EP3052731A1 - Abstandshalter für isolierverglasungen - Google Patents
Abstandshalter für isolierverglasungenInfo
- Publication number
- EP3052731A1 EP3052731A1 EP14753266.7A EP14753266A EP3052731A1 EP 3052731 A1 EP3052731 A1 EP 3052731A1 EP 14753266 A EP14753266 A EP 14753266A EP 3052731 A1 EP3052731 A1 EP 3052731A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- wall
- spacer
- polymeric
- base body
- spacer according
- 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.)
- Granted
Links
- 125000006850 spacer group Chemical group 0.000 title claims abstract description 118
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 49
- 239000011521 glass Substances 0.000 claims abstract description 41
- 239000000919 ceramic Substances 0.000 claims abstract description 13
- 238000009413 insulation Methods 0.000 claims abstract description 13
- 239000002184 metal Substances 0.000 claims abstract description 7
- 229910052751 metal Inorganic materials 0.000 claims abstract description 7
- 229910001092 metal group alloy Inorganic materials 0.000 claims abstract description 3
- 239000010410 layer Substances 0.000 claims description 42
- -1 polyethylene terephthalate Polymers 0.000 claims description 24
- 229920000515 polycarbonate Polymers 0.000 claims description 21
- 239000004417 polycarbonate Substances 0.000 claims description 21
- 239000003365 glass fiber Substances 0.000 claims description 18
- 239000002274 desiccant Substances 0.000 claims description 14
- 229920000139 polyethylene terephthalate Polymers 0.000 claims description 13
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 13
- 239000013047 polymeric layer Substances 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 12
- 239000004743 Polypropylene Substances 0.000 claims description 10
- 229920001155 polypropylene Polymers 0.000 claims description 10
- 239000010931 gold Substances 0.000 claims description 9
- 229920001707 polybutylene terephthalate Polymers 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 8
- 239000004698 Polyethylene Substances 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 7
- 229920000573 polyethylene Polymers 0.000 claims description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000004676 acrylonitrile butadiene styrene Substances 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 5
- 229920001577 copolymer Polymers 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 239000010935 stainless steel Substances 0.000 claims description 5
- 229910001220 stainless steel Inorganic materials 0.000 claims description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 4
- 239000004952 Polyamide Substances 0.000 claims description 4
- 229920002647 polyamide Polymers 0.000 claims description 4
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 3
- XECAHXYUAAWDEL-UHFFFAOYSA-N acrylonitrile butadiene styrene Chemical compound C=CC=C.C=CC#N.C=CC1=CC=CC=C1 XECAHXYUAAWDEL-UHFFFAOYSA-N 0.000 claims description 3
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 claims description 3
- 239000002808 molecular sieve Substances 0.000 claims description 3
- 229920000058 polyacrylate Polymers 0.000 claims description 3
- 229920001296 polysiloxane Polymers 0.000 claims description 3
- 229920002635 polyurethane Polymers 0.000 claims description 3
- 239000004814 polyurethane Substances 0.000 claims description 3
- 230000002787 reinforcement Effects 0.000 claims description 3
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 claims description 3
- 229920000638 styrene acrylonitrile Polymers 0.000 claims description 3
- 239000011145 styrene acrylonitrile resin Substances 0.000 claims description 3
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 2
- 229920000219 Ethylene vinyl alcohol Polymers 0.000 claims description 2
- 229920002319 Poly(methyl acrylate) Polymers 0.000 claims description 2
- 239000005062 Polybutadiene Substances 0.000 claims description 2
- 239000004793 Polystyrene Substances 0.000 claims description 2
- 229920001328 Polyvinylidene chloride Polymers 0.000 claims description 2
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 2
- 150000008360 acrylonitriles Chemical class 0.000 claims description 2
- 239000000956 alloy Substances 0.000 claims description 2
- 235000012216 bentonite Nutrition 0.000 claims description 2
- 239000011651 chromium Substances 0.000 claims description 2
- 229910052804 chromium Inorganic materials 0.000 claims description 2
- 239000010949 copper Substances 0.000 claims description 2
- 229910052802 copper Inorganic materials 0.000 claims description 2
- 239000004715 ethylene vinyl alcohol Substances 0.000 claims description 2
- 239000000499 gel Substances 0.000 claims description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 2
- 229910052737 gold Inorganic materials 0.000 claims description 2
- RZXDTJIXPSCHCI-UHFFFAOYSA-N hexa-1,5-diene-2,5-diol Chemical compound OC(=C)CCC(O)=C RZXDTJIXPSCHCI-UHFFFAOYSA-N 0.000 claims description 2
- 229910052742 iron Inorganic materials 0.000 claims description 2
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims description 2
- 229920002857 polybutadiene Polymers 0.000 claims description 2
- 229920000728 polyester Polymers 0.000 claims description 2
- 229920005554 polynitrile Polymers 0.000 claims description 2
- 229920002223 polystyrene Polymers 0.000 claims description 2
- 239000005033 polyvinylidene chloride Substances 0.000 claims description 2
- 150000004760 silicates Chemical class 0.000 claims description 2
- 239000000377 silicon dioxide Substances 0.000 claims description 2
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 2
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 2
