WO2009127448A1 - Procédé de collage de granulats - Google Patents

Procédé de collage de granulats Download PDF

Info

Publication number
WO2009127448A1
WO2009127448A1 PCT/EP2009/050501 EP2009050501W WO2009127448A1 WO 2009127448 A1 WO2009127448 A1 WO 2009127448A1 EP 2009050501 W EP2009050501 W EP 2009050501W WO 2009127448 A1 WO2009127448 A1 WO 2009127448A1
Authority
WO
WIPO (PCT)
Prior art keywords
adhesive
granules
hot melt
bed
nozzle
Prior art date
Application number
PCT/EP2009/050501
Other languages
German (de)
English (en)
Inventor
Hans-Peter Kohlstadt
Horst Hoffmann
Gunter Hoffmann
Ludo Vansichen
Roger Hartenburg
Original Assignee
Henkel Ag & Co. Kgaa
Terraelast 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 Henkel Ag & Co. Kgaa, Terraelast Ag filed Critical Henkel Ag & Co. Kgaa
Publication of WO2009127448A1 publication Critical patent/WO2009127448A1/fr

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C7/00—Coherent pavings made in situ
    • E01C7/08—Coherent pavings made in situ made of road-metal and binders
    • E01C7/30—Coherent pavings made in situ made of road-metal and binders of road-metal and other binders, e.g. synthetic material, i.e. resin

