EP0445199A1 - Isolierglasscheibe und verfahren zu ihrer herstellung. - Google Patents
Isolierglasscheibe und verfahren zu ihrer herstellung.Info
- Publication number
- EP0445199A1 EP0445199A1 EP90900167A EP90900167A EP0445199A1 EP 0445199 A1 EP0445199 A1 EP 0445199A1 EP 90900167 A EP90900167 A EP 90900167A EP 90900167 A EP90900167 A EP 90900167A EP 0445199 A1 EP0445199 A1 EP 0445199A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- adhesive
- layer
- insulating glass
- outer layer
- glass 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.)
- Granted
Links
- 239000011521 glass Substances 0.000 title claims abstract description 86
- 238000000034 method Methods 0.000 title claims description 9
- 239000000853 adhesive Substances 0.000 claims abstract description 52
- 230000001070 adhesive effect Effects 0.000 claims abstract description 52
- 125000006850 spacer group Chemical group 0.000 claims abstract description 31
- 239000004033 plastic Substances 0.000 claims abstract description 28
- 229920003023 plastic Polymers 0.000 claims abstract description 28
- 239000000126 substance Substances 0.000 claims abstract description 9
- 239000010410 layer Substances 0.000 claims description 102
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 23
- 230000035699 permeability Effects 0.000 claims description 17
- 239000002131 composite material Substances 0.000 claims description 11
- 229920001021 polysulfide Polymers 0.000 claims description 11
- 239000005077 polysulfide Substances 0.000 claims description 11
- 150000008117 polysulfides Polymers 0.000 claims description 11
- 239000012790 adhesive layer Substances 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 229920002635 polyurethane Polymers 0.000 claims description 4
- 239000004814 polyurethane Substances 0.000 claims description 4
- 239000012815 thermoplastic material Substances 0.000 claims description 4
- 239000003292 glue Substances 0.000 claims description 3
- 229920001296 polysiloxane Polymers 0.000 claims description 2
- 229920000582 polyisocyanurate Polymers 0.000 claims 1
- 239000011495 polyisocyanurate Substances 0.000 claims 1
- 125000000383 tetramethylene group Chemical group [H]C([H])([*:1])C([H])([H])C([H])([H])C([H])([H])[*:2] 0.000 claims 1
- 239000000203 mixture Substances 0.000 abstract description 3
- 239000006260 foam Substances 0.000 description 11
- 229920002367 Polyisobutene Polymers 0.000 description 10
- 230000004888 barrier function Effects 0.000 description 5
- 239000002274 desiccant Substances 0.000 description 4
- 239000002808 molecular sieve Substances 0.000 description 4
- 239000013464 silicone adhesive Substances 0.000 description 4
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 4
- 238000011065 in-situ storage Methods 0.000 description 3
- 230000035515 penetration Effects 0.000 description 3
- 229920001169 thermoplastic Polymers 0.000 description 3
- 239000004416 thermosoftening plastic Substances 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- DMYOHQBLOZMDLP-UHFFFAOYSA-N 1-[2-(2-hydroxy-3-piperidin-1-ylpropoxy)phenyl]-3-phenylpropan-1-one Chemical compound C1CCCCN1CC(O)COC1=CC=CC=C1C(=O)CCC1=CC=CC=C1 DMYOHQBLOZMDLP-UHFFFAOYSA-N 0.000 description 1
- 229920001079 Thiokol (polymer) Polymers 0.000 description 1
- 229920005549 butyl rubber Polymers 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000003313 weakening effect Effects 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
- E06B3/677—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
Definitions
- the invention is based on an insulating glass pane in which two individual glass panes are connected by a plastic spacer frame which has two differently composed adhesive layers, one of which (hereinafter referred to as the inner layer) delimits the pane interior and a moisture-absorbing substance contains and of which the other (hereinafter referred to as the outer layer) layer consists of a hardened adhesive, in particular a two-component adhesive.
- Such an insulating glass pane is known from the brochure of Lenhardt Maschinenbau GmbH "Vertical insulating glass production plant, System Biver” and from FR patent application No. 84-14186. It is an insulating glass pane, the individual glass panes of which are connected to one another and sealed by a spacer frame in the form of a closed, plastic composite strand.
- the composite strand is constructed in two layers.
