EP2928838A1 - Vitre dotée d'au moins une couche de protection contenant de l'oxyde d'étain et de zinc - Google Patents

Vitre dotée d'au moins une couche de protection contenant de l'oxyde d'étain et de zinc

Info

Publication number
EP2928838A1
EP2928838A1 EP13791814.0A EP13791814A EP2928838A1 EP 2928838 A1 EP2928838 A1 EP 2928838A1 EP 13791814 A EP13791814 A EP 13791814A EP 2928838 A1 EP2928838 A1 EP 2928838A1
Authority
EP
European Patent Office
Prior art keywords
protective layer
glass
disc
weight
tin
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP13791814.0A
Other languages
German (de)
English (en)
Inventor
Anais RENIER
Philippe Letocart
Andreas Kasper
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Saint Gobain Glass France SAS
Original Assignee
Saint Gobain Glass France SAS
Compagnie de Saint Gobain SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Saint Gobain Glass France SAS, Compagnie de Saint Gobain SA filed Critical Saint Gobain Glass France SAS
Priority to EP13791814.0A priority Critical patent/EP2928838A1/fr
Publication of EP2928838A1 publication Critical patent/EP2928838A1/fr
Pending legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
    • C03C17/22—Surface treatment of glass, not in the form of fibres or filaments, by coating with other inorganic material
    • C03C17/23—Oxides
    • C03C17/245—Oxides by deposition from the vapour phase
    • C03C17/2453—Coating containing SnO2
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
    • B32B17/069—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of intumescent material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
    • B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
    • B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
    • B32B17/10009—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets
    • B32B17/10036—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the number, the constitution or treatment of glass sheets comprising two outer glass sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
    • B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
    • B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
    • B32B17/10165—Functional features of the laminated safety glass or glazing
    • B32B17/10174—Coatings of a metallic or dielectric material on a constituent layer of glass or polymer
    • B32B17/10201—Dielectric coatings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
    • B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
    • B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
    • B32B17/1055—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the resin layer, i.e. interlayer
    • B32B17/10761—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the resin layer, i.e. interlayer containing vinyl acetal
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
    • B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
    • B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
    • B32B17/1055—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the resin layer, i.e. interlayer
    • B32B17/1077—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the resin layer, i.e. interlayer containing polyurethane
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
    • B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
    • B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
    • B32B17/1055—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the resin layer, i.e. interlayer
    • B32B17/10788—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the resin layer, i.e. interlayer containing ethylene vinylacetate
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C2217/00—Coatings on glass
    • C03C2217/20—Materials for coating a single layer on glass
    • C03C2217/21—Oxides
    • C03C2217/211—SnO2
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C2217/00—Coatings on glass
    • C03C2217/20—Materials for coating a single layer on glass
    • C03C2217/21—Oxides
    • C03C2217/216—ZnO
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C2217/00—Coatings on glass
    • C03C2217/20—Materials for coating a single layer on glass
    • C03C2217/21—Oxides
    • C03C2217/23—Mixtures
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C2218/00—Methods for coating glass
    • C03C2218/10—Deposition methods
    • C03C2218/15—Deposition methods from the vapour phase
    • C03C2218/154—Deposition methods from the vapour phase by sputtering
    • C03C2218/155—Deposition methods from the vapour phase by sputtering by reactive sputtering

