EP0806510B1 - Matériau de garnissage, procédé pour sa fabrication et son utilisation - Google Patents

Matériau de garnissage, procédé pour sa fabrication et son utilisation Download PDF

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Publication number
EP0806510B1
EP0806510B1 EP97106879A EP97106879A EP0806510B1 EP 0806510 B1 EP0806510 B1 EP 0806510B1 EP 97106879 A EP97106879 A EP 97106879A EP 97106879 A EP97106879 A EP 97106879A EP 0806510 B1 EP0806510 B1 EP 0806510B1
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EP
European Patent Office
Prior art keywords
carrier
monofilaments
inlay
reinforcement
elongation
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
EP97106879A
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German (de)
English (en)
Other versions
EP0806510A1 (fr
Inventor
Werner Dr. Groh
Hans-Jürgen Profé
Michael Schöps
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Johns Manville
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Johns Manville International Inc
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Publication of EP0806510A1 publication Critical patent/EP0806510A1/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
    • D04H13/00—Other non-woven fabrics
    • 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
    • D04H3/10—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 yarns or filaments made mechanically
    • 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
    • D04H3/10—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 yarns or filaments made mechanically
    • D04H3/105—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 yarns or filaments made mechanically by needling
    • 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
    • D04H3/16—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 filaments produced in association with filament formation, e.g. immediately following extrusion
    • 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
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
    • 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
    • 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]
    • Y10T442/643—Including parallel strand or fiber material within the nonwoven fabric
    • 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]
    • Y10T442/643—Including parallel strand or fiber material within the nonwoven fabric
    • Y10T442/644—Parallel strand or fiber material is glass
    • 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]
    • Y10T442/643—Including parallel strand or fiber material within the nonwoven fabric
    • Y10T442/645—Parallel strand or fiber material is inorganic [e.g., rock wool, mineral wool, etc.]
    • 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]
    • Y10T442/681—Spun-bonded nonwoven fabric
    • 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]
    • Y10T442/696—Including strand or fiber material which is stated to have specific attributes [e.g., heat or fire resistance, chemical or solvent resistance, high absorption for aqueous compositions, water solubility, heat shrinkability, etc.]

Definitions

  • the invention relates to a carrier insert, which is particularly a carrier insert suitable for the production of roofing membranes or as a tarp or surface.
  • Carrier inserts for the production of roofing membranes must be diverse Requirements met. So on the one hand there is sufficient mechanical Stability required, such as good perforation strength and good tensile strength for example the mechanical loads during further processing, such as Bituminizing or laying to withstand. It will also be high Resistance to thermal stress, for example when bituminizing or against radiant heat, and resistance to flight fire demands. There has therefore been no shortage of attempts at existing carrier deposits to improve.
  • nonwovens based on synthetic fiber nonwovens Reinforcing fibers for example to combine with glass fibers.
  • sealing sheets can be found in GB-A-1,517,595, DE-Gbm-77-39,489, EP-A-160,609, EP-A-176-847, EP-A-403,403 and EP-A-530,769.
  • the connection between nonwoven and reinforcing fibers takes place according to this prior art either by gluing using a Binder or by needling the layers of different material.
  • DE-A-3,417,517 describes a textile interlining with anisotropic Properties and a method for its preparation are known.
  • the Interlining consists of a substrate that melts below 150 ° C Has surface, and associated melting over 180 ° C. Reinforcement filaments that are fixed on this surface parallel to each other are.
  • the substrate can be a Trade non-woven fabric, on one surface of which there are hot melt adhesive fibers or threads are located, which are used to produce an adhesive bond arranged in parallel Reinforcing fibers are provided with the nonwoven.
  • a filter material made of non-woven inorganic material and metal wires known for cleaning exhaust air at high temperatures (higher than 300 ° C) is used.
  • From DE-A-3,941,189 is a combination of reinforcing fibers in Form of a thread chain with nonwovens based on synthetic fibers known that can be connected to each other in various ways.
  • a preferred connection technique is needling. With needling there is a risk of damage or breakage of the reinforcement threads.
  • This task uses monofilaments with a diameter larger than is the notch protrusion of the needles.
