EP0939837A1 - Fiber composite, the use and a method for a production thereof - Google Patents

Fiber composite, the use and a method for a production thereof

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Publication number
EP0939837A1
EP0939837A1 EP97952798A EP97952798A EP0939837A1 EP 0939837 A1 EP0939837 A1 EP 0939837A1 EP 97952798 A EP97952798 A EP 97952798A EP 97952798 A EP97952798 A EP 97952798A EP 0939837 A1 EP0939837 A1 EP 0939837A1
Authority
EP
European Patent Office
Prior art keywords
fibers
fiber composite
foamed
areas
blowing agent
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.)
Granted
Application number
EP97952798A
Other languages
German (de)
French (fr)
Other versions
EP0939837B1 (en
Inventor
Maik Ziegler
Rudolf Emmerich
Lars Ziegler
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fraunhofer Gesellschaft zur Forderung der Angewandten Forschung eV
Original Assignee
Fraunhofer Gesellschaft zur Forderung der Angewandten Forschung eV
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Publication of EP0939837A1 publication Critical patent/EP0939837A1/en
Application granted granted Critical
Publication of EP0939837B1 publication Critical patent/EP0939837B1/en
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Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00—Formation of filaments, threads, or the like
    • D01D5/24—Formation of filaments, threads, or the like with a hollow structure; Spinnerette packs therefor
    • D01D5/247—Discontinuous hollow structure or microporous structure
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B1/00—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
    • D04B1/14—Other fabrics or articles characterised primarily by the use of particular thread materials
    • D04B1/16—Other fabrics or articles characterised primarily by the use of particular thread materials synthetic threads
    • 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
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
    • 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
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
    • D04H1/4374—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece using different kinds of webs, e.g. by layering webs
    • 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
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/58—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by applying, incorporating or activating chemical or thermoplastic bonding agents, e.g. adhesives

Definitions

  • the invention relates to a fiber composite that has fibers made of chemically or physically foamable polymers, and to the use of such a fiber composite and method for its production.
  • Polymer fibers are produced by spinning or extrusion and are mainly used for the production of sutures, textiles, but also for a variety of technical goods. They are generally processed into fiber composites, such as fabrics, knitted fabrics, knitted fabrics or scrims, from which in turn textile materials for clothing, laundry or covering materials, filter cloths, screen fabrics, packaging envelopes, laminations and the like are produced. Furthermore are
  • Fiber composites made from mixed fibers are known, e.g. from polymer and natural fibers in textile technology or from polymer fibers on the one hand and metal, carbon or mineral fibers on the other hand for technical purposes.
  • the surface is structured to create plump fibers.
  • the invention is based on the object of using the positive properties of foamed fibers only where they are required on the finished fiber composite or the end product to be produced therefrom.
  • a fiber composite designed according to the invention is therefore characterized in that the fibers of the fiber composite are only foamed after their production and only in predetermined areas of the fiber composite.
  • preliminary products or end products can be produced which have foamed fibers only in those areas in which the properties produced by the foaming, such as cushioning effect, shock absorption capacity, compressibility, insulation capacity or the like , are desired, but in all other areas have properties such as those of a conventional fiber composite, for example in the form of a woven fabric, knitted fabric or knitted fabric or scrim.
  • the fiber composite can comprise, for example, fibers made of polymers mixed with a blowing agent and fibers made of blowing agent-free polymers, the latter mainly consisting of those polymers which determine the desired properties of the end product in the non-foamed areas.
  • a blowing agent and fibers made of blowing agent-free polymers, the latter mainly consisting of those polymers which determine the desired properties of the end product in the non-foamed areas.
  • it can also be natural fibers, metal or carbon fibers that are suitable for technical purposes of the fiber composite.
  • the fiber composite can consist of several layers of fibers, of which at least one outer layer has fibers free from blowing agent, while the fibers containing blowing agent are foamed at least one further layer.
  • material composites can be produced from textile and foamed structures, as is desirable, for example, in the case of upholstery materials with a textile surface structure on a foamed carrier.
  • Such a fiber composite can at least also have a further intermediate layer made of non-foamed fibers, which acts as a stabilizing insert with possibly increased tensile strength.
  • the fiber composite according to the invention can be used, for example, as a textile material for special items of clothing.
  • Protective work clothing, To name sports and winter sports clothing in that the fibers of the fiber composite are foamed in those areas of the item of clothing where cushioning and / or insulating properties are desired. These areas can be foamed either on the cut for the item of clothing or on the finished item of clothing by local chemical or physical treatment.
  • Such a fiber composite can be used to produce partially foamed molded articles.
  • Such moldings can be used as upholstered bodies in seating or reclining furniture, car seats, interior trim parts of motor vehicles, etc.
  • closed-cell structures will be provided if the fiber composite is to be water-repellent. This water-repellent property is further supported by the fact that the fibers lie close together in the foamed areas, while the fiber composite has the conventional property of the fibers forming it in the other areas. In this way, diffusion-tight and diffusion-open areas can be realized.
  • fibers which at least partially consist of physically or chemically foamable polymers are combined to form a bonded or loose composite, for example a woven, knitted fabric, knitted fabric or scrim, and the fiber composite obtained is chemically or physically subdivided in predetermined areas Foaming the polymer fibers in these areas.
  • the fiber composite comprising these fibers is foamed in the specified areas by thermal energy. This can preferably be done by means of microwave energy, which on the one hand can be precisely metered and, on the other hand, above all can be localized precisely.
  • fibers made of a non-diffusion-tight polymer can also be used, in which case a fluid, e.g. a liquid or a gas, introduced by pressure diffusion and the penetrated fluid is expanded by abrupt reduction of the pressure.
  • a fluid e.g. a liquid or a gas
  • This method has the advantage that no residual chemicals remain in the fiber and the polymer has the same chemical properties in the foamed and non-foamed areas.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)
  • Materials For Medical Uses (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
  • Multicomponent Fibers (AREA)
  • Laminated Bodies (AREA)
  • Nonwoven Fabrics (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)

