EP0761859B1 - Matériau textile laminé, procédé pour sa fabrication, son usage et nappe contenant des fils hybride - Google Patents

Matériau textile laminé, procédé pour sa fabrication, son usage et nappe contenant des fils hybride Download PDF

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Publication number
EP0761859B1
EP0761859B1 EP96112431A EP96112431A EP0761859B1 EP 0761859 B1 EP0761859 B1 EP 0761859B1 EP 96112431 A EP96112431 A EP 96112431A EP 96112431 A EP96112431 A EP 96112431A EP 0761859 B1 EP0761859 B1 EP 0761859B1
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EP
European Patent Office
Prior art keywords
fibres
fabric
laminate according
hybrid
reinforcing
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.)
Expired - Lifetime
Application number
EP96112431A
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German (de)
English (en)
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EP0761859A1 (fr
Inventor
Josef Geirhos
Michael DI. Schöps
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Johns Manville
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Johns Manville International Inc
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Publication of EP0761859A1 publication Critical patent/EP0761859A1/fr
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Classifications

    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/02—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of forming fleeces or layers, e.g. reorientation of yarns or filaments
    • D04H3/04—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of forming fleeces or layers, e.g. reorientation of yarns or filaments in rectilinear paths, e.g. crossing at right angles
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/08—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating
    • D04H3/12—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with filaments or yarns secured together by chemical or thermo-activatable bonding agents, e.g. adhesives, applied or incorporated in liquid or solid form
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/08—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating
    • D04H3/14—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between thermoplastic yarns or filaments produced by welding
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H5/00—Non woven fabrics formed of mixtures of relatively short fibres and yarns or like filamentary material of substantial length
    • D04H5/06—Non woven fabrics formed of mixtures of relatively short fibres and yarns or like filamentary material of substantial length strengthened or consolidated by welding-together thermoplastic fibres, filaments, or yarns
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/902—High modulus filament or fiber
    • 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
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/10—Scrim [e.g., open net or mesh, gauze, loose or open weave or knit, etc.]
    • Y10T442/184—Nonwoven scrim
    • Y10T442/197—Including a nonwoven fabric which is not a scrim
    • 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
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/30—Woven fabric [i.e., woven strand or strip material]
    • Y10T442/3065—Including strand which is of specific structural definition
    • 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
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/30—Woven fabric [i.e., woven strand or strip material]
    • Y10T442/3472—Woven fabric including an additional woven fabric layer
    • Y10T442/3602—Three or more distinct layers
    • Y10T442/3667—Composite consisting of at least two woven fabrics bonded by an interposed adhesive layer [but not two woven fabrics bonded together by an impregnation which penetrates through the thickness of at least one of the woven fabric layers]
    • 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
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
    • Y10T442/608—Including strand or fiber material which is of specific structural definition

