EP3330470B1 - Dichtungsband mit haftschichtanordnung - Google Patents

Dichtungsband mit haftschichtanordnung Download PDF

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Publication number
EP3330470B1
EP3330470B1 EP16201527.5A EP16201527A EP3330470B1 EP 3330470 B1 EP3330470 B1 EP 3330470B1 EP 16201527 A EP16201527 A EP 16201527A EP 3330470 B1 EP3330470 B1 EP 3330470B1
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EP
European Patent Office
Prior art keywords
adhesive
sealing tape
layer
central section
barrier layer
Prior art date
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EP16201527.5A
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English (en)
French (fr)
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EP3330470A1 (de
Inventor
Michael GEISSBÜHLER
Benjamin Nef
Daniel Schumann
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Sika Technology AG
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Sika Technology AG
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Priority to EP16201527.5A priority Critical patent/EP3330470B1/de
Priority to PCT/EP2017/080847 priority patent/WO2018099987A1/en
Publication of EP3330470A1 publication Critical patent/EP3330470A1/de
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Publication of EP3330470B1 publication Critical patent/EP3330470B1/de
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    • 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
    • E06B1/00—Border constructions of openings in walls, floors, or ceilings; Frames to be rigidly mounted in such openings
    • E06B1/62—Tightening or covering joints between the border of openings and the frame or between contiguous frames
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/66—Sealings
    • E04B1/68—Sealings of joints, e.g. expansion joints
    • E04B1/6809—Reverse side strips
    • 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
    • E06B1/00—Border constructions of openings in walls, floors, or ceilings; Frames to be rigidly mounted in such openings
    • E06B1/62—Tightening or covering joints between the border of openings and the frame or between contiguous frames
    • E06B2001/628—Separate flexible joint covering strips; Flashings

Definitions

  • the present invention relates to tapes used for sealing joints and gaps between building constructions, especially between window frames and door frames and corresponding edges of the respective wall openings.
  • Sealing tapes comprising a barrier layer and a layer of adhesive applied on one surface of the barrier layer are typically used for sealing joints and gaps in building constructions against water, moisture and air penetration from outside to inside of the building.
  • Typical polymers used in barrier layers include thermoplastics such as plasticized polyvinylchloride (p-PVC) and thermoplastic polyolefins (TPO) or elastomers such as ethylene-propylene diene monomer (EPDM) and crosslinked chlorosulfonated polyethylene (CSPE).
  • sealing tapes are also commonly used for sealing gaps and joints between windows or doors and corresponding wall openings.
  • the sealing tapes should be able to prevent transportation of air, water and moisture at the gaps and joints and to provide permanent bonding to wood, aluminum or plastic frames and wall constructions. They should, however, also enable controlled transmission of excess moisture from inside of the building through the barrier layer, when the outside conditions are suitable to prevent condensation of transported moisture into the structures of the building.
  • a barrier layer with vapor diffusion blocking, retarding or enabling properties can be used in the sealing tape.
  • the vapor permeability of a layer is usually expressed as water vapor diffusion equivalent air layer thickness value (Sd-value).
  • Sd-value depends on the water vapor diffusion resistance and thickness of the layer.
  • a barrier layer can have a constant water vapor diffusion resistance or a humidity dependent water vapor diffusion resistance.
  • a sealing tape with a high Sd-value such as 50-100 m can be used to seal the inside joint between window or door and edge of a wall to prevent transmission of moisture from the interior of the building to the structure of the building.
  • Another sealing tape with a lower Sd-value such as 0.1-5 m is then used to seal the outside joint between the same constructions.
  • the water vapor diffusion resistance of the barrier layer changes as a function of humidity of the surroundings and same sealing tape can be used to seal both the inside and outside joints between window or door and edge of a wall.
  • US2004/0137185A1 discloses a self-adhesive tape consisting of a backing layer, an adhesive layer and a covering film applied on the adhesive layer.
  • the tape has at least one lateral, longitudinal section at the longitudinal side of the tape, in which section the backing and the adhesive layer are perforated.
  • the perforation is only provided in the at least one lateral, longitudinal section whereas the central region is not perforated.
