DE10051598A1 - Textile reinforcing material has covering layer and voluminous nonwoven layer - Google Patents

Textile reinforcing material has covering layer and voluminous nonwoven layer

Info

Publication number
DE10051598A1
DE10051598A1 DE10051598A DE10051598A DE10051598A1 DE 10051598 A1 DE10051598 A1 DE 10051598A1 DE 10051598 A DE10051598 A DE 10051598A DE 10051598 A DE10051598 A DE 10051598A DE 10051598 A1 DE10051598 A1 DE 10051598A1
Authority
DE
Germany
Prior art keywords
layer
fiber layer
fibers
textile reinforcement
voluminous
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
DE10051598A
Other languages
German (de)
Inventor
Gert Wagener
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.)
Saertex GmbH and Co KG
Original Assignee
Saertex Wagener GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Saertex Wagener GmbH filed Critical Saertex Wagener GmbH
Priority to DE10051598A priority Critical patent/DE10051598A1/en
Publication of DE10051598A1 publication Critical patent/DE10051598A1/en
Withdrawn legal-status Critical Current

Links

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
    • 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
    • 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
    • D04H1/4209—Inorganic fibres
    • D04H1/4218—Glass fibres
    • 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
    • D04H1/44—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 the fleeces or layers being consolidated by mechanical means, e.g. by rolling
    • D04H1/52—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 the fleeces or layers being consolidated by mechanical means, e.g. by rolling by applying or inserting filamentary binding elements
    • 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
    • D04H5/02—Non woven fabrics formed of mixtures of relatively short fibres and yarns or like filamentary material of substantial length strengthened or consolidated by mechanical methods, e.g. 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
    • D04H5/00—Non woven fabrics formed of mixtures of relatively short fibres and yarns or like filamentary material of substantial length
    • D04H5/08—Non woven fabrics formed of mixtures of relatively short fibres and yarns or like filamentary material of substantial length characterised by the method of forming fleeces or layers, e.g. reorientation of fibres or yarns
    • 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
    • D04H5/12—Glass fibres

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Nonwoven Fabrics (AREA)
  • Laminated Bodies (AREA)

Abstract

A random fibre layer is applied on a layer of glassfibres and is needled loosely to it. An additional glassfibre layer is applied on the voluminous random fibre layer and the complete product is then needled. The random fibre layer consists of synthetic or natural fibres or of a blend of the two. The glassfibres are 30-80 mm long and 25-80 tex thick.

Description

Die Erfindung bezieht sich auf eine textile Armierung.The invention relates to a textile reinforcement.

Beispielsweise in der EP 0 395 548 B1 wird eine Textilarmierung anwendbar für die Herstellung von Formteilen als Verbundstoff oder Artikeln mit einer solchen Armierung beschrieben, wobei wenigstens zwei textile Verstärkungsschichten vorgesehen sind, die beiderseits einer die Dicke des Produktes vorgebenden Zwischenschicht angeordnet sind. Diese Zwischenschicht oder Vliesschicht besteht aus einer Lage synthetischer Fasern, die eine dauerhafte Ondulierung aufweisen, wobei die verschie­ denen Schichten untereinander durch Vernähen oder Ver­ stricken verbunden sind. Derartige sogenannte Sandwich- Konstruktionen dienen als Armierung im Glasfaserkunststoff­ bereich, insbesondere in dem sogenannten RTM-Verfahren (resin transfer moulding), bei dem ein höchstmöglicher Harzfluß durch die Zwischenschicht und eine gute Drapierfähigkeit, d. h. also Formgebungsmöglichkeiten der Armierung angestrebt werden.For example, EP 0 395 548 B1 describes textile reinforcement applicable for the production of molded parts as a composite or articles with such a reinforcement, where at least two textile reinforcement layers are provided, on both sides of one that specifies the thickness of the product Intermediate layer are arranged. This intermediate layer or Nonwoven layer consists of a layer of synthetic fibers have a permanent undulation, the different which layers to each other by sewing or Ver knit are connected. Such so-called sandwich Constructions serve as reinforcement in the glass fiber plastic area, particularly in the so-called RTM process (resin transfer molding), in which the highest possible resin flow due to the intermediate layer and good drapability, d. H. So design options for the reinforcement sought become.

Die im Stand der Technik bekannte Textilarmierung weist eine hohe Dehnfähigkeit und einen ausgezeichneten Harzfluß auf, hat aber den Nachteil, daß die Festigkeitswerte im fertigen Laminat nur gering sind, da die Vliesschicht kein Verstärkungs­ material enthält.The textile reinforcement known in the prior art has one high elasticity and excellent resin flow, but has the disadvantage that the strength values in the finished Laminate are only small because the non-woven layer is no reinforcement contains material.

Der Erfindung liegt die Aufgabe zugrunde, eine textile Armierung zu schaffen, die bei gleichguter Harzflußqualität höhere Festig­ keiten aufweist und ggf. im Gegensatz zu den Produkten, wie sie im Stand der Technik bekannt sind, eine glattere Oberfläche besitzt.The invention has for its object a textile reinforcement to create the higher strength with the same resin flow quality features and possibly in contrast to the products, such as  they are known in the art, a smoother surface has.

Diese der Erfindung zugrundeliegende Aufgabe wird durch die Lehre des Hauptanspruches gelöst.This object of the invention is achieved by Teaching of the main claim solved.

Vorteilhafte Ausgestaltungen der Erfindung sind in den Unter­ ansprüchen erläutert.Advantageous embodiments of the invention are in the sub claims explained.