Abstract

The invention relates to a fiber composite comprising at least partially chemically and physically foamable fibers, which are only foamed after production of said fiber composite in specific areas. Such a fiber composite can be used as textile material for garments with insulating or padding properties in given areas or for technical molded bodies which should comprise a textile structure acting as a padding effect, for instance, on the surface.

Description

Faserverbund, dessen Verwendung und Verfahren zu dessen HerstellungFiber composite, its use and process for its manufacture
Die Erfindung betrifft einen Faserverbund, der Fasern aus chemisch oder physikalisch aufschäumbaren Polymeren aufweist, sowie die Verwendung eines solchen Faserverbun- des und Verfahren zu dessen Herstellung.The invention relates to a fiber composite that has fibers made of chemically or physically foamable polymers, and to the use of such a fiber composite and method for its production.
Polymerfasern werden durch Spinnen bzw. Extrudieren hergestellt und finden vornehmlich zur Herstellung von Nahtmaterial, Textilien, aber auch bei einer Vielzahl technischer Waren Verwendung. Sie werden in der Regel zu Faserverbunden, wie Gewebe, Gewirke, Gestricke oder Gelege, verarbeitet, aus denen wiederum Textilmaterialien für Bekleidungsstücke, Wäsche oder Belagmaterialien Filtertücher, Siebgewebe, Verpackungshüllen, Kaschierun- gen und dergleichen hergestellt werden. Ferner sindPolymer fibers are produced by spinning or extrusion and are mainly used for the production of sutures, textiles, but also for a variety of technical goods. They are generally processed into fiber composites, such as fabrics, knitted fabrics, knitted fabrics or scrims, from which in turn textile materials for clothing, laundry or covering materials, filter cloths, screen fabrics, packaging envelopes, laminations and the like are produced. Furthermore are
Faserverbunde aus Mischfasern bekannt, z.B. aus Polymer- und Naturfasern in der Textiltechnik oder aus Polymerfasern einerseits und Metall-, Karbon- oder Mineralfasern andererseits für technische Zwecke.Fiber composites made from mixed fibers are known, e.g. from polymer and natural fibers in textile technology or from polymer fibers on the one hand and metal, carbon or mineral fibers on the other hand for technical purposes.
Heute lassen sich eine Vielzahl von Polymeren durch Spinnen bzw. Extrudieren zu Fasern verarbeiten, wobei die Auswahl des Polymers auf den Verwendungszweck abgestimmt wird. Bei bestimmten Verwendungszwecken, insbesondere im Textilbereich, werden die Fasern nach dem Spinnen bzw.Today, a large number of polymers can be processed into fibers by spinning or extruding, the choice of the polymer being matched to the intended use. For certain uses, especially in the textile sector, the fibers are spun or
Extrudieren mit einer Ausrüstung versehen. Diese kann in einer nachträglichen physikalischen oder chemischenEquip extrusion with equipment. This can be in a subsequent physical or chemical
Behandlung oder Beschichtung der Oberfläche bestehen. Um füllige Fasern zu erzeugen, wird die Oberfläche strukturiert .Treatment or coating of the surface exist. The surface is structured to create plump fibers.
Um flauschige und/oder voluminöse Fasern zu erhalten, ist es ferner bekannt (GB 2 155 398, EP 0 445 708, EP 0 180 097) , Fasern aus aufschäumbaren Polymeren herzustellen, wobei das Polymer in der Regel mit einem Treibmittel versetzt ist, das durch Wärmezufuhr unter Gasabspaltung zersetzt wird. Das Aufschäumen der Fasern erfolgt unmittelbar beim Spinnen oder in einem anschließenden Prozeß. Diese aufgeschäumten Fasern werden dann in üblicher Weise zu einem Faserverbund, z.B. einem Gewebe, Gewirke od. dgl . zusammengeführt . Der gesamte Faserverbund ist also aus Fasern gleicher Eigenschaften hergestellt und weist folglich auch die durch diese Fasern bzw. den Faserwerkstoff vorgegebenen Eigenschaften auf .In order to obtain fluffy and / or voluminous fibers, it is also known (GB 2 155 398, EP 0 445 708, EP 0 180 097) to produce fibers from foamable polymers, the polymer usually being mixed with a blowing agent which is decomposed by supplying heat with the elimination of gas. The fibers are foamed directly during spinning or in a subsequent process. These foamed fibers are then conventionally formed into a fiber composite, e.g. a woven fabric, knitted fabric or the like merged. The entire fiber composite is therefore produced from fibers with the same properties and consequently also has the properties predetermined by these fibers or the fiber material.
