WO2005090255A2 - Glazing panel - Google Patents

Glazing panel Download PDF

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Publication number
WO2005090255A2
WO2005090255A2 PCT/EP2005/050945 EP2005050945W WO2005090255A2 WO 2005090255 A2 WO2005090255 A2 WO 2005090255A2 EP 2005050945 W EP2005050945 W EP 2005050945W WO 2005090255 A2 WO2005090255 A2 WO 2005090255A2
Authority
WO
WIPO (PCT)
Prior art keywords
glass sheet
glass
glazing panel
thickness
interlayer
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.)
Ceased
Application number
PCT/EP2005/050945
Other languages
English (en)
French (fr)
Other versions
WO2005090255A3 (en
Inventor
Etienne Degand
Pierre Goelff
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.)
AGC Glass Europe SA
Original Assignee
Glaverbel Belgium 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 Glaverbel Belgium SA filed Critical Glaverbel Belgium SA
Priority to EP20050729688 priority Critical patent/EP1725505A2/en
Priority to US10/598,594 priority patent/US20070218262A1/en
Priority to JP2007501291A priority patent/JP2007526204A/ja
Publication of WO2005090255A2 publication Critical patent/WO2005090255A2/en
Publication of WO2005090255A3 publication Critical patent/WO2005090255A3/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • B32B17/10045—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 with at least one intermediate layer consisting of a glass sheet
    • B32B17/10055—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 with at least one intermediate layer consisting of a glass sheet with at least one intermediate air space
    • 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
    • B32B17/10009—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
    • B32B17/10045—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 with at least one intermediate layer consisting of a glass sheet
    • 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
    • B32B17/10082—Properties of the bulk of a glass sheet
    • B32B17/10091—Properties of the bulk of a glass sheet thermally hardened
    • 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
    • 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
    • B32B17/10311—Intumescent layers for fire protection
    • 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
    • B32B17/10788—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
    • C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
    • C03C17/34—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions
    • 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
    • C03C27/00—Joining pieces of glass to pieces of other inorganic material; Joining glass to glass other than by fusing
    • C03C27/06—Joining glass to glass by processes other than fusing
    • C03C27/10—Joining glass to glass by processes other than fusing with the aid of adhesive specially adapted for that purpose
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41H—ARMOUR; ARMOURED TURRETS; ARMOURED OR ARMED VEHICLES; MEANS OF ATTACK OR DEFENCE, e.g. CAMOUFLAGE, IN GENERAL
    • F41H5/00—Armour; Armour plates
    • F41H5/02—Plate construction
    • F41H5/04—Plate construction composed of more than one layer
    • F41H5/0407—Transparent bullet-proof laminatesinformative reference: layered products essentially comprising glass in general B32B17/06, e.g. B32B17/10009; manufacture or composition of glass, e.g. joining glass to glass C03; permanent multiple-glazing windows, e.g. with spacing therebetween, E06B3/66
    • 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
    • B32B2419/00—Buildings or parts thereof
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B5/00—Doors, windows, or like closures for special purposes; Border constructions therefor
    • E06B5/10—Doors, windows, or like closures for special purposes; Border constructions therefor for protection against air-raid or other war-like action; for other protective purposes
    • E06B5/16—Fireproof doors or similar closures; Adaptations of fixed constructions therefor
    • E06B5/162—Fireproof doors having windows or other openings, e.g. for permitting ventilation or escape
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24942—Structurally defined web or sheet [e.g., overall dimension, etc.] including components having same physical characteristic in differing degree
    • Y10T428/2495—Thickness [relative or absolute]
    • Y10T428/24967—Absolute thicknesses specified
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31551—Of polyamidoester [polyurethane, polyisocyanate, polycarbamate, etc.]
    • Y10T428/31627—Next to aldehyde or ketone condensation product
    • Y10T428/3163—Next to acetal of polymerized unsaturated alcohol [e.g., formal butyral, etc.]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31551—Of polyamidoester [polyurethane, polyisocyanate, polycarbamate, etc.]
    • Y10T428/31645—Next to addition polymer from unsaturated monomers
    • Y10T428/31649—Ester, halide or nitrile of addition polymer