Definitions

  • the invention relates to a pane, in particular a glass pane, with a protective layer for reducing the glass corrosion of the pane during aging and storage. Furthermore, the invention relates to a method for producing such a disc and its use.
  • Float methods are known, for example, from FR 1 378 839 A.
  • a doughy-liquid glass melt is continuously passed from one side to an elongate bath of liquid tin in a continuous process.
  • the glass melt floats on the tin bath and a uniform glass film spreads.
  • the surface tension of the liquid glass forms a very smooth glass surface.
  • the glass melt is cooled down and solidified.
  • Flat glass may corrode under adverse environmental conditions or storage conditions, and especially in the presence of water or moisture.
  • the glass corrosion can be so strong that it is even visible to the naked eye. But even an invisible corrosion layer changes the properties of the glass surface, so that some technologies, such as vacuum coating, are no longer readily possible. Glass corrosion often leads to complaints, as the affected glass has to be replaced or subsequently polished at great expense.
  • alumina Al 2 O 3
  • the object of the present invention is now to provide a disk having improved resistance to glass corrosion and in particular reduced haze and irrigation during storage and Aging.
  • a disc according to the invention comprises
  • At least one glass with a first side and a second side and
  • At least one protective layer which is arranged flat on the first side and / or the second side of the glass sheet and
  • the protective layer contains tin-zinc oxide.
  • the glass pane according to the invention is advantageously a flat glass pane which is produced by a float process or a drawing glass process.
  • the present invention is based on the following finding by the inventors:
  • melt accelerators so-called network converters
  • the network converters are usually the oxides of sodium, potassium, magnesium and calcium.
  • the disadvantage of these additives is that they make the produced glass susceptible to corrosion.
  • the alkali oxides and in particular sodium oxide and potassium oxide diffuse out of the glass at room temperature and can react with the ambient humidity. They form a lye that attacks the glass surface by increasingly dissolving the silica network.
  • a gel layer forms.
  • crystalline precipitates also form with the gases of the ambient air, in particular C0 2 and S0 2, and in particular carbonate crystals or sulfate crystals.
  • the remaining glass surface is porous and has an iridescent effect due to its different refractive index. With aging, this effect can increase and the glass surface become increasingly cloudy and iridescent.
  • the inventors have now recognized that a protective layer according to the invention avoids or significantly reduces this effect.
  • the protective layer of the invention thus has the particular advantage that it significantly increases the shelf life of the disc and the stored disc is suitable for downstream process steps, such as a vacuum coating. Furthermore, the life of the disc is increased, so that replacement of the disc or polishing of the glass surface can be avoided or delayed. The review is preserved and is neither clouded nor falsified in their color.
  • the protective layer pane according to the invention is particularly advantageous when the pane is used in a humid, corrosive environment and, in particular, in a marine environment and in the presence of salt water.
  • the disc according to the invention contains a protective layer of tin-zinc oxide.
  • Slices with protective coatings containing tin-zinc oxide showed a particularly low glass corrosion and a particularly low turbidity during storage and aging.
  • the protective layer contains a tin-zinc oxide with a ratio of zinc: tin of 5% by weight: 95 wt .-% to 95 wt .-%: 5 wt .-% and preferably of 15 wt %: 85 wt% to 70 wt%: 30 wt%.
  • the protective layer consists only of tin-zinc oxide and production-related admixtures of other metals. Protective layers of tin-zinc oxide with such mixing ratios and compositions are particularly resistant and show a particularly low haze during aging.
  • the protective layer contains Sn x Zn y O z with 0 ⁇ z ⁇ (y + 2x) and preferably 0.7 * (y + 2x) ⁇ z ⁇ (y + 2x), and particularly preferably 0, 9 * (y + 2x) ⁇ z ⁇ (y + 2x).
  • Protective layers of tin-zinc oxide with such mixing ratios are particularly resistant and show very little corrosion.
  • Protective layers of tin-zinc oxide with such Mixing ratios are particularly stable and show a particularly low corrosion and a particularly low turbidity during storage and aging.
  • the protective layer according to the invention contains dopants, for example of antimony, fluorine, silver, ruthenium, palladium, aluminum and tantalum.
  • the proportion of doping in the metallic portion of the protective layer in weight percent (wt .-%) is preferably from 0 wt .-% to 10 wt .-% and particularly preferably from 1 wt .-% to 5 wt .-%. Washers with protective layers, which have such a doping, showed a particularly low corrosion.
  • the protective layer consists of tin-zinc oxide and optionally of a doping metal and only from production-related admixtures of other substances.