Der Erfindung liegt die Aufgabe zugrunde, die positiven Eigenschaften aufgeschäumter Fasern nur dort zu nutzen, wo sie am fertigen Faserverbund bzw. dem daraus herzustellenden Endprodukt benötigt werden.The invention is based on the object of using the positive properties of foamed fibers only where they are required on the finished fiber composite or the end product to be produced therefrom.
Ein erfindungsgemäß ausgebildeter Faserverbund zeichnet sich deshalb dadurch aus, daß die Fasern des Faserverbundes erst nach dessen Herstellung und nur in vorgegebenen Bereichen des Faserverbundes aufgeschäumt sind.A fiber composite designed according to the invention is therefore characterized in that the fibers of the fiber composite are only foamed after their production and only in predetermined areas of the fiber composite.
Auf diese Weise lassen sich Vorprodukte oder Endprodukte herstellen, die nur in denjenigen Bereichen aufgeschäumte Fasern aufweisen, in denen die durch das Aufschäumen erzeugten Eigenschaften, wie Polsterwirkung, Stoßab- sorptionsfähigkeit , Kompressibilität, Isolationsfähigkeit od. dgl . , erwünscht sind, in allen übrigen Bereichen aber Eigenschaften aufweisen, wie sie ein herkömmlicher Faserverbund, z.B. in Form eines Gewebes, Gestrickes oder Gewirkes oder Geleges aufweist.In this way, preliminary products or end products can be produced which have foamed fibers only in those areas in which the properties produced by the foaming, such as cushioning effect, shock absorption capacity, compressibility, insulation capacity or the like , are desired, but in all other areas have properties such as those of a conventional fiber composite, for example in the form of a woven fabric, knitted fabric or knitted fabric or scrim.
Der Faserverbund kann beispielsweise Fasern aus mit einem Treibmittel versetzten Polymeren und Fasern aus treibmittelfreien Polymeren aufweisen, wobei letztere vor allem aus solchen Polymeren bestehen können, welche die ge- wünschten Eigenschaften des Endproduktes in den nicht geschäumten Bereichen bestimmen. Dabei kann es sich insbe sondere auch um Naturfasern, Metall- oder Carbonfasern handeln, die für technische Einsatzzwecke des Faserverbundes geeignet sind.The fiber composite can comprise, for example, fibers made of polymers mixed with a blowing agent and fibers made of blowing agent-free polymers, the latter mainly consisting of those polymers which determine the desired properties of the end product in the non-foamed areas. In particular, it can also be natural fibers, metal or carbon fibers that are suitable for technical purposes of the fiber composite.
Gemäß einer weiteren Ausführungsform kann der Faserverbund aus mehreren Schichten von Fasern bestehen, von denen mindestens eine äußere Schicht treibmittelfreie Fasern aufweist, während die treibmittelhaltigen Fasern wenigstens einer weiteren Schicht aufgeschäumt sind. Auf diese Weise lassen sich Werkstoffverbunde aus textilen und geschäumten Strukturen erzeugen, wie sie beispielsweise bei Polstermaterialien mit einer textilen Oberflächenstruktur auf einem geschäumten Träger wünschens- wert sind.According to a further embodiment, the fiber composite can consist of several layers of fibers, of which at least one outer layer has fibers free from blowing agent, while the fibers containing blowing agent are foamed at least one further layer. In this way, material composites can be produced from textile and foamed structures, as is desirable, for example, in the case of upholstery materials with a textile surface structure on a foamed carrier.
Ein solcher Faserverbund kann wenigstens auch eine weitere Zwischenschicht aus nicht geschäumten Fasern aufweisen, die als Stabilisierungseinlage mit gegebenenfalls erhöhter Zugfestigkeit wirkt.Such a fiber composite can at least also have a further intermediate layer made of non-foamed fibers, which acts as a stabilizing insert with possibly increased tensile strength.
Der erfindungsgemäße Faserverbund ist beispielsweise als Textilmaterial für Spezial-Bekleidungsstücke einsetzbar. Als solche sind insbesondere Arbeitsschutzkleidung, Sport- und Wintersportbekleidung zu nennen, indem in denjenigen Bereichen des Bekleidungsstücks, wo Polster- und/oder Isoliereigenschaften erwünscht sind, die Fasern des Faserverbundes aufgeschäumt sind. Dabei können diese Bereiche entweder am Zuschnitt für das Bekleidungsstück oder am fertigen Bekleidungsstück durch lokale chemische oder physikalische Behandlung aufgeschäumt werden.The fiber composite according to the invention can be used, for example, as a textile material for special items of clothing. Protective work clothing, To name sports and winter sports clothing in that the fibers of the fiber composite are foamed in those areas of the item of clothing where cushioning and / or insulating properties are desired. These areas can be foamed either on the cut for the item of clothing or on the finished item of clothing by local chemical or physical treatment.