- 229910052709 silver Inorganic materials 0.000 claims description 2
- 239000004332 silver Substances 0.000 claims description 2
- 239000010457 zeolite Substances 0.000 claims description 2
- 229920006942 ABS/PC Polymers 0.000 claims 1
- 229910000676 Si alloy Inorganic materials 0.000 claims 1
- 230000000052 comparative effect Effects 0.000 description 12
- 238000005452 bending Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 7
- 229920003023 plastic Polymers 0.000 description 7
- 239000004033 plastic Substances 0.000 description 7
- 229920000642 polymer Polymers 0.000 description 7
- 239000000565 sealant Substances 0.000 description 7
- 239000011888 foil Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 239000011261 inert gas Substances 0.000 description 5
- 229920002379 silicone rubber Polymers 0.000 description 5
- 239000004945 silicone rubber Substances 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 4
- 239000011152 fibreglass Substances 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 229920000092 linear low density polyethylene Polymers 0.000 description 2
- 239000004707 linear low-density polyethylene Substances 0.000 description 2
- 239000005361 soda-lime glass Substances 0.000 description 2
- 239000002318 adhesion promoter Substances 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 239000007767 bonding agent Substances 0.000 description 1
- 229920005549 butyl rubber Polymers 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052743 krypton Inorganic materials 0.000 description 1
- DNNSSWSSYDEUBZ-UHFFFAOYSA-N krypton atom Chemical compound [Kr] DNNSSWSSYDEUBZ-UHFFFAOYSA-N 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 150000008116 organic polysulfides Chemical class 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 229920001748 polybutylene Polymers 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000003707 silyl modified polymer Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000003351 stiffener Substances 0.000 description 1
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
- E06B3/66361—Section members positioned at the edges of the glazing unit with special structural provisions for holding drying agents, e.g. packed in special containers
-
- 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
- E06B3/66304—Discrete spacing elements, e.g. for evacuated glazing units
-
- 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
- E06B3/673—Assembling the units
- E06B3/67304—Preparing rigid spacer members before assembly
-
- 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
- E06B3/67304—Preparing rigid spacer members before assembly
- E06B3/67308—Making spacer frames, e.g. by bending or assembling straight sections
- E06B3/67313—Making spacer frames, e.g. by bending or assembling straight sections by bending
-
- 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
- E06B3/677—Evacuating or filling the gap between the panes ; Equilibration of inside and outside pressure; Preventing condensation in the gap between the panes; Cleaning the gap between the panes
- E06B3/6775—Evacuating or filling the gap during assembly
-
- 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
Definitions
- the invention relates to a spacer for insulating glazing, a method for its production, its use and an insulating glazing.
- Insulating glazings usually consist of two glass panes, which are arranged at a defined distance from each other by a spacer (spacer).
- the spacer is arranged circumferentially in the edge region of the glazing. Between the discs, a gap is thus formed, which is usually filled with an inert gas.
- the heat flow between the limited by the glazing interior and the external environment can be significantly reduced by the insulating glazing compared to a simple glazing.
- the spacer has a non-negligible influence on the thermal properties of the disc.
- Conventional spacers are made of a light metal, usually aluminum. These can be processed easily.
- the spacer is typically made as a straight endless profile, which is cut to the required size and then bent into the rectangular shape required for use in the insulating glazing. Due to the good thermal conductivity of the aluminum, however, the insulating effect of the glazing in the edge area is significantly reduced ⁇ cold edge effect).
- spacers In order to improve the thermal properties, so-called warm ec / ge solutions for spacers are known. These spacers are made in particular of plastic and therefore have a significantly reduced thermal conductivity. Plastic spacers are known for example from DE 27 52 542 C2 or DE 19 625 845 A1. As far as processing is concerned, however, the plastic spacers have disadvantages. Although they can be produced by extrusion as an endless profile, for example, the subsequent bending requires local heating of the material, which is not easy to achieve with conventional machines. Such profiles therefore require considerable investment for the manufacturer of insulating glazings.
- the present invention has for its object to provide such a spacer.
- the spacer according to the invention for insulating glazing of at least two glass panes comprises at least one polymeric base body.
- the polymeric base body comprises at least two mutually parallel side walls, which are intended to be facing the glass sheets and to be brought into contact with the glass sheets, and which are interconnected by an inner wall and an outer wall.
- the side walls, the inner wall and the outer wall surround a hollow chamber.
- Such a hollow chamber is common for spacers and is provided in particular for receiving a desiccant.
- a reinforcing strip is preferably incorporated.