  • Protective layers of tin-zinc oxide with such mixing ratios are particularly resistant and show particularly low turbidity during storage and aging.
  • the deposition of the tin-zinc oxide takes place, for example, with the addition of oxygen as the reaction gas during the sputtering of a tin-zinc target.
  • the layer thickness d of the protective layer is from 2 nm to 500 nm, preferably from 3 nm to 50 nm and particularly preferably from 5 nm to 30 nm.
  • Discs of the invention with protective layer having these layer thicknesses show particularly low cloudiness during the Storage and aging.
  • the glass pane according to the invention contains a flat glass pane, which is produced in a float process and is referred to below as float glass pane.
  • the side of the float glass pane which floats on the tin bath during manufacture is referred to as the tin bath side.
  • the Zinnbadseite opposite side of the float glass is referred to as the atmosphere side.
  • the glass pane is a float glass pane and the protective layer is arranged on the atmosphere side and / or the tin bath side and preferably only on the tin bath side.
  • the tin bath side of a float glass pane becomes particularly turbid in the case of glass corrosion, so that the protective layer according to the invention particularly effectively avoids haze.
  • the glass pane contains a flat glass pane, which is produced in a drawing process.
  • the glass sheet according to the invention preferably contains soda-lime glass.
  • the glass pane according to the invention preferably contains a network converter which reduces the process temperature during the production of the glass pane.
  • network transducers are preferably alkaline and contain in particular sodium oxide, potassium oxide, magnesium oxide or calcium oxide or mixtures thereof.
  • the glass sheet according to the invention preferably contains less than 0.2% by weight of aluminum oxide (Al 2 O 3 ).
  • Aluminum oxide Al 2 O 3
  • Such glass panes without a specific addition of aluminum oxide are particularly susceptible to corrosion in a moist environment and are particularly well protected by the protective layer according to the invention.
  • the glass sheet according to the invention contains very little iron oxide (Fe 2 0 3 ).
  • the glass sheet according to the invention preferably contains less than 0.02 wt .-% iron oxide (Fe 2 0 3 ).
  • This low-iron glass naturally has a particularly high light transmission and is mainly used as a cover glass for photovoltaic elements, but also elsewhere in architecture. It is melted from particularly pure and especially low-iron raw materials and is therefore higher quality than normal float glass.
  • iron-poor glass is particularly susceptible to corrosion and is particularly well protected by the protective layer according to the invention.
  • the glass sheet is advantageously thermally toughened or partially prestressed.
  • the thermally partially prestressed or tempered glass sheet preferably has a preload of 30 MPa to 200 MPa and more preferably of 70 MPa to 200 MPa.
  • the thickness of the glass can vary widely and can be adapted perfectly to the requirements of the individual case. It is preferable to use disks with the standard thicknesses of 1.0 mm to 25 mm and preferably of 2 mm to 12 mm.
  • the size of the disc can vary widely and depends on the size of the use according to the invention.
  • the glass sheet may have any three-dimensional shape.
  • the three-dimensional shape has no shadow zones, so that it can be coated, for example, by sputtering.
  • the disc is planar or slightly or strongly bent in one direction or in several directions of the space.
  • the glass pane can be colorless or colored.
  • the pane according to the invention can consist of a composite of two or more individual glass panes, which are each connected to one another via at least one intermediate layer.
  • the intermediate layer preferably contains a thermoplastic such as polyvinyl butyral (PVB), ethylene vinyl acetate (EVA), polyurethane (PU), polyethylene terephthalate (PET) or multiple layers thereof, preferably with thicknesses of 0.3 mm to 0.9 mm.
  • PVB polyvinyl butyral
  • EVA ethylene vinyl acetate
  • PU polyurethane
  • PET polyethylene terephthalate
  • the pane according to the invention can also be an insulating glass pane in which one or more individual glass panes are connected via evacuated or gas-filled intermediate spaces.
  • the pane according to the invention may also be a fire-resistant glazing, in which one or more individual glass panes are connected in a planar manner via fire protection layers.
  • fire protection layers preferably contain an intumescent, alkaline hydrogel, or hydrous alkali polysilicate, which foams when exposed to heat
  • the protective layer according to the invention is then advantageously arranged on at least one of the outer surfaces of the laminated glass pane, the insulating glass pane or the fire-resistant glazing.
  • a pane according to the invention is remote from the glass pane and the protective layer or on the glass Surface of the protective layer at least one further layer arranged.