  • the perforations are stated to improve the adhesion of the tape during subsequent plastering because the applied plaster adheres through the openings of the perforations directly to the substrate and thus reinforces the adhesion of the tape.
  • EP2692959A1 discloses a sealing tape for sealing joints between constructions elements, the sealing tape comprising a functional membrane, an adhesive applied on the lower side of the functional membrane, and a fleece layer bonded with a hot melt adhesive on the upper side of the functional layer.
  • the adhesive layer can be applied on the functional membrane as a solid continuous layer or as adhesive stripes extending lengthwise of the functional membrane.
  • the disclosed sealing tape is especially suitable for sealing joints between brickwork and window and door frames.
  • the adhesive layer tends to act as a further barrier to the transmission of water vapor through the barrier layer.
  • This problem can at least be partially solved by using adhesive compositions having lower water vapor diffusion resistances than the barrier layer.
  • adhesives having high vapor permeability cannot provide sufficiently reliable bonding in wet outside conditions.
  • the thickness of the adhesive layer can also be decreased in order to decrease vapor diffusion resistance of the adhesive layer.
  • a thin adhesive layer is, however, not usually sufficient to enable bonding of the sealing tape to rough surfaces.
  • a barrier layer with a humidity dependent vapor diffusion resistance is used, the problems related to the increased vapor diffusion resistance of barrier layer are even more pronounced.
  • a problem is water vapor seeping in through adhesive free channels at the cut off edges of the sealing tape.
  • the objective of the present invention is to provide a sealing tape for sealing joints between window frames and door frames and corresponding edges of the respective wall openings, which sealing tape at least partially solves the problems of the prior art.
  • the wall can be a masonry, concrete, plaster or plasterboard wall and window frames can be made of wood, aluminum or plastic.
  • the invention is, however, not restricted to sealing joints between aforementioned frame components and respective wall openings but it can also be used to seal edges and corners between two walls and between roof structures and walls.
  • the subject of the present invention is a sealing tape according to claim 1.
  • the sealing tape comprises a barrier layer and a layer of adhesive applied on one of the sides of the barrier layer, which layer of adhesive is applied in a different pattern in various sections of the barrier layer. In the sections near the edges of the barrier layer, the layer of adhesive is applied as a continuous solid layer whereas in the center section, the surface of the barrier layer is only partially covered by the adhesive.
  • One of the advantages of the present invention is that the type of adhesive and thickness of the layer are less restricted by choice of the barrier layer used in the sealing tape. Consequently, the layer of adhesive can be adjusted to provide optimal bonding to various materials used in window frames and wall constructions without significantly affecting the vapor diffusion resistance properties of the sealing tape. As a result a layer of adhesive with a uniform thickness and composition can be used, which simplifies the construction of the sealing tape. Such sealing tapes can also be produced with decreased costs.
  • the benefits of the present invention are particularly pronounced in sealing tapes comprising a barrier layer having a moisture variable diffusion resistance.
  • a method for sealing joints between structural members is provided.
  • the sealing tape comprises a barrier layer (1) having opposite first and second major surfaces and opposite longitudinally extending edges (e1, e2), and a layer of adhesive (2) applied on the first major surface, said first major surface having a central section (A) and two elongate side sections (B1, B2) between the opposite edges (e1, e2) and a central section (A), wherein the side sections (B1, B2) are substantially covered by the adhesive and the central section (A) is partially covered by the adhesive.
  • a barrier layer having a moisture variable diffusion resistance is meant in the present document a barrier layer, the water vapor diffusion resistance of which changes as a function of humidity of the surroundings. Barrier layers with moisture variable diffusion resistance are typically used in sealing arrangements to provide air tightness in buildings, usually in combination with heat insulation systems.
  • the barrier layer prevents the penetration of moisture through the membrane and thus prevents transportation of moisture from inside of the building into the structures of the building.
  • the vapor diffusion resistance of the vapor barrier decreases enabling diffusion of the humidity through the membrane.
  • substantially covered by the layer of adhesive is meant in the present document that adhesive is applied on a surface in a form of continuous solid layer of adhesive, wherein at least 90 %, preferably at least 95 %, more preferably at least 97.5 %, most at least 99 % of the surface is covered by the adhesive.
