EP0046836A1 - Lining felt - Google Patents

Lining felt Download PDF

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Publication number
EP0046836A1
EP0046836A1 EP19810101776 EP81101776A EP0046836A1 EP 0046836 A1 EP0046836 A1 EP 0046836A1 EP 19810101776 EP19810101776 EP 19810101776 EP 81101776 A EP81101776 A EP 81101776A EP 0046836 A1 EP0046836 A1 EP 0046836A1
Authority
EP
European Patent Office
Prior art keywords
interlining
fibers
nonwovens
needled
nonwoven fabric
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
EP19810101776
Other languages
German (de)
French (fr)
Other versions
EP0046836B1 (en
Inventor
Jürgen Dr. Knoke
Manfred Jöst
Bohuslav Tecl
Erich Dr. Fahrbach
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.)
Carl Freudenberg KG
Original Assignee
Carl Freudenberg KG
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 Carl Freudenberg KG filed Critical Carl Freudenberg KG
Priority to AT81101776T priority Critical patent/ATE9826T1/en
Publication of EP0046836A1 publication Critical patent/EP0046836A1/en
Application granted granted Critical
Publication of EP0046836B1 publication Critical patent/EP0046836B1/en
Expired legal-status Critical Current

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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
    • D04H11/00—Non-woven pile fabrics
    • D04H11/08—Non-woven pile fabrics formed by creation of a pile on at least one surface of a non-woven fabric without addition of pile-forming material, e.g. by needling, by differential shrinking
    • 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
    • D04H1/46—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 needling or like operations to cause entanglement of fibres
    • D04H1/48—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 needling or like operations to cause entanglement of fibres in combination with at least one other method of consolidation
    • 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
    • Y10T428/23907—Pile or nap type surface or component
    • Y10T428/23943—Flock surface
    • 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
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24802—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.]
    • Y10T428/24826—Spot bonds connect components
    • 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
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24802—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.]
    • Y10T428/24843—Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.] with heat sealable or heat releasable adhesive layer
    • 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]
    • Y10T442/659—Including an additional nonwoven fabric
    • Y10T442/666—Mechanically interengaged by needling or impingement of fluid [e.g., gas or liquid stream, etc.]
    • Y10T442/667—Needled
    • 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]
    • Y10T442/69—Autogenously bonded nonwoven fabric