In gleicher Weise läßt sich ein solcher Faserverbund zur Herstellung teilgeschäumter Formkörper verwenden. Solche Formkörper können als Polsterkörper bei Sitz- oder Liegemöbeln, Autositzen, Innenverkleidungsteilen von Kraftfahrzeugen etc. eingesetzt werden.In the same way, such a fiber composite can be used to produce partially foamed molded articles. Such moldings can be used as upholstered bodies in seating or reclining furniture, car seats, interior trim parts of motor vehicles, etc.
Die heute bekannten Polymere und Schäumtechniken gestatten die Herstellung von geschlossen- oder offenzelligen Strukturen. Diese Möglichkeiten können auch bei dem erfindungsgemäßen Faserverbund genutzt werden, insbesondere wird man geschlossenzellige Strukturen vorsehen, wenn der Faserverbund wasserabweisend sein soll. Diese wasserabweisende Eigenschaft wird noch dadurch unterstützt, daß in den aufgeschäumten Bereichen die Fasern dicht an dicht liegen, während der Faserverbund in den übrigen Bereichen die herkömmliche Eigenschaft der ihn bildenden Fasern aufweist. So lassen sich diffusionsdichte und diffusionsoffene Bereiche verwirklichen.The polymers and foaming techniques known today allow the production of closed or open cell structures. These possibilities can also be used in the fiber composite according to the invention; in particular, closed-cell structures will be provided if the fiber composite is to be water-repellent. This water-repellent property is further supported by the fact that the fibers lie close together in the foamed areas, while the fiber composite has the conventional property of the fibers forming it in the other areas. In this way, diffusion-tight and diffusion-open areas can be realized.
Zur Herstellung des erfindungsgemäßen Faserverbundes werden Fasern, die wenigstens zum Teil aus physikalisch oder chemisch aufschäumbaren Polymeren bestehen, zu einem gebundenen oder losen Verbund, z.B. einem Gewebe, Gewirke, Gestricke oder Gelege, zusammengeführt und wird der erhaltene Faserverbund in vorgegebenen Bereichen chemisch oder physikalisch unter Aufschäumen der Polymerfasern in diesen Bereichen behandelt .To produce the fiber composite according to the invention, fibers which at least partially consist of physically or chemically foamable polymers are combined to form a bonded or loose composite, for example a woven, knitted fabric, knitted fabric or scrim, and the fiber composite obtained is chemically or physically subdivided in predetermined areas Foaming the polymer fibers in these areas.
Werden Fasern aus einem Polymer, das mit einem wärmereaktiven Treibmittel versetzt ist, eingesetzt, so wird der diese Fasern aufweisende Faserverbund in den vorgegebenen Bereichen durch thermische Energie aufgeschäumt. Dies kann vorzugsweise durch Mikrowellenenergie geschehen, die sich einerseits genau dosieren, andererseits vor allem genau lokalisieren läßt .If fibers made of a polymer mixed with a heat-reactive blowing agent are used, the fiber composite comprising these fibers is foamed in the specified areas by thermal energy. This can preferably be done by means of microwave energy, which on the one hand can be precisely metered and, on the other hand, above all can be localized precisely.
Stattdessen können auch Fasern aus einem nicht-diffusionsdichten Polymer eingesetzt werden, wobei dann in den vorgegebenen Bereichen des diese Fasern aufweisenden Faserverbundes ein Fluid, z.B. eine Flüssigkeit oder ein Gas, durch Druckdiffusion eingebracht und das penetrierte Fluid durch schlagartigen Abbau des Drucks expandiert wird. Dieses Verfahren hat den Vorteil, daß in der Faser keine Restchemikalien verbleiben und das Polymer in den aufgeschäumten und den nicht geschäumten Bereichen die gleichen chemischen Eigenschaften aufweist. Instead, fibers made of a non-diffusion-tight polymer can also be used, in which case a fluid, e.g. a liquid or a gas, introduced by pressure diffusion and the penetrated fluid is expanded by abrupt reduction of the pressure. This method has the advantage that no residual chemicals remain in the fiber and the polymer has the same chemical properties in the foamed and non-foamed areas.