  • the surface being completely covered by the layer of adhesive is meant in the present document that adhesive is applied on the surface in a form of continuous solid layer of adhesive and that 100 % of the surface is covered by the adhesive.
  • the surface being partially covered by the adhesive is meant in the present document that adhesive is applied on the surface in a form of discontinuous layer of adhesive comprising adhesive-free area(s) and area(s) that are completely covered by the adhesive.
  • Fig. 1 shows a perspective view of a sealing tape (10) disposed in a roll.
  • the sealing tape (10) comprises a barrier layer (1) having opposite first and second major surfaces and opposite longitudinally extending edges (e1, e2), and a layer of adhesive (2) applied on the first major surface.
  • the first major surface of the barrier layer (1) has a central section (A) and two elongate side sections (B1, B2) extending between the opposite edges (e1, e2) of the barrier layer (1) and the perimeter of the central section (A).
  • the layer of adhesive (2) is applied to the first major surface of the barrier layer (1) in such way that the side sections (B1, B2) are substantially, preferably completely, covered by the layer of adhesive (2) while the central section (A) is only partially covered by the layer of adhesive (2).
  • the portion of the surface area that is free of adhesive can be determined by measuring the size of the adhesive-free areas and dividing sum of the adhesive-free areas by the total surface area.
  • the size of the adhesive-free areas can be measured by optical means.
  • the width (a) of the central section (A) is preferably 20-95 %, more preferably 30-90 %, even more preferably 40-90 %, most preferably 50-90 % of the width (s) of the barrier layer (1). It has been found that a sealing tape having the width (a) of the central section (A) in the aforementioned ranges is particularly suitable for sealing joints between window frames and corresponding edges of the respective wall openings.
  • the width (b1, b2) of the side sections (B1, B2) is preferably 5.0-100.0 mm, more preferably 7.5-75.0 mm, even more preferably 10.0-50.0 mm, most preferably 15.0-30.0 mm.
  • Preferably the side sections (B1, B2) have the same width.
  • a sealing tape having the width (b1, b2) of the side sections (B1, B2) in the aforementioned ranges has been found to provide sufficient bonding to surface of structural members such as window frames and wall constructions.
  • 5.0-90 %, more preferably 10.0-75.0 %, even more preferably 15.0-60.0 %, most preferably 20.0-50.0 % of the total surface area of the central section (A) is free of adhesive.
  • the layer of adhesive (2) in the central section (A) has a pattern consisting of at least two unconnected adhesive-free areas. "Unconnected" means that each adhesive-free area in the central section (A) is always surrounded by all sides in horizontal plane of barrier layer (1) with an area completely covered by the layer of adhesive (2).
  • the layer of adhesive (2) in the central section (A) can have a pattern consisting of a discontinuous network of adhesive-free voids, as shown in Figures 2-4 . These patterns are not according to the invention.
  • the voids are present only in the layer of adhesive (2) and they are not passing through the barrier layer (1).
  • the adhesive-free areas are not connected and water vapor is essentially prevented from seeping into and under the sealing tape through adhesive free channels at the cut off edges of the sealing tape.
  • the adhesive-free voids can be in the form of any two-dimensional geometrical shape, for example, circular ( Figures 2 and 3 ), square ( Figure 4 ), hexagonal, rectangular, polygonal, parallelogram, or rhomboidal, or oval.
  • the shape of the voids can also be asymmetric.
  • the voids and can be uniformly distributed or their density can become reduced or increased in transverse direction of the barrier layer (1) towards the perimeter of the central section (A).
  • the adhesive-free voids are uniformly distributed as shown in Figures 2-4 .
  • the adhesive-free voids can have substantially same diameter or the diameter can become reduced or increased in transverse direction of the barrier layer.
  • the "diameter” refers in the present document to the maximum width, for example the major axis of an oval.
  • substantially same diameter is meant here that the variance of the diameters of the voids is less than 1.0 mm, preferably less than 0.5 mm, more preferably less than 0.25 mm.
  • variance of the diameters is meant the average of the squared differences from the mean diameter.
  • the voids have substantially same diameter.
  • the diameter of the voids is in the range of 1.0-30.0 mm, more preferably 5.0-25.0 mm, even more preferably 7.50-20.0 mm, most preferably 10.0-17.5 mm.
