WO2013174763A1 - Bande d'étanchéité - Google Patents

Bande d'étanchéité Download PDF

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Publication number
WO2013174763A1
WO2013174763A1 PCT/EP2013/060301 EP2013060301W WO2013174763A1 WO 2013174763 A1 WO2013174763 A1 WO 2013174763A1 EP 2013060301 W EP2013060301 W EP 2013060301W WO 2013174763 A1 WO2013174763 A1 WO 2013174763A1
Authority
WO
WIPO (PCT)
Prior art keywords
barrier layer
sealing strip
sealing
water vapor
sealing tape
Prior art date
Application number
PCT/EP2013/060301
Other languages
German (de)
English (en)
Inventor
Helmar Nauck
Alfred KÖPPL
Markus Komma
Original Assignee
Tremco Illbruck Produktion Gmbh
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=49232466&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=WO2013174763(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Tremco Illbruck Produktion Gmbh filed Critical Tremco Illbruck Produktion Gmbh
Priority to EP13722786.4A priority Critical patent/EP2852713B1/fr
Priority to EP19179951.9A priority patent/EP3597833A1/fr
Priority to PL13722786T priority patent/PL2852713T3/pl
Priority to DK13722786.4T priority patent/DK2852713T3/da
Publication of WO2013174763A1 publication Critical patent/WO2013174763A1/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
    • 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
    • E04B1/625—Sheets or foils allowing passage of water vapor but impervious to liquid water; house wraps
    • 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
    • E04B1/6812—Compressable seals of solid form
    • 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
    • E06B2001/626—Tightening or covering joints between the border of openings and the frame or between contiguous frames comprising expanding foam strips

Definitions

  • the invention relates to a foam sealing tape, for example, for sealing between two structural parts, in particular between a frame member and the masonry associated therewith, wherein the sealing tape opposite, the building parts assignable broadsides and transversely extending to these narrow sides, wherein the sealing strip further from one of the narrow sides to the other, water vapor diffusion permeable is formed while forming a water vapor diffusion path, and further wherein the sealing tape has a barrier layer of a material different from the foam sealant material extending at least partially or completely across the cross section of the water vapor diffusion path.
  • the barrier layer is in this case usually arranged in the installation position of the sealing tape inside the room to the sealing tape according to the principle "inside space denser than room outside" (referring to the
  • the barrier layer may in this case be formed, for example, as a separate film or as a coating, reference being made, for example, to EP 1 811 111 A1, EP 2 309 090 A1 or DE 196 41 415 C2 or the like.
  • the sealing strip is to fulfill its function determination in different ⁇ union Kunststofferta in the interior and at different space outside weather conditions in relation to a transfer of water vapor to the space outside.
  • the barrier layer has a comparatively high permeability to water vapor, there is the danger of condensation forming in the region of the sealing strip and thus of damage to the masonry, frame component or the sealing strip, especially in the case of very cold outside temperatures.
  • the invention has for its object to provide a foam sealing tape, which at least largely avoids moisture accumulation in the region of the sealing strip even at low outdoor temperatures, but has sufficient water vapor permeability.
  • the barrier layer consists at least partially of a water vapor diffusion resistance (WDD resistance) with the humidity reversible changing material (the barrier layer thus increases the WDD resistance to the foam material, but this is still permeable to water vapor diffusion).
  • WDD resistance water vapor diffusion resistance
  • the barrier layer and the sealing tape are controlled as a function of the humidity. For example, if there is a relatively high humidity inside the room, the water vapor diffusion resistance of the barrier layer may change, for example decrease, so that moisture inside the room can more easily diffuse outward through the barrier layer and excessive humidity in the room can be avoided.
  • the water vapor diffusion resistance (s D value) of the barrier layer increases, for example, and less water vapor passes through the barrier layer from the inside of the room.
  • Existing moisture in the sealing band area for example on the sealing strip on its broad sides bounding component surfaces, can then be reliably dissipated via the sealing tape, since an additional loading of the sealing tape with water vapor from the room inside is limited by increasing the water vapor diffusion resistance of the barrier layer.
  • the moisture possibly accumulating on the parts of the building may in this case relate, for example, to condensation, but also to water absorbed in the masonry, for example in the case of structural parts made of porous material, such as porous rock, aerated concrete or the like.
  • These changes in humidity, which require a changed setting of the s D _ value of the barrier layer can, depending on the time occur (change from day to night) or weathering or seasonally dependent such that over a period of a discharge of the present in the sealing band portion moisture by the barrier layer according to the invention can be ensured.
  • the “broad side” is generally the sealing band side, which is designed or intended to bear against the components forming the joint, as a rule (but not necessarily) This can be applied independently of each other for the fully relaxed state of the sealing strip or the arrangement within the joint, in which case a compression is set at 30% of the initial volume or the initial height of the completely relaxed sealing strip as a reference point becomes.
  • the barrier layer is at least partially made of a material which reduces its WDD resistance with increasing humidity.
  • a material which reduces its WDD resistance with increasing humidity As a result, at relatively high humidity inside the room an undesirable accumulation of humidity in the interior of the sealing strip or on the adjacent thereto side surfaces of the building parts prevented and a controlled removal of humidity by diffusion through the sealing tape can be made possible.
  • moisture from the sealing tape area e.g. the adjacent to the sealing tape masonry areas are removed.
  • the region of the barrier layer which consists of the material (rev.WDD material) which reversibly reverses its WDD resistance with the humidity is arranged partially or preferably completely through the water vapor diffusion path.
  • the rev.WDD material of the water vapor diffusion path is preferably predominantly, ie to ⁇ 50-75% or> 80-90% or more preferably> 95% up to 100% in its cross section interspersed (possibly also to ⁇ 20-35% ).