Definitions

  • This invention relates to glazing panels and particularly, but not exclusively, to glazing panels which are intended to provide a degree of fire protection or fire screening.
  • a fire screening glazing panel preferably fulfils a number of separate 5 functions. These may include:
  • Building codes define degrees of fi e shielding required for different building applications.
  • the present invention provides a glazing )5 panel as defined in Claim 1.
  • the maximum heat release rate of the interlayer may be less than 600, 550, 500, 450 or 400 kW/m 2 .
  • the maximum heat release rate may be determined by subjecting a sample of the interlayer material to a test in accordance with International standard ISO 5660-1 and measuring the heat release rate as a 0 function of time. This may then be expressed as heat release rate per m 2 of interlayer and the maximum heat release rate in KW/m 2 may be determined.
  • the rating of a 30 glazing panel according to this standard may be assessed for a glazing panel which does not have the appropriate dimensions by cutting the glazing panel to the appropriate size if possible or assessing the rating according to the test of a sample glazing having an appropriate size and having the same structure (for example being sold as the same product) as the glazing panel in question.
  • One aspect of the invention is at least partially based on the following reasoning developed by the inventors: • if the effect of the interlayer material during fire exposure can be controlled so that it does not significantly deteriorate the glazing panel's fire performance (even if the laminating interlayer does not contribute significantly to the fire performance) then a satisfactory level of fire performance may be achieved • ensuring that the rate at which heat is released from a laminating interlayer when a glazing panel is exposed to fire conditions is sufficiently low so as to avoid creating a rapid additional release of heat which may be detrimental to the fire performance of the glazing panel may prevent the laminating interlayer from having a significant negative effect on fire performance • such an interlayer may in addition contribute to a desired level of mechanical resistance
  • Glazings in accordance with various aspects of the invention may have a rating of 2B2 or preferably 1B1 according to this standard.
  • Glazings in accordance with various aspects of the invention may have fire ratings of at least E15, E20, E30, E45, E60, E90, E120, EW15, EW20, EW30, EW45, EW60, EW90, EW120, EI15, EI20, EI30, EI45, EI60, EI90 or EI120 as defined according to European Standards EN 1363 and EN 1364, particularly EN1364-1 . References herein to fire ratings and/or performance in fire tests are made with respect to these standards.
  • the invention may allow a glazing panel having, for example, dimensions of at least 0.4m by 0.4m, 0.4m by 0.5m, 0.5m by 0.5m, 0.5m by 0.6m, 0.6m by 0.6m, 0.6m by 0.7m, 0.7m by 0.7m, 0.7m by 0.8m, 0,8m by 0;9m, 0.9m by 0.9m, 0.9m by lm, 0.9m by 2.2m, or 0.9m by 2.4m, 0.95m by 1.95m, lm by 2m, lm by 2.2m, lm by 2.4m, 1.2m by 2m, 1.2m by 2.2m, , 1.2m by 2.4 m, 1.2m by 2.6m, 1.3m by 2m, 1.3m by 2.2m, 1.3m by 2.4 m, 1.3m by 2.6m, 1.3m by 1.3m by 2.2m, 1.3m by 2.4 m, 1.3m by 2.6m, 1.3m by
  • Glazing panels in accordance with various aspects of the invention are preferably non-wired glazing panels, that is to say, the sheets of glass they contain are not wired glass.
  • Some or all glass sheets used may be of soda lime glass, preferably float glass. Some or all of the glass sheets may be non-soda lime glass, for example, glass selected from borosilicate glass, glass having an expansion coefficient less than or equal to 9 x 10 "6 and glass having a Tg (transformation temperature) greater than or equal to 580°C
  • such a layer may have a thickness of less than or equal to 2.5mm, 2mm, 1.9mm or 1.6mm; such an intumescent layer may have a thickness on greater than or equal to lmm, 1.1mm or 1,2mm. Such a layer preferably has a thickness within the range of 1.2 to 1.6mm.
  • the intumescent layer may comprise or consist essentially of a silicate, for example a potassium silicate or preferably a sodium silicate.
  • the present invention provides a glazing panel as defined in Claim 4.
  • the multiple sheet glazing panel may have a fire resistance of greater than or equal to EW70, EW75, EW80, EW90 or EW100.
  • the sealed gas filled space may be filled with air or with a gas or mixture of gasses, for example with a gas mixture which increases the heat insulation of the glazing panel.
  • Fire indicates the orientation of the glazing panel for its fire rating and the coating layers are present as indicated on the adjacent glass surfaces. These structures and others defined in claim 5 may be particularly useful as architectural glazings for external building facades.
  • infra red reflecting coating/tempered 6mm glass sheet sealed gas space/infra red reflecting layer/tempered 6mm glass sheeV0.76mm PVB interlayer/ tempered 12 mm glass sheet may also be advantageous, with or without variations in the glass thicknesses, for example for maritime applications, particularly external cabin windows.
  • the glazing panel may have a surface area of greater than or equal to 0.8 m 2 , lm 2 , 1.2m 2 , 1.3m 2 , 1.4m 2 , or 1.5 m 2 .
  • the structures defined in claims 6, 7 and 8 may be particularly suited to interiors architectural glazing panels.
  • the thickness of the glass sheets may be approximately, 3mm, 4mm, 5mm or 6mm, with the individual sheets in each glazing panel having substantially the same thickness or different thicknesses.