  • the reinforcement according to the invention Monofilament leads to particularly low stretch reserve values; this Monofilaments or fabrics made from them can be characterized by their Feed the stiffness in a particularly well-oriented manner and into the carrier insert install. Unlike multifilaments, they always work across their entire length Cross-section bearing.
  • the diameter of the monofilaments is preferably larger than that Sum of notch protrusion and notch depth of the needles. Usually is the diameter of the monofilaments used at least 0.1 mm.
  • the present invention relates to a carrier insert containing a textile fabric and a reinforcement, characterized in that the Reinforcement contains monofilaments with a diameter of at least 0.1 mm and absorb a force, so that the force-strain diagram (at 20 ° C) the reference force of the carrier insert with reinforcement compared to the carrier insert without reinforcement in the range between 0 and 1% elongation in at least one place differs at least 10%, and the monofilaments or fabrics made from them oriented and energized and built into the carrier insert.
  • the diameter is preferably between 0.1-1 mm, particularly preferably 0.1-0.5 mm, and particularly preferably 0.1-0.3 mm.
  • Such carrier inserts can absorb a force, so that the force-strain diagram (at 20 ° C) with the reference force of the carrier insert Reinforcement compared to the carrier insert without reinforcement in the area between 0 and 1% elongation in at least one place by at least 10%, preferably by at least 20%, particularly preferably by at least 30 %, differs.
  • textile fabric is used in the context of this description to understand the broadest meaning. It can be made up of all structures Fibers made from synthesized polymers act after a surface-forming Technology have been produced.
  • notch depth and notch protrusion are in a brochure with the Description "felting and structuring needles” from Groz-Beckert from the Year defined in 1994.
  • the reference force is measured according to EN 29073, part 3, at 5 cm wide Samples at 100 mm measuring length.
  • the numerical value of the preload, specified in Centinewton corresponds to the numerical value of the mass per unit area of the sample, stated in grams per square meter.
  • textile fabrics are fabrics, scrims, knitted fabrics and Knitted fabrics, and preferably nonwovens.
  • spunbonds which are created by a tangle of freshly melt-spun Filaments are generated, preferred. They consist of endless synthetic fibers made of melt-spinnable polymer materials.
  • Suitable polymer materials are for example polyamides, e.g. Polyhexamethylene diadipamide, Polycaprolactam, aromatic or partially aromatic polyamides ("aramids"), aliphatic polyamides, e.g. Nylon, partially aromatic or fully aromatic Polyester, polyphenylene sulfide (PPS), polymers with ether and keto groups, such as e.g. Polyether ketones (PEK) and poly ether ketones (PEEK), or Polybenzimidazoles.
  • PEK Polyether ketones
  • PEEK poly ether ketones
  • the spunbonded fabrics preferably consist of melt-spinnable polyesters.
  • polyester materials are all suitable for fiber production known types into consideration.
  • Such polyesters mainly consist of Building blocks that differ from aromatic dicarboxylic acids and from aliphatic Derive diols.
  • Common aromatic dicarboxylic acid building blocks are the divalent residues of benzenedicarboxylic acids, especially the Terephthalic acid and isophthalic acid; common diols have 2 to 4 carbon atoms, the ethylene glycol being particularly suitable.
  • Spunbonded fabrics which consist of at least 85 mol% of polyethylene terephthalate.
  • dicarboxylic acid units and Glycol units which act as so-called modifiers and which it allow the person skilled in the art to control the physical and chemical properties of the to influence the filaments produced.
  • Dicarboxylic acid units are residues of isophthalic acid or aliphatic Dicarboxylic acid such as Glutaric acid, adipic acid, sebacic acid;
  • examples for modifying diol residues are those of longer-chain diols, e.g. B. of propanediol or butanediol, of di- or triethylene glycol or, if in small amount available, of polyglycol with a molecular weight of approx. 500 until 2000.
  • Polyesters are particularly preferred which contain at least 95 mol% Contain polyethylene terephthalate (PET), especially those made of unmodified PET.
  • PET polyethylene terephthalate
  • flame retardant modified polyesters are known. They contain additions from Halogen compounds, especially bromine compounds, or what particularly is advantageous, they contain phosphorus compounds that are in the polyester chain are condensed.