  • the barrier layer-free sealing strip cross-section can correspond to> 1-2% or> 3-5% of the sealing strip cross-section, possibly also> 7-10% of the same.
  • the tape is only partially filled with the barrier layer, if the rev.WDD material does not have a WDD resistance which is too high, then it may be possible Water vapor diffusion through the sealing tape at least predominantly determined by the WDD resistance of the polymer material.
  • the water vapor diffusion can essentially be determined by the permeability of the remaining web (or generally non-barrier area), so that in this way, namely by properties of the barrier layer and its extension over the tape extension of the WDD Resistance of the band is specifically adjustable.
  • the WDD resistors of a barrier layer at different humidities may be selected such that at the humidity with low WDD resistance (eg high humidity), the diffusion permeability of the barrier layer is substantially (eg predominantly) determined by the barrier layer (with), at high WDD resistance (eg at low humidity) in the same barrier layer then the diffusion permeability to a higher proportion, for example predominantly or practically completely by the barrier layer-free cross-sectional area of the sealing tape.
  • This also allows the properties of the sealing strip to be selectively adjusted.
  • the rev. WDD material preferably forms a layer of the barrier ⁇ layer, preferably a continuous layer (hereinafter "barrier layer” referred to).
  • the barrier layer extends (optionally in combination with the above) over preferably ⁇ 30-40%, particularly preferably predominantly, ie> 50-75% or> 80-90%, particularly particularly preferably> 95% up to practically 100% over the sealing strip cross-section, based on the sealing strip cross-section at which the blocking position is located.
  • This can in each case on the maximum relaxed state of the sealing tape in the joint (ie, with uniform relaxation and complete filling of the joint) or the completely relaxed state refer to the sealing tape in a free arrangement.
  • the barrier layer is formed as a continuous layer or foil. This is preferably formed over its areal extent continuously without openings, so preferably airtight with respect to flowing air or air pressure (under the measurement conditions for the a value according to DIN EN ISO 1026).
  • breakthroughs may be provided, which are optionally completely covered by a material which has a water vapor diffusion resistance which does not change with the humidity or, in the case of only a partial spread, can be impermeable to water vapor diffusion.
  • This material may for example also be layered and laminated with the position of the material with reversibly changing water vapor diffusion resistance or fill only the openings.
  • Water vapor diffusion resistance can be generated by the further layer with constant water vapor diffusion resistance, so that the sealing tape is adaptable to different requirements and environmental conditions.
  • This further layer may for example consist of a plastic material, in particular an airtight material
  • the barrier layer particularly preferably has an s D value of 0.05 m to 100 m, preferably of 0.1 m to 25 m or of 0.2 m to 15 m (at 25% relative humidity (rel. , (the examination of the s D -value is carried out as generally within the scope of the invention according to DIN EN ISO 12572) in order to be able to control the water vapor diffusion sufficiently
  • the s D value of the barrier layer is preferably 0.2-0.5 m or > 1-2 m, the s D value can be -S 15-20 or ⁇ 5-10 m, in each case at 25% relative LF, in particular, the s D value in the range of 0.5 m - 20 m or 1 - 10 m, regardless of or in combination with this the barrier layer can have an s D value of 0.02 m - 10 m or 0.03 m - 6 m or 0.05 m - 2 m at 72.5% rel.
  • the sD values at 25% rel.LF can be in the range of 1-10 m and at 72.5% rel.LF in the range of 0.1-5 m.
  • the s D values generally refer to a temperature of 20 ° C. in the context of the invention.
  • the s D value (water vapor diffusion value in relation to an air layer thickness in meters) of the barrier layer at 25% on the one hand and at 72.5% relative air humidity on the other hand preferably differs by a factor of> 1.1-1, 2, preferably ⁇ 1.5-2, optionally up to a factor of 3 to 5 or to 10 to 20 or even to 50 or to 100 or 150 or beyond, whereby the dependence of the water vapor diffusion of the barrier layer is defined by the humidity.
  • the difference between the two s D values of the barrier layer at the two indicated relative humidities may be> 0.25 m or> 0.5 m or preferably> 0.75-1 m, for example up to 5-10 m or up to 20 m. 25 m or more.
  • the s D value at 25% rel. Humidity is preferably in each case the higher value compared to that at 72.5% humidity.
  • the barrier layer is at least partially made of a synthetic, water-swellable polymer as a rev.WDD material.
  • such layers of ionomer material have sufficient flexibility and sufficiently low flexural rigidity, so that they can be folded sufficiently easily and a relaxation of the foam material of the sealing strip from a compressed state (preferably an automatic relaxation due to elastic restoring forces) little or no Resetting resistance, so at least not significantly affect a provision (regarding. Reset time and / or restoring height).
  • the rev. WDD materials can also be present as copolymers, for example in the form of a polyether copolymer with incorporated ionomer constituents or a copolymer with polyethylene-polyacrylic acid copolymer constituents (in particular in the form of a polyether copolymer).
  • the rev. WDD material can also consist of combinations of the mentioned materials.
  • inventively usable barrier materials with moisture-dependent water vapor diffusion resistance are for example from DE 19902102B4, DE 19514420 Cl, DE 10239985 AI, DE 102008037292 AI, EP 1372956 AI, US 2005/0284096 AI, known, the disclosure of which is hereby incorporated by reference in full.
  • the term "ionomer” is understood to mean a polymeric material wherein the polymeric material has ionic groups into ⁇ special acrylate or Metacrylat phenomenon, which are each connected by chemical valence bonds with side chains or the backbone of the polymeric material.
  • the polymeric backbone is thus preferably negatively charged.