Claims

Patentansprüche claims
1. Faserverbund, der Fasern aus chemisch oder physikalisch aufschäumbaren Polymeren aufweist, dadurch gekennzeichnet, daß die Fasern des Faserverbundes erst nach dessen Herstellung und nur in vorgegebenen Bereichen des Faserverbundes aufgeschäumt sind.1. Fiber composite, which has fibers made of chemically or physically foamable polymers, characterized in that the fibers of the fiber composite are only foamed after their production and only in predetermined areas of the fiber composite.
2. Faserverbund nach Anspruch 1, dadurch gekennzeichnet, daß er Fasern aus mit einem Treibmittel ver- setzten Polymeren und Fasern aus treibmittelfreien Polymeren aufweist .2. The fiber composite according to claim 1, characterized in that it comprises fibers made of polymers mixed with a blowing agent and fibers made of blowing agent-free polymers.
3. Faserverbund nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß er aus mehreren Schichten von Fasern besteht, von denen mindestens eine äußere Schicht treibmittelfreie Fasern aufweist und die treibmit- telhaltigen Fasern wenigstens einer weiteren Schicht aufgeschäumt sind. 3. Fiber composite according to claim 1 or 2, characterized in that it consists of several layers of fibers, of which at least one outer layer has blowing agent-free fibers and the blowing agent-containing fibers are foamed at least one further layer.
4. Faserverbund nach einem der Ansprüche 1 bis 3 , dadurch gekennzeichnet, daß er wenigstens eine weitere Zwischenschicht aus nicht geschäumten Fasern aufweist .4. Fiber composite according to one of claims 1 to 3, characterized in that it has at least one further intermediate layer made of non-foamed fibers.
5. Faserverbund nach einem der Ansprüche 1 bis 4 , dadurch gekennzeichnet, daß er ein Gewebe, Gewirke, Gestricke oder Gelege ist.5. Fiber composite according to one of claims 1 to 4, characterized in that it is a woven, knitted, crocheted or laid fabric.
6. Verwendung eines Faserverbundes nach einem der6. Use of a fiber composite according to one of the
Ansprüche 1 bis 5 als Textilmaterial für Spezialbe- kleidungsstücke, die in vorgegebenen Bereichen Polster- und/oder Isoliereigenschaften aufweisen.Claims 1 to 5 as a textile material for special garments that have cushioning and / or insulating properties in predetermined areas.
7. Verwendung nach Anspruch 6, dadurch gekennzeichnet, daß nach Herstellung der Zuschnitte aus dem Textilmaterial die Fasern in den Bereichen mit Polster- und/oder Isoliereigenschaften aufgeschäumt sind.7. Use according to claim 6, characterized in that after the production of the blanks from the textile material, the fibers are foamed in the areas with cushioning and / or insulating properties.
8. Verwendung eines Faserverbundes nach einem der8. Use of a fiber composite according to one of the
Ansprüche 1 bis 5, zur Herstellung von teilgeschäumten Formkörpern.Claims 1 to 5, for the production of partially foamed moldings.
9. Verfahren zur Herstellung eines Faserverbundes nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß Fasern, die wenigstens zum Teil aus physikalisch oder chemisch aufschäumbaren Polymeren bestehen, zu einem gebundenen oder losen Verbund zusammengeführt werden und der erhaltene Faserverbund in vorgegebe- nen Bereichen unter Aufschäumen der Polymerfasern in diesen Bereichen chemisch oder physikalisch behandelt wird.9. A process for producing a fiber composite according to one of claims 1 to 5, characterized in that fibers which consist at least in part of physically or chemically foamable polymers are brought together to form a bonded or loose composite and the fiber composite obtained in predetermined areas is treated chemically or physically in these areas by foaming the polymer fibers.
10. Verfahren nach Anspruch 9, dadurch gekennzeichnet, daß Fasern aus einem Polymer, das mit einem wärme- reaktiven Treibmittel versetzt ist, eingesetzt werden, und daß der diese Fasern aufweisende Faserverbund in den vorgegebenen Bereichen durch thermi- sehe Energie aufgeschäumt wird.10. The method according to claim 9, characterized in that fibers made of a polymer mixed with a heat-reactive blowing agent are used, and that the fiber composite comprising these fibers is foamed in the specified areas by thermal energy.
11. Verfahren nach Anspruch 9, dadurch gekennzeichnet, daß Fasern aus einem nicht-diffusionsschichten Polymer eingesetzt werden und daß in den vorgegebe- nen Bereichen des diese Fasern aufweisenden Faserverbundes ein Fluid durch Druckdiffusion eingebracht und das penetrierte Fluid durch schlagartigen Abbau des Drucks expandiert wird. 11. The method according to claim 9, characterized in that fibers made of a non-diffusion layer polymer are used and that a fluid is introduced by pressure diffusion in the predetermined regions of the fiber composite comprising these fibers and the penetrated fluid is expanded by abrupt reduction of the pressure.
EP97952798A 1996-11-23 1997-11-24 Fiber composite, the use and a method for a production thereof Expired - Lifetime EP0939837B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19648522 1996-11-23
DE19648522 1996-11-23
PCT/EP1997/006551 WO1998023801A1 (en) 1996-11-23 1997-11-24 Fiber composite, the use and a method for a production thereof

