EP3198101B1 - Abstandshalter für isolierverglasungen - Google Patents

Abstandshalter für isolierverglasungen Download PDF

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Publication number
EP3198101B1
EP3198101B1 EP15771064.1A EP15771064A EP3198101B1 EP 3198101 B1 EP3198101 B1 EP 3198101B1 EP 15771064 A EP15771064 A EP 15771064A EP 3198101 B1 EP3198101 B1 EP 3198101B1
Authority
EP
European Patent Office
Prior art keywords
metal
layer
spacer
polymeric
pane
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.)
Active
Application number
EP15771064.1A
Other languages
German (de)
English (en)
French (fr)
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EP3198101A1 (de
Inventor
Walter Schreiber
Martin RIGAUD
Hans-Werner Kuster
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
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Application filed by Saint Gobain Glass France SAS, Compagnie de Saint Gobain SA filed Critical Saint Gobain Glass France SAS
Priority to PL15771064T priority Critical patent/PL3198101T3/pl
Priority to EP18188188.9A priority patent/EP3421709B2/de
Publication of EP3198101A1 publication Critical patent/EP3198101A1/de
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Classifications

    • 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
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/66—Units comprising two or more parallel glass or like panes permanently secured together
    • E06B3/663—Elements for spacing panes
    • E06B3/66309—Section members positioned at the edges of the glazing unit
    • E06B3/66314—Section members positioned at the edges of the glazing unit of tubular shape
    • 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
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/66—Units comprising two or more parallel glass or like panes permanently secured together
    • E06B3/663—Elements for spacing panes
    • E06B3/66309—Section members positioned at the edges of the glazing unit
    • E06B3/66314—Section members positioned at the edges of the glazing unit of tubular shape
    • E06B3/66319—Section members positioned at the edges of the glazing unit of tubular shape of rubber, plastics or similar materials
    • 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
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/66—Units comprising two or more parallel glass or like panes permanently secured together
    • E06B3/663—Elements for spacing panes
    • E06B3/66309—Section members positioned at the edges of the glazing unit
    • E06B3/66333—Section members positioned at the edges of the glazing unit of unusual substances, e.g. wood or other fibrous materials, glass or other transparent materials
    • 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
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/66—Units comprising two or more parallel glass or like panes permanently secured together
    • E06B3/663—Elements for spacing panes
    • E06B3/66309—Section members positioned at the edges of the glazing unit
    • E06B3/66342—Section members positioned at the edges of the glazing unit characterised by their sealed connection to the panes
    • E06B3/66352—Section members positioned at the edges of the glazing unit characterised by their sealed connection to the panes with separate sealing strips between the panes and the spacer
    • 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
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/66—Units comprising two or more parallel glass or like panes permanently secured together
    • E06B3/663—Elements for spacing panes
    • E06B3/66309—Section members positioned at the edges of the glazing unit
    • E06B3/66333—Section members positioned at the edges of the glazing unit of unusual substances, e.g. wood or other fibrous materials, glass or other transparent materials
    • E06B2003/66338—Section members positioned at the edges of the glazing unit of unusual substances, e.g. wood or other fibrous materials, glass or other transparent materials of glass
    • 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
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/66—Units comprising two or more parallel glass or like panes permanently secured together
    • E06B3/663—Elements for spacing panes
    • E06B3/66309—Section members positioned at the edges of the glazing unit
    • E06B2003/6638—Section members positioned at the edges of the glazing unit with coatings
    • 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
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/66—Units comprising two or more parallel glass or like panes permanently secured together
    • E06B3/663—Elements for spacing panes
    • E06B3/66309—Section members positioned at the edges of the glazing unit
    • E06B3/66342—Section members positioned at the edges of the glazing unit characterised by their sealed connection to the panes
    • 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
    • E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/66—Units comprising two or more parallel glass or like panes permanently secured together
    • E06B3/673—Assembling the units
    • E06B3/67326—Assembling spacer elements with the panes