- the reinforcing strip preferably contains at least one metal or a metallic alloy.
- embedded means that the reinforcing strip is surrounded all around by the material of the polymeric main body or the side walls of the polymeric main body.
- the reinforcing strips give the spacer the necessary flexibility to be processed with conventional industrial equipment. The spacer can be bent to its final shape without having to be heated first. The reinforcement strips keep the shape permanently stable. In addition, the reinforcing strip increases the stability of the spacer. However, the reinforcing strips do not act as a thermal bridge, so that the properties of the spacer with respect to the heat conduction are not significantly adversely affected.
- the reinforcing strips are incorporated in the polymeric base body, so they have no contact with the environment; (B) the reinforcing strips arranged in the side walls and not in the outer wall or the inner wall, over which the heat exchange between the space between the panes and the outside environment takes place.
- the simultaneous realization of bendability and optimum thermal properties is the decisive advantage of the present invention.
- the inventors have also recognized that the bendability depends on the glass fiber content of the polymeric base body.
- the glass fiber content is in conventional polymeric spacers made of glass fiber reinforced plastic at about 35 wt .-%. By this glass fiber content sufficient stability of the spacer is achieved. However, the spacer with such a high fiber content is too stiff to be bent without damage.
- the inventors have recognized that a glass fiber content of at most 20 wt .-% allows good flexibility.
- the associated with the reduced glass fiber content lower rigidity and stability, especially against restoring forces after bending, is compensated by the reinforcing profiles of the invention.
- the reinforcing strips according to the invention in conjunction with the inventively low glass fiber content of the polymer body thus allow good flexibility while high stability and rigidity in installation position.
- the other sections of the main body except the side walls, in particular the inner wall and the outer wall, preferably have no metallic inclusions.
- the thermal conductivity ( ⁇ value) of the spacer is preferably less than 0.25 W / (m * K), more preferably less than 0.2 W / (m * K). This refers to the thermal conductivity measured for the entire spacer (equivalent thermal conductivity) without consideration of local fluctuations in the thermal conductivity as a function of the exact position on the spacer.
- Such low thermal conductivities are surprisingly achieved by a polymeric base body with the reinforcing profile according to the invention.
- the side walls of the polymeric base body are intended to be facing the glass sheets in the manufactured insulating glazing.
- the contact of the spacer with the glass panes takes place via the side walls. There must be no direct contact between spacer and disc. Instead, the contact can be made indirectly, for example via a sealing compound.
- the inner wall is designed to face the gap between the glass panes in the finished insulating glazing.
- the inner wall is provided in an advantageous embodiment with holes to ensure the effect of a desiccant in the hollow chamber on the gap.
- the outer wall is opposite the inner wall and is intended to face the outer periphery of the insulating glazing.
- the Au 270wand points out of the gap between the glass panes, in which the spacer is arranged out.
- the side walls, the outer wall and the inner wall and optionally the connecting portions each preferably have a thickness (material thickness) of 0.5 mm to 2 mm, particularly preferably from 0.8 mm to 1, 5 mm.
- the thickness of the polymeric body is preferably constant, that is, all the walls and portions have the same thickness. Such a spacer is easy to work with and advantageously stable.
- the inner wall, the outer wall and the side walls are each formed plan in a preferred embodiment.
- the inner wall, the outer wall and the side walls are in this sense, planar portions of the polymeric body.
- Each wall is connected at its ends to the respective ends of the two adjacent walls.
- the side walls may be connected directly to the inner wall and the outer wall.
- the inner wall is connected directly to the side walls, while the outer wall is connected indirectly, namely via connecting portions with the side walls.
- the connecting sections are preferably also flat educated.
- the inner wall is preferably arranged at an angle of about 90 ° to each side wall.
- the side walls are parallel to each other and the inner wall is parallel to the outer wall.
- the connecting portions are preferably arranged at an angle to each side wall of 120 ° to 150 °, ideally 135 °. This shape for the spacer has proven particularly useful.
- the width of the polymeric base body is preferably from 5 mm to 35 mm, particularly preferably from 5 mm to 33 mm, for example from 10 mm to 20 mm.
- the width is within the meaning of the invention extending between the side walls dimension.
- the width is the distance between the facing away from each other surfaces of the two side walls.
- the width of the base body defines the distance of the two glass panes in the insulating glazing.
- the height of the polymeric base body is preferably from 3 mm to 20 mm, more preferably from 5 mm to 10 mm and most preferably from 5 mm to 8 mm.
- the hollow chamber of the spacer has an advantageous size for receiving a suitable amount of desiccant.
- the height is the distance between the opposite surfaces of the outer wall and the inner wall.
