EP2192233A1 - Verfahren zur Herstellung einer Fahrbahnabdichtung - Google Patents

Verfahren zur Herstellung einer Fahrbahnabdichtung Download PDF

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Publication number
EP2192233A1
EP2192233A1 EP20080170040 EP08170040A EP2192233A1 EP 2192233 A1 EP2192233 A1 EP 2192233A1 EP 20080170040 EP20080170040 EP 20080170040 EP 08170040 A EP08170040 A EP 08170040A EP 2192233 A1 EP2192233 A1 EP 2192233A1
Authority
EP
European Patent Office
Prior art keywords
fiber material
material layer
thermoplastic
primer
plastic film
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP20080170040
Other languages
German (de)
English (en)
French (fr)
Inventor
Kai Paschkowski
Dirk Urbach
Raphael Teysseire
Martin Linnenbrink
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sika Technology AG
Original Assignee
Sika Technology AG
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
Application filed by Sika Technology AG filed Critical Sika Technology AG
Priority to EP20080170040 priority Critical patent/EP2192233A1/de
Priority to PCT/EP2009/065948 priority patent/WO2010060980A1/de
Priority to RU2011126124/03A priority patent/RU2475583C1/ru
Priority to AU2009319001A priority patent/AU2009319001A1/en
Priority to EP09759954A priority patent/EP2370638A1/de
Priority to CN2009801470105A priority patent/CN102224297A/zh
Priority to JP2011537984A priority patent/JP2012510013A/ja
Publication of EP2192233A1 publication Critical patent/EP2192233A1/de
Priority to US13/117,777 priority patent/US20110250012A1/en
Priority to RU2012147626/03A priority patent/RU2012147626A/ru
Withdrawn legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D19/00—Structural or constructional details of bridges
    • E01D19/08—Damp-proof or other insulating layers; Drainage arrangements or devices ; Bridge deck surfacings
    • E01D19/083—Waterproofing of bridge decks; Other insulations for bridges, e.g. thermal ; Bridge deck surfacings
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/28—Web or sheet containing structurally defined element or component and having an adhesive outermost layer
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]

Definitions

  • the invention relates to the field of roadway sealing on a support structure.
  • a starting point for solving this problem lies in the use of mastic asphalt as an adhesive between plastic layer and bituminous base course.
  • these systems had the great disadvantage that first the mastic asphalt must be applied at high temperature and the bituminous base course can be applied only after cooling, which on the one hand due to this additional step, the creation of the sealing or creation process of the road extended and more expensive.
  • WO 2008/095215 avoids the problem by using a concrete pavement. It discloses a concrete carriageway on a concrete support structure with an interposed plastic film and an adhesive layer between the plastic film and concrete carriageway. In order to ensure the adhesion of the concrete pavement with the adhesive layer in this case the sprinkling of quartz sand is proposed in the adhesive layer before its hardening.
  • AT 413 990 B proposes, in order to improve the bond between plastic film and bituminous support layer, the use of a polyurethane-based adhesive primer to which a loose granulate of synthetic resin is sprinkled.
  • a polyurethane-based adhesive primer to which a loose granulate of synthetic resin is sprinkled.
  • the scattering of granules is associated with some problems, in particular, a uniform job is difficult to achieve and it can lead to scattering of the granules, especially on wind-exposed concrete structures, for example, that large amounts of granules are weggewindet, resulting in unwanted material loss or uncontrolled adhesive losses leads.
  • JP 2004-068363 discloses the application of an adhesive, in particular an ethylene-vinyl acetate copolymer, by means of a primer on the plastic film, in particular in the form of a film with holes.
  • a primer must be applied in an additional step, and that in addition by the adhesive introduced over the entire surface a large amount of polymer is introduced into the composite, which weakens the mechanics of the composite.
  • the object of the present invention is therefore to provide a roadway structure available, which can be created easily and efficiently and by a controlled application of adhesive between the plastic film and bituminous base layer leads to a good bond without the mechanics of the composite is greatly weakened.
  • a particularly great advantage is that the adhesive material having fiber material layer, or the film, the solid at room temperature thermoplastic after its laying, or applied, immediately committed, or driven, and can be directly overlaid if necessary with the bituminous base course , so that compared to the prior art, strong shortened working hours.