  • the countercations to the polymer backbone are preferably selected from the group ammonium, lithium, sodium, potassium, magnesium, calcium or zinc or mixtures thereof, more preferably sodium and / or potassium, most preferably sodium.
  • Particularly preferred contain within the scope of the invention used ionomers i) 50-99 mol% of ethylene and ii) 1-50 mol% of methacrylic acid, wherein iv) the acid groups of these copolymers to 0.5-100%, preferably 10-70% are neutralized with counterions.
  • the ionomeric material used preferably has no amide and / or urethane groups, which is ecologically preferred, for example, disposal of the material by combustion, with respect to the UV resistance of the material and with respect to a higher adjustable dependence of the water vapor diffusion resistance of the Moisture, which is preferred for many applications with respect to the sealing of the wall building area.
  • the ionomer material is free of nitrogen or contains nitrogen to -S 3-5 wt .-% or ⁇ 0.5-1 wt .-%, preferably -S 0.1-0.25% by weight based on the at a combustion of the material under excess oxygen at 300 ° C releasing components (this is to be demarcated against polyamide or polyurethane materials, in which also the water vapor diffusion resistance with the relative
  • the blocked position from the rev. WDD material in particular ionomer material, may have a thickness of 1 ⁇ m to 1 mm, preferably a thickness of 1-500 ⁇ m or 2-250 ⁇ m, particularly preferably in the range of 5-100 ⁇ m or 5-50 ⁇ m.
  • the ionomer layer may also be in the form of a sheet-like impregnating material in which the amount of ionomers is 1-500 g / m 2, preferably 2-100 g / m 2.
  • the barrier layer may be multi-layered, in particular a multilayer composite layer.
  • One or both sides of the ionomer layer or the rev. WDD layer can be arranged in each case at least one layer of at least one further material.
  • the one or both further layers which the ionomer layer or generally the re. Partially or completely cover WDD layer, the ionomer or rev. Protect and wear or support WDD layer and increase the stability of the barrier layer, the individual layers may each consist of the same or different material, especially on both sides of the ionomer or rev. WDD layer.
  • the barrier layer preferably has an s D value which is below the lowest s D value of the ionomer layer or rev. WDD layer is located.
  • further layers of water vapor permeable scaffolding and / or processing auxiliaries may be provided.
  • Layers which are arranged in a WDD layer may in particular be nonwovens, woven fabrics or meshes of inert materials such as polyethylene, polypropylene, polyester, glass fibers or viscose, if appropriate also perforated films, in particular those of polyethylene, polypropylene or polyester.
  • the layers may generally be any suitable material which is in layered form and preferably has no higher s D than the ionomer layer or rev. WDD layer.
  • the ionomer material may be present as a blend (blend or copolymer) with other polymeric materials such as polyesters, polyamides, vinyl acetates, etc., as described for example in EP 1372956 AI.
  • the proportion of the isomers in the blend can be 20-99.5% by weight, for example 25-95% by weight, or pure ionomer can be used as the layer material.
  • the layers of the barrier layer surrounding WDD layer can each independently have a thickness of 10-2,000 ⁇ m, preferably 10-500 ⁇ m, in particular 10-250 ⁇ m, particularly preferably 10-90 ⁇ m, per side.
  • WDD layer generally forms a continuous, non-porous and non-perforated layer, particularly preferably it is at least substantially impermeable to air.
  • the air permeability of the barrier layer may be ⁇ 2-5 l / m 2 s, or preferably, 0.5-1 l / m 2 s or ⁇ 0.1-0.25 l / m 2 s, or more preferably, 0.01-0.05 l / m2s according to DIN EN ISO 9237; Test area 100 cm2 at a measuring pressure (negative pressure) of 0.5 mbar, tester Frank 21443, or may not be measurable. If necessary, these values can also apply to 2 mbar negative pressure.
  • the specified standard and the test conditions apply to all other air permeability measurements unless otherwise stated.
  • the barrier layer in particular in the form of an air-impermeable continuous layer, can at least substantially co-determine the tear strength and / or extensibility of the barrier layer (ie, this layer per se has ⁇ 50-75% or preferably ⁇ 85-90% of the tear strength and / or the modulus of elasticity the barrier layer in total).
  • the air permeability of the foam tape body forming foam material is preferably in the range of 5-1000 l / m 2 s or 25-800 l / m 2 s, which in combination with the barrier layer with rev. WDD material has proven particularly suitable with regard to the diffusion properties, preferably in the range of or 50-600 l / m 2 s or 100-450 l / m 2 s, optionally also up to 2000 l / m 2 s.
  • the specified air permeability refers to the standard conditions (see above) of a 10 mm thick foam piece (fully relaxed).
  • the blocking layer can be arranged in different ways on the sealing strip or attached thereto.
  • the barrier layer is arranged in an incision of the foam material, so that the area of the barrier layer arranged within the incision is thus arranged within the cross section of the sealing strip.
  • the barrier layer is thus protected within the incision of damage by external interference with the sealing tape.
  • this is the blocking position in a simple manner attachable to the sealing strip.
  • this can also be the position of the locking position within the joint with mounted sealing strip adapted to the respective requirements.
  • the barrier layer may for example be spaced from the room inside and outside space side surface of the sealing strip, so that the outside of the sealing strip is not affected by the material properties of the barrier layer.
  • the barrier layer may be arranged in a desired cross-sectional area of the sealing strip, for example in the middle region thereof or else adjacent to the space-inside side surface.
  • the water vapor diffusion characteristic of the sealing strip with respect to the joint depth can be adjusted, in particular with regard to a discharge of water vapor from the masonry reveal or the like.
  • the incision of the sealing strip thus does not cut through the sealing strip completely, but with the fate of a connecting foam web of the sealing strip, which integrally connects the two sealing strip regions lying opposite the cut.