  • This structure may be used to provide a range of glazing panels have different total thicknesses and/or different fire ratings.
  • the present invention provides a glazing panel as defined in Claim 9.
  • This may provide an alternative to polished wired glass by providing a desired fire rating in a relatively light structure without the inconvenience of a visible, wire grill embedded in the glazing.
  • These structures may also combine these advantages with a desired level of mechanical resistance.
  • the present invention provides a glazing panel as defined in claim 10.
  • the intumescent layer in such structures may be different from that commonly used in fire rated glazing structures. This may allow the intumescent layer to be optimised, particularly to ensure sealing or gas tightness during a fire test to ensure the integrity of the glazing panel.
  • one or more of the glass sheets may be heat tempered, for example with a surface compression of between about 80 MPa and 150 MPa, preferably between about 90 and 110 MPa, for example about 100 MPa
  • the infra-red reflectance of the glazing panel in the band of wavelengths 1-10 microns may be at least 60%, 65%, 70% 75%, 80%, 85%, 90% or 95%. This may provide good fire screening properties.
  • coating layers may be formed pyrolytically on the glass substrate or by a vacuum technique, for example, by sputtering.
  • the infra-red reflecting material is preferably silver or an alloy containing silver.
  • the normal emissivity of the glazing panel and/or of a coating may be less than or equal to 0.2, 0.15, 0.1 or 0.05. Normal emissivity as used herein refers to the normal emissivity determined in accordance with European standards EN 12898 / EN 673. This may confer good fire resistance.
  • Infra red reflecting layer means a coating layer selected from the group consisting of : a fluorine doped tin oxide coating; a coating comprising the structure antireflective dielectric layer/infra red reflecting layer/antireflective dielectric layer (for example, the coating stacks Ti0 2 /Ag barrier/Ti0 2 or Ti0 2 /Ag/barrier/Ti0 2 /Ag barrier/Ti ⁇ 2 ); a coating layer having a normal emissivity of less than 0.3, preferably less than 0.2.
  • Solar control layer means a coating layer which increases the selectivity (i.e. the ratio of the luminous transmittance to the solar factor) of the substrate to which it is applied.
  • the Luminous transmission of the glazing panel (i.e. the luminous flux transmitted through a substrate as a percentage of the incident luminous flux) may be, for example, greater than 15%, 30%, 50%, 60% or 70%.
  • the energetic transmission of the glazing panel i.e. the solar flux (luminous and non-luminous) transmitted through a substrate as a percentage of the incident solar flux
  • the energetic transmission of the glazing panel may be les than or equal to 70%, 65%, 60%, 55%, 50%, 45% or 40%.
  • the total DV transmittance of a glazing panel according to at least some embodiments of the invention measured according to European standard EN410 may be less than 5%, 2% or 1% and is preferably less than 0.5%.
  • FIG 1 which is a cross section of a glazing panel according to one embodiment the invention
  • FIG 2 which is a cross section of a glazing panel according to another embodiment of the invention
  • the glazing panel 10 of FIG 1 comprises the following elements:
  • the first 1 and second 2 glass sheets are approximately 4mm thick and are made of annealed, soda lime glass.
  • the third glass sheet 3 is approximately 6mm thick and is made of tempered soda lime glass having a surface compression at a central portion of about 100 MPa.
  • Face five F5 of the glazing panel on the third sheet of glass 3 carries a coating stack which provides solar control and infra red reflection properties (not shown) and which consists of the structure from the glass sheet of: antireflective dielectric layer/Ag/barrier/antireflective dielectric layer/Ag/barrier/antireflective dielectric layer.
  • the PVB interlayer has a maximum heat release rate of about 425 kW/m 2 when measured in the way previously referred to.
  • the glazing panel has dimensions of approximately lm x 1.5m and has a fire rating of EW60 when. the first sheet of glass 1 is exposed to a heat source during a fire test.
  • the glazing panel has a mechanical resistance of 2B2 in the punching bowl test with impact of the punching bow arranged against the first glass sheet.
  • the glazing panel 20 of FIG 2 comprises the following elements:
  • intumescent layer 24 comprising a sodium silicate assembled between the first 21 and second 22 glass sheets
  • Each of the first 21, second 22 and third 23 glass sheets are approximately 2mm thick and are made of annealed, soda lime glass.
  • the PVB interlayer has a maximum heat release rate of about 425 kW/m 2 when measured in the way previously referred to.
  • the glazing panel has dimensions of approximately lm x 1.5m and has a fire rating of EW30 when the first sheet of glass 1 is exposed to a heat source during a fire test.
  • the glazing panel has a mechanical resistance of 2B2 in the punching bowl test with impact of the punching bow arranged against the third glass sheet.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Ceramic Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Joining Of Glass To Other Materials (AREA)
  • Securing Of Glass Panes Or The Like (AREA)
  • Laminated Bodies (AREA)
PCT/EP2005/050945 2004-03-05 2005-03-03 Glazing panel Ceased WO2005090255A2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP20050729688 EP1725505A2 (en) 2004-03-05 2005-03-03 Glazing panel
US10/598,594 US20070218262A1 (en) 2004-03-05 2005-03-03 Glazing
JP2007501291A JP2007526204A (ja) 2004-03-05 2005-03-03 窓ガラスパネル