  • the further layer can, for example, influence the optical properties of the pane.
  • Such a further layer for example, increases the transmission through the pane, reduces reflections or gives a color to the transmitted light.
  • the further layer may also be a low-E layer with a low emissivity for thermal radiation.
  • the pane according to the invention is advantageously permeable to electromagnetic radiation, preferably electromagnetic radiation of a wavelength of 300 to 1,300 nm, and in particular to visible light.
  • Period means that the total transmission through the disk has a transmission of greater than 50%, preferably greater than 70%, and most preferably greater than 90%.
  • the invention comprises a method for producing a disk, wherein at least: a. a glass sheet is provided with a first side and a second side and
  • a protective layer is applied to the first side and / or to the second side, the protective layer containing a tin-zinc oxide.
  • the application of the protective layer in process step (b) can be carried out by methods known per se, preferably by magnetic field-assisted sputtering. This is particularly advantageous in terms of a simple, fast, inexpensive and uniform coating of the glass.
  • a method for producing tin-zinc oxide layers by reactive cathode sputtering is known, for example, from DE 198 48 751 C1.
  • the tin-zinc oxide is preferably deposited with a target which comprises from 5% by weight to 95% by weight of zinc, from 5% by weight to 95% by weight of tin and from 0% by weight to 10% by weight. contains -% of a doping metal such as antimony and production-related admixtures.
  • the target particularly preferably contains from 15% by weight to 70% by weight of zinc, from 30% by weight to 85% by weight of tin and from 0% by weight to 5% by weight of antimony, as well as by other admixtures Elements.
  • the deposition of the tin-zinc oxide takes place, for example, with the addition of oxygen as the reaction gas during cathode sputtering.
  • the protective layer may be deposited by vapor deposition, chemical vapor deposition (CVD), plasma enhanced chemical vapor deposition (PECVD), sol-gel or wet chemical methods.
  • the glass sheet is thermally toughened or partially prestressed before method step (a) or between method steps (a) and (b).
  • a glass sheet of float glass having an atmosphere side and a tin bath side is provided and
  • a protective layer is applied to the atmosphere side and / or the tin bath side, the protective layer containing a tin-zinc oxide.
  • the protective layer is applied only to the tin bath side of the float glass pane.
  • the invention further comprises the use of a protective layer according to the invention on a glass pane to prevent glass corrosion during storage and / or when using the pane under harsh, glass-damaging conditions, preferably in moist, moist warm or marine environment.
  • the invention further comprises the use of the pane according to the invention as part of an external facade or internal facade of a window in a building or in a vehicle on land, water or in the air or as a built-in part in furniture and appliances.
  • Particularly preferred is the use of the disc according to the invention under moist, moist and / or marine conditions, in particular as glazing near the coast or on the water, on boats or ships, in swimming pools, saunas or greenhouses.
  • the protective layer When using the protective layer according to the invention to prevent glass corrosion during storage, the protective layer is advantageously arranged on both sides of the glass pane.
  • the protective layer When using the protective layer according to the invention to prevent glass corrosion during aging and in particular under rough and glass-damaging environmental conditions such as humidity and moisture, the protective layer is advantageously arranged at least on the damaging environmental conditions facing sides of the glass sheet.
  • FIG. 1 shows a schematic cross-sectional view of a pane according to the invention
  • FIG. 2 shows a schematic cross-sectional view of an alternative embodiment of a pane according to the invention
  • Figure 3 is a schematic cross-sectional view of an alternative embodiment of a disc according to the invention.
  • FIG. 4 shows a flow chart of an exemplary embodiment of the method according to the invention.
  • FIG. 1 shows a schematic representation of a disc 10 according to the invention in a cross section.
  • the pane 10 comprises a glass pane 1 with a first side I and a second side II.
  • the glass pane 1 is, for example, a flat glass pane and in particular a float glass pane made of soda-lime glass.
  • the first side I is, for example, the atmosphere side of the float glass pane and the second side II is the tin bath side.
  • the glass sheet 1 has, for example, a thickness b of 2 mm and dimensions of 2 m ⁇ 3 m. It is understood that the glass sheet 1 may also have other, adapted to the particular purpose thicknesses and dimensions.
  • a protective layer 2 is arranged flat.
  • the protective layer 2 extends, for example, completely over the entire second side II of the glass pane 1. This can ensure that the surface of the second side II of the glass pane 1 is protected against corrosion, turbidity and Irleiter. It is understood that the protective layer 2 can also be arranged on the surface of the first side I.