Definitions

  • the invention relates to a method for attaching layers of mineral granules with hot melt adhesives by gluing.
  • Road pavements made of asphalt are known. These are solidified layers of granules that are bound with thermoplastic bitumen. These coatings have the disadvantage that at elevated ambient temperature under mechanical stress often occurs a deformation. They are made by mixing granules with heated liquid bitumen.
  • WO 2006/099819 describes a floor covering as a road surface consisting of glass particles together with a reactive 1K or 2K adhesive based on polyurethane adhesives or epoxy adhesives. The ingredients are mixed and then applied and processed.
  • WO 2005/075741 a water-permeable floor covering is described, which consists of certain particulate raw materials, which are solidified with organic adhesives.
  • adhesives reactive polyurethanes or epoxy resins are described. It is introduced a deformable mixture of adhesive and gravel. It is described that, in the case of applying a top coat, it is additionally possible to spray on an adhesive layer.
  • the adhesives are not further specified.
  • bitumen is used as the thermoplastic material, it is often found that it is so viscous that thorough mixing is difficult. Furthermore, bitumen and other tar and oil containing products are disadvantageous from the viewpoint of environmental protection. In many cases, it can not be ensured that these sticky materials wash out low-molecular constituents which have environmental toxicological properties there.
  • the object is to provide a method for attaching a covering of mineral granules available, with a subsequent hardening of the granular layer is to be made possible. Furthermore, no complex Mischapperaturen be necessary to ensure safe application.
  • Another object of the present invention is to provide a method with which subsequent repairs of already bonded layers is also possible.
  • the invention is achieved by a method for fixing a layer of granules, wherein a bed of mineral granules having a particle size of 1 to 75 mm is prepared, this is optionally compressed and molded, and the granules are bonded with a thermoplastic hot melt adhesive, wherein the hotmelt adhesive should have a viscosity of 200 mPas to 10,000 mPas at 130 0 C and the molten adhesive at a temperature of 150 to 230 0 C by pouring, spraying or soaking is applied.
  • the method can be applied to layers of known granules of mineral materials. These granules consist of the coarse-grained minerals, such as stone, gravel, coarse sand, chippings, or gravel.
  • the particle size distribution of the granules should be from 1 to 75 mm, in particular between 2 to 60 mm. Examples of common commercially available grain sizes of the granules are between 8 to 11 mm, 16 to 32 mm or 33 to 56 mm. It is advantageous to use several different particle size distributions together.
  • the particle size distribution is defined according to DIN 66145, with a parameter of at least 9 and neglecting 1% oversize and undersize.
  • granules commercial mixtures can be used, in particular gravel, SpNt or gravel.
  • a color selection so that a special color design of the surface is possible, for example, ceramic or colored stone materials.
  • the suitable mineral granules should preferably comprise different particle sizes.
  • By selecting the granules it is possible to influence the void volume in the coating.
  • high grain sizes for example grain sizes between 30 to 50 mm, a high proportion of cavities.
  • Fine grain sizes for example between 5 to 18 mm, result in a smaller void volume.
  • Such granules are known to the person skilled in the art, for example, gravel layers, as usual in road construction or in track construction, can be used according to the invention.
  • the void volume of the bonded coating layer is between 10 and 60% by volume, i. the finished layer should have a plurality of cavities.
  • the proportion may be 15 to 45%.
  • the void volume can be measured as stagnation volume, which is understood to mean the volume of the water absorption of a body that can absorb it in its cavities.
  • Suitable adhesives for the process according to the invention are thermoplastic hot-melt adhesives which have a high softening temperature (ring-ball method, measured in accordance with DIN 52011). These are solid, non-reactive, solvent-free adhesives that melt at elevated temperatures, are applied by heat and give a firm bond on cooling.
  • Such hot melt adhesives contain one or more thermoplastic base polymers and resins, plasticizers and optionally other additives and additives.
  • the known thermoplastic base polymers can be used, such as polyolefins, ethylene-vinyl acetate copolymers, polyamides, polyesters, polyurethanes, polyacrylates or styrene copolymers or block copolymers. Such polymers are known in the art in principle. About the Selection of monomers and the molecular weight is to influence the softening temperature.
  • suitable base polymers are homopolymers or copolymers based on ethylene and / or propylene and optionally other copolymerizable monomers which can be obtained by free-radical or coordinative polymerization.
  • the monomers which may be used in addition to ethylene and / or propylene are the known olefinically unsaturated monomers copolymerizable with ethylene / propylene.
  • o-oc-olefins such as butene, hexene, methylpentene, octene; cyclic unsaturated compounds such as norbornene or norbornadiene; symmetrically or asymmetrically substituted ethylene derivatives, wherein as substituents Ci to Ci 2 -Al kylreste are suitable.
