmitance of visible light, and for example 0～100%, preferably be not less than 70%.
Embodiment cited more than the present invention is all describing film layer structure and corresponding film material; And as concrete depositing operation, parameter and concrete technology and the parameter etc. that coated glass are made into laminated glass articles all do not describe; It is well known to those of ordinary skill in the art to it is understandable that these parts of not describing are all, so the part of not describing does not influence invention which is intended to be protected.
Above content is to a kind of can the specific descriptions by electrically heated low-emission coated laminated glass of the present invention; And having enumerated a plurality of embodiment describes; But the present invention does not receive the embodiment content of above description and the limitation of corresponding embodiment; 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 that the present invention protects.
Claims (13)
- One kind can electrically heated low-emission coated laminated glass; Comprise two sheet glass substrates and be clipped in the intermediate polymer between the two sheet glass substrates; Also comprise low radiation film and bus; Said low radiation film is arranged at least one glass baseplate surface that contacts with intermediate polymer, on said low radiation film, lays bus, it is characterized in that: said bus is pressure sensitive adhesive or anisotropy conductiving glue.
- 2. low-emission coated laminated glass according to claim 1 is characterized in that: said low radiation film comprises a silver layer at least.
- 3. low-emission coated laminated glass according to claim 1 is characterized in that: the outermost layer of said low radiation film is the transparent conductive metal oxide membranous layer.
- 4. low-emission coated laminated glass according to claim 3 is characterized in that: said transparent conductive oxide rete is ITO, AZO, ATO, IZO, GZO and LaNiO 3In a kind of.
- 5. low-emission coated laminated glass according to claim 1 is characterized in that: said pressure sensitive adhesive or anisotropy conductiving glue contain metallic foil.
- 6. low-emission coated laminated glass according to claim 5 is characterized in that: said metallic foil outside surface is provided with tin coating.
- 7. low-emission coated laminated glass according to claim 5 is characterized in that: said metallic foil surface is provided with the metal wire joint.
- 8. low-emission coated laminated glass according to claim 1 is characterized in that: in the glass baseplate surface of said low radiation film is not set, have at least a surface that anti-reflection film is set, said anti-reflection film is a multilayer film.
- 9. low-emission coated laminated glass according to claim 1 is characterized in that: said intermediate polymer is polyvinyl butyral or Injecatable EVA Copolymer, and its thickness range is 10 microns to 10 millimeters.
- 10. low-emission coated laminated glass according to claim 9 is characterized in that: said intermediate polymer is a polyvinyl butyral, and thickness range is 0.5 millimeter to 2 millimeters.
- 11. low-emission coated laminated glass according to claim 1 is characterized in that: the resistance per square of said low radiation film is 0.4 ~ 4 Ω/.
- 12. low-emission coated laminated glass according to claim 11 is characterized in that: the resistance per square of said low radiation film is 0.6 ~ 2.5 Ω/.
- 13. low-emission coated laminated glass according to claim 11 is characterized in that: said low radiation film provides 200～1000W/m under the power supply supply of voltage≤36V 2Heating power density.
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Application publication date: 20121128 Assignee: FUJIAN WANDA AUTOMOBILE GLASS INDUSTRY Co.,Ltd. Assignor: FUYAO GLASS INDUSTRY GROUP Co.,Ltd. Contract record no.: X2023350000431 Denomination of invention: A Low Radiation Coated Laminated Glass with Electric Heating Granted publication date: 20140924 License type: Common License Record date: 20231116 |
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