EP2963226B1 - Unité de verre isolant et procédé de fabrication d'une unité de verre isolant - Google Patents

Unité de verre isolant et procédé de fabrication d'une unité de verre isolant Download PDF

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Publication number
EP2963226B1
EP2963226B1 EP15173067.8A EP15173067A EP2963226B1 EP 2963226 B1 EP2963226 B1 EP 2963226B1 EP 15173067 A EP15173067 A EP 15173067A EP 2963226 B1 EP2963226 B1 EP 2963226B1
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EP
European Patent Office
Prior art keywords
glass
thermoplastic material
layer
unit according
parallel
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EP15173067.8A
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German (de)
English (en)
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EP2963226A1 (fr
Inventor
Peter Sønderkær
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VKR Holding AS
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VKR Holding AS
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Publication of EP2963226A1 publication Critical patent/EP2963226A1/fr
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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
    • E06B3/673—Assembling the units
    • E06B3/67339—Working the edges of already assembled units
    • E06B3/67343—Filling or covering the edges with synthetic hardenable substances
    • E06B3/67347—Filling or covering the edges with synthetic hardenable substances by extrusion techniques
    • 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
    • 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
    • E06B3/67321—Covering spacer elements, e.g. with sealants

Definitions

  • the invention relates to insulated glass units for doors and windows and a process for manufacturing an insulating glass unit.
  • IGU's Insulating glass units
  • IGU's typically consist of multiple glass panes held together structurally along their perimeters. The space between the glass panes is sealed from the outside space using various sealant materials and designs.
  • a space bar is positioned between the glass panes to hold them at a fixed distance from each other.
  • the space bar is a metal profile.
  • the role of the sealant is to bond together the space bar and the glass pane and to provide a high level of moisture vapor - and gas diffusion resistance. Also, the sealant may provide flexibility to allow movement of the glass panes due to, for example thermal expansion.
  • desiccant is provided, for example inside a hollow space bar, to prevent the glass surfaces facing each other in the IGU from fogging resulting from condensation of vapors in the inter-pane space.
  • IGU's One reason for failure of IGU's is such condensation when the seal is no longer effective to prevent, for example, water vapor from the outside environment to enter the inter-pane space.
  • the thermal performance of the edge seal design is important. Space bars may for example have high thermal conductivity when made of metal thus creating a thermal bridge that may negatively influence the insulating capability of the IGU.
  • the structural integrity of the IGU during transportation, under changing weather conditions and the like also depends on the ability of the spacer/sealing-design to accommodate movement of the glass panes without the seal being damaged.
  • thermoplastic spacer may be used instead of a metal spacer.
  • TPS thermoplastic spacer
  • the invention in a first aspect relates to an insulating glass unit comprising at least two parallel glass panes, a space between the at least two parallel glass panes being the interpane space, said at least two parallel glass panes being held structurally together along their perimeters by an edge seal, the edge seal extending along the whole perimeter of the at least two glass panes, whereby the interpane space is sealed from the outside by the edge seal, the edge seal comprising:
  • a second thermoplastic material is used to provide surprisingly good sealant properties with respect to moisture penetration from the outside into the interpane space, while preserving low thermal conductivity of the seal.
  • the very good sealing properties of the third layer are achieved in synergy with an improved mechanical stability of the whole edge seal.
  • the good adhesion of the third layer to both the first layer and the second layer due to improved chemical compatibility ensures that the seal is not broken during handling other mechanical stress on the insulating glass unit.
  • the third layer is flexible enough to follow the movement of the glass and the first and third layers at the same time without disrupting the sealing capacity of layer two and/or the whole seal.
  • the whole seal is made from plastic materials thereby providing advantageous thermal properties when compared to prior art insulating glass units using metal parts as spacers between the glass panes.
  • the thermal performance of the insulating glass unit is affected by the effective thermal conductivity of the edge seal which may be 5 - 10 times lower for the inventive unit when compared to units having metal spacers.
  • advantageous thermal properties are obtained by using an insulating glass unit sealed with an edge seal comprising three layers of plastic material.