  • These may be homopolymers or copolymers which may also contain other copolymerizable monomers. Homo / copolymers should also be understood as meaning polymers of more than two monomers. The amount of comonomer should preferably be below 30%.
  • One embodiment of the invention uses copolymers based on ethylene with C 4 to C 2 o-oc olefins. Another embodiment uses polymers of propylene with C 4 to C 2 o-Oc olefins. Likewise suitable are copolymers based on ethylene and / or propylene. These can also be prepared by catalysis with metallocene compounds. Such binders are often amorphous atactic polyolefins (APAO).
  • APAO amorphous atactic polyolefins
  • the (co) polymers thus obtained have a molecular weight of from 1000 to 200 000 g / mol, in particular from 1500 to 50000 g / mol, more preferably up to 30 000 g / mol (number average molecular weight (M N ), determinable by gel permeation chromatography) , In particular, those polymers are suitable which have a low viscosity at 150 to 180 0 C.
  • Such polyolefins are known in the art and can be obtained commercially from various manufacturers.
  • ethylene-vinyl acetate (EVA) copolymers are suitable. These are copolymers based on vinyl acetate and ethylene, which may optionally contain further monomers einpolymerisierbare.
  • the content of vinyl acetate should be from 10 to 50 wt .-%, preferably between 15 and 40 wt .-%, in particular 18 to about 30 wt .-%.
  • C 3 to Ci 0 unsaturated carboxylic acids such as acrylic acid, methacrylic acid, crotonic acid, isocrotonic acid
  • ⁇ -ß-unsaturated C 4 to C 10 -alkylenedicarboxylic acids such as maleic acid, fumaric acid or itaconic acid.
  • Other monomers that may be copolymerized in the EVA include, for example
  • C 1 to C 5 alkyl vinyl esters C 1 to C 5 alkyl (meth) acrylate, C 1 to C 5 alkyl esters of dicarboxylic acids, for example, such as alkyl fumarate, methyl (meth) acrylate, butyl (meth) acrylate, 2-ethylhexyl (meth) acrylate; C 1 to C 6 hydroxyalkyl (meth) acrylate, such as hydroxyethyl or hydroxypropyl (meth) acrylate; Acrylonitrile, acrylamide, methacrylamide, N-methylol-acrylamide.
  • Such monomers may be contained in amounts of from 0.2% to 10% by weight, especially up to 5% by weight, based on the polymer in the EVA copolymer.
  • T G glass transition temperature
  • melting point melting point
  • softening point can be influenced.
  • M N molecular weight of such EVA copolymers is usually between 3,000 and 200,000 g / mol, in particular up to 100,000 g / mol.
  • EVA polymers processes for their preparation and suitable comonomers are known in the art. He can select them according to application properties, such as the melting temperature, melt viscosity, softening point or adhesion properties. It is also possible, for example, to use elastic thermoplastic block copolymers.
  • elastic polymers are to be understood in particular as meaning styrene block copolymers which may have elastic or rubber-elastic properties. These may be 2 block or 3 block copolymers having at least one styrene block.
  • Examples include SBR, SAN, styrene-isoprene copolymers (SIS), styrene-ethylene / butylene copolymers (SEBS), styrene-ethylene / propylene copolymers (SEPS), styrene-isoprene-butylene copolymers (SIBS), strylol Butadiene copolymers (SBS), hydrogenated styrene-butylene-butadiene copolymers (SBBS).
  • SIS styrene-isoprene copolymers
  • SEBS styrene-ethylene / butylene copolymers
  • SEPS styrene-ethylene / propylene copolymers
  • SIBS styrene-isoprene-butylene copolymers
  • SIBS strylol Butadiene copolymers
  • SBS hydrogenated styrene
  • Such polymers can be used in particular as mixtures. These products are known to those skilled in the art and are commercially available.
  • Thermoplastic polyesters for example, which are obtainable by reacting dicarboxylic acids with corresponding polyfunctional alcohols, in particular difunctional alcohols, for example difunctional polyethers, such as polyethylene oxide, are also suitable as hot-melt adhesives.
  • Such polyesters are described for example in EP-A 028687. These are reaction products of aliphatic, cycloaliphatic or aromatic dicarboxylic acids which can be reacted with aliphatic, cyclic or aromatic polyols. By selecting the carboxylic acids and the polyols, crystalline or partially crystalline polyesters can be obtained.
  • polyesters should not be crosslinked and fusible, preferably linear polyesters.
  • the molecular weight of suitable polyesters should be between 1500 and 30,000 g / mol, in particular between 3,000 and 20,000 g / mol.
  • suitable hotmelt adhesives may be based, for example, on thermoplastic polyamide base polymers.
  • Suitable polyamides are For example, in EP-A 749 463 described. These are polyamide hot melt adhesives based on dicarboxylic acids and polyether diamines. Also suitable hot melt adhesives are described in EP-A 204 315. These are polyesteramides which are produced on the basis of polymer fatty acids and polyamines.
  • block copolymers of polyamides and polyethers which are obtained by the reaction of substantially linearly structured carboxylic acid-functional and / or amine-terminated polyamides based on dimerized fatty acids and aliphatic or cycloaliphatic diamines with essentially linear aliphatic polyethers and / or or their amines.
  • Dimer or polymer fatty acids are those fatty acids which are prepared in a known manner by dimerization of unsaturated, long-chain fatty acids obtained from natural raw materials, optionally hydrogenated, and then further purified by distillation.
  • Dimer standing. Polymer fatty acids may contain the acid component of the polyamide nor C 4 to C- 4 dicarboxylic acids, examples of such dicarboxylic acids are maleic acid, succinic acid, adipic acid, azelaic acid, sebacic acid, dodecanedioic acid, glutaric acid, suberic acid, pimelic acid or aromatic dicarboxylic acids such as terephthalic acid or mixtures.