  • the spunbonded fabrics particularly preferably contain flame-retardant modified polyesters which in the chain contain assemblies of the formula (I) wherein R is alkylene or polymethylene with 2 to 6 carbon atoms or phenyl and R 1 is alkyl with 1 to 6 carbon atoms, aryl or aralkyl, contained in condensed form.
  • R is preferably ethylene and R 1 is methyl, ethyl, phenyl, or o-, m- or p-methylphenyl, in particular methyl.
  • Such spunbonded fabrics are described, for example, in DE-A-39 40 713.
  • the polyesters contained in the spunbonded fabrics preferably have a Molecular weight corresponding to an intrinsic viscosity (IV), measured in a solution of 1 g polymer in 100 ml dichloroacetic acid at 25 ° C, of 0.6 to 1.4.
  • IV intrinsic viscosity
  • the individual titer of the polyester filaments in the spunbonded fabric is between 1 and 16 dtex, preferably 2 to 8 dtex.
  • the spunbond can also be a be melt-bond-bonded nonwoven, which carrier and Contains hot melt adhesive fibers.
  • the carrier and hot melt adhesive fibers can be derived from any thermoplastic thread-forming polymer.
  • Carrier fibers can also differ from non-melting ones derive thread-forming polymers.
  • Such solidified melt binders Spunbonded fabrics are described, for example, in EP-A-0,446,822 and EP-A-0,590,629 described.
  • 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 terephthalamide) or copolymers containing a portion on aromatic m-diamine units to improve solubility or poly (m-phenylene isophthalamide), essentially aromatic polyesters, such as poly (p-hydroxybenzoate) or preferably essentially aliphatic polyesters such as Polyethylene terephthalate.
  • polyolefins such as polyethylene
  • essentially aliphatic Polyamides such as nylon 6.6
  • aromatic polyamides such as poly (p-phenylene terephthalamide) or copolymers containing a portion on aromatic m-diamine units to improve solubility or poly (m-phenylene isophthalamide)
  • essentially aromatic polyesters such as poly (p-hydroxybenzoate) or preferably
  • the proportion of the two types of fibers to each other can be selected within wide limits be, taking care that the proportion of hot melt adhesive fibers so high is chosen that the nonwoven fabric by gluing the carrier fibers with the hot melt adhesive fibers are sufficient for the desired application Maintains firmness.
  • the proportion of that comes from the hot melt adhesive fiber Hot melt adhesive in the nonwoven fabric is usually less than 50% by weight, based on the weight of the nonwoven.
  • Modified polyesters come with a hot melt adhesive compared to the nonwoven raw material by 10 to 50 ° C, preferably 30 to 50 ° C lowered melting point into consideration.
  • Hot melt adhesives are polypropylene, polybutylene terephthalate or through Condensing 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 from one polymer class are preferred built up. This means that all the fibers used are made from one Substance class should be selected so that after using the fleece can be easily recycled.
  • the carrier fibers for example made of polyester
  • the hot melt adhesive fibers are also made of polyester or from a mixture of polyesters, e.g. B. as bicomponent fiber with PET in Core and a lower melting polyethylene terephthalate copolymer selected as a sheath:
  • bicomponent fibers are also included possible, which are made up of different polymers. Examples of this are bicomponent fibers made of polyester and polyamide (core / shell).
  • the single fiber titers of the carrier and hot melt adhesive fibers can be within further limits can be chosen. Examples of common titer ranges are 1 to 16 dtex, preferably 2 to 6 dtex.
  • the carrier inserts according to the invention with flame retardant Properties additionally bound they preferably contain flame retardant hot melt adhesive.
  • the filaments or staple fibers that make up the nonwovens can be one have practically round cross-section or have other shapes, such as dumbbell, kidney-shaped, triangular, tri or multilobal cross-sections. It hollow fibers can also be used. Furthermore, the hot melt adhesive fiber can also be used in Use the form of bicomponent or multicomponent fibers.
  • the fibers forming the textile fabric can be made using conventional additives be modified, for example by antistatic agents such as carbon black.
  • the weight per unit area of the spunbonded fabric is between 20 and 500 g / m 2 , preferably 40 and 250 g / m 2 .
  • the reinforcement used in the carrier insert according to the invention is such that it is already stretched in the range of 0 to 1% (at Ambient temperature 20 ° C) absorbs and dissipates a force, so that the Reference force in the force-elongation diagram (KD diagram) versus the unreinforced carrier insert by at least 10%, preferably by at least 20%, particularly preferably increased by at least 30%.