  • the protective layer 2 is preferably arranged at least on the side of the glass pane 1 which, in use, is exposed to harsh and glass-damaging conditions such as moisture and moisture. This is, for example, the outside of a window of a building or a vehicle and in particular the living space or vehicle interior facing away from the glazing.
  • the protective layer 2 contains, for example, antimony-doped tin-zinc oxide and was deposited by sputtering.
  • the target for depositing the protective layer 2 contained, for example, 68% by weight of tin, 30% by weight of zinc and 2% by weight of antimony. The deposition took place with the addition of oxygen as the reaction gas during cathode sputtering.
  • the thickness d of the protective layer 2 is, for example, 25 nm.
  • FIG. 2 shows a schematic cross-sectional illustration of a further exemplary embodiment of a pane 10 according to the invention.
  • the pane 10 according to the invention contains a glass pane 1 with a protective layer 2 on the second side II, as described in FIG. Furthermore, a further protective layer 2 is arranged on the first side I of the glass pane 1.
  • the further protective layer 2 has, for example, the same texture as the protective layer 2 on the second side II.
  • FIG. 3 shows a schematic cross-sectional illustration of a further exemplary embodiment of a pane 10 according to the invention.
  • the pane 10 according to the invention contains a glass pane 1 and a protective layer 2 on the second side II, as described in FIG. Furthermore, a further functional layer 3 is arranged between the second side II and the protective layer 2.
  • the further layer 3 is, for example, a layer with low emissivity for thermal radiation (low-E layer).
  • FIG. 4 shows a flow chart of an exemplary embodiment of the method according to the invention for producing a pane 10 according to FIG. 1.
  • Table 1 shows a study of the corrosion resistance of a disc 10 according to the invention according to Example 1 in comparison with two comparative examples 1A, 1B according to the prior art.
  • Comparative Example 1A according to the prior art consists of a glass plate 1 made of soda-lime glass with a content of Al 2 0 3 of less than 0.2 wt .-%. On the glass sheet 1, no protective layer 2 according to the invention is arranged.
  • the corrosion resistance of glass sheets 1 according to Comparative Example 1A is poor and a plurality of glass sheets 1 show clouding on aging and especially on contact with moisture or water.
  • Comparative Example 1 B according to the prior art consists of a glass plate 1 made of soda-lime glass with a content of Al 2 0 3 of 0.56 wt .-%. On the glass sheet 1, no protective layer 2 according to the invention is arranged. The corrosion resistance of the glass sheet 1 of Comparative Example 1 B is better than Comparative Example 1A. Nevertheless, some of the glass panes 1 according to Comparative Example 1 B exhibit turbidity on aging and in particular on contact with moisture or water.
  • Inventive discs 10 according to Example 1 consist of a glass plate 1 made of soda lime glass with a content of Al 2 0 3 of less than 0.2 wt .-%. Both on the first side I and on the second side II of the glass sheet 1, a protective layer 2 according to the invention is arranged from a 25 nm thick layer of tin-zinc oxide. The ratio of tin: zinc in the tin-zinc oxide layer is 68% by weight: 30% by weight. The corrosion resistance of the glass sheet 1 according to Example 1 is very good. There is little or no turbidity on aging or contact with moisture or water. Discs 10 according to the invention with protective layer 2 according to Example 1 exhibit markedly improved corrosion resistance in comparison with glass panes 1 according to the prior art according to Comparative Example 1A or Comparative Example 1B.
  • Table 2 shows a study of the corrosion resistance of discs 10 according to the invention according to Example 1 in comparison with two comparative examples 1A, 1B according to the prior art.
  • Comparative Example 2 according to the prior art consists of a glass pane 1 of low-iron glass of 0.015% iron oxide. On the glass sheet 1, no protective layer 2 according to the invention is arranged. The corrosion resistance of the glass pane 1 according to Comparative Example 2 is very poor and shows turbidity on aging and in particular on contact with moisture or water.
  • Inventive discs 10 according to Example 2 consist of a glass pane 1 of low-iron glass, wherein both on the first side I and on the second side II of the glass pane 1, a protective layer 2 according to the invention is arranged.
  • the protective layer 2 consists of a 25 nm thick layer of tin-zinc oxide with a ratio of tin: zinc of 68 wt .-%: 30 wt .-%.
  • the corrosion resistance of the glass sheet 1 according to Example 2 is very good. There is little or no turbidity on aging or contact with moisture or water.
  • Protective layer further layer first side of the pane, second side of the atmosphere, side of the tin bath, thickness of the glass pane 1 Thickness of the protective layer 2