- the polymeric base body preferably comprises at least polyethylene (PE), polycarbonates (PC), polypropylene (PP), polystyrene, polybutadiene, polynitriles, polyesters, polyurethanes, polymethylmethacrylates, polyacrylates, polyamides, polyethylene terephthalate (PET), polybutylene terephthalate (PBT), acrylonitrile-butadiene Styrene (ABS), acrylic ester-styrene-acrylonitrile (ASA), acrylonitrile-butadiene-styrene-polycarbonate (ABS / PC), styrene-acrylonitrile (SAN), polyethylene terephthalate-polycarbonate (PET / PC), polybutylene terephthalate-polycarbonate (PBT / PC) or copolymers or derivatives or mixtures thereof.
- PE polyethylene
- PC polycarbonates
- PP polypropylene
- polystyrene polybut
- the polymeric base body particularly preferably contains polypropylene (PP), acrylonitrile-butadiene-styrene (ABS), acrylic ester-styrene-acrylonitrile (ASA), acrylonitrile-butadiene-styrene-polycarbonate (ABS / PC), styrene-acrylonitrile (SAN), polyethylene terephthalate Polycarbonate (PET / PC),
- the polymeric base body preferably has a glass fiber content of 0 wt .-% to 20 wt .-%, particularly preferably from 0 wt .-% to 15 wt .-%.
- the glass fiber content is low.
- the glass fiber content is 0 wt .-%
- the polymeric base body thus contains no glass fiber reinforced plastic.
- the polymeric base body contains glass fiber reinforced plastic, wherein the glass fiber content is less than 20 wt .-%, preferably less than 15 wt .-%.
- the reinforcing strip according to the invention contains, in a preferred embodiment, at least steel.
- Steel is readily available, easy to process and gives the spacer a particularly advantageous bendability and also improves the stability and rigidity.
- the steel is most preferably not stainless steel, which is particularly advantageous in terms of the cost of the spacer. Corrosion of the steel is prevented by the incorporation into the polymer body.
- the reinforcing strip preferably has a thickness of from 0.05 mm to 1 mm, particularly preferably from 0.1 mm to 0.5 mm, very particularly preferably from 0.2 mm to 0.4 mm, in particular from 0.25 mm 0.35 mm. In a particularly preferred embodiment, the thickness of the reinforcing strip is about 0.3 mm. This achieves particularly good results with regard to the bendability, rigidity and stability of the spacer.
- the reinforcing strip preferably has a width of 1 mm to 5 mm. This achieves good bendability and stiffening. Of course, the width of the reinforcement stiffener also depends on the width of the side wall in the individual case.
- the length of the reinforcing strip preferably corresponds to the length of the polymeric base body.
- the reinforcing strip may be perforated in an embodiment of the invention. By suitable perforation, the bendability can be favorably influenced.
- the reinforcing strip is connected via a bonding agent with the polymeric body.
- Each contact surface between the reinforcing strip and the base body is preferably provided with the adhesion promoter. This is particularly advantageous for the adhesion between the polymer body and reinforcing strip and thus for the stability of the spacer.
- the spacer is provided with an insulating film.
- the insulation film further reduces the thermal conductivity of the spacer.
- the insulation foil also prevents diffusion through the spacer. In particular, the penetration of moisture into the space between the panes and the loss of an inert gas from the space between the panes is prevented.
- the insulating film preferably has a gas permeation of less than 0.001 g / (m 2 h).
- the insulating film is arranged at least on the outer surface of the outer wall.
- the insulating film is disposed at least on the outer surface of the entire outer wall-containing portion of the base body between the side walls. If the outer wall is connected, for example, to the side walls via a respective connecting section, then the insulating film is arranged on the outer surfaces of the outer wall and the two connecting sections.
- the insulating film on the outer surface of the entire outer wall-containing portion of the body disposed between the side walls and additionally at least on the Au z Chemistry of at least a portion of each side wall.
- the insulating film thus extends from the first side wall via the outer wall (and optionally connecting sections) to the opposite side wall. This results in particularly good results with regard to the stability of the composite of polymeric body and insulating file as well as with regard to the thermal properties of the spacer.
- the insulation film contains at least one polymeric film.
- the polymeric film serves as a carrier film and preferably has a thickness of 10 ⁇ m to 100 ⁇ m, more preferably of 15 ⁇ m to 60 ⁇ m, which is advantageous for the stability of the insulating film.
- the insulation film also contains at least one at least one metallic or ceramic layer, which is applied to the carrier film.
- the thickness of the metallic or ceramic layer is preferably from 10 nm to 1500 nm, particularly preferably from 10 nm to 400 nm, very particularly preferably from 30 nm to 200 nm. This achieves particularly good results with regard to the insulating effect.
- the insulating film preferably contains at least one further polymeric layer whose thickness is preferably from 5 ⁇ to 100 ⁇ , more preferably from 15 ⁇ to 60 ⁇ .
- the polymeric carrier film and the polymeric layer are of the same material. This is particularly advantageous since a smaller variety of materials used simplifies the production process.