Definitions

  • Textile composites for the production of roofing membranes must meet a wide range of requirements.
  • sufficient mechanical stability is required, such as good perforation resistance and good tensile strength, for example to withstand the mechanical loads during further processing, such as bituminization or laying.
  • a high resistance to thermal stress for example when bituminizing or to radiant heat, and resistance to flying flames are required.
  • DE-A-3,417,517 discloses a textile interlining material with anisotropic properties and a process for its production.
  • the interlining consists of a substrate with a surface melting below 150 ° C, and therefore connected reinforcement filaments melting at 180 ° C, which are fixed on this surface parallel to each other.
  • the substrate can be a nonwoven fabric, on one surface of which there are hot-melt adhesive fibers or threads, which are provided for producing an adhesive bond of the reinforcing fibers arranged in parallel with the nonwoven fabric.
  • DE-A-3,941,189 also discloses a combination of reinforcing fibers in the form of a thread chain with nonwovens based on synthetic fibers, which can be connected to one another in a wide variety of ways, including through the use of adhesive fibers.
  • EP-A-0,281,643 discloses a combination of reinforcing fibers in the form of a network of bicomponent fibers with nonwovens based on synthetic fibers, the weight fraction of the network of bicomponent fibers being at least 15% by weight.
  • EP 0 138 294 A2 describes the production of blended yarns which consist of the components graphite, glass, aluminum, steel etc. and of thermoplastic fibers consist. A single yarn is made from these components. These yarns are processed into textile fabrics, for example by weaving. Graphite threads and synthetic threads can also be woven together. The production of a textile fabric on the one hand and the subsequent reinforcement with hybrid yarns is not disclosed there.
  • EP 0 717 133 A2 describes the production of hybrid yarns which consist of a type of filament with a lower heat shrinkage (type A) and a type with a higher heat shrinkage (type B) than the other filaments of the hybrid yarn. These hybrid yarns can be processed into textile fabrics such as woven fabrics, knitted fabrics, knitted fabrics or also stabilized scrims. This European patent application does not contain any teaching on how to combine hybrid yarns with an already finished textile fabric.
  • the present invention relates to a composite material according to claim 1. Further objects of the invention can be found in claims 2 to 28.
  • textile fabrics are woven fabrics, laid fabrics, knitted fabrics and knitted fabrics, and preferably nonwovens.
  • the textile fabric made of fibers made of synthetic polymers can also be a non-woven fabric bonded with a melt binder, which contains carrier and hot-melt adhesive fibers.
  • the carrier and hot-melt adhesive fibers can be derived from any thermoplastic thread-forming polymer.
  • Carrier fibers can also be derived from non-melting thread-forming polymers.
  • polymers from which the carrier fibers can be derived are polyacrylonitrile, polyolefins, such as polyethylene, essentially aliphatic polyamides, such as nylon 6.6, essentially aromatic polyamides (aramids), such as poly (p-phenylene terephthalate) or copolymers containing a proportion on aromatic m-diamine units to improve solubility or poly (mphenylene isophthalate), essentially aromatic polyesters, such as poly (phyroxybenzoate) or preferably essentially aliphatic polyesters, such as polyethylene terephthalate.
  • polyacrylonitrile polyolefins, such as polyethylene, essentially aliphatic polyamides, such as nylon 6.6, essentially aromatic polyamides (aramids), such as poly (p-phenylene terephthalate) or copolymers containing a proportion on aromatic m-diamine units to improve solubility or poly (mphenylene isophthalate), essentially aromatic polyesters, such as poly
  • Modified polyesters with a melting point which is lowered by 10 to 50 ° C., preferably 30 to 50 ° C., compared to the nonwoven raw material, are particularly suitable as hot melt adhesives.
  • hot melt adhesives are polypropylene, polybutylene terephthalate or by condensing in longer-chain diols and / or isophthalic acid or aliphatic dicarboxylic acids modified polyethylene terephthalate.
  • the hot melt adhesives are preferably introduced into the nonwovens in fiber form.
  • Carrier and hot-melt adhesive fibers are preferably constructed from one polymer class. This means that all fibers used are selected from a class of substances so that they can be easily recycled after the fleece has been used. If the carrier fibers are made of polyester, for example, the hot-melt adhesive fibers are also made of polyester or a mixture of polyesters, e.g. B. selected as a bicomponent fiber with PET in the core and a lower melting polyethylene terephthalate copolymer as a sheath.
  • composites according to the invention with flame-retardant properties are additionally bound, they preferably contain flame-retardant hotmelt adhesives.
  • flame retardant hot melt adhesive z. B. a modified by incorporation of chain links of the formula (I) indicated polyethylene terephthalate in the laminate according to the invention.
  • the filaments or staple fibers making up the nonwovens can have a practically round cross section or can also have other shapes, such as dumbbell, kidney-shaped, triangular or tri or multilobal cross sections. Hollow fibers can also be used. Furthermore, the hot-melt adhesive fiber can also be used in the form of bi- or multicomponent fibers.
  • the fibers forming the textile fabric can be modified by conventional additives, for example by antistatic agents such as carbon black.
  • the hybrid yarns can consist of reinforcing and binding fibers from the same or different chemical classes.