  • the reinforcement is such that the reference force of the carrier insert at room temperature (20 ° C) divided by the reference force of the carrier insert at 180 °, measured at at least one point in the range between 0 and 1 % Elongation, a quotient of at most 3 (three), preferably at most 2.5, particularly preferably less than 2, results.
  • the above properties are obtained by monofilaments whose Young's modulus at least 5 Gpa, preferably at least 10 Gpa, especially preferably at least 20 Gpa.
  • the above Monofilaments have a diameter between 0.1 and 1 mm, preferably 0.1 and 0.5 mm, in particular 0.1 and 0.3 mm and have one Elongation at break from 0.5 to 100%, preferably 1 to 60%.
  • the carrier inserts according to the invention advantageously have an expansion reserve of less than 1%.
  • the stretch reserve refers to the stretch on the carrier insert acts before the force acting on the monofilaments is dissipated, i.e. an expansion reserve of 0% would mean that on the carrier insert tensile forces acting on the monofilaments would be derived immediately. This means that forces acting on the spunbonded web are not just one Rather, the alignment or orientation of the monofilaments does are derived directly from the monofilaments, so that damage to the textile fabric can be avoided. This is particularly evident in a steep increase in the force to be applied with small strains (Force-strain diagram at room temperature).
  • the Maximum tensile strength expansion of the carrier insert can be significantly improved.
  • high-strength monofilaments made of polyester or are suitable Wires made of metals or metallic alloys and their elongation at break is at least 10%.
  • Monofilaments based on aramids are preferred so-called high-modulus aramids, high-strength polyester monofilaments and particularly preferred monofilament wires made of metals or metallic Alloys used.
  • preferred reinforcements consist of metal monofilaments in the form of parallel thread sheets, scrims or fabrics, which may also contain other monofilaments or multifilaments.
  • nonwovens are only reinforced in the longitudinal direction parallel thread groups.
  • the reinforcement by monofilaments according to the invention leads to particularly low levels Values of the expansion reserve; these monofilaments or those made from them Flat structures can be oriented particularly well due to their inherent rigidity feed and install in the carrier insert. Work differently than multifilaments always supporting them across their entire cross-section.
  • the monofilaments are preferably formed during spunbond formation fed and thus embedded in the spunbond.
  • the thread density can be in Depending on the desired property profile within wide limits vary.
  • the thread density is preferably between 20 and 200 threads per Meter.
  • the thread density is measured perpendicular to the thread running direction.
  • the spunbonded nonwovens are usually subjected to chemical or thermal and / or mechanical consolidation in a known manner.
  • the spunbonded fabrics are preferably mechanically consolidated by needling.
  • the spunbonded fabric which advantageously already contains the monofilaments, is usually needled with a needle density of 20 to 100 stitches / cm 2 .
  • the needling is carried out according to the invention by needles whose notch protrusion, preferably the sum of notch protrusion and notch depth, is smaller than the diameter of the monofilaments. This will not damage the monofilaments.
  • the spunbonded webs are then subjected to further consolidation steps, for example a thermal treatment.
  • the spunbonded nonwovens which can be bonded with melt binders and which also contain binder fibers in addition to carrier fibers, are thermally bonded in a manner known per se with a calender or in an oven. If the spunbonded fabrics do not contain any binding fibers capable of thermal consolidation, these spunbonded fabrics are impregnated with a chemical binder. Acrylic binders are particularly suitable for this. The proportion of binder is expediently up to 30% by weight, preferably 2 to 25% by weight. The exact choice of the binder is based on the special interests of the processor. Hard binders allow high processing speeds with impregnation, especially bituminization, while a soft binder gives particularly high values of tear and nail tear resistance.
  • flame-retardant modified can also Binder can be used.
  • the carrier web according to the invention has an embossing pattern of statistically distributed or repeat-arranged, small-area embossments, preferably a canvas embossing, in which the pressing surface, that is to say the totality of all thin, compacted areas of the spunbonded nonwoven, 30 to 60%, preferably 40 to 45 % of its total area, and the thickness of the compacted areas of the fleece is at least 20%, preferably 25 to 50%, of the thickness of the non-compacted areas of the fleece.