  • the sealing strip is also easy to manufacture, since a preform of the sealing band foam body provided in a simple manner with the incision and the barrier layer can be introduced into this to produce the sealing tape.
  • the barrier layer is prefixed to the sealing tape.
  • a handling with multiple foam bodies, which would be to connect together to form the sealing tape is thereby dispensable (even if in principle possible).
  • the position of the incision can be varied in many ways and adapted to the respective requirements.
  • the remaining sealing tape web bezgl.
  • the water vapor diffusion acts as a kind of bypass to the barrier layer, which in certain circumstances such as temporarily very high
  • the incision may be oblique to the normal of one of the broad sides of the foam tape, e.g. extend at an angle of ⁇ 60 ° or ⁇ 45 °, preferably ⁇ 30 ° to the normal, or at least substantially perpendicular thereto, e.g. at an angle ⁇ ⁇ 10-15 ° or about 0 ° to this.
  • the normal starts at the beginning of the incision (seen from the outside of the sealing tape).
  • the barrier layer is also particularly easy to introduce into the incision, as this, the sealing strip can be stored curvy, the incision is to be arranged on the outside curvature, so that this by the arcuate bending of the sealing strip of alone opens.
  • the barrier layer can be fixed in position to the sealing tape by means of fastening means, for example by an adhesive, double-sided adhesive tape, suitable adhesives, mechanical means such as sewing, thermal fixation in the presence of thermoplastic fixation materials or the like.
  • the incision is attached to a broad side of the foam tape so that the incision may extend substantially along the height of the sealing tape (eg, parallel to the side surfaces).
  • the WDD resistance of the Total sealing strip can thus be easily adjusted by the barrier layer.
  • the incision may also be attached to a narrow side of the sealing strip.
  • the barrier layer is pressurized less in the planar direction of the layer but reinforced in a direction vertical to the layer when the sealing tape is prefabricated or partially compressed in the joint.
  • the barrier layer can thereby have a higher rigidity than in the above embodiment with extension of the barrier layer with incision on the broad side.
  • the barrier layer can be arranged in a transection of the foam body, so that the foam body is thus formed at least in two parts.
  • the severance can extend in particular from broad side to broad side or from narrow side to narrow side or else from corner area to corner area (diagonal) of the foam body.
  • the barrier layer can extend completely over the cut-through, in each case based on the sealing strip cross-section, or only over a partial area thereof, leaving a barrier-free region of the sealing strip.
  • the barrier layer can also completely penetrate the sealing strip from the narrow side to the narrow side, so that the foam body of the sealing strip can be composed of two sections.
  • the Barrier layer at least partially cover a side surface of the sealing strip, so be arranged on the outside of the sealing strip, which is manufacturing technology particularly easy to implement.
  • the barrier layer may extend over> 20-30% or over the major part of the sealing tape side surface (ie> 50-75% or> 80-90% or more preferably ⁇ 95-100%).
  • the barrier layer can additionally partially or completely cover at least one broad side of the sealing strip adjoining the side surface.
  • the attachment of the barrier layer to the foam body can be improved, in particular also, since the broad side is pressurized in mounting arrangement of the sealing tape between the adjacent joint walls.
  • barrier layer is arranged in an incision of the sealing strip, then this may also partially extend on the outside over the sealing strip side provided with the incision, for example the broad side provided with the incision or the narrow side provided with the incision.
  • the barrier layer section arranged on the outside of the sealing tape can each be connected to the sealing tape, for example by adhesion to it by means of an adhesive layer, so that an improved positional fixation of the barrier layer on the sealing tape is provided.
  • This can be arranged for on a narrow side and / or on a broad side of the sealing strip (in particular the latter)
  • the barrier layer can also cover the sealing band at least partially on the outside.
  • the barrier layer may in this case be part of a sealing strip completely enclosing, preferably be wrapper.
  • the barrier layer can in this case form the apparent covering, ie enclose the sealing strip completely, optionally with extension of the sealing strip at the junction of the opposite sections of the barrier layer, between which the sealing strip is enclosed.
  • the barrier layer can also be part of a multi-part envelope, for example part of a wrapping film with other film sections than those of the barrier layer, these other sections can cover with non-reversibly changing water vapor diffusion resistance depending on the humidity in particular the respective broad sides of the sealing tape, optionally also the barrier layer opposite narrow side.
  • the barrier layer can also be part of an envelope, which consists of different sections, which are preferably arranged in each case in different peripheral portions of the foam body.
  • the different cladding sections may consist of different materials and / or different layer thicknesses.
  • one of the sections of the fastening of the sealing strip may be formed on a structural part such as a frame part or have a different function.
  • This attachment region of the sheath may have a higher rigidity than adjacent regions thereof, in particular as the sheath portion comprising the barrier layer.
  • the foam body may be fixed in position in the sheath, for example by an adhesive layer, which is preferably arranged on a region of the sheath which does not or only partially covers the barrier layer.
  • the barrier surface which at least partially covers the side surface may also extend at least partially over the two adjacent broad sides of the sealing strip and may be connected to the at least one or both broad sides of the sealing strip Foam body tensile forces to be connected receiving.
  • the barrier layer may also be connected along one or both longitudinal edges to a further section of another material, in particular a film section, wherein the film section is connected to the foam body receiving tensile forces.
  • the region of the barrier layer which lies on the outside of the sealing tape may be provided by a fastening means, such as e.g. be covered by a self-adhesive layer, by means of which, for example, the sealing tape to a component or masonry can be fastened, or only for fixing the barrier layer to the sealing tape.