  • the reinforcing fiber can be constructed from individual filaments that have an initial modulus of more than 50 GPa, and the binding fiber can be constructed from individual filaments made of deep-melting thermoplastic material.
  • Preferred reinforcing fibers in this embodiment consist of glass, carbon or aramid.
  • the individual filaments of the reinforcing fibers have an initial modulus of more than 10 GPa.
  • Reinforcing fibers for this embodiment consist, for example, of polyphenylene sulfide (PPS), polyether ether ketone (PEEK) or polyether imide (PEI).
  • Preferred reinforcing fibers for this embodiment are high-strength and low-shrink polyester fibers.
  • Binder fibers in the reinforcing threads to be used according to the invention consist of thermoplastic polymer materials, the melting point of which lies below the thermoplastic material contained in the textile fabric.
  • polymer materials are preferably polyolefins or modified polyesters which have a lower melting point than the unmodified polyester.
  • polyolefins are polyethylene or polypropylene.
  • modified polyesters are the types of polybutylene terephthalate already mentioned, and polyethylene terephthalate modified by the condensation of longer-chain diols and / or isophthalic acid or aliphatic dicarboxylic acids.
  • the hybrid games are preferably produced from reinforcing and binding fibers of the first embodiment described above by means of a special warm intermingling process, which is described in EP-B-0,455,193.
  • the filaments are warmed up to near the softening point before swirling (approx. 600 ° C for glass).
  • the heating can be carried out by means of godets and / or heating pipes, while the low-melting thermoplastic individual filaments are fed to the superordinate intermingling nozzle without preheating.
  • This smooth hybrid game with a high thread closure is easily weave-compatible.
  • Suitable hybrid games include a. Game of type 68 tex glass / 420 dtex PET.
  • hybrid games of the second embodiment described above are produced using conventional swirling techniques, for example intermingling or commingling techniques.
  • the hybrid yarns are preferably used in the form of a scrim, which are also the subject of the present invention.
  • the hybrid yarns can have a wide range of maximum tensile strength expansions, for example from about 2.5 to 25%.
  • the titer of the hybrid yarns in the composite is advantageously 30 to 3000 dtex.
  • laid scrims are thread grids which are formed from parallel sets of threads lying at an angle to one another, the threads being fixed to one another at their crossing points and at least one set of threads containing hybrid yarns.
  • the threads are preferably fixed at their crossing points by melting or melting on the binding fibers, in particular without the use of further adhesives.
  • the threads are fixed at their crossing points by partially melting the binding fibers, so that the majority of the binding fibers retain their fiber shape. This embodiment allows the hot melt adhesive to be distributed as uniformly as possible when the composite is subsequently formed.
  • the angle at which the sheets of thread cross is usually between 10 ° and 90 °.
  • a clutch can of course contain more than just two sets of threads. The number and direction of the thread sheets depends on any special requirements.
  • Non-woven fabrics consist of two sets of threads crossing at an angle of preferably 90 °.
  • a particularly high mechanical stability in one direction e.g. B. the longitudinal direction of the layered fabric required, it is recommended to install a scrim that has a thread family in the longitudinal direction with a smaller thread spacing, the z. B. is stabilized by a transverse thread sheet or by two thread sheets that form with the first angle of approximately + 40 ° to + 70 ° or - 40 ° to - 70 °.
  • the composites according to the invention are usually produced by separate production of the individual layers, subsequent combination of these layers and subsequent adhesive bonding of the layer by heating, if appropriate using pressure, so that the low-melting thermoplastic filaments of the binding fibers melt or melt and adhere to the adjacent surface of the textile fabric made of fibers from synthetic polymers form a connection.
  • the composites according to the invention show no tendency to delamination and no formation of waves and cracks, even under high thermal mechanical stress.
  • bituminizers of the composites according to the invention show a surprisingly small increase in width compared to conventional webs.
  • the composites according to the invention can be used for the production of bituminized roofing and waterproofing membranes.
  • the carrier material is treated with bitumen in a manner known per se and then optionally sprinkled with a granular material, for example with sand.
  • the roofing and waterproofing membranes produced in this way are easy to process.
  • Spunbonding is carried out by means of spinning apparatus known per se.
  • the melted polymer is alternately fed with polymers, which form the carrier fiber and the hot-melt adhesive fibers, through a plurality of rows of spinnerets or groups of spinneret rows connected in series.
  • the spun polymer streams are stretched in a conventional manner and z. B. using a rotating baffle in scattering texture on a Conveyor belt put down.
  • the primary fleece produced in this way is then thermally pre-consolidated in a manner known per se by z. B. is treated in a pre-consolidation device with a hot roller, so that at least part of the hot melt adhesive fibers that may be present melts, whereby the primary fleece solidifies to the extent that it can be handled without the conveyor belt.
  • This type of pre-consolidation is e.g. B. described in DE-PS-3,322,936.
  • the scrim of yarns, which consists of hybrid yarn in at least one yarn direction, is then applied to the surface of the primary nonwoven obtained.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Nonwoven Fabrics (AREA)
  • Laminated Bodies (AREA)