  • insulating glass units One of the most important reasons for failure of insulating glass units is the penetration of moisture into the interpane space due to seal failure. Such failure may occur over time caused by thermal stress, strong winds or, for example, during transportation due to mechanical stress.
  • the insulating glass unit according to the present invention may have excellent life time expectancy, in particular due to the combination of three layers of plastic material making up a very stable seal both mechanically and over time.
  • the adhesion of the plastic materials of the first and the third layers and the second and the third layer to glass and to each other ensures a long service time for the insulating glass unit and is preferably of cohesive character.
  • the strengthening and stabilizing of the whole seal in particular due to the third layer of the edge seal may increase the life time of the insulating glass unit by up to 5 years or even more when compared to units not having the third layer.
  • thermoset plastic material of the second layer of the edge seal provides mechanical strength to the insulating glass unit.
  • thermoset material While the first layer and the third layer may be comparatively soft, especially at elevated temperatures, the thermoset material will provide stability and limit the stress on first and third layers, for example, during successive expansions and contractions of the gas in the interpane space.
  • the insulating glass unit may comprise more than two parallel glass panes, such as e.g. three or four parallel glass panes.
  • the interpane space is thus defined by two of the at least two parallel glass panes as the space between these two parallel glass panes.
  • two or more interpane spaces are defined, each being the space between two adjacent glass panes.
  • the first thermoplastic material may be present between the all of the parallel glass panes and may thus define first layers of the edge seal being present between all of the glass panes. Each of the first layers of the edge seal may thus adhere to the surfaces of two parallel glass panes facing the interpane space in which it is situated.
  • the second thermoplastic material may be present between the all of the parallel glass panes and may thus define second layers of the edge seal being present between all of the glass panes. Each of the second layers of the edge seal may thus adhere to the surfaces of two parallel glass panes facing the interpane space in which it is situated. Also, each of the second layers of the edge seal may thus contact the corresponding first thermoplastic material situated in the same interpane space.
  • thermoset plastic material and “thermoset material” may be used interchangeably.
  • the effective window area becomes larger, when it is possible to reduce the size of the frames, which may also have architectural advantages.
  • the weight of the insulating glass unit may be reduced as a consequence of the edge seal used according to embodiments of the invention.
  • thermoset plastic material may extend from the interpane space to outside the interpane space and adhering at least to a first glass surface on the two parallel glass panes not facing the interpane space, said first glass surface defining the thickness of each of the two glass panes, the thermoset plastic material defining a second layer of the edge seal.
  • the first glass surface of one of the at least two glass panes defining the thickness that glass pane is a surface none-parallel to the surface of that glass pane facing the interpane space.
  • the first glass surface being the side surface of the glass pane would be orthogonal to the surface of the glass pane facing towards the interpane space and to the surface of the glass pane facing away from the interpane space.
  • thermoset material extends into the interpane space.
  • thermoset material is situated substantially outside the interpane space.
  • the first thermoplastic material comprises polyisobutylene and the polyisobutylene comprises a desiccant.
  • the first thermoplastic material comprises polyisobutylene with desiccant incorporated.
  • An examples of such a material is Koedispace 4SG from Koemmerling Chemische Fabrik GMBH, Germany.
  • the desiccant absorbs moisture trapped between the glass panes during manufacture and moisture penetrating the edge seal.
  • the second thermoplastic material is a hot-melting material selected from the group consisting of synthetic rubber, synthetic polymer, synthetic elastomers and any combination thereof.
  • the second thermoplastic material adheres to the first thermoplastic material.
  • the second thermoplastic material adheres to the thermoset plastic material.
  • the second thermoplastic material adheres to the first thermoplastic material and the thermoset plastic material.
  • thermoplastic material adheres well to the first thermoplastic material and to the thermoset material as well as to the glass.
  • the second thermoplastic material may adhere only slightly to the first thermoplastic material and/or to the thermoset material, or may not adhere to the first thermoplastic material and/or to the thermoset material. However, the second thermoplastic material will still adhere to the glass.