  • the diamine component consists essentially of one or more aliphatic diamines, preferably having an even number of carbon atoms, with the amino groups at the ends of the carbon chains.
  • the aliphatic diamines may contain from 2 up to 20 carbon atoms, which aliphatic chain may be linear or slightly branched.
  • the amino component may furthermore comprise cyclic diamines or heterocyclic diamines, for example 1,4-cyclohexanediamine, 4,4'-diamino-dicyclohexylmethane, piperazine, cyclohexane-bis (methylamine), isophoronediamine, dimethylpiperazine, dipiperidylpropane, Dimer diamines (amines made from dimer fatty acids).
  • nylon types can also be used as the hotmelt adhesive, for example nylon-6,6, nylon-6,9 or nylon-6,12.
  • the hot-melt adhesive suitable according to the invention must contain at least one base polymer; it is also possible to use mixtures of polymers. Since the polymers significantly affect the properties of the hotmelt adhesive, the melting point of the base polymers and their mixtures should be from 80 to 200.degree. C., in particular above 100.degree. C. and below 160.degree. In addition, the hot melt adhesive may contain other ingredients.
  • a suitable hot melt adhesive contains at least one resin.
  • the resin causes additional tackiness and improves the compatibility of the hot melt adhesive components.
  • These are in particular resins which have a softening point of 70 to 140 0 C (ring-ball method, DIN 52011). These are, for example, aromatic, aliphatic or cycloaliphatic hydrocarbon resins, as well as modified or hydrogenated versions thereof.
  • Other suitable resins are hydroabietyl alcohol and its esters are preferably modified natural resins, such as balsam resin resin acids, tall resin or rosin, terpene resins, in particular copolymers of terpene, and hydrogenated derivatives thereof; Acrylic acid copolymers and reaction products based on functional hydrocarbon resins.
  • the resin has a low molecular weight of below 2000 g / mol, in particular below 1500 g / mol. It may be chemically inert or it may optionally also contain functional groups, such as OH groups, carboxyl groups or double bonds.
  • the amount of the resin should be between 0 to 40 wt .-% based on the hot melt adhesive, in particular 5 to 30 wt .-%.
  • additives or additives which may influence certain properties of the adhesive are present in the hot-melt pressure-sensitive adhesive according to the invention.
  • Cohesive strength, viscosity, softening point or processing viscosity include, for example, plasticizers, stabilizers, waxes, adhesion promoters, antioxidants or similar additives.
  • the amount should be up to 30% by weight. It is also possible to use several additives as a mixture. Furthermore, fillers can be used to increase the strength.
  • Plasticizers are preferably used to adjust the viscosity or flexibility and are generally contained in a concentration of 0 to 20% by weight, preferably 0 to 10% by weight.
  • Suitable plasticizers are, for example, medicinal white oils, naphthenic mineral oils, polypropylene, polybutene, polyisoprene oligomers, hydrogenated polyisoprene and / or polybutadiene oligomers, benzoate esters, phthalates, paraffinic hydrocarbon oils or polypropylene glycol and polybutylene glycol.
  • waxes can be added to the hot melt adhesive in amounts of 0 to 30 wt .-%.
  • the amount is dimensioned so that on the one hand, the viscosity is lowered to the desired range, on the other hand, the adhesion is not adversely affected.
  • the wax can be of natural or synthetic origin. Vegetable waxes, animal waxes, mineral waxes or petrochemical waxes can be used as natural waxes. Hard waxes such as montan ester waxes, sarsol waxes, etc. can be used as the chemically modified waxes. As synthetic waxes find polyalkylene waxes and polyethylene glycol waxes use.
  • petrochemical waxes such as petrolatum, microwaxes and synthetic waxes, in particular polyethylene waxes, polypropylene waxes, if appropriate PE or PP copolymers, Fischer-Tropsch resins, paraffin waxes or microcrystalline waxes.
  • antioxidants are stabilizers or light stabilizers. Their task is to protect the polymers from degradation during processing. Here are in particular the antioxidants to call. you will be Usually I added in amounts of up to 3 wt .-%, preferably in amounts of about 0.1 to 1, 0 wt .-% of the hot melt pressure sensitive adhesive.
  • fillers may also be added to the adhesive in amounts of up to 25% by weight, for example finely ground inorganic compounds such as chalk, coated chalk, limestone, calcium magnesium carbonates, aluminum oxides and hydroxides, precipitated silica, zeolites, bentonites, glass, hollow spheres or ground minerals. These should be present as powders, i. have a particle size between 1 to 200 .mu.m, in particular between 3 to 50 microns. These are dispersed homogeneously in the adhesive. By selection and amount, the strength of the adhesive can be influenced and its viscosity behavior.
  • finely ground inorganic compounds such as chalk, coated chalk, limestone, calcium magnesium carbonates, aluminum oxides and hydroxides, precipitated silica, zeolites, bentonites, glass, hollow spheres or ground minerals. These should be present as powders, i. have a particle size between 1 to 200 .mu.m, in particular between 3 to 50 microns. These are dispersed homogeneously in the adhesive. By selection