  • a primer is applied to a support structure.
  • Such a support structure is preferably a building of civil engineering.
  • this may be a bridge, a gallery, a tunnel, a ramp or departure ramp or a parking deck.
  • a preferred example of such a support structure is a bridge.
  • This required for the roadway supporting structure is a structure of a material which may have a supporting function.
  • this material is a metal or a metal alloy or a concrete, in particular a reinforced concrete, preferably a reinforced concrete.
  • the most preferred example of such a support structure is a concrete bridge.
  • a primer in particular a concrete primer, is present on the support structure.
  • a “primer” in this document is generally understood to mean a thin layer of a polymer applied to a substrate, which improves the adhesion between this substrate and another substrate.
  • a primer has a flowable consistency at room temperature and is applied to the substrate by brushing, painting, rolling, spraying, casting or brushing. It should be noted that the term “flowable” here will refer not only to liquid, but also to higher viscosity honey-like to pasty materials whose shape is adjusted under the influence of gravity.
  • concrete primer a thin layer of a polymer applied to the concrete, which improves the adhesion of concrete to another substrate.
  • concrete primer apply primer based on epoxy resin.
  • the concrete primers are highly fluid, in particular having a viscosity of less than 10,000 mPas, preferably between 10 and 1,000 mPas, so that they can penetrate into the concrete surface.
  • Particularly preferred concrete primers are two-component, low-viscosity, epoxy resin primers, such as those sold under the trade name Sikafloor® or Sikagard® by Sika Deutschland GmbH, or Sika Buch AG.
  • Particularly preferred concrete primers are Sikafloor®-156 Primer and Sikagard®-186.
  • step (i) and step (ii) in the primer preferably in the concrete primer, inorganic bedding agents, in particular sand, preferably quartz sand, are interspersed.
  • inorganic bedding agents in particular sand, preferably quartz sand
  • this inorganic bedding agent has a maximum particle size of less than 1 mm, in particular between 0.1 and 1 mm, preferably between 0.3 and 0.8 mm.
  • the amount of such bedding agents should be such that the primer is not completely covered, but that there are always places in the structure where the primer is in direct contact with the plastic film.
  • the use of bedding agent is advantageous for the bond between plastic film and primer, or the support structure.
  • the primer at least partially flows around the grain surface and thus a larger contact surface between the plastic film and primer is created, and / or that is strongly locally reinforced by the inorganic spreading means, the primer layer, so that be transmitted and / or that are made by the Einstreusch a purely mechanical anchoring between the plastic film and primer by the integrated into the matrix of the primer grains lead to a roughened primer surface and these grains in the Embed the surface of the preferably elastic plastic film.
  • the plastic film receives a significantly larger contact surface, since it is applied to a primer surface, which has a significantly larger surface area due to the roughening caused by the roasting agent.
  • the average layer thickness of the primer is typically between 100 micrometers and 10 millimeters, advantageously the average layer thickness of the primer layer is less than 3 mm, preferably between 0.3 and 2 mm.
  • step (ii) a plastic film is applied to the support structure primed after step (i).
  • the plastic film should be as waterproof as possible and even under prolonged influence of water or moisture, do not decompose or be mechanically damaged.
  • plastic films in particular such films are suitable, as they are used for sealing purposes, especially for the roof construction or for the bridge sealing purpose in the prior art.
  • the plastic films are made of a material having a softening point of over 140 ° C., preferably between 160 ° C. and 300 ° C. are.
  • the plastic film should advantageously have an at least low degree of elasticity, for example, to be able to bridge stresses caused by temperature differences between asphalt and support structure or caused by cracks in the support structure or the support layer voltages without the plastic film is damaged or cracked and would affect the sealing function of the plastic film .
  • plastic films based on polyurethanes or polyureas or poly (meth) acrylates or epoxy resins are particularly preferred.
  • the plastic film can be used as a prefabricated web.
  • the plastic film is preferably produced by an industrial process in a film factory and arrives at the construction site preferably in the form of plastic film from a roll used. It is advantageous if, in this case, the plastic film is brought into contact with the primer before its complete hardening or hardening.