  • the synthetic materials mentioned may also have the lowest water vapor transmission rate of the materials comprised in the edge seal.
  • the second thermoplastic material comprises a hot-melting polyisobutylene.
  • butyl-based materials are particularly useful as the second thermoplastic material, combining elasticity and softness with excellent adhesion to glass and the other plastic materials and at the same time having a low water vapor transmission rate, whereby the service time of the insulating glass unit may be prolonged.
  • thermoset material is selected from the group consisting of polyurethane, polyester, epoxy and any combination thereof.
  • the thermoset material provides mechanical strength to the seal.
  • thermoset material is harder than the first and second thermoplastic materials and ensures the structural integrity of the insulating glass unit. Due to the good adhesion of the thermoset material to the glass panes, it becomes difficult for water to penetrate the interface between the glass and the thermoset material, whereby there is a synergy between seal-properties and structural properties of the thermoset material.
  • thermoset material is polyurethane.
  • Polyurethane is particularly useful as the thermoset material, because the properties of the material can be fine-tuned through proper selection of polyols, isocyanates and additives. For example, by using aliphatic isocyanate as opposed to aromatic isocyanate, good UV-resistance may be obtained which in certain applications may be important.
  • the second layer further adheres to a second glass surface on at least one of the two parallel glass panes outside the interpane space, such as both of the two parallel glass panes outside the interpane space, the second glass surface being parallel to the surface of the glass pane facing the interpane space.
  • thermoset material By letting the thermoset material extend around the edge of one of the glass panes and onto the face of the glass pane, a particularly structurally stable insulating glass unit may be obtained.
  • the second layer adheres to a second glass surface on one of the two parallel glass panes outside the interpane space, whereas in other embodiments the second layer adheres to a second glass surface on each of the two parallel glass panes outside the interpane space.
  • the thermoset material arranged in this way may mask the other layers of the edge seal when the unit is viewed from the outside. In this way, the visual quality of the first- and second layers may become less important.
  • a particularly structurally stable insulating glass unit may be obtained.
  • the insulating glass unit may comprise three or more parallel glass panes, whereby two or more interpane spaces is defined between adjacent parallel glass panes. In such embodiments, at least one of the two or more interpane spaces is according to the invention.
  • the second layer may adhere to a second glass surface on one of the three or more parallel glass panes outside one of the interpane spaces, or the second layer may adhere to a second glass surface on two of the three or more parallel glass panes outside one of the interpane spaces, or three of the three or more parallel glass panes outside one of the interpane spaces.
  • the first layer has a width of 1-30 mm, such as 2-20 mm, such as 3 - 15 mm when measured parallel to the glass panes.
  • the width of the first layer may be varied depending on a desired seal properties and other design considerations.
  • the width of the third layer when measured parallel to the glass panes is between 0.5 - 15 mm, such as 0.8 -10 mm, such as 1 - 5 mm.
  • the third layer is narrower than the first layer.
  • the second layer extends at least 2 mm onto said second glass surface (8), such as at least 10 mm, such as at least 20 mm.
  • the first thermoplastic material has a thermal conductivity of less than 0.3 Wm -1 K -1
  • the second thermoplastic material has a thermal conductivity of less than 0.3 Wm -1 K -1
  • the thermoset material has a thermal conductivity of less than 0.3 Wm -1 K -1 .
  • a low thermal conductivity for all plastic materials comprised in the edge seal ensures good insulation around the edges of the insulating glass unit and may improve the U-value of the whole insulating glass unit significantly.
  • the second thermoplastic material has a water vapor transmission rate at least 5 times less than the thermoset material, such as at least 10 times less, when measured according to ASTM F1249.
  • the second thermoplastic material has a higher density than the first thermoplastic material.
  • the second thermoplastic material may be more dense than the first thermoplastic material, and at the same time be more flexible and elastic.
  • the first thermoplastic material may have a density between 0.9 and 1.1 g/cm 3
  • the second thermoplastic material has a density of about 1.2 g/cm 3 .
  • the second thermoplastic material has a good resistance towards gas permeation.
  • the edge seal is free from metal components.