  • a suitable hot melt adhesive may consist of 25 to 75 wt .-% of at least one base polymer, 10 to 50 wt .-% of at least one tackifying resin, 0 to 20 wt .-% of at least one wax and / or plasticizer, 0 to 25 wt. -% of other additives, such as pigments, stabilizers or adhesion promoters, the sum should give 100%.
  • Particularly suitable for these non-reactive hot melt adhesives are base polymers selected from ethylene vinyl acetate, polyolefins and / or polyesters.
  • the constituents of the hotmelt adhesive used should preferably be chosen such that they are not water-soluble and can not be washed out with water. In particular, no environmentally hazardous leachable substances should be contained in a suitable hotmelt adhesive.
  • the hot melt adhesive has a viscosity of 200 to 10,000 mPas at application temperature (measured according to EN ISO 2555, Brookfield RVT), preferably between 400 and 5000 mPas, in particular up to 3000 mPas.
  • the Application temperature should be at least 130 0 C, preferably in the range of 150 to 220 0 C.
  • the viscosity under application conditions must be selected so that a sufficient penetration of the hot melt adhesive into the granule layer is ensured. This flow also depends on the grain size, with a smaller grain size, a low application viscosity must be used. If the viscosity is too high, the upper areas of a gravel layer are glued very well, but the connection to the deeper areas is not guaranteed. Furthermore, this can lead to an excessive bonding of the upper parts of the layer can be achieved, so that the water permeability is adversely affected.
  • the softening point of the hot melt adhesives should be above 80 ° C, preferably above 90 0 C, but it is usually below 150 ° C, in particular below 130 ° C. If the softening point is too high, generally no suitable viscosity will be obtained after melting. If the softening point is too low, the adhesion of the coating is not stable at elevated ambient temperature.
  • the hotmelt adhesive should at room temperature, for example 15 to 30 0 C, have no rubber elasticity. An elastic strain should be below 20%. Preferably, the adhesive should have a Shore hardness of 20 ° C. (Shore D according to DIN 53505) above 40, in particular above 50. This can be done by selecting the base polymers or a filler powder can be added.
  • the inventive method brings suitable non-reactive hot melt adhesives in an already prepared layer of granules.
  • the granules are formed into a layer, for example a ballast bed.
  • the hot melt adhesive is applied to the prepared layer.
  • the amount of the hot melt adhesive should be chosen so that between 1 to 30 Wt .-% melt adhesive based on the amount of granules are used. In this case, the amount of adhesive used can be selected lower, if the average grain diameter of the granules is chosen to be larger. In particular, the amount of the hotmelt adhesive may be 1 to 15% by weight.
  • a layer of the appropriate mineral granules is first prepared. This can be shaped accordingly, furthermore it is usual that the granulate layer is compacted by known measures.
  • the heating can be done by known measures, such as heating with flames or with hot air. It is useful if the surface of the granules is heated to a temperature of above 50 0 C, in particular above 70 0 C. By heating is also achieved that possible surface moisture of the granular layer evaporates, so that the predominant surface of the granules to be wetted is dry.
  • the hot melt adhesive is applied.
  • the adhesive is melted in known aggregates, e.g. Melting boilers or extruders, and transported via pumps and lines to a gun.
  • the application head may consist of a nozzle, so that individual large drops or a strand of the hot melt adhesive are discharged.
  • Another application is that, for example, with a slot die, a film of a hot melt adhesive is applied.
  • the hot melt adhesive is applied from one or more nozzles.
  • the hotmelt adhesive in the supply lines has a sufficient temperature. If necessary, it is also possible to heat the gun. Furthermore, if necessary, the application can be supported with a hot air flow.
  • a preferred operation according to the invention is the application as an adhesive film or continuously as a strand.
  • the hotmelt adhesive wets the surface of the granules and continues to flow downwards by gravity.
  • the penetration depth should be up to 20 cm, depending on the viscosity of the hotmelt adhesive.
  • the viscosity is determined by the selected hot melt adhesive. Furthermore, it is possible to lower the viscosity by increasing the application temperature.
  • the hotmelt adhesive does not decompose at the selected temperature. It is possible to heat the hot melt adhesive in a suitable device so that it is converted into a liquid pumpable form. Shortly before emerging from the nozzle, the hot melt adhesive can be brought to a much higher temperature for a short time. Since application is made immediately thereafter, decomposition of the adhesive can be avoided.
  • One method of application is to form a nozzle into a continuous film or strand of the molten adhesive.
  • the nozzle can move in the longitudinal direction over the prepared granule layer.
  • Another method of introduction according to the invention may consist in that the application nozzles are moved in an oscillating manner over the surface of the granules.
  • Another method of operation is that one or more tubular nozzles configured to penetrate the surface of the ballast superficially. From these nozzles can then be pressed under pressure, the adhesive in the layer, which then flows. Thereafter, then these nozzles can be pulled out and bring in other places the adhesive in the layer.
  • the rate of application is influenced by the viscosity, temperature and speed of movement of the application and heating device.