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP04100905A EP1577276A1 (en) 2004-03-05 2004-03-05 Glazing panel
EP04100905.1 2004-03-05

Publications (2)

Publication Number Publication Date
WO2005090255A2 true WO2005090255A2 (en) 2005-09-29
WO2005090255A3 WO2005090255A3 (en) 2006-04-13

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PCT/EP2005/050945 Ceased WO2005090255A2 (en) 2004-03-05 2005-03-03 Glazing panel

Country Status (6)

Country Link
US (1) US20070218262A1 (https=)
EP (2) EP1577276A1 (https=)
JP (1) JP2007526204A (https=)
CN (1) CN1946643A (https=)
RU (1) RU2375320C2 (https=)
WO (1) WO2005090255A2 (https=)

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EP2520896A2 (de) 2011-05-02 2012-11-07 Schott AG Durchschusshemmende Brandschutzverglasung
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DE202010008731U1 (de) 2010-10-05 2011-01-13 Schott Ag Verbundscheibe
DE102010037992A1 (de) 2010-10-05 2012-04-05 Schott Ag Verbundscheibe
EP2439064A1 (de) 2010-10-05 2012-04-11 Schott AG Verbundscheibe
EP2520896A2 (de) 2011-05-02 2012-11-07 Schott AG Durchschusshemmende Brandschutzverglasung
DE102011050039A1 (de) 2011-05-02 2012-11-08 Schott Ag Durchschusshemmende Brandschutzverglasung

Also Published As

Publication number Publication date
WO2005090255A3 (en) 2006-04-13
RU2375320C2 (ru) 2009-12-10
EP1725505A2 (en) 2006-11-29
CN1946643A (zh) 2007-04-11
EP1577276A1 (en) 2005-09-21
US20070218262A1 (en) 2007-09-20
RU2006135008A (ru) 2008-04-20
JP2007526204A (ja) 2007-09-13

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