Definitions

  • the invention relates to a spacer for insulating glazings, a method for its production, an insulating glazing and their use.
  • the thermal conductivity of glass is about a factor of 2 to 3 lower than that of concrete or similar building materials.
  • slices are in most cases much thinner than comparable elements made of stone or concrete, buildings often lose the largest proportion of heat through the exterior glazing.
  • the additional costs for heating and air conditioning systems make up a not inconsiderable part of the maintenance costs of a building.
  • lower carbon dioxide emissions are required as part of stricter construction regulations.
  • An important solution for this is insulating glazing. Insulating glazings are indispensable in building construction, especially in the context of ever faster rising raw material prices and stricter environmental protection regulations. Insulating glazings therefore make up an increasing part of the outward glazing.
  • Insulating glazing usually contains at least two glass or polymeric materials. The disks are separated from each other by a gas or vacuum space defined by the spacer.
  • thermal insulation capacity of insulating glass is significantly higher than single glass and can be further increased and improved in triple glazing or with special coatings.
  • Silver-containing coatings for example, allow a reduced transmission of infrared radiation and thus reduce the heating of a building in summer.
  • optical and aesthetic features also increasingly play an important role in the field of building glazing.
  • the heat-insulating properties of insulating glazings are significantly influenced by the thermal conductivity in the region of the edge bond, in particular of the spacer.
  • the high thermal conductivity of the metal leads to the formation of a thermal bridge at the edge of the glass.
  • This thermal bridge leads on the one hand to heat losses in the edge region of the Insulating glazing and on the other hand at high humidity and low outside temperatures to form condensate on the inner pane in the area of the spacer.
  • so-called "warm-edge" systems are used, in which the spacers made of materials with lower thermal conductivity, such as plastics.
  • a challenge with the use of plastics is the correct sealing of the spacer. Leaks within the spacer can otherwise easily result in the loss of an inert gas between the insulating glazings. In addition to a poorer insulation effect, leaks can also easily lead to the ingress of moisture into the insulating glazing. Moisture-generated precipitation between the panes of the insulating glazing substantially degrades the optical quality and, in many cases, necessitates replacement of the entire insulating glazing.
  • Possible approaches to improve the seal and a concomitant reduction in thermal conductivity is the application of a barrier film on the spacer. This foil is usually attached to the spacer in the area of the outer seal. Common film materials include aluminum or stainless steel, which have good gas tightness. The metal surface ensures at the same time a good bonding of the spacer with the sealant.
  • WO2013 / 104507 A1 apparently a spacer with a polymeric body and an insulating film.
  • the insulating film contains a polymeric film and at least two metallic or ceramic layers, which are arranged alternately with at least one polymeric layer, wherein preferably the outer layers are polymeric layers.
  • the metallic layers have a thickness below one micron and must be protected by polymeric layers. Otherwise, the automated processing of the spacers during assembly of the insulating glazings can easily damage the metallic layers.
  • EP 0 852 280 A1 discloses a spacer for multi-pane insulating glazings.
  • the spacer comprises a metal foil with a thickness of less than 0.1 mm at the bonding surface and a glass fiber fraction in the plastic of the base body.
  • the outer metal foil is exposed to high mechanical loads during further processing in the insulating glazing. In particular, when spacers are further processed on automated production lines, it is easy to damage the metal foil and thus to the deterioration of the barrier effect.
  • the object of the invention is to provide a spacer for a glazing, which can be made particularly cost-effective and allows a good seal with simultaneous ease of installation, thus contributing to an improved long-term stable insulation.
  • the spacer according to the invention for multiple-pane insulating glazing comprises at least one polymeric base body and a multilayer insulating film.
  • the main body comprises two parallel disc contact surfaces, a gluing surface and a glazing interior surface.
  • the disc contact surfaces and the bonding surface are connected directly or alternatively via connecting surfaces.
  • the preferred two connecting surfaces preferably have an angle of 30 ° to 60 ° to the disc contact surfaces.