  • this embossing pattern can advantageously be applied during calender bonding.
  • the embossing pattern can also be embossed using a calender.
  • This embossed pattern which is applied to both surfaces of the spunbonded fabric, but preferably only to one surface of the spunbonded fabric, when it passes through the spunbonded fabric, has a large number of small embossments which have a size of 0.2 to 40 mm 2 , preferably 0 , 2 to 10 mm 2 , and are separated from one another by interposed, approximately the same size, non-embossed surface elements of the fleece.
  • the area of the compacted areas of the nonwoven and the non-compacted areas of the nonwoven can be determined, for example, by means of microscopic cross-sectional images.
  • the carrier inlays according to the invention can be combined with other textiles Fabrics are combined so that their properties are variable.
  • Composites of this type which contain the carrier insert according to the invention, are also the subject of the invention.
  • the supply of reinforcement from monofilaments can be made before, during and / or after the formation of the textile surface.
  • the process is characterized by the feeding of the monofilaments under tension oriented for the alignment of the monofilaments and any thermal treatment in the Manufacturing process of the carrier insert under tension, in particular under 'Longitudinal tension.
  • Thermal treatment under tension is present when the situation remains as monofilaments in the carrier insert during a thermal step; in particular, the preservation of the longitudinal threads by applying a longitudinal tension of interest.
  • the formation of the textile fabric can be stretched on one incoming monofilaments or the monofilaments can be made during the Area formation process, e.g. B. in the manufacture of nonwovens, run or it can a textile fabric can be finished and by subsequent Assembling associated with reinforcement in the form of monofilaments become.
  • the combination of the textile fabric with the reinforcement can by measures known per se, for example by needles or Gluing including hot melt gluing. The advantages of the process are evident especially in the production of needled carrier inserts.
  • the production of a textile fabric described according to a) can by spunbond formation by means of spinning apparatus known per se.
  • the molten polymer is replaced by several in a row switched rows of spinnerets or groups of spinneret rows with Polymers. Should produce a spunbond bond bonded with melt binder are so alternately loaded with polymers that the carrier fiber and form the hot melt adhesive fibers.
  • the spun polymer streams are in stretched in a known manner, and z. B. using a rotating impact plate in scattered texture deposited on a conveyor belt.
  • a fleece deposit on the reinforcement or one is also preferred subsequent layer formation from reinforcement and nonwoven through Assemble.
  • the invention Carrier inlays with other components to multilayer Composites can be combined.
  • other components are Glass fleeces, thermoplastic or metallic foils, insulation materials, etc.
  • the carrier inserts according to the invention can be used to produce Use bituminized roofing and waterproofing membranes.
  • the carrier material is in itself treated in a known manner with bitumen and then optionally with a granular material, such as sand, sprinkled. That way roofing and waterproofing membranes are characterized by good Processability.
  • the bituminized sheets contain at least one in a bitumen matrix embedded - described above - carrier web, wherein the percentage by weight of bitumen in the basis weight of the bituminized roofing membrane preferably 40 to 90% by weight and that of the spunbond nonwoven 10 to 60 % By weight.
  • These trains can also be a so-called Act roofing membrane.
  • bitumen instead of bitumen, another material, e.g. Polyethylene or Polyvinyl chloride for coating the carrier insert according to the invention be used.
  • PET threads with a filament titer of 4 dtex are produced and laid down to a tangled fleece of 2 m width.
  • steel wires are continuously fed at a distance of 2 cm (50 wires / m) in the longitudinal direction.
  • the wires manufactured by Bekaert
  • the wires are supplied on spools and have a diameter of 0.18 mm, a strength of 2300 N / mm 2 and an elongation at break of 1.5%.
  • the nonwoven / wire bond is needled with 40 stitches / cm 2 at a penetration depth of 12.5 mm (needle type from Foster, 15x18x38x3 CB) and then impregnated with an acrylate binder, the weight proportion of which in the finished nonwoven is 20%.
  • the binder is cured in a screen drum oven at 210 ° C. This gives a reinforced fleece of 190 g / m 2 basis weight.
  • PET threads with a filament titer of 4 dtex are produced and laid down to a tangled fleece of 1 m in width.