- the polymeric film and the polymeric layer or layers preferably have the same material thickness, so that the same starting material can be used for all polymeric constituents of the insulating film.
- the polymeric film and / or the polymeric layer preferably contain at least polyethylene terephthalate, ethylene vinyl alcohol, polyvinylidene chloride, polyamides, polyethylene, polypropylene, silicones, acrylonitriles, polymethyl acrylates or copolymers or mixtures thereof.
- a metallic layer preferably contains iron, aluminum, silver, copper, gold, chromium or alloys or mixtures thereof.
- a ceramic layer preferably contains silicon oxide and / or silicon nitride.
- the insulating film preferably contains at least two metallic or ceramic layers, wherein in each case at least one polymeric layer is arranged between two adjacent metallic or ceramic layers. This is particularly advantageous for the insulating effect of the polymeric film, in particular because any defects within a layer can be compensated by one of the other layers. In addition, have multiple thin layers compared to a single thick layer better adhesion properties.
- the uppermost layer of the insulating film is a polymeric layer, which serves to protect the metallic or ceramic layers. The uppermost layer is the layer which has the greatest distance from the polymeric carrier film.
- the insulating film has in a particularly advantageous embodiment of two to four metallic or ceramic layers.
- the metallic or ceramic layers are preferably each arranged alternately with at least one polymeric layer.
- the invention further comprises an insulating glazing, comprising at least two glass panes arranged parallel to one another and a spacer according to the invention arranged in the edge region between the panes of glass.
- the spacer is preferably formed circumferentially frame-shaped.
- Each side wall faces one of the glass panes and is brought into contact with the respective glass pane.
- the side walls of the spacer are preferably connected via a sealing layer with the glass sheets.
- butyl is suitable as the sealing layer.
- an outer sealant is preferably arranged.
- the externa ßere, preferably plastic sealant contains, for example, polymers or silane-modified polymers, more preferably organic polysulfides, silicones, RTV (raumtemperturvernetzenden) silicone rubber, HTV (hochtemperturvernetzenden) silicone rubber, peroxidischvernetzten silicone rubber and / or addition-crosslinked silicone rubber, polyurethanes, butyl rubber and / or polyacrylates.
- polymers or silane-modified polymers more preferably organic polysulfides, silicones, RTV (raumtemperturvernetzenden) silicone rubber, HTV (hochtemperturvernetzenden) silicone rubber, peroxidischvernetzten silicone rubber and / or addition-crosslinked silicone rubber, polyurethanes, butyl rubber and / or polyacrylates.
- the space between the panes is preferably evacuated or filled with an inert gas, for example argon or krypton.
- the hollow chamber of the spacer is preferably completely or partially filled with a desiccant. Residual moisture in the space between the panes is absorbed by the desiccant so that the panes can not fog up.
- Suitable drying agents are, in particular, silica gels, molecular sieves, CaCl 2 , Na 2 SO 4 , activated carbon, silicates, bentonites, and / or zeolites.
- the insulating glazing preferably has a Psi value of less than 0.05 W / (m * K), preferably less than 0.035 W / (m * K).
- the Psi value is measured as thermal conductivity on insulating glass with frame system.
- the glass sheets are preferably made of soda-lime glass.
- the thickness of the disks can in principle be varied as desired, and in particular a thickness of 1 mm to 25 mm, preferably of 3 mm to 19 mm, is customary.
- the transparency of the discs is preferably greater than 85%.
- the insulating glazing can also comprise more than two glass panes, wherein a spacer according to the invention is preferably arranged between each two adjacent panes of glass.
- the object of the invention is further achieved according to the invention by a method for producing a spacer according to the invention for an insulating glazing, wherein a) two reinforcing strips are arranged parallel to one another,
- the reinforcing strips are overmolded with a polymeric material to form the polymeric base body
- an insulating film is applied at least on the outer wall of the base body, d) the polymeric base body is cut to size with the reinforcing strips and e) the polymeric base body with the reinforcing strips is bent into a circumferential frame shape.
- the polymeric base body with the reinforcing strips is produced as an endless profile by extrusion. From this endless profile, a profile section with the required length for use in insulating glass is cut to size. The profile section has a first and a second end. The profile section is then bent to the circumferential, usually rectangular frame shape. The ends are preferably connected to each other, for example by a connector to improve the stability of the frame shape.
- the hollow chamber of the spacer is preferably filled with a desiccant.
- the desiccant may alternatively be extruded together with the base body.
- the bending of the profile section is preferably carried out without prior heating, in particular at ambient temperature. It is a particular advantage of the spacer with the reinforcing strips according to the invention that such heating is not required.
- the spacer can be processed on conventional industrial manufacturing equipment.
- the polymeric base body is provided with an insulation film according to the invention. This is preferably done before bending the spacer.
- the insulating film can be applied for example by gluing on the base body or can be extruded together with the base body.