  • On the bonding surface or the bonding surface and the bonding surfaces is the insulating film.
  • the insulating film comprises at least one metal-containing barrier layer, a polymeric layer and a metal-containing thin layer.
  • a thin film in the sense of the invention denotes a layer with a thickness of less than 100 nm.
  • the metal-containing barrier layer has a thickness of 1 ⁇ m to 20 ⁇ m and seals the spacer against gas and moisture loss.
  • the metal-containing barrier layer points to the bonding surface and is connected to the bonding surface directly or via a bonding agent.
  • the layer facing the bonding surface is the layer of the insulating film which has the smallest distance from the bonding surface of the polymeric base body of all layers of the insulating film.
  • the polymeric layer has a thickness of 5 microns to 80 microns and serves the additional sealing.
  • the polymeric layer simultaneously protects the metal-containing barrier layer from mechanical damage during storage and automated assembly of the insulating glazing.
  • the metal-containing thin film has a thickness of 5 nm to 30 nm. It was surprising that an additional barrier effect can be achieved by such a thin metal-containing layer.
  • the metal-containing thin film adjoins the polymeric layer, which from a production point of view is particularly advantageous because such films can be prepared separately and are available at low cost.
  • a spacer is provided by the invention, which has a low thermal conductivity due to a low metal content, which is sealed excellent by a multiple barrier and also due to the simple structure of the insulating film is inexpensive to produce in large quantities.
  • the metal-containing barrier layer is very well protected by the polymeric layer, so that no damage to the otherwise sensitive metal-containing barrier layer can occur.
  • the insulating film preferably consists of the metal-containing barrier layer, the polymeric layer and the metal-containing thin layer. Already with these three layers a very good seal is achieved. The individual layers can be connected via adhesives.
  • the metal-containing thin layer is located outside and thus faces away from the polymeric base body.
  • the outer layer of all layers of the insulating film has the greatest distance to the bonding surface of the polymeric base body.
  • the layer sequence in the insulating film starting from the bond area is then: Metal-containing barrier layer polymer layer - metal-containing thin layer.
  • the thin film serves not only as an additional barrier against loss of gas and moisture, but also takes over the task of a bonding agent.
  • the adhesion of this thin layer to the usual materials of the outer seal is so excellent that can be dispensed with an additional adhesion promoter.
  • the polymeric layer is on the outside so that the layer sequence in the insulating film starting from the bond area is metal-containing barrier layer-metal-containing thin-film polymer layer. In this arrangement, the metal-containing barrier layer is protected from damage.
  • the insulating film contains at least one second metal-containing thin layer.
  • Another metal-containing thin film improves the barrier effect.
  • the metal-containing thin film is outside so that it acts as a primer.
  • Particularly preferred is a layer sequence in the insulating film metal-containing barrier layer - metal-containing thin layer - polymeric layer - metal-containing thin layer, starting from the bond area. In this arrangement, the barrier effect is further improved by the second metal-containing thin film and at the same time, the outer metal-containing thin film acts as a primer.
  • the metal-containing thin film is preferably deposited by a PVD (Physical Vapor Deposition) process. Coating processes for films with metal-containing thin films in the nanometer range are known and are used, for example, in the packaging industry.
  • the metal-containing thin film may be applied to a polymeric film by, for example, sputtering to the required thickness between 5 nm and 30 nm. Subsequently, this coated film can be laminated with a metal-containing barrier layer in a thickness in the micron range and thus the insulation film for the spacer according to the invention can be obtained. Such a coating can be done on one side or on both sides.
  • an insulating film can be obtained which, in combination with the polymeric base body, provides a spacer with excellent sealing.
  • the insulating film is attached to the bonding surface, the bonding surfaces and a part of the wafer contact surfaces.
  • the bonding surfaces and the bonding surfaces are completely covered by the insulating film and, in addition, the wafer contact surfaces are partially covered.
  • the insulating film extends over two thirds or half of the height h of the disc contact surfaces.