  • steel wires material no. 1.4301
  • the wires are supplied on spools and have a diameter of 0.15 mm, a strength of 14 N and an elongation at break of 34%.
  • the nonwoven / wire bond is needled with 40 stitches / cm 2 at a penetration depth of 12.5 mm (needle type from Foster, 15x18x38x3 CB) and then impregnated with an acrylate binder, the weight proportion of which in the finished nonwoven is 20%.
  • the binder is cured in a screen drum oven at 210 ° C.
  • a reinforced fleece of 165 g / m 2 basis weight is obtained in this way.
  • PET threads with a filament titer of 4 dtex are produced and laid down to a tangled fleece of 2 m width.
  • wires consisting of an alloy of the CuZn37 type are continuously fed in at a distance of 2 cm (50 wires / m).
  • the wires (manufacturer JG Dahmen) are supplied on spools and have a diameter of 0.25 mm, a strength of 47 N and an elongation at break of 1.4%.
  • the composite fleece / wires is needled with 40 stitches / cm 2 at a penetration depth of 12.5 mm (needle type from Foster, 15x18x38x3 CB) and then impregnated with an acrylic binder, the weight proportion of which in the finished fleece is 20%.
  • the binder is cured in a screen drum oven at 210 ° C.
  • a reinforced fleece of 192 g / m 2 basis weight is obtained in this way.
  • PET threads with a filament titer of 4 dtex are produced and laid down to a tangled fleece of 2 m width.
  • wires consisting of an alloy of the CuSn6 type are continuously fed in at a distance of 1.2 cm (83 wires / m).
  • the wires (manufacturer JG Dahmen) are supplied on spools and have a diameter of 0.25 mm, a strength of 21 N and an elongation at break of 54%.
  • the composite fleece / wires is needled with 40 stitches / cm 2 at a penetration depth of 12.5 mm (needle type from Foster, 15x18x38x3 CB) and then impregnated with an acrylic binder, the weight proportion of which in the finished fleece is 20%.
  • the binder is cured in a screen drum oven at 210 ° C.
  • a reinforced fleece of 165 g / m 2 basis weight is obtained in this way.
  • PET threads with a filament titer of 4 dtex are produced and laid down to a tangled fleece of 2 m width.
  • wires consisting of a type CUZn37 alloy are continuously fed in at a distance of 2 cm (50 wires / m).
  • the wires (manufacturer JG Dahmen) are supplied on spools and have a diameter of 0.25 mm, a strength of 25 N and an elongation at break of 15%.
  • the composite fleece / wires is needled with 40 stitches / cm 2 at a penetration depth of 12.5 mm (needle type from Foster, 15x18x38x3 CB) and then impregnated with an acrylic binder, the weight proportion of which in the finished fleece is 20%.
  • the binder is cured in a screen drum oven at 210 ° C.
  • a reinforced fleece of 160 g / m 2 basis weight is obtained in this way.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Nonwoven Fabrics (AREA)
  • Synthetic Leather, Interior Materials Or Flexible Sheet Materials (AREA)
  • Laminated Bodies (AREA)
  • Artificial Filaments (AREA)

Claims (27)

  1. Pièce rapportée de support contenant un produit plat en textile et un renforcement, caractérisé en ce que le renforcement, contient des monofilaments dont le diamètre s'élève à au moins 0,1 mm et qui absorbe une force telle que, dans le diagramme de force - allongement (à 20 °C), la force de référence de la pièce rapportée de support avec le renforcement comparée à celle de la pièce rapportée exempte de renforcement dans le domaine d'un allongement entre 0 et 1 %, se différencie à au moins un endroit à concurrence d'au moins 10 %, et les monofils ou les produits plats fabriqués à partir des premiers cités sont alimentés à l'état orienté et sous tension, et sont incorporés dans la pièce rapportée de support.
  2. Bande de support selon la revendication 1, caractérisée en ce que les monofilaments possèdent un diamètre de 0,1 à 0,5 mm.
  3. Bande de support selon la revendication 1, caractérisée en ce que les monofilaments possèdent un diamètre de 0,1 à 0,3 mm.