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EP0939837A1 true EP0939837A1 (en) 1999-09-08
EP0939837B1 EP0939837B1 (en) 2002-05-22

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EP97952798A Expired - Lifetime EP0939837B1 (en) 1996-11-23 1997-11-24 Fiber composite, the use and a method for a production thereof

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EP (1) EP0939837B1 (en)
JP (1) JP2001508505A (en)
AT (1) ATE217914T1 (en)
DE (1) DE59707336D1 (en)
WO (1) WO1998023801A1 (en)

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Publication number Priority date Publication date Assignee Title
NL2012994B1 (en) * 2014-06-12 2016-07-04 Ten Cate Nederland B V Foamed fabric.

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US2920977A (en) * 1956-04-19 1960-01-12 Armstrong Cork Co Cellular surface coverings having an embossed appearance
US3100926A (en) * 1958-04-03 1963-08-20 Electric Storage Battery Co Method of producing expanded fabric-like material
GB977513A (en) * 1961-06-29 1964-12-09 British Ropes Ltd Improvements in or relating to woven material
GB1069999A (en) * 1963-09-18 1967-05-24 Congoleum Ind Inc Blowing agent inhibitor composition
US3389446A (en) * 1966-01-25 1968-06-25 Du Pont Process for producing foam fabrics
US3694873A (en) * 1970-04-02 1972-10-03 Richard P Crowley Method of preparing a tufted rug with cellular fibers
JPS59232831A (en) * 1983-06-16 1984-12-27 Idemitsu Petrochem Co Ltd Preparation of foaming thermoplastic resin
JPH03174051A (en) * 1989-11-30 1991-07-29 Toray Ind Inc Expandable fabric and expanded structure

Non-Patent Citations (1)

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Title
See references of WO9823801A1 *

Also Published As

Publication number Publication date
WO1998023801A1 (en) 1998-06-04
JP2001508505A (en) 2001-06-26
EP0939837B1 (en) 2002-05-22
DE59707336D1 (en) 2002-06-27
ATE217914T1 (en) 2002-06-15

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