  • a higher relative speed of the application nozzle to the granulate layer is selected.
  • a better flow of the hotmelt adhesive can be achieved by heating the granule surfaces of the layer. This can be achieved for example by increasing the air temperature and by a larger amount of heated air.
  • the rate of progression of the applicator nozzle over the granule layer is selected so that a sufficient amount of adhesive is applied and still flows through the layer while heated.
  • each granule particle is covered by the hot melt adhesive. It is sufficient if individual contact points of the granule particles are joined together with hot melt adhesive.
  • a solidification step of the granule layer may additionally be carried out.
  • the wetted surfaces are brought into contact with each other. This can be done for example by rolling, shaking or similar measures. This solidification must be carried out as long as a flow of the hot melt adhesive between the granules is still possible.
  • the hot melt adhesive After the introduction of the hot melt adhesive in the granular layer, it is possible to promote the further flow of the hot melt adhesive by additional heat input. This can be done, for example, by blowing in hot air.
  • Equipment and apparatus for heating the ballast layer, for melting and applying hot melt adhesives are known in the art. It can be used, for example, the usual heated fan. Furthermore, the usual melting devices may be provided with feed pumps, e.g. Gear pumps, and flexible heated pipes are used. These may possibly be insulated or contain additional heating elements.
  • the method according to the invention is particularly suitable for strengthening base courses of ballast in road or track construction.
  • a layer of granules for example of coarse gravel, can be applied to a substructure known per se. This is prepared according to the requirements. Subsequently, the layer is bonded with a hotmelt adhesive by the method according to the invention.
  • thermoplastics By bonding with hot melt adhesives, it is possible to produce a good adhesion of the different granular materials. Likewise, the viscosity behavior of hot melt adhesives is important.
  • the adhesive must have a low viscosity in a narrow temperature range, for example of 30 ° C., At ambient temperature, however, ensure a good stable bond.
  • Known thermoplastics generally have a tough flow behavior, so they can not penetrate sufficiently deep into the granule layer.
  • the flooring layer which has been bonded and secured in the method according to the invention, has a multiplicity of improved properties.
  • a high water permeability is ensured by the covering. Even short-term high amounts of water are removed from the surface. Even in cold weather conditions, the high proportion of cavities still a water removal is possible.
  • a further layer can be applied as a floor covering on the so-consolidated support layer.
  • These can be cover layers, as used in road construction.
  • Another application of the bonding according to the method of the invention is the bonding of gravel layers in track construction.
  • the layers thus solidified are characterized by a high water permeability and they are stable against the burdens of rail transport.
  • the gravel layers bonded with the hot melt adhesives suitable according to the invention show a good stability during the bonding.
  • a sufficiently stable bonding is given under different weather conditions even at warmer ambient temperature.
  • no breaking up of the gravel layer is to be expected.
  • the adhesive has sufficient flexibility to withstand the stress of vibration without breaking the bond.
  • the successful attachment of the granules together also gives the advantage that in a later reprocessing of the granular materials, only a minor proportion of crushed, crushed or crushed granules components is obtained. For an improved recycling of the ballast is possible.
  • thermoplastic adhesive which has a low elastic elongation and is made harder.
  • the layer thus adhered to elevated temperature for example, as under direct sunlight, or by low temperature, such as winter periods, give.
  • the adhesive applied according to the invention should have good elasticity. By selecting the constituents of the adhesive, it is possible that the environmental impact is reduced by the use of a hot melt adhesive. Furthermore, simply melting and transport devices are suitable, the problem known in the use of 2-component adhesives when mixing the components, which can lead to a different bond quality, are avoided by the inventive method.
  • melt adhesive As an example, two hot melt adhesives are described which, after melting, show a suitable viscosity for application by the process according to the invention.
  • Melt adhesive :
  • a mixture is made from:
  • hydrocarbon resin I-Marw P-125
  • Paraffin wax Sasol wax H1
  • Viscosity at 160 0 C 1600 mPas softening point: about 95- 100 0 C.
  • a mixture is made from:
  • a granulate mixture of different grading lines (12 to 56 mm) is provided.
  • Test specimens 50x20x15 cm can be produced and these are compacted.
  • An adhesive according to Examples 1 to 3 is guided from a nozzle at 180 0 C oscillating over the surface. The amount of adhesive is 8% on the granule content.
  • the samples are allowed to rest for 2 days at room temperature.
  • the bonded specimens have a good, stable bond. Even after 48 h of storage in water and dry the test specimen is a stable bonding (compressive strength, tensile strength) give.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Adhesives Or Adhesive Processes (AREA)