- the insulating glass according to the invention is produced by arranging the frame-shaped spacer in the edge region between two parallel glass panes.
- the glass sheets are connected to the spacer, preferably by pressing and via a respective sealing layer.
- an externa ßere sealant is arranged at least on the Au Texwand.
- the marginal space between the discs and the spacer is circumferentially filled with the externa ßeren sealant.
- the space between the glass panes delimited by the frame-shaped spacer is preferably subjected to negative pressure and / or filled with an inert gas.
- the invention further comprises the use of the spacer according to the invention in multiple glazings, preferably in insulating glazings.
- the insulating glazings are preferably used as window glazing or facade glazing of buildings.
- Fig. 2 shows a cross section through an embodiment of the invention
- FIG. 3 shows a flow chart of an embodiment of the method according to the invention.
- Fig. 1 shows a cross section through a spacer according to the invention for an insulating glazing.
- the spacer comprises a polymer body I, which consists for example of polypropylene (PP).
- the polymer has a Glass fiber content of 0 wt .-% or a relatively low glass fiber content of, for example, 10 wt .-% to.
- the main body I comprises two mutually parallel side walls 1, 2, which are intended to be brought into contact with the panes of the insulating glass. Between each one end of each side wall 1, 2 extends an inner wall 3, which is intended to be facing the space between the panes of the insulating glass. At the other ends of the side walls 1, 2, in each case a connecting section 7, T connects. About the connecting portions 7, T, the side walls 1, 2 are connected to a Au texwand 4, which is formed parallel to the inner wall 3. The angle ⁇ between the connecting sections 7 (or 7 ') and the side wall 3 (or 4) is about 45 °. It follows that also the angle between the outer wall 4 and the connecting portions 7, T is about 45 °.
- the main body I surrounds a hollow chamber 5.
- the material thickness (thickness) of the side walls 1, 2, the inner wall 3, the Au OWand 4 and the connecting portions 7, T is approximately equal and is for example 1 mm.
- the main body has, for example, a height of 6.5 mm and a width of 15 mm.
- a reinforcing strip 6 is embedded in each side wall 1, 2, a reinforcing strip 6 is embedded.
- the reinforcing strips 6, 6 ' are made of steel, which is not stainless steel, and have a thickness (material thickness) of, for example, 0.3 mm and a width of, for example, 3 mm.
- the reinforcing strips give the body I sufficient flexibility and stability to be bent without prior heating and to maintain the desired shape permanently.
- the spacer has a very low thermal conductivity, because the metallic reinforcing strips 6, 6 'are embedded only in the side walls 1, 2, over which only a very small part of the heat exchange between the disc interior and Outside environment takes place.
- the reinforcing strips 6, 6 ' not as a thermal bridge.
- an insulating film 8 is arranged on the outer surface of the outer wall 4 and the connecting portions 7, T and a portion of the Au z Chemistry each of the side walls 1, 2.
- the insulating film 8 reduces diffusion through the spacer. Thereby for example, the ingress of moisture into the interior of the pane of an insulating glazing or the loss of the inert gas filling of the interior of the pane can be reduced.
- the insulating film 8 also improves the thermal properties of the spacer, thus reducing the thermal conductivity.
- the insulating film 8 comprises the following layer sequence: a polymeric carrier film (consisting of LLDPE (linear low density polyethylene), thickness: 24 ⁇ m) / a metallic layer (consisting of aluminum, thickness: 50 nm) / a polymeric layer (PET, 12 ⁇ m ) / a metallic layer (Al, 50 nm) / a polymeric layer (PET, 12 ⁇ ).
- the layer stack on the carrier film thus contains two polymeric layers and two metallic layers, wherein the polymeric layers and the metallic layers are arranged alternately.
- the layer stack may also comprise further metallic layers and / or polymeric layers, wherein metallic and polymeric layers are preferably also arranged alternately, so that between each two adjacent metallic layers, a polymeric layer is disposed and above the uppermost metallic layer, a polymeric layer is arranged.
- the spacer according to the invention has advantageous properties with respect to rigidity, tightness and thermal conductivity. It is therefore particularly suitable for use in insulating glasses, especially in the window or facade area of buildings.
- Fig. 2 shows a cross section through an inventive insulating glass in the region of the spacer.
- the insulating glass consists of two glass panes 10, 1 1 made of soda-lime glass with a thickness of, for example, 3 mm, which are connected to one another via a arranged in the edge region according to the invention spacers.
- the spacer is the spacer of FIG. 1 with the reinforcing strips 6,6 'and the insulating film 8.
- the side walls 1, 2 of the spacer are connected via a respective sealing layer 13 with the glass sheets 10, 1 1.
- the sealing layer 13 consists for example of butyl.
- an outer sealant 9 is arranged in the marginal space of the insulating glass between the glass sheets 10, 1 1 and the spacer circumferentially.