  • the thermal insulation properties of the edge seal may be best, if no metal is present within the edge seal.
  • Such metal could, for example, be metal inserts for fastening the unit to a window frame or metal foils for gas sealing.
  • the edge seal comprises inserts and said inserts are made of non-metal composite material.
  • the first layer is in contact with the at least two glass panes along or near the entire periphery of the at least two glass panes.
  • the third layer is in contact with the at least two glass panes along or near the entire periphery of the at least two glass panes.
  • the second layer is in contact with the at least two glass panes along or near the entire periphery of the at least two glass panes.
  • the each of the first layer, the second layer, and the third layer is in contact with the at least two glass panes along or near the entire periphery of the at least two glass panes.
  • the second thermoplastic material is softer than the first thermoplastic material.
  • the second thermoplastic material may function as a buffer between the first thermoplastic material and the thermoset plastic material, i.e. the third layer may due to its softness act as a buffer zone between the first layer and the second layer, whereby movements in the second layer is to a lesser degree transferred to the first layer.
  • the first thermoplastic material has a Young's modulus of at least 20 % higher than the Young's modulus of the second thermoplastic material, such as at least 50% higher, such as at least 80% higher.
  • the second layer may be thinner than the first layer.
  • the second layer may have a comparable or even greater thickness compared to the first layer.
  • a "glass pane” is a pane made wholly of glass or partially of glass.
  • the at least two parallel glass panes are panes consisting of glass or laminated panes comprising one or more glass layers.
  • Example of non-glass layers in laminated panes comprise transparent thermoplastics, such as poly(methyl methacrylate), also referred to as PMMA or Plexiglas.
  • PMMA poly(methyl methacrylate)
  • Plexiglas a transparent thermoplastics, such as poly(methyl methacrylate), also referred to as PMMA or Plexiglas.
  • the surfaces of the at least two parallel glass panes facing the interpane space are glass-surfaces.
  • the at least two parallel glass panes are panes consisting substantially of glass.
  • the invention relates to a process for manufacturing an insulating glass unit comprising the steps of:
  • This process has distinct advantages because insulating glass units with uniform thickness may be obtained.
  • the first - and second materials are flexible and are adapted for dispersing any stress resulting from placing the panes at a fixed distance from each other.
  • breaking of glass panes or severe build-up of stress in the insulating glass unit is minimized. Accordingly more uniform products with less product failure during the production process are obtained.
  • the process may reduce both material costs and costs related to scrap and products not conforming to quality standards.
  • the process may be economically attractive compared to prior art processes applying rigid materials for sealing the interpane space.
  • the edge regions of the glass panes are cleaned and plasma treated to ensure good adhesion of the thermoset material to the glass.
  • said step of applying by reactive injection moulding a thermoset material contacting the second thermoplastic material may moreover comprise that the thermoset material is further arranged to contact the surface of the at least two parallel glass panes facing the interpane space.
  • Various gasses may be applied, according to various embodiments, for filling the interpane space, hereunder Argon and Krypton.
  • atmospheric air may be used as the gas for filling the interpane space.
  • thermoset material may significantly enhance the adhesion between the thermoset material and the glass surface, thereby further increasing the edge seal properties with respect to, for example, minimizing water penetration along the interface between thermoset material and glass.
  • thermoset material may partly encapsulate inserts providing extra functionality to the insulating glass unit, such as means for easy mounting in a window frame, for example a mechanical connection part.
  • Figure 1a describes a sectional view of an insulating glass unit having two parallel glass panes 1.
  • thermoplastic material 3 Between the glass panes there is an interpane space 2 sealed for the outside by a first thermoplastic material 3, a second thermoplastic material 4 and a thermoset material 5.
  • the distance 6 between glass panes 1 is defined by the thickness of the thermoplastic material 3.
  • thermoset material 3 extends both onto surfaces 7 and surface 8 on both glass panes. Furthermore, the thermoset material also fills part of the interpane space. Moreover, the first glass surface 7 defines the thickness of each of the two glass panes.