  • the plastic film can also be produced on site, for example by a crosslinking reaction of reactive components which are mixed and applied on site. Particularly advantageous have sprayed plastic films proven.
  • the plastic film advantageously has a layer thickness in the millimeter range, typically between 0.5 and 15 mm, preferably between 1 and 4 mm.
  • plastic film are polyurethane films, in particular sprayed films of two-component polyurethanes.
  • the core of the present invention is the guarantee of the bond between the plastic film and the bituminous base layer by means of the application of an adhesive layer containing at least one adhesive, which is a thermoplastic which is solid at room temperature. It is essential to the essence of the invention that this thermoplastic, which is solid at room temperature, be bonded (adhered) when applied to the building site, i.e., at room temperature. not in the form of loose granules, is used.
  • thermoplastic which, when melted, becomes solidified in fiber pores or interstices and subsequently solidified, and thus anchored to or in the fiber, is said to be adherent.
  • an application of a plastic primer is applied to the plastic film in a step (iii ').
  • a fiber material layer is applied in step (iv ').
  • one side of a solid at room temperature thermoplastic is applied adhering. The application of the fiber material layer takes place in such a way that the side of the fiber material layer opposite the thermoplastic side is brought into contact with the plastic primer.
  • Plastic primers used are, in particular, primers on two-component polyurethanes or epoxides.
  • the fiber material layer is composed of fibers.
  • the fibers are in this case of inorganic, organic or synthetic material.
  • Fibers of inorganic material are in particular glass fibers and carbon fibers. In particular, it is cellulose, cotton fibers or synthetic fibers. Fibers made of polyester or of a homo- or copolymers of ethylene and / or propylene or of viscose may be mentioned as synthetic fibers.
  • the fibers may here be short fibers or long fibers, spun, woven or non-woven fibers or filaments.
  • the fibers may be directional or stretched fibers.
  • the fibers consist of tensile or high tensile strength fibers, in particular of glass, carbon or aramids.
  • fiber material layers are used, which are a woven, laid or knitted fabric.
  • Preferred are felts or fleeces or knitted fabrics. Particular preference is given to nonwovens.
  • the fibrous material layer may be a looser material of staple fibers, filaments, the cohesion of which is generally given by the inherent adhesion of the fibers.
  • the individual fibers may have a preferred direction or be undirected.
  • the fibrous material layer composed of fibers can be mechanically consolidated by needling, meshing or by swirling by means of sharp water jets and typically has a basis weight of about 300 g / m 2 and can be transported as mats or in the form of rolls.
  • the fiber material layer is used in the form of mats or rolls. This considerably facilitates the laying.
  • a fiber material layer is basically porous, a good penetration of the materials coming into contact with the fibrous material layer is ensured, there are no air or solvent inclusions, which could weaken the bond. But it is also ensured that due to the fibers, a fixation of the thermoplastic is possible and a mechanical reinforcement of the composite takes place. In addition, it is made possible by the fiber material layer that this is rolled and thus easy to store, or to transport, is. Furthermore, it is ensured that the thermoplastic fixed thereon is used in the correct amount, both in terms of its spatial distribution and in terms of the absolute amount (neither too much nor too little).
  • the fibers of the fiber material layer can also be connected by organic polymers. Such polymers help to fix the fibers better together.
  • the fiber material layer may further contain additives, such as adhesion promoters, fiber sizes or biocides.
  • a biocide is used to control pathogenic microorganisms, such as bacteria, viruses, spores, small and mold fungi, or to control microorganisms that can attack and decompose the fibers, the plastic film or the primer.
  • the biocide may be present on or in the fibers.
  • fibers are sprayed with a biocide or immersed in a biocide.
  • the biocide is used in the manufacture or processing of the fibers and is thus incorporated into the fibers.
  • thermoplastic which is solid at room temperature, is applied fixedly to the fiber material layer.
  • the thermoplastic is located on the surface of the fiber material layer.
  • thermoplastic can be connected to the fiber material layer with varying degrees of adhesion, ie adhering. It is basically only essential that there is a bond between the fiber material layer and the thermoplastic which prevents substantial amounts of thermoplastic from being removed by wind or light movements such as are present in applying the fiber material layer in step (iv ').