  • the metal-containing barrier layer preferably contains aluminum, silver, copper and / or alloys or mixtures thereof. Particularly preferably, the metal-containing layer contains aluminum.
  • Aluminum foils are characterized by a particularly good gas-tightness.
  • the metallic layer has a thickness of 5 .mu.m to 10 .mu.m, more preferably from 6 .mu.m to 9 .mu.m. Within the stated layer thicknesses, a particularly good tightness of the insulation film could be observed.
  • the metal-containing barrier layer is protected by a polymeric layer in the structure according to the invention, in Compared to commercially available spacers (about 30 microns to 100 microns thickness of the metal-containing layers) thinner metal-containing layers are used, whereby the heat-insulating properties of the spacer can be improved.
  • the metal-containing thin layer preferably contains metals and / or metal oxides.
  • metal oxides provide good adhesion to the materials of the outer seal when the thin film is on the outside.
  • the metal-containing thin layer of aluminum and / or alumina. These materials provide good adhesion and at the same time have a particularly good barrier effect.
  • the metal-containing thin film preferably has a thickness of 10 nm to 30 nm, particularly preferably 15 nm. In such a thickness, a good additional barrier effect is achieved without there being a deterioration of the thermal properties by forming a thermal bridge.
  • the insulating film is glued to the bonding surface via a non-gasifying adhesive, such as a polyurethane hot melt adhesive, which cures under moisture.
  • a non-gasifying adhesive such as a polyurethane hot melt adhesive
  • the insulating film preferably has a gas permeation of less than 0.001 g / (m 2 h).
  • the insulating film can be applied to the base body, for example, glued. Alternatively, the insulating film can be coextruded with the base body.
  • the polymeric layer preferably comprises polyethylene terephthalate, ethylene vinyl alcohol, polyvinylidene chloride, polyamides, polyethylene, polypropylene, silicones, acrylonitriles, polyacrylates, polymethyl acrylates and / or copolymers or mixtures thereof.
  • the polymeric layer preferably has a thickness of 5 ⁇ m to 24 ⁇ m, more preferably 12 ⁇ m. At these thicknesses, the underlying metallic barrier layer is particularly well protected.
  • the base body preferably has a width b of 5 mm to 45 mm along the glazing interior surface, particularly preferably 8 mm to 20 mm.
  • the exact diameter depends on the dimensions of the glazing and the desired space size.
  • the main body preferably has an overall height g of 5.5 mm to 8 mm, particularly preferably 6.5 mm, along the wafer contact surfaces.
  • the main body preferably contains a drying agent, preferably silica gels, molecular sieves, CaCl 2 , Na 2 SO 4 , activated carbon, silicates, bentonites, zeolites and / or mixtures thereof.
  • the desiccant can be incorporated either within a central cavity or in the glass fiber reinforced polymer body itself.
  • the desiccant is preferably contained within the central cavity.
  • the desiccant can then be filled directly before the assembly of the glazing. This ensures a particularly high absorption capacity of the desiccant in the finished insulating glazing.
  • the glazing interior surface preferably has openings which allow the humidity to be absorbed by the desiccant contained in the base body.
  • the main body preferably comprises polyethylene (PE), polycarbonates (PC), polypropylene (PP), polystyrene, polyesters, polyurethanes, polymethylmethacrylates, polyacrylates, polyamides, polyethylene terephthalate (PET), polybutylene terephthalate (PBT), preferably acrylonitrile-butadiene-styrene (ABS) , Acrylic ester-styrene-acrylonitrile (ASA), acrylonitrile-butadiene-styrene - polycarbonate (ABS / PC), styrene-acrylonitrile (SAN), PET / PC, PBT / PC and / or copolymers or mixtures thereof.
  • PE polyethylene
  • PC polycarbonates
  • PP polypropylene
  • polystyrene polyesters
  • polyurethanes polymethylmethacrylates
  • polyacrylates polyamides
  • PET polyethylene terephthalate
  • PBT polybutylene
  • the main body is preferably glass fiber reinforced.
  • the main body preferably has a glass fiber content of 20% to 50%, particularly preferably from 30% to 40%.
  • the glass fiber content in the base body simultaneously improves the strength and stability.
  • the invention further comprises an insulating glazing comprising at least two panes, one circulating between the panes in the edge region of the panes arranged spacers according to the invention, a sealing means and an outer sealing layer.
  • a first disk is applied to the first disk contact surface of the spacer and a second disk to the second disk contact surface.
  • Between the first disc and the first disc contact surface and the second disc and the second disc contact surface sealing means is mounted.