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Surface Treatment Of Glass (AREA)
  • Joining Of Glass To Other Materials (AREA)

Abstract

La présente invention concerne une vitre (10) comprenant : ‑ au moins une vitre (1) possédant une première face (I) et une seconde face (II), et ‑ au moins une couche de protection (2) disposée en nappe sur la première face (I) et/ou sur la seconde face (II). La couche de protection (2) contient de l'oxyde d'étain et de zinc.
EP13791814.0A 2012-12-06 2013-11-15 Vitre dotée d'au moins une couche de protection contenant de l'oxyde d'étain et de zinc Pending EP2928838A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP13791814.0A EP2928838A1 (fr) 2012-12-06 2013-11-15 Vitre dotée d'au moins une couche de protection contenant de l'oxyde d'étain et de zinc

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP12195855 2012-12-06
PCT/EP2013/073930 WO2014086570A1 (fr) 2012-12-06 2013-11-15 Vitre dotée d'au moins une couche de protection contenant de l'oxyde d'étain et de zinc
EP13791814.0A EP2928838A1 (fr) 2012-12-06 2013-11-15 Vitre dotée d'au moins une couche de protection contenant de l'oxyde d'étain et de zinc

Publications (1)

Publication Number Publication Date
EP2928838A1 true EP2928838A1 (fr) 2015-10-14

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EP13791814.0A Pending EP2928838A1 (fr) 2012-12-06 2013-11-15 Vitre dotée d'au moins une couche de protection contenant de l'oxyde d'étain et de zinc

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EP (1) EP2928838A1 (fr)
WO (1) WO2014086570A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3017128A1 (fr) * 2014-01-31 2015-08-07 Saint Gobain Vitrage facile a nettoyer comprenant une couche externe a base d'oxyde d'etain et de zinc
WO2017021590A1 (fr) * 2015-07-31 2017-02-09 Saint-Gobain Glass France Vitrage de salle de bain

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1378839A (fr) 1963-04-16 1964-11-20 Saint Gobain Perfectionnement à la fabrication du verre en feuille
AU561315B2 (en) * 1984-10-29 1987-05-07 Ppg Industries Ohio, Inc. Sputtering films of metal alloy oxide
US4859532A (en) * 1986-11-27 1989-08-22 Asahi Glass Company Ltd. Transparent laminated product
US5397920A (en) * 1994-03-24 1995-03-14 Minnesota Mining And Manufacturing Company Light transmissive, electrically-conductive, oxide film and methods of production
CA2179853C (fr) * 1995-06-26 2007-05-22 Susumu Suzuki Stratifie
EP0914299B1 (fr) 1997-03-13 2002-07-24 Saint-Gobain Glass France Compositions de verre silico-sodo-calciques et leurs applications
DE19848751C1 (de) 1998-10-22 1999-12-16 Ver Glaswerke Gmbh Schichtsystem für transparente Substrate
FR2856627B1 (fr) * 2003-06-26 2006-08-11 Saint Gobain Substrat transparent muni d'un revetement avec proprietes de resistance mecanique
JP4552950B2 (ja) * 2006-03-15 2010-09-29 住友金属鉱山株式会社 ターゲット用酸化物焼結体、その製造方法、それを用いた透明導電膜の製造方法、及び得られる透明導電膜
EP2593302A1 (fr) * 2010-07-16 2013-05-22 Gevartis AG Procédé servant à améliorer des vitrages de protection thermique en empêchant la corrosion du verre due aux attaques alcalines et en fournissant un apprêt

Non-Patent Citations (1)

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Title
See references of WO2014086570A1 *

Also Published As

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