  • a sealing tape (10) comprising a layer of adhesive (2) with a series of voids having substantially same diameter in the aforementioned range in the central section (A) and a continuous solid layer of adhesive in the side sections (B1, B2) has been found to provide sufficient bonding to surface of the structural members such as window frames and wall constructions and good water vapor diffusion properties.
  • the average diameter of the voids is in the range of 1.0-30.0 mm, more preferably 5.0-25.0 mm, even more preferably 7.50-20.0 mm, most preferably 10.0-17.5 mm.
  • the term "average diameter" refers in the present document to the arithmetic average of the diameters.
  • the distribution of voids can be random or they can be configured such that they line up in rows, as shown in Figure 2 or such that they are offset between rows as shown in Figure 3 .
  • the adhesive-free areas in the central section (A) are in the form of circular voids having a substantially same diameter of 5.0-30.0 mm, preferably 7.5-25.0 mm, more preferably 10.0-20.0 mm.
  • the circular voids are configured such that they line up in rows.
  • the layer of adhesive (2) has according to the invention a pattern consisting of a series of vertical or inclined stripes of adhesive extending between the opposite edges of the central section (A), as shown in Figures 5 and 6 . Also in this case the adhesive-free areas formed between the stripes of adhesive are unconnected.
  • the inclined stripes of adhesive cross the edges of the central section (A) at an angle ⁇ of 5-85 °, more preferably 10-80 °, most preferably 15-75 %.
  • the number of widths n depends on the widths of the areas completely covered by the adhesive.
  • n ⁇ 2 applies.
  • the number of widths n depends on the widths of the areas completely covered by the adhesive.
  • n ⁇ 2 applies.
  • the side sections (B1, B2) are substantially, preferably completely covered by the layer of adhesive (2), the side sections may comprise narrow longitudinal adhesive-free areas near the opposite edges (e1, e2) of the barrier layer (1).
  • the width of the narrow longitudinal adhesive-free areas near the opposite edges (e1, e2) is preferably less than 10.0 mm, more preferably less than 5.0 mm, even more preferably less than 2.5 mm, most preferably less than 1.0 mm.
  • the thickness of the layer of adhesive (2) in the areas completely covered by the adhesive is 0.1-1.0 mm, more preferably 0.15-0.8 mm, most preferably 0.2-0.6 mm.
  • the thickness of the layer of adhesive (2) in the central section (A) can be different from the thickness of the layer of adhesive (2) in the side sections (B1, B2), for example the thickness can be 10-50 % higher in the side sections (B1, B2) compared to the thickness in the central section (A).
  • the layer of adhesive (2) is applied in uniform thickness on the first major surface of the barrier layer (1).
  • the mass per unit area of the layer of adhesive (2) is in the range of 25-400 g/m 2 , more preferably 30-350 g/m 2 , even more preferably 50-350 g/m 2 .
  • the mass per unit area of the adhesive layer g/m 2 can be measured according to DIN EN 1849-2:2009.
  • the average mass per unit area of the layer of adhesive (2) is in the range of 10-150 g/m 2 , more preferably 15-100 g/m 2 .
  • the average mass per unit area in central section is calculated by taking into account that the mass of adhesive in the adhesive-free areas is 0 g/m 2 .
  • the adhesive can be a reactive adhesive or a non-reactive adhesive, a hot-melt adhesive, a contact adhesive or pressure sensitive adhesive. These types of adhesives are generally known to one skilled in the art and are described in the CD Römpp's Chemical Lexicon, Georg Thieme Verlag, Stuttgart 1995 .
  • the adhesive may be, for example, a polyurethane based adhesive or a polyolefin hot-melt adhesive.
  • the layer of adhesive (2) may comprise different adhesives on different sections of the barrier layer (1).
  • the adhesive in the side sections (B1, B2) may be of different type than the adhesive in the central section (A) or adhesives in side section B1 may be different from the adhesive in side section B2.
  • only one type of adhesive is used in the layer of adhesive (2). The use of only one type of adhesive simplifies the structure of the sealing tape, which is translated into decreased production costs.
  • the barrier layer (1) can consist of one single layer or of several layers, which are bonded to each other.