  • the two discs protrude beyond the spacer, so that a circumferential edge region is created, which is filled with an outer sealing layer, preferably a plastic sealing compound.
  • the marginal space lies opposite the inner space between the panes and is limited by the two panes and the spacers.
  • the outer sealing layer is in contact with the insulating film of the spacer according to the invention.
  • the outer sealing layer preferably contains polymers or silane-modified polymers, particularly preferably polysulfides, silicones, RTV (room temperature curing) silicone rubber, HTV (high temperature cure) silicone rubber, peroxidically crosslinked silicone rubber and / or addition-crosslinked silicone rubber, polyurethanes, butyl rubber and / or polyacrylates.
  • the discs contain materials such as glass and / or transparent polymers.
  • the discs preferably have an optical transparency of> 85%. In principle, different geometries of the disks are possible, for example rectangular, trapezoidal and rounded geometries.
  • the discs preferably have a heat-resistant coating.
  • the thermal barrier coating preferably contains silver.
  • the insulating glazing can be filled with a noble gas, preferably argon or krypton, which reduce the heat transfer value in the insulating glazing gap.
  • the polymeric body is produced by extrusion.
  • the insulation film is produced. First, it becomes a polymeric film in a PVD process metallized. This gives the structure required for the insulating film of polymeric layer and metal-containing thin film. This process is already widely used for the production of films in the packaging industry, so that the layer structure of polymeric layer and metal-containing thin film can be produced inexpensively.
  • the metallized polymeric layer is laminated with the metal-containing barrier layer.
  • a thin metal foil (corresponding to the metal-containing barrier layer) is connected to the prepared metallized polymeric layer by lamination.
  • the metal-containing barrier layer can be applied to both the polymeric layer and the metal-containing thin film.
  • the metal-containing thin layer in the finished insulation film is outside and can thus serve as a bonding agent to the material of the outer seal after mounting on the spacer.
  • the metal-containing thin film lies inside and is thus protected against damage.
  • the insulating film is preferably attached via an adhesive to the bonding surface of the polymeric base body.
  • the invention further comprises the use of a spacer according to the invention in multiple glazings, preferably in insulating glazings.
  • FIG. 1 shows a cross section of the spacer 1 according to the invention.
  • the glass-fiber-reinforced polymeric base body 2 comprises two parallel disc contact surfaces 3.1 and 3.2, which make contact with the discs of a Produce insulating glazing.
  • the disc contact surfaces 3.1 and 3.2 are connected via an outer bonding surface 5 and a glazing inner surface 4.
  • two angled connecting surfaces 6.1 and 6.2 are preferably arranged.
  • the connecting surfaces 6.1, 6.2 preferably extend at an angle (Alfa) of 30 ° to 60 ° to the bonding surface 5.
  • the glass-fiber-reinforced polymeric base body 2 preferably contains styrene-acrylonitrile (SAN) and about 35% by weight of glass fiber.
  • SAN styrene-acrylonitrile
  • the angled shape of the first connection surface 6.1 and the second connection surface 6.2 improves the stability of the glass fiber reinforced polymer base body 2 and allows as in FIG. 2 shown a better bonding and isolation of the spacer according to the invention.
  • the main body has a cavity 8 and the wall thickness of the polymeric base body 2 is for example 1 mm.
  • the width b (see FIG. 5 ) of the polymeric base body 2 along the glazing inner surface 4 is 12 mm, for example.
  • the total height of the polymer body is 6.5 mm.
  • an insulating film 10 is attached, which at least one in FIG.
  • the entire spacer according to the invention has a thermal conductivity of less than 10 W / (m K) and a gas permeation of less than 0.001 g / (m 2 h).
  • the spacer according to the invention improves the insulation effect.
  • FIG. 2 shows a cross section of the insulating glazing according to the invention with the spacer 1 described in FIG. 1 , Between a first insulating glass pane 15 and a second insulating glass pane 16, the glass-fiber-reinforced polymeric basic body 2 with the insulating film 10 fastened thereon is arranged.
  • the insulating film 10 is arranged on the bonding surface 5, the first connection surface 6.1 and the second connection surface 6.2 and on a part of the disk contact surfaces.
  • the first disk 15, the second disk 16 and the insulating film 10 define the outer edge space 20 of the insulating glazing.
  • the outer sealing layer 17 which contains, for example polysulfide arranged.
  • the insulating film can be fixed to the polymer base 2 with PUR hot-melt adhesive, for example.