  • a fastening means such as e.g. be covered by a self-adhesive layer, by means of which, for example, the sealing tape to a component or masonry can be fastened, or only for fixing the barrier layer to the sealing tape.
  • the overlay side may in particular be a sealing tape broadside.
  • the barrier layer extends in the context of the invention generally in the longitudinal direction of the sealing strip, so that the longitudinal edges of the barrier layer preferably extend in the sealing strip longitudinal direction, particularly preferably parallel to this.
  • the sealing strip can be present in a compressed state, for example in the prefabricated state or in the installation position of the joint, before its return.
  • an expansion reserve of the outer jacket is preferably provided, which may comprise the barrier layer.
  • the expansion reserve can be designed, for example, in the form of a fold. The expansion reserve requires that the compressed
  • Foam body of the sealing strip can increase in volume, without the sheath is exposed to an expansion.
  • the barrier layer can be provided with the expansion reserve, for which purpose the barrier layer has a sufficient bending slackness. This allows the barrier layer combine several functions.
  • the expansion reserve is provided in a region of the sheath which is different from the barrier layer. In this way, the barrier layer and expansion reserve can be adjusted independently of each other optimally to the respective requirements, for example with regard to the blocking effect on the one hand and the flexibility of the expansion reserve on the other.
  • the sealing tape may have different barrier layers with different reversible dependence of the water vapor diffusion resistance of the humidity.
  • barrier layers may have a dependence of the water vapor diffusion resistance of the humidity at different humidities of the environment, so for example one of the barrier layers at a relatively low humidity and the other barrier layer at a relatively high humidity.
  • the two barrier layers may have different degrees of dependence of the water vapor diffusion resistance on the air humidity (ie different sensitivities), for example by> the factor 1.1 to 1.2 or> 1.5 to 2 or preferably 3 to 5 or> 10.
  • the difference in sensitivity can be ⁇ 500-1,000 or ⁇ 100-250, in particular also ⁇ 50-75 or ⁇ 10-20, if appropriate also ⁇ 5-7. This refers in each case to room temperature (20 ° C.).
  • the difference in sensitivity may be determined in particular at a relative humidity of 50% at 20 ° C.
  • the barrier layer with comparatively large WDD resistance can be arranged on the inside of the room and those with a small WDD resistance can be arranged on the outside of the room.
  • the barrier layer with relatively high dependence of the WDD resistance of the relative humidity inside the room and the barrier layer with a relatively small dependence be arranged raumaußenseitg.
  • the invention comprises a wall construction with a sealing strip arranged in a joint according to the invention, wherein the sealing strip is preferably arranged in the joint such that the blocking layer with respect to the median plane of the sealing strip (arrangement of the median plane between the space inside and the space outside side of the Sealing tape) is arranged inside the room directed in the joint.
  • the barrier layer is arranged on the space inside side surface of the sealing tape or in an extension range of ⁇ 25-33% or ⁇ 10-20% with respect to the width of the sealing strip (extension of the sealing tape in the joint depth). In this way, a functionally appropriate removal of humidity from the sealing tape to the space outside environment can be done.
  • the wall structure may be part of a passive house or a full heat protection wall, where the resulting problems with the invention underlying the problem resulting in a particular extent.
  • the sealing tape is preferably arranged in the joint between a frame component and the adjacent masonry reveal in such a way that the sealing tape extends over the entire depth (room interior side to room outside) of the sealing area between the frame component and reveal.
  • a partial extension is possible, using further sealing materials.
  • Figures 1-11 different embodiments of the sealing strip according to the invention in cross section.
  • Figure 12 shows an arrangement of the sealing strip according to the invention in a joint in cross section.
  • the sealing tape 1 shows a foam sealing strip 1 according to the invention, for example for sealing between two structural parts 100 (FIG. 11), in particular between a frame component and the masonry associated therewith.
  • the sealing tape has opposite, the building parts assignable broadsides 2 and transverse to these narrow sides 3 and is formed from one of the narrow sides to the other water vapor diffusion permeable with a continuous diffusion path 4.
  • the narrow and broad sides define the foam body.
  • the sealing tape 1 has a barrier layer 5 of a material different from the foam sealing tape material, which extends at least partially over the cross section of the water vapor diffusion path.
  • the barrier layer consists here, at least in part, of a material reversibly changing its water vapor diffusion resistance with atmospheric moisture, in particular one which reduces its water vapor diffusion resistance with increasing atmospheric humidity.
  • the material can be at least partially or completely made of a synthetic, water-swellable polymer.
  • the barrier layer consists at least partially of an ionomer material, in particular, this has a continuous layer of an ionomer material.
  • other suitable materials can be used.
  • Fig. 1 shows as well as all other figures, the sealing tape in a fully relaxed state outside the joint, unless otherwise specified.
  • the barrier layer according to the embodiment has an S D value of 0.1 m to 20 m, in particular of 5-10 m, at 25% rel.LF.
  • the barrier layer is at a relative humidity of 72.5% has a factor of> 1.1, in particular about a factor of 5-10, smaller WDD resistance than one
  • the barrier layer may in each case have hydrophobizing or hydrophilizing agents, for example according to DE 10 2008 037 292 A1.
  • the barrier layer comprises, in addition to the layer of the rev.WDD material preferably an additional layer of a material which rev. WDD material supports and protects, e.g. a textile material such as a nonwoven or woven material.
  • the barrier layer is surrounded on both sides by such material.
  • the barrier layer 5 comprising the barrier layer is arranged from a water vapor diffusion resistance reversibly with changing humidity changing material on the narrow side 3 of the sealing strip, extending over the entire surface of the narrow side.
  • the barrier layer may be connected over its entire area to the sealing strip narrow side, or only in certain regions, for example in the region of the two longitudinal edges of the barrier layer.