  • the barrier layer (1) can comprise polymeric material and/or spun-bonded material.
  • the barrier layer (1) comprises polymeric material selected from the group consisting of polyethylene (PE), polypropylene (PP), ethylene - vinyl acetate copolymers (EVA), ethylene - ⁇ -olefin co-polymers, ethylene - propylene co-polymers, polyvinylchloride (PVC), ethylene acrylic acid co-polymers, polyurethane, polyesters, co-polyesters, polyether-esters, polystyrene (PS), polyethylene terephthalate (PET), polyamides (PA), copolyamides, ionomers, and mixtures thereof.
  • lonomers are static thermoplastic co-colymers, which are generally known to one skilled in the art and are described in the CD Römpp's Chemical Lexicon, Georg Thieme Verlag, Stuttgart 1995 .
  • the barrier layer (1) has moisture variable diffusion resistance.
  • barrier layers can include at least one of an ionomer, a polyamide, a polyester, a polyurethane, a polyolefin, the ionomer mixed with at least one polymer selected from a group consisting of polyamides, co-polymer of ethylene and vinyl acetate, co-polymer of ethylene and acrylic acid, and co-polymer of ethylene and methyl acrylate.
  • barrier layers with moisture variable diffusion resistance also known as “moisture adaptive vapor barriers or moisture adaptive barrier foils”
  • moisture adaptive vapor barriers or moisture adaptive barrier foils are disclosed in US7442659 B2 , EP0821755 A1 , US20120302698 A1 , EP1824902 B1 , and US20150090126 A ,
  • the barrier layer (1) having a moisture variable diffusion resistance has preferably a lower water vapor diffusion resistance at higher relative humidity of the surroundings and higher water vapor diffusion resistance at lower relative humidity of the surroundings.
  • the Sd-value of the barrier layer (1) can be in the range of 0.1-10.0 m, preferably 0.5-5.0 m at relative moisture of 80 %, and in the range of 10-100 m, preferably 15-50 m at relative moisture of 20 %.
  • the Sd-value of the barrier layer (1) is measured according to DIN EN 1931:2001.
  • the width (s) of the barrier layer (1) is in the range of 50-300 mm, more preferably 75-250 mm, most preferably 100-200 mm.
  • the thickness of the barrier layer (1) can be in the range of 5-200 ⁇ m, more preferably 10-100 ⁇ m, most preferably 15-50 ⁇ m.
  • the mass per unit are of the barrier layer (1) can be in the range of 20 - 250 g/m 2 , preferably 30 - 200 g/m 2 , most preferably 40-150 g/m 2 .
  • the barrier layer (1) can also comprise additives such as flame retarders, UV-stabilizers, colorants and color pigments.
  • Figure 7 shows the side view of the sealing tape (10) comprising a barrier layer (1) and a layer of adhesive (2) applied on the first major surface of the barrier layer (1).
  • the sealing tape further comprises a release liner (3) positioned on the surface of the layer of adhesive (2) to protect the layer of adhesive against contamination and to prevent different surfaces of the sealing tape to adhere to each other before installation of the sealing tape.
  • the release (3) liner preferably comprises a pattern of perforations corresponding to the pattern of adhesive-free areas in the central section (A).
  • the release liner (3) is a silicone-coated release liner.
  • the sealing tape can further comprise a carrier layer.
  • the carrier layer can serve as a backing to the barrier layer (1) and protect it from mechanical stress and to improve the handling properties.
  • the Sd-value of the carrier layer is preferably lower than the Sd-value of the barrier layer (1).
  • the Sd-value of the carrier layer is preferably lower than the lowest Sd-value of the barrier layer (1).
  • the carrier layer can be composed of fiber material.
  • fiber material refers here to a material that is buildup of fibers.
  • the fibers can comprise organic, inorganic or synthetic material such as cellulose, cotton, protein, glass or synthetic fibers. Synthetic fibers are preferably composed of polyester or homo- or copolymer of ethylene and /or propylene or rayon.
  • the fibers can be short fibers or long fibers, spun, woven or non-woven fibers or filaments. In addition, the fibers can be straightened or elongated fibers. Perforated films composed of polyethylene, polypropylene or polyester are also possible materials for the carrier layer.