  • a sealing means 18 is preferably arranged between the disc contact surfaces 3.1, 3.2 and the insulating glass panes 15, 16, a sealing means 18 is preferably arranged. This contains, for example, butyl.
  • the sealant 18 overlaps with the insulating film to prevent potential interfacial diffusion.
  • the first insulating glass pane 15 and the second Insulating glass pane 16 preferably have the same dimensions and thicknesses.
  • the discs preferably have an optical transparency of> 85%.
  • the insulating glass panes 15, 16 preferably contain glass and / or polymers, preferably flat glass, float glass, quartz glass, borosilicate glass, soda lime glass, polymethyl methacrylate and / or mixtures thereof.
  • the first insulating glass pane 15 and / or the second insulating glass pane 16 may be formed as a laminated glass pane.
  • the insulating glazing invention forms in this case a triple or quadruple glazing.
  • a desiccant 9 for example molecular sieve, is arranged within the central cavity 8. This desiccant 9 can be filled in the cavity 8 of the spacer 1 prior to assembly of the glazing.
  • the glazing interior surface 4 comprises smaller openings 7 or pores, which allow a gas exchange with the disk interior 19.
  • FIG. 3 shows a cross section of the insulating film 10 of the invention.
  • the insulating film 10 comprises a metal-containing barrier layer 12 of 7 microns thick aluminum, a polymeric layer of 12 micron thick polyethylene terephthalate (PET) and a metal-containing thin film of 10 nm thick aluminum.
  • PET polyethylene terephthalate
  • Polyethylene terephthalate is particularly suitable to protect the 7 micron thick aluminum layer from mechanical damage, since PET films are characterized by a particularly high tensile strength.
  • the film layers are arranged so that the aluminum layers, that is, the metal-containing barrier layer 12 and the metal-containing thin film 14, are on the outside.
  • the film is arranged on a polymeric base body according to the invention so that the metal-containing barrier layer 12 faces the bonding surface 5.
  • the metal-containing thin film 14 faces outward and at the same time acts as an adhesive layer against the material of the outer sealing layer 17.
  • the metal-containing thin film 14 not only performs a barrier effect but also the function of a bonding agent.
  • the structure of the insulating film 10 according to the invention lowers the thermal conductivity of the insulating film in comparison to the insulating films, which consist exclusively of an aluminum foil, since the thicknesses of the metal-containing layers of the insulating film 10 according to the invention are lower.
  • Insulation foils consisting only of aluminum foil must be thicker, since aluminum foils with thicknesses below 0.1 mm are highly sensitive to mechanical damage, which may occur, for example, during automated installation in insulating glazing.
  • a with said inventive insulating film 10 and the glass fiber reinforced polymer Base 2 provided spacer 1 has a thermal thermal conductivity of 0.29 W / (m K).
  • FIG. 4 shows a cross section of an alternative embodiment of the insulating film according to the invention.
  • the materials and thicknesses are as in FIG. 3 However, the order of the individual layers differs.
  • the metal-containing thin film 14 lies between the metal-containing barrier layer 12 and the polymeric layer 13. In this arrangement, the metal-containing barrier layer 12 is protected from damage by the polymeric layer 13, thereby ensuring an unrestricted barrier effect.
  • FIG. 5 shows a cross section of another embodiment of the insulating film according to the invention.
  • the structure of the insulating film 10 is substantially as in FIG. 4 described.
  • another metal-containing thin film 14 is disposed adjacent to the polymeric layer 13. This thin film 14 in particular improves the adhesion to the material of the outer sealing layer 17 in the finished insulating glazing.
  • FIG. 6 shows a cross section of a spacer according to the invention comprising a glass fiber reinforced polymer base body 2 and an insulating film 10, on the bonding surface 5, the connecting surfaces 6.1. and 6.2 and about two thirds of the disc contact surfaces 3.1 and 3.2 is attached.
  • the width b of the polymeric base body along the gasification inner surface 4 is 12 mm and the total height g of the polymeric base body 2 is 6.5 mm.
  • the structure of the insulating film 10 is as in FIG. 3 shown.
  • the insulating film 10 is attached via an adhesive 11, in this case a polyurethane hot melt adhesive.
  • the polyurethane hot melt glues the metal-containing barrier layer 12 pointing to the bonding surface 5 particularly well with the polymeric base body 2.
  • the polyurethane hot melt adhesive is one non-gaseous adhesive to prevent gases from diffusing into the disc interior 19 and causing the formation of visible precipitates.