  • the thermoplastic can on the one hand only be present on the surface or on the other hand can also penetrate differently in the fiber material layer. Furthermore, the thermoplastic can be applied over the entire surface of the fiber material layer or such that the fiber material layer surface is only partially covered by thermoplastic.
  • Organic polymers which have a melting point of more than 100 ° C., in particular between 100 ° C. and 180 ° C., preferably between 110 ° C. and 140 ° C., are especially preferred as thermoplastics which are solid at room temperature. Any melting point of polymers in this document is understood as softening points (Softening point) measured by the Ring & Ball method according to DIN ISO 4625 understood.
  • unsaturated monomers are those monomers which are selected from the group consisting of ethylene, propylene, butylene, butadiene, isoprene, styrene, vinyl esters, in particular vinyl acetate, acrylic acid, methacrylic acid, acrylates, methacrylates and acrylonitrile.
  • thermoplastics which are solid at room temperature are polyolefins, in particular poly- ⁇ -olefins. Most preferred as room temperature solid thermoplastics are atactic poly- ⁇ -olefins (APAO).
  • APAO atactic poly- ⁇ -olefins
  • Ethylene / vinyl acetate copolymers have proven to be preferred at room temperature for thermoplastics, in particular those having a vinyl acetate content of less than 50%, in particular having a vinyl acetate content of between 10 and 40%, preferably 15 to 30%.
  • thermoplastic which is solid at room temperature is preferably applied in the form of thermoplastic spheres adhering to the surface of the fiber material.
  • thermoplastic is advantageously such that on the one hand enough thermoplastic is present to a good bond to the bituminous base layer can be achieved and on the other hand not too much Thermoplastic is present, which would prevent a rolling of the fiber material.
  • thermoplastic is preferably applied to the fiber material layer in an industrial process. This can be done by melting and spraying or knife-coating with this melt or, preferably, by applying thermoplastic granules to the fiber material layer and then fixing by the influence of heat while melting the thermoplastic.
  • thermoplastic granules preferably have a diameter of 1 to 10 mm, in particular from 3 to 6 mm.
  • thermoplastic which is solid at room temperature and adheres to the surface of the fiber material layer in the form of a roll.
  • the fiber material layer simply reaches the construction site where it can be unrolled and cut to the required dimensions. This is a very cost and time efficient step.
  • the application of the fiber material layer in step (iv ') is preferably carried out within the open time of the plastic primer.
  • the plastic primer already has a certain inherent strength at this time, it is at least slightly sticky. This has the great advantage that the fiber material layer is fixed on the substrate and their slippage is largely prevented. This is particularly advantageous when working under great wind influence.
  • the application of the fiber material layer in the still sticky plastic primer causes a time saving, since it does not have to wait until the primer is cured.
  • the application of the fiber material layer is preferably carried out by standing on the fiber material layer and moving on the structure by rolling the fiber material layer and moving on the unrolled fiber material layer. Due to the porosity of the fiber material layer is ensured that although a good contact with the plastic primer takes place, but this the Fiber material layer does not penetrate completely, so that the user does not come into contact with the still sticky plastic primer.
  • step (iii ) a fibrous material layer, on which an adhesive melt adhesive is applied on one side and a thermoplastic which is solid at room temperature is adhesively applied on the other side, is primerlessly applied to the plastic film Applying the fiber material layer takes place in such a way that the hotmelt adhesive side having the fiber material layer is brought into contact with the plastic film.
  • pressure sensitive hotmelt adhesive hot melt adhesive can be used.
  • the pressure-sensitive hotmelt adhesive is preferably applied to the surface of the fiber material layer via a slot nozzle or spray nozzle.
  • the layer thickness of the pressure-sensitive hotmelt adhesive is typically between 10 and 100 micrometers, in particular between 30 and 50 micrometers.
  • the hotmelt adhesive is protected with a release paper, for example a siliconized paper.
  • the release paper is removed at the construction site, so that the pressure sensitive hot melt adhesive is brought into contact with the plastic film can be.
  • the hotmelt adhesive ensures that the fiber material layer is fixed on the plastic film and its slippage is largely prevented. This is particularly advantageous when working under great wind influence.