  • the carrier layer can also comprise additives such as flame retarders, UV-stabilizers, colorants and color pigments.
  • the sealing tape can be provided in a roll and have an unrolled length of several times its width, preferably at least five times its width, more preferably at least ten times its width.
  • a sealing tape (10) comprising a barrier layer (1) and a layer of adhesive (2) can be produced as a continuous product using a method comprising applying the layer of adhesive (2) to the first major surface of the barrier layer (1).
  • the layer of adhesive (2) can be applied on the first major surface of the barrier layer (1) by die coating, extrusion coating, gravure coating, spray coating, melt blowing, gravure printing, lithographic printing, flexographic printing, or screen printing.
  • the continuous layer of adhesive in the side sections (B1, B2) is preferably produced with coating or blowing techniques while the patterns in the central section (A) as shown in Figures 2-6 are preferably produced with printing techniques.
  • Figure 8 is a schematic presentation of an arrangement, in which two sealing tapes (10, 10') are used to seal an inside (6) and outside (7) joint between a wall construction (4) and a window frame (5).
  • the central section (A) of the sealing tapes (10, 10') is preferably positioned longitudinally along the joint to be sealed and the side sections (B1, B2) are positioned along the surface of the structural members of the opposite sides of the joint.
  • a further subject of the present invention is a method for sealing a joint between structural members, the method comprising:
  • the joint to be sealed is formed between a window frame and an edge of a wall.
  • a further subject of the present invention is the use of the sealing tape according to the present invention to seal a joint between structural members, preferably a joint between a window frame and an edge of a wall.

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  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Building Environments (AREA)
  • Adhesive Tapes (AREA)
  • Adhesives Or Adhesive Processes (AREA)

Claims (10)

  1. Dichtungsband, umfassend
    - eine Barriereschicht (1) mit einer ersten und einer zweiten Hauptfläche, die einander gegenüberliegen, und sich längs erstreckenden Kanten (e1, e2), die einander gegenüberliegen, und
    - eine Haftmittelschicht (2), die auf die erste Hauptfläche aufgebracht ist, wobei die erste Hauptfläche einen mittigen Abschnitt (A) und zwei längliche Seitenabschnitte (B1, B2) zwischen den gegenüberliegenden Kanten (e1, e2) und dem mittigen Abschnitt (A) aufweist, wobei die Seitenabschnitte (B1, B2) im Wesentlichen von der Haftmittelschicht (2) bedeckt sind und der mittige Abschnitt (A) teilweise von der Haftmittelschicht (2) bedeckt ist, dadurch gekennzeichnet, dass die Haftmittelschicht (2) in dem mittigen Abschnitt (A) ein Muster aufweist, das aus einer Reihe vertikaler oder schräger Haftmittelstreifen besteht, die sich zwischen den gegenüberliegenden Kanten des mittigen Abschnitts (A) erstrecken.
  2. Dichtungsband nach Anspruch 1, wobei eine Breite (a) des mittigen Abschnitts (A) 20-95 %, vorzugsweise 30-90 %, einer Breite (s) der Barriereschicht (1) beträgt.
  3. Dichtungsband nach Anspruch 1 oder 2, wobei jeder Seitenabschnitt (B1, B2) eine Breite im Bereich von 5,0-100,0 mm, vorzugsweise 7,5-75,0 mm, aufweist.
  4. Dichtungsband nach einem der Ansprüche 1-3, wobei die schrägen Haftmittelstreifen die Kanten des mittigen Abschnitts (A) in einem Winkel α von 5-85°, besonders bevorzugt 10-80°, ganz besonders bevorzugt 15-75°, kreuzen.
  5. Dichtungsband nach einem der Ansprüche 1-4, wobei in dem mittigen Abschnitt (A) die Summe der Breiten der aufeinanderfolgenden Bereiche, die vollständig von dem Haftmittel bedeckt sind, gemessen in der Längsrichtung des Dichtungsbandes, 10-80 mm, vorzugsweise 15-70 mm, besonders bevorzugt 20-60 mm, pro 100 mm Länge des Dichtungsbandes beträgt.