Claims (28)

  1. Etoffe composite contenant d'une part au moins un objet textile plat fabriqué séparément à partir de fibres de polymères synthétiques et d'autre part un fil hybride combiné avec cet objet textile plat, qui est construit avec des fibres de renforcement et des fibres de liant à plus bas point de fusion.
  2. Etoffe composite selon la revendication 1, caractérisée en ce que l'objet textile plat est un non-tissé, en particulier un non-tissé filé à partir de filaments sans fin.
  3. Etoffe composite selon la revendication 1, caractérisée en ce que l'objet textile plat contient des fibres de polyester, en particulier des fibres de polytéréphtalate d'éthylène.
  4. Etoffe composite selon la revendication 1, caractérisée en ce que l'objet textile plat présente des caractéristiques ignifugeantes.
  5. Etoffe composite selon la revendication 1, caractérisée en ce que l'objet textile plat possède un grammage de 20 à 400 g/m2.
  6. Etoffe composite selon la revendication 1, caractérisée en ce que l'objet textile plat est un tissu non tissé renforcé par fusion de liant.
  7. Etoffe composite selon la revendication 1, caractérisée en ce que le fil hybride est constitué de filaments.
  8. Etoffe composite selon la revendication 1, caractérisée en ce que les filaments individuels des fibres de renforcement présentent un module de départ de plus de 50 GPa.
  9. Etoffe composite selon la revendication 8, caractérisée en ce que les fibres de renforcement contiennent des fibres de verre, de carbone et/ou d'aramide.
  10. Etoffe composite selon la revendication 1, caractérisée en ce que les fils hybrides sont constitués de matériaux polymères.
  11. Etoffe composite selon la revendication 10, caractérisée en ce que les fils hybrides sont constitués de polyester, en particulier de polytéréphtalate d'éthylène.
  12. Etoffe composite selon la revendication 11, caractérisée en ce que les fils hybrides de matériaux polymères sont constitués de la même classe de substances chimiques.
  13. Etoffe composite selon la revendication 1, caractérisée en ce que le fil hybride se présente sous la forme d'un fil de chaîne.
  14. Etoffe composite selon la revendication 1, caractérisée en ce que le fil hybride se présente sous la forme d'un treillis.
  15. Etoffe composite selon la revendication 1, caractérisée en ce que le fil hybride se présente sous la forme d'un tissu.
  16. Etoffe composite selon la revendication 13, caractérisée en ce que le fil de chaîne possède une densité de fils entre 0,5 et 10 fils par cm.
  17. Etoffe composite selon la revendication 14, caractérisée en ce que le treillis possède une densité de fils entre 0,5 et 10 fils par cm.
  18. Procédé pour la fabrication de l'étoffe composite selon la revendication 1, comprenant les procédures :
    a) préparation d'un objet textile plat d'une manière connue en soi ;
    b) introduction de fil hybride sur une surface de l'objet textile plat obtenue selon a),
    c) éventuellement introduction d'un autre objet textile plat que l'autre côté du fil hybride, et
    d) application d'une température et/ou d'une pression élevée, de manière à ce que le filament de liant à bas point de fusion du fil hybride couvre par fusion et qu'il se forme une couche de colle entre les objets plats et que l'étoffe composite réalise sa consolidation finale.
  19. Procédé selon la revendication 18, caractérisé en ce qu'on introduit les fils hybrides sous la forme d'un treillis qui contient au moins dans une direction des fils hybrides de fibres de renforcement et de liant.
  20. Procédé selon la revendication 19, caractérisé en ce que les fibres de liant sont partiellement fondues et renforcent le treillis aux points de croisement des fils de chaîne formant le treillis.
  21. Procédé selon la revendication 19, caractérisé en ce que les fibres de renforcement et de liant sont constituées de filaments.
  22. Procédé selon la revendication 21, caractérisé en ce que les filaments isolés des fibres de renforcement présentent un module de départ de plus de 50 GPa.
  23. Procédé selon la revendication 22, caractérisé en ce que les fibres de renforcement contiennent des fibres de verre, de carbone et/ou d'aramide.
  24. Procédé selon la revendication 19, caractérisé en ce que les fibres de renforcement sont constituées de matériaux polymères.
  25. Procédé selon la revendication 24, caractérisé en ce que les fibres de renforcement sont constituées de polyester, en particulier de polytéréphtalate d'éthylène.
  26. Procédé selon la revendication 25, caractérisé en ce que les fibres de renforcement et de liant sont constituées de matériaux polymères d'une même classe chimique de substances.
  27. Procédé selon la revendication 19, caractérisé en ce que le treillis possède une densité de fils entre 0,5 et 10 fils par cm.
  28. Utilisation de l'étoffe composite selon la revendication 1 pour la fabrication de bandes de couverture et d'étanchéité bitumées.
EP96112431A 1995-08-23 1996-08-01 Matériau textile laminé, procédé pour sa fabrication, son usage et nappe contenant des fils hybride Expired - Lifetime EP0761859B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19531001 1995-08-23
DE19531001A DE19531001A1 (de) 1995-08-23 1995-08-23 Textiler Verbundstoff, Verfahren zu dessen Herstellung, dessen Verwendung sowie Gelege enthaltend Mischgarne

Publications (2)

Publication Number Publication Date
EP0761859A1 EP0761859A1 (fr) 1997-03-12
EP0761859B1 true EP0761859B1 (fr) 2004-04-28

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EP96112431A Expired - Lifetime EP0761859B1 (fr) 1995-08-23 1996-08-01 Matériau textile laminé, procédé pour sa fabrication, son usage et nappe contenant des fils hybride

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Country Link
US (1) US5856243A (fr)
EP (1) EP0761859B1 (fr)
CA (1) CA2183947A1 (fr)
DE (2) DE19531001A1 (fr)

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EP0761859A1 (fr) 1997-03-12
DE59610999D1 (de) 2004-06-03
US5856243A (en) 1999-01-05
DE19531001A1 (de) 1997-02-27
CA2183947A1 (fr) 1997-02-24

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