  • step (iii) a film of a thermoplastic which is solid at room temperature and which is coated on one side with a pressure-sensitive hotmelt adhesive is applied primerless to the plastic film Page brought into contact with the plastic film.
  • this method is advantageous in that it does not require the use of a plastic primer, thus eliminating one work step at the construction site.
  • the film of the thermoplastics which are solid at room temperature is preferably produced by an extrusion process or a calendering process in which a hot-melt adhesive is preferably applied to the surface of the thermoplastic film by means of a slot nozzle or spray nozzle on one side of the film.
  • the layer thickness of the pressure-sensitive hotmelt adhesive is typically between 10 and 100 micrometers, in particular between 30 and 50 micrometers.
  • the layer thickness of the thermoplastic film is in particular between 0.5 mm and 1.5 cm, preferably between 0.5 mm and 5 mm, preferably between 1 mm and 3 mm.
  • thermoplastic films In order to prevent unwanted bonding of the thermoplastic films to one another, in particular when they are rolled, it is advantageous if the hotmelt adhesive is protected with a release paper, for example a siliconized paper.
  • a release paper for example a siliconized paper.
  • thermoplastic and pressure-sensitive hot melt adhesives With respect to the solid at room temperature thermoplastic and pressure-sensitive hot melt adhesives and their preferences, reference is made to the statements made to the first and second variants.
  • the release paper is removed at the construction site, so that the pressure-sensitive hot-melt adhesive can be brought into contact with the plastic film.
  • the hotmelt adhesive ensures that the fiber material layer is fixed on the plastic film and its slippage is largely prevented. This is particularly advantageous when working under great wind influence.
  • the first two variants are preferred, since here the mechanical reinforcement represents a significant advantage.
  • the second variant is the most preferred because it provides the advantages of mechanical reinforcement and, thanks to the elimination of a step of applying a plastic primer primer-fast sequence of work on site.
  • step (v) a bitumen-based supporting layer is applied.
  • This base layer represents the road surface, which is in direct contact with vehicles.
  • the bituminous base layer is heated prior to application to a temperature of typically 140 ° C to 160 ° C and preferably rolled by means of a roll.
  • the application of the bituminous support layer is well known to the person skilled in the art and will therefore not be discussed further here.
  • the base layer can have the other possible components known to those skilled in the art.
  • the person skilled in the art knows the nature and quantity of the constituents of bitumen-based compositions which are used for the construction of roadways. Of particular importance here is the fact that the support layer usually to a significant extent mineral fillers, especially sand or grit have.
  • thermoplastic When contacting the molten bitumen with the solid at room temperature thermoplastic melts this depending on the melting point on or on. If it melts, it can - depending on the nature of the thermoplastic - form a largely homogeneous thermoplastic layer or dissolve close to the surface in the bitumen and form a thermoplastic-containing boundary phase layer. Thus, it is well within the spirit of the present invention that the room temperature solid thermoplastic need not form an individual layer.
  • the application can take place immediately after the application of the fiber material layer or thermoplastic film, since the fiber material layer or thermoplastic film is dry and accessible or passable. In particular, neither curing, cooling or an additional intermediate step has to be awaited until the bitumen can be applied.
  • the roadway construction thus produced has the significant advantage that a long-lasting bond among the individual layers is ensured among each other, that it is dimensionally stable and reinforced by the use of fiber material layer even under large axle loads, which in particular during bending or lateral offset of the layers to each other is particularly advantageous.
  • mechanical anchoring of the plastic primer or hotmelt adhesives on the one hand and of the bitumen directly or indirectly via binding via the room temperature solid thermoplastic on the other hand allows, which manifests itself in a further increase in the bond between the layers. This results in significantly less fatigue cracks, which the sealing function of the Can affect roadway construction.
  • This method presented here thus not only saves time in the manufacture of the roadway structure, but brings further savings in maintenance, since the repair or renewal intervals means can be extended.
  • the present invention relates to fiber material layer, on which on one side a solid at room temperature thermoplastic, in particular in the form of adhering to the surface of the fiber material thermoplastic balls, is adhesively applied.
  • the side of the fiber material layer opposite the thermoplastic side has a pressure sensitive hotmelt adhesive.