Abstract

La présente invention concerne un procédé de collage d'une couche de granulats, un remblai composé de granulats minéraux dont les grains présentent une grosseur de 1 à 75 mm étant fabriqué, éventuellement compacté et mis en forme, et les particules de granulats étant ensuite collées avec une colle thermodurcissable, la colle thermodurcissable présentant une viscosité comprise entre 200 mPas et 10000 mPas au-dessus de 130°C. La colle fondue est appliquée à une température de 150 à 230°C par coulée, pulvérisation, imprégnation, puis elle s'écoule également dans les couches situées en profondeur.
PCT/EP2009/050501 2008-04-17 2009-01-16 Procédé de collage de granulats WO2009127448A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102008019439A DE102008019439A1 (de) 2008-04-17 2008-04-17 Verfahren zum Verkleben von Granulaten
DE102008019439.6 2008-04-17

Publications (1)

Publication Number Publication Date
WO2009127448A1 true WO2009127448A1 (fr) 2009-10-22

Family

ID=40627083

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2009/050501 WO2009127448A1 (fr) 2008-04-17 2009-01-16 Procédé de collage de granulats

Country Status (2)

Country Link
DE (1) DE102008019439A1 (fr)
WO (1) WO2009127448A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20140099473A (ko) * 2011-12-06 2014-08-12 헨켈 아게 운트 코. 카게아아 반응성 2-성분 핫멜트 접착제 조성물
CN106328261A (zh) * 2015-09-15 2017-01-11 桂林绿元科技有限公司 一种内填充防水线束及其制作方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3112681A (en) * 1959-08-03 1963-12-03 Exxon Research Engineering Co Paving with polymer-bonded aggregates
DE19632639A1 (de) * 1996-08-13 1998-02-19 Klaus Dieter Ihle Verfahren zur Oberflächenstabilisierung von Schotterbetten und anderen Schüttgütern im Bahn-, Straßen- und Wegebau
WO2002020661A1 (fr) * 2000-09-05 2002-03-14 Pounds Randall J Composition de revetement et d'etancheite et son procede d'utilisation

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2945729C2 (de) 1979-11-13 1982-06-09 Chemische Werke Hüls AG, 4370 Marl Verfahren zur Herstellung von hochmolekularen, linearen Polyestern
US4656242A (en) 1985-06-07 1987-04-07 Henkel Corporation Poly(ester-amide) compositions
WO1993021387A1 (fr) * 1992-04-09 1993-10-28 Sumitomo Rubber Industries, Ltd. Pavage, materiau de pavage et procede de fabrication
DE4408277A1 (de) 1994-03-11 1995-09-14 Henkel Kgaa Polyamid-Schmelzklebstoff
WO1996026821A1 (fr) 1995-02-25 1996-09-06 Koch Marmorit Gmbh Procede et dispositif de production et d'application d'une resine a deux composants
DE19632640A1 (de) * 1996-08-13 1998-02-19 Klaus Dieter Ihle Verfahren zur Herstellung und/oder dessen Vorfertigung eines drainagefähigen Schüttgutbelages und/oder Bauelementes für den Bahn-, Straßen- und Wegebau und Hoch- u. Tiefbau
DE19642025A1 (de) * 1996-10-11 1998-04-23 Klaus Dieter Ihle Verfahren zur Herstellung einer drainagefähigen Trennschicht zwischen Kiesbettung und Fahrbahnbelag im Straßen-, Wege- und Platzbau in Verbindung mit drainagefähigen Seitenstreifen und einem seitlich abgewinkeltem Fahrbahnbelag
DE19651749A1 (de) * 1996-12-12 1998-06-18 Claus Dieter Ihle Verfahren und Herstellung einer stabilen tragfähigen Abschlußschicht von Fahrbahnbelägen im Straßen-, Wege- und Platzbau und Tiefbau
DE102004006165B4 (de) 2004-02-07 2007-01-18 Terraelast Ag Wasserdurchlässiger Bodenbelag und Verfahren zur Herstellung eines Bodenbelags
US20090038511A1 (en) 2005-03-18 2009-02-12 Terraelast Ag Carriageway and ground surfacing for carriageways