  • This embodiment provides a structurally strong insulating glass unit.
  • the distance 6 between the glass panes may be varied and will often be dictated by the tooling used in the production of the unit, such as the mould fixing the unit before material 5 is injected in a reactive injection process.
  • the fixation will not cause any significant mechanical stress on the glass or in the materials because of the flexibility of the elastomeric materials. Thereby, the manufacturing process itself becomes flexible, and glass breakage and the like is more or less avoided.
  • Material 3 may in advantageous embodiments comprise desiccant to absorb moisture present in the interpane space 2 or penetrating the seal from the outside through materials 5 and 4 or along the interfaces between the glass panes and materials 5 and 4. Such moisture may condensate on the glass surfaces facing the interpane space 2 and lead to failure of the insulating glass unit.
  • materials 3, 4 and 5 are all plastics comprised of primarily organic polymers, the thermal conductivity of the edge seal is very low and advantageous insulation properties are obtained along the edge region of the insulating glass unit and for the unit as a whole.
  • the edge seal may accommodate inserts for mounting the insulating glass unit or providing other mechanical functions to the unit.
  • the width of the layers formed by material 3, 4 and 5 respectively, is variable, but typically, the layer formed by material 4 will be about equal to or less than the width of the layer formed by material 3.
  • Material 5 extending onto surface 8 and adhering to the surface may extend onto surface 8 in a varying degree. As indicated on fig 1a , material 5 may extend onto surface 8 just enough to cover seal materials 3 and 4 when viewed from the outside.
  • thermoplastic materials 3 and 4 are both soft and flexible, the second thermoplastic material 4 typically being the most flexible of the two. Flexibility is achieved by using elastomeric compounds for both materials, typically of synthetic nature.
  • Polyisobutylene-based materials are well suited for both material 3 and 4, the two layers being made from different grades and compositions with respect to each other. Typically, material 4 will have the lowest water vapor transmission rate of the three polymeric materials 3, 4, and 5.
  • Figure 1b shows an embodiment differing form that of fig. 1a in that the dimensions of material 5 is varied with respect to the side of the insulating glass unit. For example it may be advantageous to vary the dimensions on the side facing the exterior of the structure into which the unit has been installed with respect to the side facing the interior.
  • Figure 2a shows an embodiment differing form that of fig. 1a in that material 5 does not extend to the surface outside the interpane space and parallel to the glass surface facing the interpane space on one side of the insulating glass unit. This may provide a thinner insulating glass unit and save weight.
  • Figure 2b differs from the embodiment of fig. 2a in that the thermoset material is substantially situated outside the interpane space. Such a unit may result in a seal having a minimum width because the interpane space only needs to accommodate materials 3 and 4.

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  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Securing Of Glass Panes Or The Like (AREA)

Claims (19)

  1. Unité de verre isolant comprenant au moins deux panneaux de verre parallèles (1), un espace entre les au moins deux panneaux de verre parallèles étant l'espace interpanneau (2),
    lesdits au moins deux panneaux de verre parallèles étant maintenus ensemble structurellement le long de leur périmètre par un joint de bordure,
    le joint de bordure s'étendant sur tout le périmètre des au moins deux panneaux de verre,
    l'espace interpanneau étant étanchéifié de l'extérieur par le joint de bordure, le joint de bordure comprenant :
    une première matière thermoplastique (3), et
    une matière plastique thermodurcissable (5),
    la première matière thermoplastique (3) définissant la distance (6) entre les au moins deux panneaux de verre (1) et définissant une première couche du joint de bordure, la première couche du joint de bordure étant située dans l'espace interpanneau et adhérant aux surfaces des au moins deux panneaux de verre parallèles faisant face à l'espace interpanneau,
    la matière plastique thermodurcissable adhérant à au moins une première surface de verre sur les deux panneaux de verre parallèles ne faisant pas face à l'espace interpanneau, ladite première surface de verre (7) définissant l'épaisseur de chacun des deux panneaux de verre, la matière plastique thermodurcissable définissant une deuxième couche du joint de bordure
    caractérisée en ce que
    le joint de bordure comprend en outre une seconde matière thermoplastique (4),
    la seconde matière thermoplastique (4) étant en contact avec la première matière thermoplastique (3) et définissant une troisième couche du joint de bordure entre la première couche et la deuxième couche, la troisième couche du joint de bordure étant située à l'intérieur de l'espace interpanneau et adhérant à la surface des au moins deux panneaux de verre parallèles faisant face à l'espace interpanneau, et
    la matière plastique thermodurcissable (5) étant en contact avec la seconde matière thermoplastique (4).