  • the fiber material layer can be produced in particular by a process in which a layer of a fiber material is sprinkled with a granulate of thermoplastic material that is solid at room temperature and then heated by means of a heat source.
  • one side of a fibrous material layer is coated with a pressure sensitive hotmelt adhesive, with the proviso that pressure sensitive hotmelt adhesive and room temperature solid thermoplastic are applied to different sides of the fibrous material.
  • the fiber material layer is rolled up by cooling the heated by means of heat source thermoplastics via a winding device into a roll.
  • the present invention relates to a roadway construction
  • a support structure in particular a concrete support structure, the surface of which is coated with a primer, in particular with a concrete primer on which a plastic film is applied, as well as a bitumen-based support layer and a plastic film between the support layer Adhesive layer, wherein the adhesive layer has a fiber material layer and at least one adhesive.
  • At least one of the adhesives is a thermoplastic that is solid at room temperature.
  • thermoplastic and pressure-sensitive adhesive are referred to here as an adhesive.
  • thermoplastic of the adhesive layer which is solid at room temperature, is preferably located between the fiber material layer and the bitumen-based base layer.
  • the adhesive layer has, in particular, a plastic primer which is located between the fiber material layer and the plastic film.
  • the adhesive layer has in particular a pressure-sensitive hot-melt adhesive which is located between the fiber material layer and the plastic film.
  • the fiber material layer is a fiber fleece.
  • the plastic film is a polyurethane film, in particular a sprayed film of two-component polyurethanes.
  • FIG. 1 shows a schematic cross section through a concrete support structure 2 with applied concrete primer 3 and plastic film 4.
  • a two-component epoxy resin concrete primer 3 was applied to the concrete support structure 2 in a first step (i).
  • a quartz sand in Fig. 1 not shown
  • a two-component polyurethane plastic film 4 was sprayed in a layer thickness of 4 mm.
  • FIG. 1 shows the situation of the roadway structure after step (ii).
  • FIG. 2 shows a schematic longitudinal cross section through a manufacturing plant for the production of a fiber material layer.
  • a fiber material layer 6 is fed via a deflection roller 18 of the coating installation.
  • a Granulatstreuer 15 a solid at room temperature thermoplastic 7 ", an EVA with a melting point of 140 ° C, as spherical granules with a diameter of 3 to 4 mm, sprinkled on the fiber material layer 6 and heated by a heat source 14, so that the Thermoplastic 7 "on the surface easily melts and is able to wet the fibers in contact with him, or to flow.
  • thermoplastic 7 cools while passing through a cooling zone downstream of the heat source 14 so that the thermoplastic is bonded to the fibrous material layer, followed by the fiber material layer 6 with thermoplastic balls adhering to the surface of the fibrous material by means of the winding device 16 a roll 12 wound up.
  • FIG. 2 shows below an enlarged schematic section of such a role of a wound fiber material layer 6 with adhering thermoplastic 7 ".
  • FIG. 3 shows a schematic longitudinal cross section through a manufacturing plant for the production of a fiber material layer with hotmelt adhesive.
  • the process for its production is also apparent here.
  • FIG. 1 the coating of the back of the fiber material layer 6.
  • a hotmelt adhesive 7 ' is melted from a hot melt adhesive applicator 17 applied over the entire surface in a layer thickness of 50 microns on the fiber material layer.
  • deflection rollers 18 of the Hot-melt adhesive 7 ' is brought into contact with the supply of a siliconized release paper 13 and covered and rolled up together.
  • section of the roll 12 are individual layers of release paper 13, hot-melt adhesive 7 ', fiber material layer 6 and adhering to the surface of the fiber material thermoplastic balls 7 "visible.
  • FIG. 4a shows a schematic cross section through a fiber material layer 6, on which on one side a solid at room temperature thermoplastic 7 "in the form of adhering to the surface of the fiber material thermoplastic beads, adhered is applied , or it, in FIG. 2 has been described.
  • FIG. 4b shows a schematic cross-section through a fiber material layer 6, on which on one side a solid at room temperature thermoplastic 7 "in the form of adhering to the surface of the fiber material thermoplastic balls, is adhesively applied and the thermoplastic 7" having side 9 'opposite side 9 "
  • Fiber material layer has a pressure-sensitive hot-melt adhesive 7 'such a fiber material layer was by means of a manufacturing plant, or processes such as, or, in FIG. 3 has been described.