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3112681A (en) * 1959-08-03 1963-12-03 Exxon Research Engineering Co Paving with polymer-bonded aggregates
DE19632639A1 (de) * 1996-08-13 1998-02-19 Klaus Dieter Ihle Verfahren zur Oberflächenstabilisierung von Schotterbetten und anderen Schüttgütern im Bahn-, Straßen- und Wegebau
WO2002020661A1 (fr) * 2000-09-05 2002-03-14 Pounds Randall J Composition de revetement et d'etancheite et son procede d'utilisation

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20140099473A (ko) * 2011-12-06 2014-08-12 헨켈 아게 운트 코. 카게아아 반응성 2-성분 핫멜트 접착제 조성물
KR102034322B1 (ko) 2011-12-06 2019-10-18 헨켈 아게 운트 코. 카게아아 반응성 2-성분 핫멜트 접착제 조성물
CN106328261A (zh) * 2015-09-15 2017-01-11 桂林绿元科技有限公司 一种内填充防水线束及其制作方法

Also Published As

Publication number Publication date
DE102008019439A1 (de) 2009-10-22

Similar Documents

Publication Publication Date Title
EP2281948B1 (fr) Construction de voie de circulation dotée de propriétés améliorées
US20190055704A1 (en) Pelletized Road Marking Binders and Related Methods
US20160297969A1 (en) Asphalt compositions comprising hydrogenated and aminated vegetable oil, asphalt products made from such asphalt compositions, and the methods of making and using such compositions and products
EP3183302B1 (fr) Enduit à résine de réaction pour marques au sol en matière plastique à froid résistantes aux salissures
KR101637192B1 (ko) 염화물 침투를 억제하는 고밀도 내구성 아스팔트 바인더 및 아스팔트 콘크리트 혼합물
WO2002090454A1 (fr) Adhesif fusible se presentant sous la forme de granules
CN1837316A (zh) 一种用于防水毯的层间胶粘剂
AT395979B (de) Kaltbindendes mittel auf bitumenbasis
KR20220036353A (ko) 자가수선형 고무아스팔트 조성물을 이용한 포장공법
WO2009127448A1 (fr) Procédé de collage de granulats
EP2370638A1 (fr) Structure d'étanchéification d'une chaussée et son procédé de production
DE102007023982B4 (de) Füllstoffhaltige Schmelzklebstoffe mit geringer Dichte und deren Verwendung
US11760691B2 (en) High friction surface treatment method and system thereof
WO2004076553A1 (fr) Composition de resine destinee au revetement
CN104302838A (zh) 改性橡胶复合材料及其获得方法
WO2009024402A1 (fr) Revêtement de sol collé
EP3095915B1 (fr) Application d'un treillis pour construction de bande de roulement dotée de propriétés adhésives améliorées
EP2788445B1 (fr) Composition de colle fusible réactive à deux composants
KR101816797B1 (ko) 천연 아스팔트를 이용한 도로용 아스팔트 핫멜트 방수제 조성물
DE19642025A1 (de) Verfahren zur Herstellung einer drainagefähigen Trennschicht zwischen Kiesbettung und Fahrbahnbelag im Straßen-, Wege- und Platzbau in Verbindung mit drainagefähigen Seitenstreifen und einem seitlich abgewinkeltem Fahrbahnbelag
WO2004076554A1 (fr) Composition de resine de pavage, composition de bitume routier et procede de production d'une composition de bitume routier
KR101850655B1 (ko) 천연 아스팔트를 이용한 도로용 아스팔트 핫멜트 방수제 조성물과 그리드를 이용한 줄눈부의 부분보수 균열방지 방수공법
DE19651749A1 (de) Verfahren und Herstellung einer stabilen tragfähigen Abschlußschicht von Fahrbahnbelägen im Straßen-, Wege- und Platzbau und Tiefbau
DE4029729A1 (de) Unterbodenschutz
JPH11117217A (ja) 緩衝性透水舗装材

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 09732295

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 09732295

Country of ref document: EP

Kind code of ref document: A1