  • FIG. 1b shows a modification according to FIG. 1a, wherein the barrier layer 5 is connected at least to one, here at both longitudinal edges 5a, 5b, to a film layer 6 made of a different material, which results in a coherent film structure.
  • the portion of the barrier layer is continuously connected over its entire longitudinal edge with the film portion of the other material.
  • the respective other material of the film layer 6 is here, for example, one whose water vapor diffusion resistance substantially is independent of the humidity, it can also have another s D value or a dependence of the s D value of the rel. Humidity than that of the barrier layer 5.
  • the other material here is limp, possibly this may have a certain bending stiffness, as long as a relaxation or a rising of the sealing tape from its compressed state is not prevented or hindered such that a safe function of the sealing strip is not guaranteed.
  • the barrier layer is preferably limp, possibly also with a certain flexural rigidity.
  • the film composite is here connected to the two sides of the barrier layer arranged film sections 6 of the other material with the sealing tape or the foam body thereof via the attachment portions 6 a, in particular adhesively bonded, for example by an adhesive layer such.
  • the compound can be zugzuggestiefend general.
  • the film composite in the region of the barrier layer may be connected to the sealing tape (ie its body made of foam material) or to another region of the sealing tape.
  • FIG. 2 shows a modification according to FIG. 1, according to which the barrier layer 10 only extends over part of the height of the foam sealing tape.
  • FIG. 1a, 1b can apply correspondingly, as well as all other exemplary embodiments or their modifications.
  • FIG. 2b shows a modification of the sealing tape according to FIG. 2a, according to which a film section of a further material is arranged on at least one or both of the longitudinal edges 10a, 10b of the barrier layer 10, here at the longitudinal edge, which delimits the barrier layer over part of the height of the sealing strip ,
  • the other material of the further film section 6 (as well as for example 1 with moisture vapor independent of the humidity) may extend to the end extend the narrow side 3, according to the embodiment beyond also over a portion of the adjacent broad side 2 or possibly also over a larger circumference of the sealing strip.
  • the barrier layer 11 extends over a narrow side 3 and (at least) partially over an adjacent broad side 2 of the sealing strip or the foam body of the same.
  • the barrier layer 11 may be connected to the entire surface or, for example, only in the region of the longitudinal edges IIa, IIb thereof with the sealing strip or the foam body thereof.
  • Figure 3b shows a modification according to Figure 3a, wherein the barrier layer 11 is connected at least on one side (optionally also on both sides) with a further film section 6 of another material.
  • the section 6 extends here (at least) partially over the first broad side 2 opposite broad side.
  • FIG. 4 shows a sealing tape 1 according to the invention, in which the barrier layer 12 extends over a narrow side 3 and partly over both of the adjacent broad sides 2.
  • the barrier layer may also extend completely over one or both of the adjacent broad sides 2.
  • the barrier layer 12 in the region of its two longitudinal edges 12a, 12b connected to the foam-sealing tape 1, optionally also in the intermediate section, optionally also over the entire surface. If the respective longitudinal edge of the barrier layer with a different material tensile forces receiving, so this longitudinal edge of the barrier layer can be connected by means of the portion of the other material with the foam sealing tape and the
  • the barrier longitudinal edge itself may be variable in position with respect to the foam sealing tape, if appropriate additionally also adhered thereto.
  • FIG. 5 shows a sealing strip 1 according to FIG. 5a in the partially compressed state, for example as assembled in the rolled-up state.
  • the barrier layer 13 (or possibly also one or both of the foil sections made of the other material) has here an expansion reserve 13c, for example in the form of a fold.
  • the sealing tape may be compressed to a volume of about 15-40% or about 25% of its volume in the fully relaxed state. The compression relates in particular to the (freely expanded) height of the sealing tape.
  • the barrier layer may also extend partially or completely over one or both of the adjacent broad sides.
  • FIG. 6a shows a sealing tape 1, in which the barrier layer 14 is inserted in an incision 7 (shown enlarged) of the sealing tape, the flanks of the incision can each abut the barrier layer at least partially or over the whole area, preferably on both sides.
  • the barrier layer 14 is defined here within the incision on the sealing strip, but this does not necessarily have to be the case for all applications.
  • the barrier layer 14 is adhered to partial areas 14c of the same, for example by an adhesive layer, in particular self-adhesive layer, or else optionally (less preferably) by other means.
  • the Adhesive or the adhesive layer is selected such that it is elastically deformable to allow compression and expansion of the sealing tape.
  • the barrier layer 14 may in particular be connected to the sealing strip at one or both of its end regions, in particular also at the end region arranged at the base 7a of the incision, tensile forces.
  • the barrier layer 14 may also be connected in intermediate areas or over the full area with the sealing tape.
  • the barrier layer extends here parallel to the narrow sides 3 of the sealing strip.
  • the barrier layer extends here at a substantially rectangular sealing band further substantially perpendicular to the broad sides 2 of the same or at least to one of the broad sides, if the other broad side should be profiled.
  • the barrier layer 14, in particular the blocking layer thereof of a deformable or pliable material, so that it can be folded, for example.
  • the broad side provided with the incision muzzle is here provided with an adhesive layer 15 (in particular double-sided adhesive tape) with removable cover 16 or another fastening means for fastening the sealing strip to a frame component.
  • the adhesive layer or the fastening means holds the incision together at the same time, if necessary, an element can be provided in addition to the fastening element for holding together.
  • FIG. 6b shows a modification according to FIG. 6a, according to which the barrier layer 14 extends beyond the notch 7 on the outside of the sealing strip.
  • the barrier layer 14 is folded over on a broad side 2 of the sealing strip.