- the sealant 9 is for example a silicone rubber.
- the hollow chamber 5 of the main body I is filled with a desiccant 12.
- the desiccant 12 is, for example, a molecular sieve.
- the desiccant 12 takes up a between the glass sheets and the spacer existing residual moisture and thus prevents fogging of the discs 10, 1 1 in the space between the panes.
- the effect of the desiccant 12 is promoted by holes, not shown, in the inner wall 3 of the body I.
- FIG. 3 shows a flow chart of an exemplary embodiment of the method according to the invention for producing a spacer for an insulating glass.
- FIG. 1 An inventive spacer according to FIG. 1 was produced with the reinforcing strips 6, 6 'according to the invention and the insulating film 8.
- the spacer was produced as a straight profile and then bent into the required shape for use in insulating glazing. It was then evaluated whether the spacer has been damaged by the bending process, which opposes its use, and whether it retains the desired shape permanently. In case the spacer was not damaged and retained its shape, it was considered to be "bendable.”
- the spacer's thermal conductivity ( ⁇ value) was measured, which was the equivalent thermal conductivity, ie Total spacer measurement disregarding the spatial dependence of the thermal conductivity on the spacer The results are summarized in Table 1.
- Comparative Example 1 differed from the example of the present invention by the configuration of the spacer. Otherwise, Comparative Example 1 was carried out in the same way as the example.
- the spacer in Comparative Example 1 had no reinforcing strips 6, 6 'embedded in the side walls.
- For putting in the glass fiber content of the polymer body I was 35 wt .-%. Apart from that, the spacer corresponded to that of FIG. 1. The results are summarized in Table 1. Comparative Example 2
- Comparative Example 2 differed from the example according to the invention by the configuration of the spacer. Otherwise, Comparative Example 2 was carried out in the same way as the example.
- the spacer in Comparative Example 2 had no reinforcing strips 6, 6 'embedded in the side walls. Instead, a stainless steel foil having a thickness of 0.1 mm was applied on the outer surface of the sidewalls, the connecting portions and the outer wall to provide the spacer according to the prior art with a bendability.
- the glass fiber content of the polymeric base body I was 35 wt .-%. The results are summarized in Table 1.
- the spacer according to the invention in the example was in contrast to the spacer of Comparative Example 1 bendable due to the reinforcing strips 6,6 '.
- the thermal conductivity was increased by the reinforcing strips 6,6 'but only slightly.
- the spacer according to the invention in the example had, in contrast to the spacer of Comparative Example 2, a significantly low thermal conductivity.
- the reason for this is the reinforcing strips 6,6 'according to the invention, which, in contrast to the prior art stainless steel foil, does not serve as a thermal bridge.
- the spacer according to the invention thus combines a sufficient bendability with a very low thermal conductivity. This result was unexpected and surprising to the skilled person. LIST OF REFERENCE NUMBERS
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Architecture (AREA)
- Joining Of Glass To Other Materials (AREA)
- Securing Of Glass Panes Or The Like (AREA)
- Laminated Bodies (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP14753266.7A EP3052731B2 (de) | 2013-09-30 | 2014-08-22 | Abstandshalter für isolierverglasungen |
PL14753266.7T PL3052731T5 (pl) | 2013-09-30 | 2014-08-22 | Element dystansowy dla oszkleń izolacyjnych |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP13186710 | 2013-09-30 | ||
PCT/EP2014/067901 WO2015043848A1 (de) | 2013-09-30 | 2014-08-22 | Abstandshalter für isolierverglasungen |
EP14753266.7A EP3052731B2 (de) | 2013-09-30 | 2014-08-22 | Abstandshalter für isolierverglasungen |
Publications (3)
Publication Number | Publication Date |
---|---|
EP3052731A1 true EP3052731A1 (de) | 2016-08-10 |
EP3052731B1 EP3052731B1 (de) | 2018-04-11 |
EP3052731B2 EP3052731B2 (de) | 2024-06-19 |
Family
ID=49322172