  4. Pièce rapportée de support selon la revendication 3, caractérisée en ce que dans le diagramme de force - allongement (à 20 °C), la force de référence de la pièce rapportée de support avec le renforcement comparée à celle de la pièce rapportée exempte de renforcement dans le domaine d'un allongement entre 0 et 1 %, se différencie à au moins un endroit à concurrence d'au moins 20 %.
  5. Pièce rapportée de support selon la revendication 4, caractérisée en ce que dans le diagramme de force - allongement (à 20 °C), la force de référence de la pièce rapportée de support avec le renforcement comparée à celle de la pièce rapportée exempte de renforcement dans le domaine d'un allongement entre 0 et 1 %, se différencie à au moins un endroit à concurrence d'au moins 30 %.
  6. Pièce rapportée de support selon l'une quelconque des revendications 1 à 3, caractérisée en ce que la force de référence de la pièce rapportée de support à la température ambiante (20° C) divisée par la force de référence de la pièce rapportée de support à 180 °C, mesurée à au moins un endroit dans le domaine d'un allongement entre 0 et 1 %, procure un quotient maximal égal à 3.
  7. Bande de support selon la revendication 1, caractérisée en ce que le produit plat en textile est un non-tissé, de préférence constitué de polyester.
  8. Bande de support selon la revendication 7, caractérisée en ce que le non-tissé est renforcé par voie mécanique, par voie thermique et/ou par voie chimique.
  9. Bande de support selon la revendication 8, caractérisée en ce que le non-tissé est renforcé par voie mécanique par aiguilletage, la projection d'entaille, de préférence la somme de la prjection d'entaille et de la profondeur d'entaille, des aiguilles étant inférieure au diamètre des monofilaments.
  10. Bande de support selon la revendication 7, caractérisée en ce que le polyester est constitué de polyéthylène téréphtalate jusqu'à concurrence d'au moins 85 moles %.
  11. Bande de support selon la revendication 7, caractérisée en ce que le non-tissé est un non-tissé renforcé avec un liant thermofusible.
  12. Bande de support selon la revendication 7, caractérisée en ce que le non-tissé est renforcé avec un liant chimique.
  13. Bande de support selon la revendication 1, caractérisée en ce que le poids surfacique du produit plat en textile s'élève entre 20 et 500 g/m2.
  14. Bande de support selon la revendication 1, caractérisée en ce que les monofilament présentent un module de Young d'au moins 5 GPa.
  15. Bande de support selon la revendication 1, caractérisée en ce que les monofilaments présentent un allongement à la rupture de 0,5 à 100 %.
  16. Bande de support selon la revendication 1, caractérisée en ce que les monofilaments présentent une réserve d'allongement inférieure à 1 %.
  17. Bande de support selon la revendication 15, caractérisée en ce que les monofilaments sont constitués par des aramides à module élevé, par des monofilaments en polyester à résistance élevée, ainsi que par des fils à monofilaments constitués par des métaux ou des alliages métalliques.
  18. Bande de support selon la revendication 7, caractérisée en ce que le non-tissé en polyester présente un modèle d'estampage.
  19. Procédé pour la fabrication de la pièce rapportée de support définie à la revendication 1, comprenant les mesures connues en soi de :
    a) formation d'un produit plat textile
    b) alimentation des monofilaments,
    c) le cas échéant, alimentation d'un produit plat en textile supplémentaire, de telle sorte que les monofilaments soient entourés par des produits plats en textile à la manière d'un sandwich,
    d) renforcement de la pièce rapportée de support obtenue conformément à la mesure c),
    e) le cas échéant, imprégnation de la pièce rapportée de support renforcée avec un liant,
    f) le cas échéant, renforcement du produit intermédiaire obtenu selon d) à l'aide d'une température et/ou d'une pression élevées, la succession des étapes a) et b) pouvant être inversée, caractérisé en ce que l'alimentation des monofilaments a lieu sous tension à l'état orienté dans le sens d'un alignement des monofilaments et chaque traitement thermique dans le procédé de fabrication de la pièce rapportée de support a lieu sous tension, de préférence sous une tension s'exerçant en direction longitudinale.
  20. Procédé selon la revendication 19, caractérisé en ce que la formation du produit plat en textile a lieu sur des monofilaments alimentés à l'état tendu.