- the inner layer which delimits the interior of the pane, consists of a polyisobutylene (a thermoplastic butyl rubber) in which a powdery substance is embedded, which can absorb and bind moisture (especially a molecular sieve).
- On the inside Layer is an outer layer of a two-component adhesive, in particular a polysulfide (Thiokol), which hardens.
- the outer, hardened layer is primarily used to create the necessary solid mechanical bond between the individual glass panes.
- the inner layer primarily serves as a water vapor barrier, the stored, moisture-absorbing substance (also referred to as a desiccant) on the one hand water vapor from the interior of the pane and on the other hand water vapor which diffuses inwards through the outer layer from the outside, takes up and binds.
- such an insulating glass pane is produced by first applying a polyisobutylene strand to form the inner layer on one of the two individual glass panes, then placing the second of the two glass panes on the strand thus formed, the two by the Polyisobutylene strand connected glass panes pressed to their desired thickness and then fills the remaining edge joint to form the outer layer with the two-component adhesive.
- DE-OS 35 39 878 discloses a nozzle with which a composite strand which connects the two glass sheets to one another can be injected into the intermediate space between two initially unconnected individual glass panes, which are kept parallel and spaced apart from one another in the Biver process and is composed in the same way as the composite strand formed in the Biver process.
- Insulating glass panes with a plastic spacer frame have so far only been used in buildings, but not in land vehicles. Insofar as insulating glass panes are currently installed in buses and railway wagons, they are flat panes which are assembled with the interposition of a metallic spacer frame.
- DE-OS 35 17 581 discloses such an insulating glass pane, the two individual panes of which are elastically bonded to one another by uniform webs, with no further details being given about the nature of the adhesive.
- a flexible strand made of a foam plastic in which powdery molecular sieves are embedded.
- the foam plastic strand is prefabricated, coated on its flanks with an adhesive that can be activated by pressure, placed on one of the two glass sheets, the second glass sheet placed on it and this arrangement connected to form an insulating glass pane by pressing the two glass sheets against one another.
- the edge joint remaining outside the spacer made of foam plastic is made in the usual way by filling with an adhesive sealed.
- the foam plastic is so permeable to water vapor that a special vapor barrier is required on the outside in order to prevent water vapor from penetrating into the interior of the insulating glass pane.
- a spacer made of foam plastic cannot be produced in situ between the two glass panes to be connected to form the insulating glass pane.
- Polyisobutylene with an embedded desiccant and an outer layer made of a polysulfide Polyisobutylene with an embedded desiccant and an outer layer made of a polysulfide.
- the present invention has for its object to provide an insulating glass pane of the type mentioned, which can be used in land vehicles and their plastic
- Spacer frame on the one hand, is insensitive to the high temperatures occurring in land vehicles and, on the other hand, can be produced in situ between two individual glass panes to be connected to form an insulating glass pane.
- an insulating glass pane in which two individual glass panes are connected by a plastic spacer frame which has two differently composed adhesive layers, one of which (hereinafter referred to as the inner layer) delimits the pane interior and absorbs moisture Contains substance and of which the other (hereinafter referred to as the outer layer) layer consists of a hardened adhesive, in particular a two-component adhesive, the inner layer being formed from a hardened adhesive which is different from the adhesive forming the outer layer.
- the procedure is advantageously such that the two initially unconnected glass panes with sealing stood next to each other and a composite strand is injected between the two glass panes, which adheres to both glass panes and contains the adhesive for the outer layer and the adhesive for the inner layer, which is different from the adhesive forming the outer layer, but also hardens.
- both the outer and the inner layer of the plastic spacer frame consist of a hardened adhesive in the insulating glass pane according to the invention;
- the adhesive used for the inner layer should not have the same composition as the adhesive used for the outer layer, but a different composition, so that it is possible to optimize the two layers according to different criteria, so that one works together of the two layers is given an insulating glass pane which on the one hand has the necessary firm bond and on the other hand is sufficiently tight against the penetration of water vapor.
- an adhesive with a lower specific water vapor permeability is preferably used for the outer layer than for the inner layer; it is preferably less than 1 g / m 2 day.
- the specific water vapor permeability is understood in the context of this patent application in accordance with DIN 53122 to be the amount of water ingram in grams, which can diffuse through a 1 cm thick and 1 m 2 layer of the hardened adhesive within 24 hours.