  2. Unité de verre isolant selon la revendication 1, la première matière thermoplastique comprenant du polyisobutylène et le polyisobutylène comprenant un desséchant.
  3. Unité de verre isolant selon les revendications 1 et 2, la seconde matière thermoplastique étant une matière thermofusible choisie dans le groupe constitué par le caoutchouc synthétique, le polymère synthétique, les élastomères synthétiques et toute combinaison de ceux-ci.
  4. Unité de verre isolant selon l'une quelconque des revendications 1 à 3, la seconde matière thermoplastique comprenant un polyisobutylène thermofusible.
  5. Unité de verre isolant selon l'une quelconque des revendications 1 à 4, la matière thermodurcissable étant choisie dans le groupe constitué par le polyuréthane, le polyester, l'époxy et toute combinaison de ceux-ci.
  6. Unité de verre isolant selon l'une quelconque des revendications 1 à 5, la matière thermodurcissable étant du polyuréthane.
  7. Unité de verre isolant selon l'une quelconque des revendications 1 à 6, la troisième couche adhérant en outre à une seconde surface de verre (8) sur au moins l'un des deux panneaux de verre parallèles à l'extérieur de l'espace interpanneau, comme les deux panneaux de verre parallèles à l'extérieur de l'espace interpanneau, la seconde surface de verre étant parallèle à la surface du panneau de verre faisant face à l'espace interpanneau.
  8. Unité de verre isolant selon l'une quelconque des revendications 1 à 7, la première couche ayant une largeur de 1 à 30 mm, par exemple 2 à 20 mm, par exemple 3 à 15 mm lorsqu'elle est mesurée parallèlement aux panneaux de verre.
  9. Unité de verre isolant selon l'une quelconque des revendications 1 à 8, la largeur de la deuxième couche, mesurée parallèlement aux panneaux de verre, étant comprise entre 0,5 et 15 mm, par exemple entre 0,8 et 10 mm, par exemple entre 1 et 5 mm.
  10. Unité de verre isolant selon la revendication 7, la troisième couche s'étendant sur au moins 2 mm sur ladite seconde surface de verre (8), par exemple au moins 5 mm, par exemple au moins 10 mm.
  11. Unité de verre isolant selon l'une quelconque des revendications 1 à 10, la première matière thermoplastique ayant une conductivité thermique inférieure à 0,3 Wm-1K-1, la seconde matière thermoplastique ayant une conductivité thermique inférieure à 0,3 Wm-1K-1 et la matière thermodurcissable ayant une conductivité thermique inférieure à 0,3 Wm-1K-1.
  12. Unité de verre isolant selon l'une quelconque des revendications 1 à 11, la seconde matière thermoplastique ayant un taux de transmission de la vapeur d'eau au moins 5 fois inférieur à celui de la matière thermodurcissable, par exemple au moins 10 fois inférieur, lorsqu'il est mesuré selon la norme ASTM F1249.
  13. Unité de verre isolant selon l'une quelconque des revendications 1 à 12, la seconde matière thermoplastique ayant une densité supérieure à celle de la première matière thermoplastique.
  14. Unité de verre isolant selon l'une quelconque des revendications 1 à 13, le joint de bordure étant exempt de composants métalliques.
  15. Unité de verre isolant selon l'une quelconque des revendications 1 à 14, le joint de bordure comprenant des inserts et lesdits inserts étant en une matière composite non métallique.
  16. Unité de verre isolant selon l'une quelconque des revendications 1 à 15, la seconde matière thermoplastique (4) étant plus souple que la première matière thermoplastique (3).