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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EP14753266.7A Active EP3052731B2 (de) | 2013-09-30 | 2014-08-22 | Abstandshalter für isolierverglasungen |
Country Status (14)
Country | Link |
---|---|
US (1) | US20160201381A1 (de) |
EP (1) | EP3052731B2 (de) |
JP (1) | JP6419168B2 (de) |
KR (2) | KR20180021248A (de) |
CN (1) | CN105579653A (de) |
AU (1) | AU2014327719B2 (de) |
BR (1) | BR112016001213B1 (de) |
CA (1) | CA2920464C (de) |
DK (1) | DK3052731T4 (de) |
EA (1) | EA030837B1 (de) |
MX (1) | MX2016004016A (de) |
PL (1) | PL3052731T5 (de) |
TR (1) | TR201807298T4 (de) |
WO (1) | WO2015043848A1 (de) |
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KR20160095129A (ko) | 2013-12-12 | 2016-08-10 | 쌩-고벵 글래스 프랑스 | 압출된 프로파일링된 밀봉체를 포함하는, 절연 글레이징 유닛용 스페이서 |
US10190359B2 (en) | 2013-12-12 | 2019-01-29 | Saint-Gobain Glass France | Double glazing having improved sealing |
PL3161237T3 (pl) | 2014-06-27 | 2018-12-31 | Saint-Gobain Glass France | Oszklenie zespolone z elementem dystansowym i sposób wytwarzania takiego oszklenia oraz jego zastosowanie jako oszklenia budynku |
WO2015197491A1 (de) | 2014-06-27 | 2015-12-30 | Saint-Gobain Glass France | Isolierverglasung mit abstandhalter und verfahren zur herstellung |
CA2958613C (en) | 2014-09-25 | 2019-05-07 | Saint-Gobain Glass France | Spacer for insulating glazing units |
KR102195198B1 (ko) | 2015-03-02 | 2020-12-28 | 쌩-고벵 글래스 프랑스 | 절연 글레이징용 유리 섬유-강화 스페이서 |
JP6529423B2 (ja) * | 2015-11-09 | 2019-06-12 | 倉敷紡績株式会社 | 複層ガラス用スペーサーおよび複層ガラス |
CN108366681A (zh) * | 2015-12-21 | 2018-08-03 | 法国圣戈班玻璃厂 | 用于冷藏柜具的隔绝玻璃元件 |
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DK3781773T3 (da) * | 2018-04-16 | 2022-04-11 | Saint Gobain | Afstandsholder med forstærkningselementer |
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WO2023161213A1 (de) | 2022-02-24 | 2023-08-31 | Saint-Gobain Glass France | Vorrichtung und verfahren zum automatisierten zusammensetzen eines polymeren abstandshalters für isolierverglasungen |
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WO2024104686A1 (de) | 2022-11-14 | 2024-05-23 | Saint-Gobain Glass France | Verglasungselement mit integriertem sonnenschutz |
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-
2014
- 2014-08-22 BR BR112016001213-5A patent/BR112016001213B1/pt active IP Right Grant
- 2014-08-22 US US14/909,073 patent/US20160201381A1/en not_active Abandoned
- 2014-08-22 KR KR1020187005095A patent/KR20180021248A/ko not_active Application Discontinuation
- 2014-08-22 JP JP2016518674A patent/JP6419168B2/ja active Active
- 2014-08-22 EP EP14753266.7A patent/EP3052731B2/de active Active
- 2014-08-22 TR TR2018/07298T patent/TR201807298T4/tr unknown
- 2014-08-22 PL PL14753266.7T patent/PL3052731T5/pl unknown
- 2014-08-22 CN CN201480053660.4A patent/CN105579653A/zh active Pending
- 2014-08-22 CA CA2920464A patent/CA2920464C/en active Active
- 2014-08-22 EA EA201690676A patent/EA030837B1/ru not_active IP Right Cessation
- 2014-08-22 WO PCT/EP2014/067901 patent/WO2015043848A1/de active Application Filing
- 2014-08-22 MX MX2016004016A patent/MX2016004016A/es unknown
- 2014-08-22 AU AU2014327719A patent/AU2014327719B2/en active Active
- 2014-08-22 DK DK14753266.7T patent/DK3052731T4/da active
- 2014-08-22 KR KR1020167007836A patent/KR20160047539A/ko active Application Filing
Also Published As
Publication number | Publication date |
---|---|
CA2920464A1 (en) | 2015-04-02 |
EP3052731B1 (de) | 2018-04-11 |
US20160201381A1 (en) | 2016-07-14 |
TR201807298T4 (tr) | 2018-06-21 |
EA030837B1 (ru) | 2018-10-31 |
WO2015043848A1 (de) | 2015-04-02 |
DK3052731T4 (da) | 2024-07-29 |
CA2920464C (en) | 2017-10-31 |
AU2014327719A1 (en) | 2016-02-18 |
DK3052731T3 (da) | 2018-05-28 |
AU2014327719B2 (en) | 2016-11-24 |
EA201690676A1 (ru) | 2016-07-29 |
BR112016001213B1 (pt) | 2021-11-03 |
KR20160047539A (ko) | 2016-05-02 |
PL3052731T3 (pl) | 2018-08-31 |
CN105579653A (zh) | 2016-05-11 |
JP6419168B2 (ja) | 2018-11-07 |
JP2016531821A (ja) | 2016-10-13 |
PL3052731T5 (pl) | 2024-07-15 |
EP3052731B2 (de) | 2024-06-19 |
BR112016001213A2 (pt) | 2017-08-29 |
KR20180021248A (ko) | 2018-02-28 |
MX2016004016A (es) | 2016-06-02 |
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