  • region 14d is connected to the sealing strip or the foam body thereof, in particular by adhesion, particularly preferably by an adhesive or self-adhesive layer.
  • the barrier layer region 14d arranged outside the incision may also extend over a further circumference of the sealing strip.
  • the adhesive layer serves to fix the barrier layer, more precisely the section of the barrier layer arranged on the width side, to the sealing tape.
  • the barrier layer is folded within the incision so executed double or multi-layered, with a refolding in the region of the incision reason.
  • the refolding may be arranged in the region of the recess base or at a distance from it.
  • One or preferably both longitudinal edges 14e of the barrier layer may protrude from the sealing tape and be folded over in each case towards the associated (adjacent) narrow side. It may possibly also be arranged one of the longitudinal edges 14e within the incision and the other outside of the incision.
  • the two edge-side sections 14d are arranged on both sides of the incision, that is to say on the outside of the sealing strip in the installation position and on the rear narrow side of the sealing strip.
  • the barrier layer may be arranged within the incision double or multi-layered.
  • One of the broad sides, here provided with the incision mouth, is provided with an adhesive layer 15, for example as a double-sided adhesive tape, and an outer cover layer 16, for example silicone paper.
  • the adhesive and cover layer can also be arranged on the other broad side. This can in each case also for the other embodiments of the invention, in particular according to FIG. 6, 7, 12, apply.
  • FIG. 7 shows a modification of the sealing strip according to FIG. 6 (corresponding modifications to FIGS. 6a, 6b), according to which the incision 7 is introduced obliquely into the sealing strip, ie forms an angle to the two opposite broad sides.
  • This angle may be, for example, in the range of 20-70 ° or about 30-60 ° or about 45 °.
  • the possible barrier layer projections also apply, as described above, for example according to FIGS. 6b and 6c.
  • the adhesive layer e.g. Self-adhesive and cover layer (or generally fastening means) may be provided according to FIG. 6, on the side of the incision mouth or on the other broad side.
  • the incision 7 extends only over part of the height of the sealing strip, so that a web-shaped transition region la of the sealing strip remains, which integrally connects the two inside space and space outside the barrier layer arranged foam sealing tape areas.
  • the barrier layer may extend over the entire height of the sealing strip or the cut-through 18 or only over a part thereof while leaving a barrier-free region 18a of the cut-through.
  • adhesive layers with cover layers or other fastening means can be used on both broad sides intended
  • the cut-through 18 or the cut 7 can end in the corner area of the sealing strip or the foam body or be directed onto this (FIG. 8c).
  • the barrier layer can extend over the entire height of the cut-through or, with the formation of a barrier-free region 18a, only over a part of the same.
  • the sealing tape can thus optionally also be made of at least two individual (independent) foam sealing tape sections.
  • the barrier layer may extend over the entire width extent (in the direction of broad side of the sealing strip) of the cut-through, but possibly also (with completely continuous severing of the sealing strip) over only a part thereof (and thus only over part of the cross-sectional extent of the cut-through).
  • FIGS. 9, 10 show a foam body 1 in a tear-open envelope 9, wherein according to FIG. 9 at least one partial section 9a of the same (if appropriate the complete tear-open envelope) comprises or consists of the barrier layer.
  • the barrier layer it is sufficient to arrange the barrier layer only in the region of one or both of the narrow sides of the sealing strip, preferably the space inside narrow side, and to leave the other sections of the envelope made of other materials.
  • the barrier layer extends here over a narrow side and at least partially around at least one (here: both) broad sides.
  • the tearing envelope is formed by another material.
  • the other material is connected to receive tensile forces on both longitudinal edges of the barrier layer and the two sections 9b of the respective other material are joined together in a connection region 9c, so that the compressed foam sealing tape is held together by the tear-open covering, the tearing wrapper may also be constructed differently.
  • the joint is loosened, for example by pulling on the two end regions, the tear-open sheath can be opened.
  • the compound may be formed by fusing the film sections, by an adhesive, sewing, or the like, as known to those skilled in the art. To better open the envelope perforations are provided at the points 9d.
  • FIG. 10 shows a modification according to FIG.
  • a section of the tearing sheath 10 consists of a region 10a of higher bending stiffness than the pliable foil sections 10b of the other material according to FIG. 9 (for example one with non-humidity dependent WDD resistance) and of the FIG Section 10c with locked position.
  • the comparatively rigid portion 10a may serve for example for attachment to a frame component.
  • this section still has such a low bending stiffness that the sealing tape can be made up as a roll.
  • the barrier layer 10c extends over a partial area or in each case the entire narrow side of the sealing strip.
  • the barrier layer can - as shown here - be directly connected to the material of higher bending stiffness 10a (for example by fusion bonding, stitching, gluing or the like), optionally also with interposition of another material, for example a limp material.
  • the areas of the envelope, which do not consist of the more rigid material, each from a rev. WDD material also consist of various rev.WDD materials.
  • FIG. 11 shows a further embodiment in which the foam sealing tape on a first narrow side 3a with a first material section 16a is in contact with the air moisture reversibly changing WDD resistor is provided on the second narrow side 3b with a second material section 16b with the humidity reversibly changing WDD resistor, wherein the two materials by the WDD resistance at a given temperature and humidity (for example 20 ° C and 25% relative humidity or 20 ° C and 75% relative humidity) or by another sensitivity of changing the WDD resistance with the humidity.
  • the first section of material at 20 ° C and 25% rel. LF have a WDD resistance of 2m
  • the second material section such a 10m.
  • the band can be applied flexibly under different environmental conditions, on the one hand to allow removal of moisture from the sealing tape to the outside, on the other hand, for example, to limit the ingress of moisture from the outside into the tape inside.