  • Figure 4c shows a schematic cross section through a film (10) of a room temperature solid thermoplastic 7 ", which is coated on one side with hotmelt adhesive 7 '.
  • FIG. 5 shows a schematic cross section through a support structure 2 with applied primer 3, plastic film 4, plastic primer 7 'and fiber material layer 6 with thermoplastic 7 ".
  • a plastic primer 7' was applied.
  • the plastic primer is preferably a two-component polyurethane primer.
  • a fiber material layer 6 with solid thermoplastic 7 " as in FIG. 4a has been described, placed in the not yet fully cured plastic primer 7 'in step (iv'). This takes place in such a way that the side (9 ") of the fiber material layer (6) opposite the thermoplastic (7") having side (9 ') is brought into contact with the plastic primer (7').
  • FIG. 6 shows a schematic cross section through a support structure 2 with applied primer 3, plastic film 4, hotmelt adhesive 7 ', fiber material layer 6 and thermoplastic 7 ".
  • step (iii ) primerless now a fiber material layer 6 with hotmelt adhesive 7 'and with solid thermoplastic 7", as in FIG. 4b described, applied to the plastic film 4. This is done so that the pressure-sensitive adhesive having side 9 '"of the fiber material layer 6 is brought into contact with the plastic film 4.
  • FIG. 7 shows a schematic cross section through a support structure 2 with applied primer 3, plastic film 4, hotmelt adhesive 7 ', and thermoplastic film 10th
  • step (iii "') now a film 10 of a solid at room temperature thermoplastic 7", which on the plastic film 5 facing side 11 of the film 10, a hotmelt adhesive 7' primerless on the plastic film 4, applied.
  • FIG. 8 shows a schematic cross section through a roadway structure.
  • thermoplastic spheres 7 were heated by contact with the molten bitumen and melted in.
  • the thermoplastic 7 was shown as a full-surface layer.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Road Paving Structures (AREA)
  • Laminated Bodies (AREA)
  • Bridges Or Land Bridges (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
EP20080170040 2008-11-27 2008-11-27 Verfahren zur Herstellung einer Fahrbahnabdichtung Withdrawn EP2192233A1 (de)

Priority Applications (9)

Application Number Priority Date Filing Date Title
EP20080170040 EP2192233A1 (de) 2008-11-27 2008-11-27 Verfahren zur Herstellung einer Fahrbahnabdichtung
PCT/EP2009/065948 WO2010060980A1 (de) 2008-11-27 2009-11-27 Fahrbahnabdichtung und verfahren zu deren herstellung
RU2011126124/03A RU2475583C1 (ru) 2008-11-27 2009-11-27 Уплотнение дорожного полотна и способ его изготовления
AU2009319001A AU2009319001A1 (en) 2008-11-27 2009-11-27 Lane seal and method for the manufacture thereof
EP09759954A EP2370638A1 (de) 2008-11-27 2009-11-27 Fahrbahnabdichtung und verfahren zu deren herstellung
CN2009801470105A CN102224297A (zh) 2008-11-27 2009-11-27 路面密封及其建造方法
JP2011537984A JP2012510013A (ja) 2008-11-27 2009-11-27 レーンシール及びその製造方法
US13/117,777 US20110250012A1 (en) 2008-11-27 2011-05-27 Roadway sealing and method for its production
RU2012147626/03A RU2012147626A (ru) 2008-11-27 2012-11-08 Уплотнение дорожного полотна и способ его изготовления

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EP3095914B1 (de) * 2015-05-20 2021-01-27 Sika Technology AG Verfahren zur herstellung eines fahrbahnaufbaus
CN106835882B (zh) * 2017-03-15 2019-07-23 中交第三公路工程局有限公司 一种水泥稳定碎石基层裂缝控制方法

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JP2012510013A (ja) 2012-04-26
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AU2009319001A1 (en) 2010-06-03
EP2370638A1 (de) 2011-10-05
WO2010060980A1 (de) 2010-06-03
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US20110250012A1 (en) 2011-10-13
RU2012147626A (ru) 2014-05-20

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