  17. Procédé de fabrication d'une unité de verre isolant selon l'une quelconque des revendications 1 à 16 comprenant les étapes consistant à :
    - nettoyer un premier et un second panneau de verre,
    - extruder une première matière thermoplastique chaude dans une préforme de profilé le long du périmètre du premier panneau de verre,
    - placer le second panneau de verre parallèlement au premier panneau de verre sur le profilé extrudé,
    - remplir l'espace interpanneau avec du gaz,
    - presser les deux panneaux de verre l'un contre l'autre, étanchéifiant ainsi l'espace interpanneau de l'environnement extérieur,
    - appliquer par extrusion une seconde matière thermoplastique en contact avec la première matière thermoplastique, étanchéifiant ainsi davantage l'espace interpanneau de l'environnement extérieur,
    - nettoyer les régions de bordure des premier et second panneaux de verre avec un solvant pour éliminer l'excès de matière thermoplastique,
    - nettoyer les régions de bordure des premier et second panneaux de verre dans un traitement au plasma,
    - mettre en place les premier et second panneaux de verre dans un moule,
    - appliquer par moulage par injection réactive une matière thermodurcissable en contact avec la seconde matière thermoplastique et en contact supplémentaire avec au moins une première surface de verre sur les deux panneaux de verre parallèles ne faisant pas face à l'espace interpanneau, ladite première surface de verre définissant l'épaisseur de chacun des deux panneaux de verre, retirer les premier et second panneaux de verre du moule, ce qui permet d'obtenir une unité de verre isolant.
  18. Procédé selon la revendication 17, le procédé comprenant en outre les étapes consistant à :
    - appliquer un apprêt au silane sur les régions de bordure nettoyées après les étapes de nettoyage et
    - faire sécher l'apprêt appliqué dans un four.
  19. Procédé selon les revendications 17 et 18, comprenant en outre l'étape consistant à :
    - placer des inserts dans les régions de bordure des premier et second panneaux de verre après avoir placé les premier et second panneaux de verre dans le moule et avant d'injecter la matière thermodurcissable.
EP15173067.8A 2014-06-30 2015-06-22 Unité de verre isolant et procédé de fabrication d'une unité de verre isolant Active EP2963226B1 (fr)

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DE102017205658A1 (de) 2017-04-03 2018-10-04 Bayerische Motoren Werke Aktiengesellschaft Verfahren zur Identifikation von synchronen Induktivitäten einer Synchronmaschine
KR20200013442A (ko) * 2018-07-30 2020-02-07 코닝 인코포레이티드 단열 창 유닛
DE102019123696A1 (de) 2019-09-04 2021-03-04 Bystronic Lenhardt Gmbh Verfahren und Vorrichtung zum Zusammenbauen von Isolierglasscheiben sowie dadurch hergestellte Isolierglasscheibe
DE102019123700A1 (de) * 2019-09-04 2021-03-04 Bystronic Lenhardt Gmbh Verfahren und Vorrichtung zum Zusammenbauen von Isolierglasscheiben sowie dadurch hergestellte Isolierglasscheibe
KR20210078328A (ko) * 2019-12-18 2021-06-28 코닝 인코포레이티드 복층 유리 유닛 및 그 제조 방법
JP2023135036A (ja) * 2022-03-15 2023-09-28 株式会社Lixil 複層ガラス及び建具

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US4205104A (en) * 1974-12-11 1980-05-27 Saint Gobain Industries Multiple pane window having a thick seal and a process and apparatus for applying the seal
EP0236211B1 (fr) 1986-02-20 1991-12-27 Saint-Gobain Vitrage International Vitrage multiple, procédé d'obtention et dispositif pour la mise en oeuvre de ce procédé
US5007217A (en) * 1986-09-22 1991-04-16 Lauren Manufacturing Company Multiple pane sealed glazing unit
PL3342972T3 (pl) * 2009-02-03 2021-10-11 Vkr Holding A/S Okno mające skrzydło okienne i ulepszone połączenie z zawiasem

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