  21. Procédé selon la revendication 19, caractérisé en ce que l'alimentation des monofilaments a lieu au cours du processus de formation du produit plat en textile.
  22. Procédé selon la revendication 19, caractérisé en ce qu'on assemble au moins un produit plat en textile prêt à l'emploi et au moins un renforcement sous la forme de monofilaments et on procède à la liaison par aiguilletage et/ou par collage.
  23. Procédé selon la revendication 19, caractérisé en ce que le renforcement selon la mesure d) a lieu par aiguilletage dans lequel la projection d'entaille, de préférence la somme de la projection d'entaille et de la profondeur d'entaille, des aiguilles est inférieure au diamètre des monofilaments, ou encore par collage.
  24. Utilisation de la pièce rapportée de support définie à la revendication 1 dans la fabrication de non-tissés, en particulier de bandes pour des toitures et de bandes d'étanchéisation.
  25. Utilisation de la pièce rapportée de support définie à la revendication 1 dans la fabrication de non-tissés, en particulier de bandes bitumées pour toitures et de bandes d'étanchéisation bitumées.
  26. Composite contenant une pièce rapportée de support définie à la revendication 1.
  27. Bande pour toitures et bande d'étanchéisation contenant une pièce rapportée de support définie à la revendication 1.
EP97106879A 1996-05-10 1997-04-25 Matériau de garnissage, procédé pour sa fabrication et son utilisation Expired - Lifetime EP0806510B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19620361 1996-05-10
DE19620361A DE19620361C5 (de) 1996-05-10 1996-05-10 Trägereinlage und deren Verwendung

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EP0806510A1 EP0806510A1 (fr) 1997-11-12
EP0806510B1 true EP0806510B1 (fr) 2001-12-05

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US (2) US6110572A (fr)
EP (1) EP0806510B1 (fr)
JP (1) JPH1053949A (fr)
KR (1) KR970075018A (fr)
CA (1) CA2204968A1 (fr)
DE (2) DE19620361C5 (fr)

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DE102006060241A1 (de) * 2006-12-20 2008-06-26 Johns Manville Europe Gmbh Trägereinlage, Verfahren zu deren Herstellung und deren Verwendung
DE202006021073U1 (de) 2006-12-20 2012-04-30 Johns Manville Europe Gmbh Trägereinlage und deren Verwendung
US20080233825A1 (en) * 2007-03-21 2008-09-25 Mohamed Walid Gamaleldin Articles Including High Modulus Fibrous Material
DE202008010258U1 (de) 2008-07-30 2008-10-30 Johns Manville, Denver Trägereinlage und beschichtete Dachbahnen
DE102009005587A1 (de) 2009-01-21 2010-07-22 Johns Manville Europe Gmbh Verfahren zur Qualitätssicherung von verstärkten flächigen Gebilden
US8850719B2 (en) 2009-02-06 2014-10-07 Nike, Inc. Layered thermoplastic non-woven textile elements
US9682512B2 (en) 2009-02-06 2017-06-20 Nike, Inc. Methods of joining textiles and other elements incorporating a thermoplastic polymer material
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US8906275B2 (en) 2012-05-29 2014-12-09 Nike, Inc. Textured elements incorporating non-woven textile materials and methods for manufacturing the textured elements
DE102010007939A1 (de) 2010-02-12 2011-08-18 Johns Manville Europe GmbH, 86399 Vorkonfektionierte Trägereinlage und beschichtete Dachbahnen
US20130255103A1 (en) 2012-04-03 2013-10-03 Nike, Inc. Apparel And Other Products Incorporating A Thermoplastic Polymer Material
EP2679713A1 (fr) * 2012-06-26 2014-01-01 O.R.V. Ovattificio Resinatura Valpadana S.p.a. Support en textile non tissé renforcé avec des fils et procédé de fabrication d'un tel support
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CA2204968A1 (fr) 1997-11-10
US6110572A (en) 2000-08-29
KR970075018A (ko) 1997-12-10
DE19620361A1 (de) 1997-11-13
DE19620361C5 (de) 2004-01-15
EP0806510A1 (fr) 1997-11-12
DE59705614D1 (de) 2002-01-17
DE19620361C2 (de) 1998-09-10
JPH1053949A (ja) 1998-02-24
US6045645A (en) 2000-04-04

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