Mit anderen Worten ausgedrückt wird vorgeschlagen, daß die Glasfaserschicht aus einer Schicht loser Glasfasern, beispiels­ weise mit einer Länge von 30 bis 80 mm und einer Stärke von 25-80 tex besteht, wobei diese Fasern beispielsweise auf ein Förderband aufgebracht werden können. Auf diese Glas­ faserschicht wird dann eine Wirrfaserschicht aufgebracht, die ein hohes Volumen aufweist und beispielsweise aus Polypropylen­ fasern oder anderen synthetischen Fasern oder auch aus Naturfasern besteht. Diese beiden Schichten werden dann gemäß der Erfindung locker vernadelt, wodurch erreicht wird, daß ein gewisser Glasfaseranteil in die Wirrfaserschicht mit hohem Volumen eingetragen wird. Auf die so vorverfestigte zweischichtige Anordnung wird dann eine Schicht wiederum loser Glasfasern aufgebracht, die die gleiche oder eine andere Charakteristik aufweisen können wie die Fasern der Grund­ schicht, wobei dann dieses Produkt durch Vernähen verfestigt wird.In other words, it is proposed that the Glass fiber layer from a layer of loose glass fibers, for example wise with a length of 30 to 80 mm and a thickness of 25-80 tex exists, these fibers, for example, on a Conveyor belt can be applied. On this glass A random fiber layer is then applied to the fiber layer has high volume and for example made of polypropylene fibers or other synthetic fibers or from Natural fibers exist. These two layers are then needled loosely according to the invention, whereby that a certain amount of glass fiber in the tangled fiber layer with high volume is entered. On the so pre-consolidated two-layer arrangement then becomes one layer again Loose glass fibers applied that are the same or different Can have characteristics like the fibers of the bottom layer, which then solidifies this product by sewing becomes.

Claims (4)

1. Textile Armierung mit einer Deckschicht und einer voluminösen Vliesschicht, dadurch gekennzeichnet, daß auf eine Lage von Glasfasern eine Wirrfaserschicht aufgebracht wird, die anschließend mit der Glasfaser­ schicht locker vernadelt wird, wobei auf die voluminöse Wirrfaserlage eine weitere Glasfaserschicht aufge­ bracht wird und dieses Gesamtprodukt dann vernäht wird. 1. Textile reinforcement with a cover layer and a voluminous non-woven layer, characterized in that a random fiber layer is applied to a layer of glass fibers, which is then needled loosely with the glass fiber layer, with a further glass fiber layer being brought up on the voluminous random fiber layer and this overall product then sewn up. 2. Textile Armierung nach Anspruch 1, dadurch gekenn­ zeichnet, daß die Wirrfaserlage ein hohes Volumen aufweist.2. Textile reinforcement according to claim 1, characterized records that the tangled fiber layer has a high volume having. 3. Textile Armierung nach Anspruch 1 und 2, dadurch gekennzeichnet, daß die Wirrfaserlage aus synthetischen Fasern, natürlichen Fasern oder einer Mischung derartiger Fasern besteht.3. Textile reinforcement according to claim 1 and 2, characterized characterized in that the random fiber layer made of synthetic Fibers, natural fibers or a mixture of such Fibers. 4. Textile Armierung nach Anspruch 1 bis 3, dadurch gekennzeichnet, daß die Glasfasern eine Länge zwischen 30-80 mm und eine Stärke von 25-80 tex aufweisen.4. Textile reinforcement according to claim 1 to 3, characterized characterized in that the glass fibers have a length between 30-80 mm and a thickness of 25-80 tex exhibit.
DE10051598A 2000-08-31 2000-10-18 Textile reinforcing material has covering layer and voluminous nonwoven layer Withdrawn DE10051598A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE10051598A DE10051598A1 (en) 2000-08-31 2000-10-18 Textile reinforcing material has covering layer and voluminous nonwoven layer

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10042721 2000-08-31
DE10051598A DE10051598A1 (en) 2000-08-31 2000-10-18 Textile reinforcing material has covering layer and voluminous nonwoven layer

Publications (1)

Publication Number Publication Date
DE10051598A1 true DE10051598A1 (en) 2002-03-14

Family

ID=7654383

Family Applications (1)

Application Number Title Priority Date Filing Date
DE10051598A Withdrawn DE10051598A1 (en) 2000-08-31 2000-10-18 Textile reinforcing material has covering layer and voluminous nonwoven layer

Country Status (1)

Country Link
DE (1) DE10051598A1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005048603A1 (en) * 2005-10-06 2007-04-26 J.H. Ziegler Gmbh & Co. Kg Non-woven plastic laminate infiltratable for the production of fiber-reinforced plastic parts
FR2920025A1 (en) * 2007-08-14 2009-02-20 Saertex France Soc Par Actions Fibrous reinforcement of high compressive strength, for resin-based composites, is obtained by depositing high titer fibers on cloth and orienting fibers to give 3-dimensional structure
EP2036701A1 (en) 2007-09-11 2009-03-18 Perick Management GmbH Layered structure and method and device for manufacturing a layered structure

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005048603A1 (en) * 2005-10-06 2007-04-26 J.H. Ziegler Gmbh & Co. Kg Non-woven plastic laminate infiltratable for the production of fiber-reinforced plastic parts
FR2920025A1 (en) * 2007-08-14 2009-02-20 Saertex France Soc Par Actions Fibrous reinforcement of high compressive strength, for resin-based composites, is obtained by depositing high titer fibers on cloth and orienting fibers to give 3-dimensional structure
EP2036701A1 (en) 2007-09-11 2009-03-18 Perick Management GmbH Layered structure and method and device for manufacturing a layered structure

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