Landscapes

  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Securing Of Glass Panes Or The Like (AREA)
  • Joining Of Glass To Other Materials (AREA)
  • Laminated Bodies (AREA)
EP15771064.1A 2014-09-25 2015-09-18 Abstandshalter für isolierverglasungen Active EP3198101B1 (de)

Priority Applications (2)

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PL15771064T PL3198101T3 (pl) 2014-09-25 2015-09-18 Przekładka do oszklenia izolacyjnego
EP18188188.9A EP3421709B2 (de) 2014-09-25 2015-09-18 Abstandshalter für isolierverglasungen

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Application Number Priority Date Filing Date Title
EP14186342 2014-09-25
PCT/EP2015/071452 WO2016046081A1 (de) 2014-09-25 2015-09-18 Abstandshalter für isolierverglasungen

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EP3198101A1 EP3198101A1 (de) 2017-08-02
EP3198101B1 true EP3198101B1 (de) 2018-08-15

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EP (2) EP3198101B1 (zh)
JP (1) JP6479172B2 (zh)
KR (2) KR102056036B1 (zh)
CN (1) CN106715819B (zh)
AU (1) AU2015321001B2 (zh)
BR (1) BR112017003684B1 (zh)
CA (1) CA2958613C (zh)
DK (1) DK3198101T3 (zh)
MX (1) MX2017003876A (zh)
PL (1) PL3198101T3 (zh)
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CA2958613A1 (en) 2016-03-31
BR112017003684A2 (pt) 2017-12-05
MX2017003876A (es) 2017-06-19
EP3421709A1 (de) 2019-01-02
US10626663B2 (en) 2020-04-21
AU2015321001B2 (en) 2018-10-18
BR112017003684B1 (pt) 2022-04-05
CA2958613C (en) 2019-05-07
KR102056036B1 (ko) 2019-12-13
CN106715819B (zh) 2019-08-13
EP3421709B2 (de) 2022-11-30
EP3198101A1 (de) 2017-08-02
JP6479172B2 (ja) 2019-03-06
RU2643977C1 (ru) 2018-02-06
AU2015321001A1 (en) 2017-04-06
EP3421709B1 (de) 2020-01-29
US20170298680A1 (en) 2017-10-19
DK3198101T3 (en) 2018-12-03
CN106715819A (zh) 2017-05-24
WO2016046081A1 (de) 2016-03-31
NZ730418A (en) 2021-04-30
KR20170047298A (ko) 2017-05-04
JP2017534779A (ja) 2017-11-24
PL3198101T3 (pl) 2019-01-31
KR20190057430A (ko) 2019-05-28

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