  6. Dichtungsband nach einem der Ansprüche 1-4, wobei in dem mittigen Abschnitt (A) das Verhältnis der Summe der Breiten der aufeinanderfolgenden Bereiche, die vollständig von dem Haftmittel bedeckt sind, gemessen in der Längsrichtung des Dichtungsbandes, zur Summe der Breiten (b1, b2) der Seitenabschnitte (B1, B2) 0,5-2,0, vorzugsweise 0,8-1,5, besonders bevorzugt 1,0-1,25, beträgt.
  7. Dichtungsband nach einem der Ansprüche 1-6, wobei die Barriereschicht (1) einen feuchtigkeitsvariablen Diffusionswiderstand aufweist.
  8. Dichtungsband nach einem der Ansprüche 1-7, wobei die Breite (s) der Barriereschicht (1) im Bereich von 50-300 mm, vorzugsweise 75-250 mm, besonders bevorzugt 100-200 mm, liegt.
  9. Verfahren zum Abdichten einer Fuge zwischen Bauteilen, vorzugsweise zwischen einem Fensterrahmen und einer Kante einer Wand, wobei das Verfahren umfasst:
    a) Bereitstellen eines Stücks eines Dichtungsbandes nach einem der Ansprüche 1-8,
    b) Anordnen des mittigen Abschnitts (A) der Barriereschicht (1) längs entlang der Fuge und
    c) Inkontaktbringen der Haftmittelschicht (2) in dem mittigen Abschnitt (A) und in den Seitenabschnitten (B1, B2) mit den Oberflächen der Bauteile auf gegenüberliegenden Seiten der Fuge zwischen diesen, wobei die Barriereschicht (1) sich längs entlang der Fuge erstreckt und diese in Breitenrichtung überbrückt.
  10. Verwendung des Dichtungsbandes nach einem der Ansprüche 1-8 zum Abdichten einer Fuge zwischen Bauteilen, vorzugsweise einer Fuge zwischen einem Fensterrahmen und einer Kante einer Wand.
EP16201527.5A 2016-11-30 2016-11-30 Dichtungsband mit haftschichtanordnung Active EP3330470B1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP16201527.5A EP3330470B1 (de) 2016-11-30 2016-11-30 Dichtungsband mit haftschichtanordnung
PCT/EP2017/080847 WO2018099987A1 (en) 2016-11-30 2017-11-29 Sealing tape with adhesive layer arrangement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP16201527.5A EP3330470B1 (de) 2016-11-30 2016-11-30 Dichtungsband mit haftschichtanordnung

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EP3885521B1 (de) * 2020-03-26 2023-11-15 Selena Industrial Technologies Sp. z o.o. Dichtungssystem für fugen von holzbauelementen

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US5374477A (en) * 1993-02-09 1994-12-20 Minnesota Mining And Manufacturing Company Barrier laminate and method for sealing gaps in building construction
DE19514420C1 (de) 1995-04-19 1997-03-06 Fraunhofer Ges Forschung Dampfbremse für den Einsatz zur Wärmedämmung von Gebäuden
HU227328B1 (en) 2001-03-08 2011-03-28 Biolog Insel Lothar Moll Gmbh & Co Kg Use of ionomers for sealing insulating materials
DE10122882B4 (de) 2001-05-11 2008-05-29 Silu Verwaltung Ag Selbstklebendes Band zum Abdichten von Fugen im Hausbau mit verbesserten Hafteigenschaften
CA2518858A1 (en) * 2003-03-14 2004-09-30 Avery Dennison Corporation Housewrap
DE202004019654U1 (de) 2004-12-14 2005-04-07 Orbita Film Gmbh Dampfbremsfolie
DE202010017888U1 (de) 2009-12-10 2013-01-30 Saint-Gobain Isover Feuchteadaptive Dampfbremse, insbesondere für den Einsatz zur Wärmedämmung von Gebäuden
FR2987380B1 (fr) 2012-02-28 2014-02-07 Saint Gobain Isover Membrane pare-vapeur a base de melange pa666/evoh
EP3067481A1 (de) 2012-07-29 2016-09-14 Hanno-Werk GmbH & Co. KG Folienband

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WO2018099987A1 (en) 2018-06-07

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