- the insulating glass pane according to the invention differs from the insulating glass pane in which the inner layer of the spacer frame consists of a foam plastic.
- a moisture-binding substance is also stored in the inner layer of the spacer frame in the case of the insulating glass pane according to the invention, the particles of this substance are enveloped by the adhesive in a pore-free manner, so that the water vapor permeability of the inner layer, in contrast to a spacer from one Foam plastic is not determined by a pore volume, but by the nature of the adhesive used, which is not a foam.
- the outer layer is primarily intended to serve as a vapor barrier. It is therefore preferably made thicker than the inner layer.
- polysulfide-based adhesives are particularly suitable for the outer layer.
- adhesives with slightly higher steam permeability for example based on polyurethane or silicone, the slightly higher vapor permeability having the advantage that it makes it easier for the desiccant to absorb moisture from the interior of the pane.
- the vapor permeability of a polyurethane or silicone adhesive is considerably lower than that of a foam plastic, so that the penetration of water vapor into the insulating glass pane is sufficiently impeded even without an additional vapor barrier.
- the use of a silicone adhesive for the inner layer has the advantage that silicone adhesives are particularly resistant to higher temperatures and light.
- Polyurethane adhesives have a low light resistance, but also a lower vapor permeability than silicone adhesives.
- the insulating glass pane according to the invention differs from that. Insulating glass pane, the spacer frame of which has an inner layer made of a foam plastic, in that no additional adhesive is necessary to connect the inner layer to the glass surface; rather, the curing adhesive for the inner layer of the spacer frame can be applied directly to the glass surface.
- the invention not only has the advantage of leading to insulating glass panes which are insensitive to the elevated temperatures occurring in vehicles. Another advantage is that the inner and outer layers do not adversely affect each other, since both can be processed cold. When using a thermo- plastic glue is different; hot-to-process polyisobutylene, for example, can adversely affect cold-processed polysulfide.
- the pot life of at least one of the two hardening adhesives in order to achieve a sufficiently firm bond between the two individual glass panes as soon as possible after the plastic spacer frame has been produced in situ that the insulating glass pane can be handled. So it is possible to set a pot life of only 5 to 10 minutes for one of the two adhesives; In principle, the pot life of this adhesive in the direction of smaller pot times is only limited by ensuring that the adhesive is not already setting in its extruder.
- an intermediate layer made of thermoplastic material, in particular of polyisobutylene, can be provided between the inner layer and the outer layer, the specific water vapor permeability of which is smaller than that of the adhesive used for the inner and outer layer;
- This intermediate layer can be thinner than the inner and outer layer. It improves water vapor tightness without weakening the mechanical bond.
- the intermediate layer can become soft when the temperature rises sharply, but this has no harmful consequences for the insulating glass pane. because the intermediate layer is and remains enclosed between two hardened layers.
- This intermediate layer is preferably designed such that it is thicker at its two edges, which adhere to the individual glass panes, than in the middle between the two glass panes. In this way, water vapor penetration along the glass surface is counteracted in particular.
- Such a three-layer strand can be formed as a composite strand by a nozzle which is constructed similarly to the nozzle disclosed in DE-OS 35 39 878, but instead of two feed channels has three feed channels which are brought together in the nozzle mouth.
- FIG. 1 shows a cross section through part of an insulating glass pane with a two-layer plastic spacer frame
- Figure 2 shows a cross section through part of an insulating glass pane with a three-layer plastic spacer frame.
- a curved insulating glass pane for motor vehicles which consists of two individual glass panes. Disks 1 and 2 are formed, which are arranged parallel to one another and are connected at the edge by a plastic spacer frame 3, which is formed from a composite strand.
- the composite strand 3 consists of an inner layer 4 made of a polysulfide, in which a powdered drying agent, for example molecular sieves, is stored, and an outer layer 5, which is thicker than the inner layer 4 and a polysulfide with lower water vapor permeability.