  • This can be advantageous if on the one hand at low humidity in the outdoor area a water vapor discharge to the outside should be possible (for example, in winter with very low outside air humidity), on the other hand, penetration of humidity from the outside is to be prevented in the sealing tape (for example, in the summer with high outside air humidity ).
  • a sealing tape can also be realized according to the different embodiments of the invention, in particular according to the figures 1-10, by appropriate arrangements of the barrier layer of the first and the second material are selected (each independently with respect to individual embodiments).
  • FIG. 12 shows an arrangement of the sealing tape according to the invention in a joint 101 in the fully (even) relaxed state, wherein the sealing tape is still partially compressed (for example, to about 30% of its height in the fully relaxed state).
  • the joint is formed between the two components 100.
  • the sealing tape is arranged here between the room inside Ri and the room outside Ra.
  • the barrier layer 5 is arranged here on the inside of the room. This can refer to all embodiments.
  • the sealing tape is impregnated for delayed recovery, as preferably generally within the scope of the invention.

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  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Building Environments (AREA)
  • Laminated Bodies (AREA)

Abstract

L'invention concerne une bande d'étanchéité en mousse, destinée en particulier à assurer l'étanchéité entre deux parties d'ouvrage, en particulier entre un élément châssis et la maçonnerie associée à ces parties. La bande d'étanchéité présente des grands côtés opposés pouvant être associés aux parties d'ouvrage et des petits côtés s'étendant transversalement à ces derniers, et est réalisée de manière perméable à la diffusion d'une vapeur d'eau d'un des petits côtés à l'autre. La bande d'étanchéité comporte en outre une couche de barrage faite d'un matériau différent de celui de la bande d'étanchéité en mousse, lequel matériau s'étend au moins en partie sur toute l'étendue de la section transversale du parcours de diffusion de la vapeur d'eau. La couche de barrage est constituée au moins en partie d'un matériau modifiant de manière réversible sa résistance à la diffusion de la vapeur d'eau par rapport à l'humidité atmosphérique.
PCT/EP2013/060301 2012-05-23 2013-05-17 Bande d'étanchéité WO2013174763A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP13722786.4A EP2852713B1 (fr) 2012-05-23 2013-05-17 Bande d'étanchéité
EP19179951.9A EP3597833A1 (fr) 2012-05-23 2013-05-17 Bande d'étanchéité
PL13722786T PL2852713T3 (pl) 2012-05-23 2013-05-17 Taśma uszczelniająca
DK13722786.4T DK2852713T3 (da) 2012-05-23 2013-05-17 Tætningsbånd

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DE202012005050.8 2012-05-23
DE202012005050 2012-05-23
DE202012101990.6 2012-05-31
DE202012101990U DE202012101990U1 (de) 2012-05-23 2012-05-31 Dichtband

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WO2013174763A1 true WO2013174763A1 (fr) 2013-11-28

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DE (1) DE202012101990U1 (fr)
DK (1) DK2852713T3 (fr)
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WO (1) WO2013174763A1 (fr)

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PL2990575T3 (pl) * 2014-08-26 2020-05-18 Iso-Chemie Gmbh Taśma uszczelniająca do uszczelniania szczeliny
DK2990553T3 (da) * 2014-08-26 2020-03-30 Iso Chemie Gmbh Fremgangsmåde til fremstilling af en tætningsbåndrulle
PL2990576T3 (pl) * 2014-08-26 2020-04-30 Iso-Chemie Gmbh Taśma uszczelniająca do uszczelniania szczeliny
DE102015116667A1 (de) 2015-10-01 2017-04-06 Tremco Illbruck Produktion Gmbh Verfahren zum Herstellen eines Abdichtbands und Abdichtband
DE102017105323A1 (de) * 2017-03-14 2018-09-20 Tremco Illbruck Produktion Gmbh Dichtband und Verfahren zum Herstellen eines Dichtbandes
DE102017110856A1 (de) 2017-05-18 2018-12-06 tremco illbruck GmbH Herstellungsverfahren für Dichtband und Dichtband
EP3425133A1 (fr) * 2017-07-05 2019-01-09 ISO-Chemie GmbH Bande étanche pour l'étanchéification d'un joint entre un élément de cadre et un ouvrage
PL3425132T3 (pl) * 2017-07-05 2022-05-30 Iso-Chemie Gmbh Konfiguracja montażowa taśmy uszczelniającej do uszczelniania szczeliny między elementem ramowym a budowlą
DK3453806T4 (da) 2017-09-01 2023-12-04 Iso Chemie Gmbh Tætningselement
DK3567175T3 (da) 2018-05-07 2020-05-04 Iso Chemie Gmbh Fremgangsmåde til fremstilling af tætningsbåndruller
PL3608480T3 (pl) * 2018-08-07 2024-04-22 Iso-Chemie Gmbh Rolka taśmy uszczelniającej z taśmy uszczelniającej z leżącą we wnętrzu warstwą barierową w kierunku funkcjonalnym
EP3757306A1 (fr) * 2018-11-07 2020-12-30 ISO-Chemie GmbH Bande d'étanchéité
EP3839187B1 (fr) * 2019-12-18 2024-03-13 ISO-Chemie GmbH Section de bâtiment avec bande d'étanchéité
EP4008871A1 (fr) * 2020-01-20 2022-06-08 ISO-Chemie GmbH Rouleau de ruban adhésif

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Also Published As

Publication number Publication date
EP2852713B1 (fr) 2019-07-10
DK2852713T3 (da) 2019-10-14
EP3597833A1 (fr) 2020-01-22
EP2852713A1 (fr) 2015-04-01
DE202012101990U1 (de) 2013-08-27
PL2852713T3 (pl) 2020-01-31

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