- Suitable water vapor permeabilities are, for example, 1.2 g / m 2 day for the polysulfide of the inner layer 4 and 0.6 g / m 2 day for the polysulfide of the outer layer
- the exemplary embodiment according to FIG. 2 differs from that in FIG. 1 in that between the outer layer 5 and the inner layer 6 there is still an intermediate layer 7 made of thermoplastic material, in particular of a polyisobutylene with a water vapor permeability of not more than 0, 05 g / m 2 day, which has a biconcave interface shape, so that the thickness of the intermediate layer on the surface of the glass panes 1 and 2 is greatest.
- thermoplastic material in particular of a polyisobutylene with a water vapor permeability of not more than 0, 05 g / m 2 day, which has a biconcave interface shape, so that the thickness of the intermediate layer on the surface of the glass panes 1 and 2 is greatest.
- German Patent Application P 38 30 866.5, German Patent 35 39 878 and European Patent 0 213 513 can be used to produce such an insulating glass pane.
- two-layer or three-layer composite strands can be injected between two initially unconnected glass panes, as a result of which they are glued to one another and permanently bonded to one another by the curing of the adhesives.
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)
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT90900167T ATE77438T1 (de) | 1988-12-23 | 1989-12-20 | Isolierglasscheibe und verfahren zu ihrer herstellung. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3843400 | 1988-12-23 | ||
DE3843400A DE3843400A1 (de) | 1988-12-23 | 1988-12-23 | Isolierglasscheibe |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0445199A1 true EP0445199A1 (de) | 1991-09-11 |
EP0445199B1 EP0445199B1 (de) | 1992-06-17 |
Family
ID=6369951
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP90900167A Expired - Lifetime EP0445199B1 (de) | 1988-12-23 | 1989-12-20 | Isolierglasscheibe und verfahren zu ihrer herstellung |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0445199B1 (de) |
JP (1) | JPH04504447A (de) |
CA (1) | CA2006522A1 (de) |
DE (2) | DE3843400A1 (de) |
WO (1) | WO1990007624A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8101251B2 (en) | 2006-07-03 | 2012-01-24 | Dow Corning Corporation | Chemically curing all-in-one warm edge spacer and seal |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3935994A1 (de) * | 1989-10-28 | 1991-05-02 | Ppg Glastechnik Gmbh | Verfahren zum verbinden zweier glastafeln zu einer isolierglasscheibe und vorrichtung zum durchfuehren des verfahrens |
DE102009035002A1 (de) * | 2009-07-24 | 2011-01-27 | Bystronic Lenhardt Gmbh | Verfahren zum Herstellen einer Isolierglasscheibe |
JP7343344B2 (ja) * | 2019-09-25 | 2023-09-12 | 愛知時計電機株式会社 | 圧力センサ |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
LU65310A1 (de) * | 1972-05-08 | 1973-11-22 | ||
FR2570366B1 (fr) * | 1984-09-17 | 1991-10-04 | Saint Gobain Vitrage | Procede et installation pour extruder une matiere plastique du type a base de caoutchouc butyl et application a la fabrication de vitrages multiples |
US4807419A (en) * | 1987-03-25 | 1989-02-28 | Ppg Industries, Inc. | Multiple pane unit having a flexible spacing and sealing assembly |
-
1988
- 1988-12-23 DE DE3843400A patent/DE3843400A1/de not_active Withdrawn
-
1989
- 1989-12-20 DE DE9090900167T patent/DE58901719D1/de not_active Expired - Fee Related
- 1989-12-20 EP EP90900167A patent/EP0445199B1/de not_active Expired - Lifetime
- 1989-12-20 WO PCT/EP1989/001573 patent/WO1990007624A1/de active IP Right Grant
- 1989-12-20 JP JP2501030A patent/JPH04504447A/ja active Pending
- 1989-12-22 CA CA002006522A patent/CA2006522A1/en not_active Abandoned
Non-Patent Citations (1)
Title |
---|
See references of WO9007624A1 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8101251B2 (en) | 2006-07-03 | 2012-01-24 | Dow Corning Corporation | Chemically curing all-in-one warm edge spacer and seal |
Also Published As
Publication number | Publication date |
---|---|
CA2006522A1 (en) | 1990-06-23 |
DE3843400A1 (de) | 1990-06-28 |
WO1990007624A1 (de) | 1990-07-12 |
DE58901719D1 (de) | 1992-07-23 |
EP0445199B1 (de) | 1992-06-17 |
JPH04504447A (ja) | 1992-08-06 |
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