Definitions

  • the invention relates to an interlining nonwoven, in particular for soft, fluffy and voluminous textile outer fabrics, consisting of staple and / or continuous fibers, which solidifies with the aid of binders and / or thermoplastic softenable binding fibers and which is provided on one or both sides with an adhesive pattern on the surface is.
  • Interlining nonwovens of this type have long been used in the textile industry in addition to interlining and interlining. Iron-on interlining nonwovens have proven particularly useful, one or both surfaces being provided with an adhesive pattern.
  • spot welded nonwoven fabrics are preferred, and in this case Vliesgewic h te between about 30 to 50 g / m 2 without any adhesive material.
  • an insufficient volume and a somewhat too firm grip are generally achieved.
  • the invention is based on the object of developing a nonwoven interlining which is particularly suitable for soft, textile outer fabrics and which does not interfere with the properties of the outer fabric and, in particular, should have good drapability.
  • This interlining nonwoven is also said to be washable and cleanable.
  • An interlining nonwoven fabric which consists of staple and / or continuous fibers and is consolidated with the aid of binders and / or thermoplastic softenable binder fibers and is provided on one or both sides with an adhesive pattern on the surface.
  • the interlining nonwoven fabric known in this way is characterized in that, after solidification with the binder or the binding fibers, it is needled on one or both sides with felting needles at 20 to 100 punctures / cm 2 in such a way that it is attached the cutout side has a fluffy surface. If the nonwoven is only needled on one side, the adhesive is expediently printed or powdered on the puncture side.
  • Cross-laid nonwovens are particularly suitable as the basic nonwovens.
  • longitudinally laid nonwovens made of staple and / or continuous fibers or wetlaid nonwovens are also suitable. It is surprising that an interlining nonwoven fabric which is strengthened in a known manner by binding fibers or binders has the desired fluffy and voluminous properties if it is needled in the manner proposed according to the invention. This effect was not to be expected because well-known, pre-needled nonwovens are relatively hard and stiff. Pre-needled and then consolidated nonwovens are used, for example, as needle felt floor coverings or as backing materials for synthetic leather. Needling reduces the softness and volume of the raw material.
  • the E inla g estoff according to the invention is intended to be needled, after solidification, which surprisingly leads to the comparison with the known needle nonwovens opposite effect.
  • Interlining nonwovens have been found to be suitable, which are either bound to a binder known per se with 5 to 30% by weight, based on the weight of the fibers.
  • Polyacrylic ester dispersions, polyurethane binders or silicone rubber binders can be used as binders. Binder additions of 10 to 20% by weight, based on the weight of the fibers, are often desired.
  • homofil fibers but preferably bicomponent fibers, can be used.
  • Nylon 6, copolyester or bicomponent fibers made of nylon 66/6 or polyethylene terephthalate / copolyester are particularly suitable.
  • the binder fibers can make up 10 to 100% by weight of the fiber mixture.
  • Conventional fully synthetic fibers such as polyesters, polyamides or polyacrylonitrile fibers are suitable as co-fibers.
  • semi-synthetic or natural fibers can also be used.
  • the interlining nonwoven fabric according to the invention is needled on one or both sides after consolidation. It expediently has 20 to 100 punctures / cm 2 .
  • the nonwoven fabric can be finished, for example dyed, before or after the needling process.
  • this refinement process consists in applying adhesive, preferably on the denser stitch side, which is not fluffy. Subsequent application of the adhesive is preferred in order to avoid that the adhesive is partially detached in the needle process.
  • the interlining materials according to the invention have a fluffy feel that has not previously been attainable, which surprisingly is not impaired even during dry cleaning and washing.
  • the needled products already differ in appearance and in their properties considerably from known interlinings. In particular, however, they differ from those nonwovens that are pre-consolidated with the help of needles before binding. Such nonwovens are not only less economical to produce, they in particular do not have the fluffy and voluminous surface of the interlining nonwoven according to the invention. While the pre-needled nonwovens often show a poorer surface smoothness after ironing and for certain areas of application, e.g. in fine blouses, can not be used, the needled interlining nonwovens according to the invention are due to their good surface smoothness in all areas where increased demands are made.
  • a fleece is carded onto a card with a fiber mixture of 50% polyamide 6, 1.6 dtex and 50% by weight polyester 1.7 dtex.
  • This fleece is laid down on a slatted belt by means of cross layers.
  • the weight of the fiber pile is 24 g / m.
  • This pile is led into an impregnation plant and impregnated there with a foamed mixture of a polymer dispersion of 90% by weight butyl acrylate, 6% by weight acrylonitrile and 4% by weight N-methylolacrylamide, to which some wetting agent and 1 part by weight are firmly added to solid maleic acid , so that 5 g / m 2 dry matter are absorbed.
  • the proportion of binder is approx. 21% by weight.
  • the width is 1 m, the winding speed is 11 m / min.
  • This nonwoven is then passed through a needle chair with 2 boards with 5000 needles / m each with 38 gauge and 3 barbs per edge (9 barbs per 3 edges).
  • the stroke is 1000 / min, the insertion depth is 14 mm, all 3 barbs per edge pierce the nonwoven fabric.
  • the throughput speed is 24 m / min, the number of punches per cm 2 is 38.
  • the result is a one-sided flausc h strength material.
  • a copolyamide hot-melt adhesive in dispersion form which is a terpolymer of 25% nylon 6, 25% nylon 66 and 50% nylon 12, are applied to the smooth, non-fluffy surface using the screen printing process.
  • the hot melt adhesive is applied with a 20 mesh stencil, dried and sintered.
  • This nonwoven fabric can be ironed onto an outer fabric made of a polyester-cotton mixture with a plate press at 350 mbar, 150 ° C and 10 seconds and results in a very soft, pleasing handle that is relatively full for its low weight and good surface smoothness of the fabric top. It serves as an iron-on interlining, e.g. for poplin, blouse, etc.
  • a fleece is carded with a fiber mixture of 30% nylon 66 with a titer 1.7 dtex, 20% polyester with a titer 3.3 dtex and 50% of a core-sheath bicomponent fiber, which is made of 50% nylon 6 and 50% is made of nylon 66 and the titer is also 3.3 dtex.
  • This fleece is placed on a slatted belt by means of cross layers.
  • the fleece is calendered with a smooth roller and an engraved roller with dot dimensions of 0.55 x 0.8 x 0.65 mm and 30 dots / cm 2 (dot spacing in the horizontal rows 2.1 mm, in the vertical rows Rows 1.6 mm) welded at a temperature of 225 ° C and a pressure of 50 kp / cm.
  • the outlet speed is 10 m / min
  • the weight of the calendered nonwoven is 6 0 g / m 2 .
  • the width is 1 m.
  • This nonwoven fabric is then passed through a needle chair with 2 boards with 5000 needles / m each with 40 gauge and 3 barbs per edge (9 barbs per 3 edges).
  • the stroke is 1000 / min, the penetration depth is 14 mm; all 3 barbs per edge pierce the nonwoven.
  • the throughput speed is 24 m / min, the number of punches per cm 2 is 38.
  • the result is a one-sided flausc h strength material which is very drapable, soft and bulky.
  • 23 g / m 2 of a copolyamide hot-melt adhesive from a dispersion, which is a terpolymer of 25% nylon 6, 25% nylon 66 and 50% nylon 12, are applied to the smooth, non-fluffy surface using the screen printing method.
  • the hot melt adhesive is applied in dots, the point diameter being 0.90 mm and 30 points statistically
  • This nonwoven can be ironed with a plate press at 350 mbar, 150 ° C and 10 seconds on a polyester cotton 65/35 and gives a very soft and pleasant full grip. It serves as an iron-on interlining for coats, costumes, men's jackets, etc.
  • a nonwoven fabric is produced as in Example 2 without being subjected to the post-needling procedure according to the invention. It is harder, flatter and less drapable than the control sample of Example 2 and the flausc h owned character lacks the surface.
  • the laminate ironed with the outer fabric PE / BW 65: 35 also shows a much flatter and firmer grip than in example 2.
  • the low fall coefficient shows the softer textile fall and the better drapability.

Abstract

A soft, fluffy, bulky, nonwoven fabric is disclosed which is made from bonded or at least partially fused fibers which have been needle-punctured.

Description

Die Erfindung betrifft einen Einlagevliesstoff insbesondere für weiche, flauschige und voluminöse textile Oberstoffe, bestehend aus Stapel- und/oder Endlosfasern, der mit Hilfe von Bindemitteln und/oder von thermoplastisch erweichbaren Bindefasern verfestigt und der ein- oder beidseitig an der Oberfläche mit einem Haftmittelmuster versehen ist.The invention relates to an interlining nonwoven, in particular for soft, fluffy and voluminous textile outer fabrics, consisting of staple and / or continuous fibers, which solidifies with the aid of binders and / or thermoplastic softenable binding fibers and which is provided on one or both sides with an adhesive pattern on the surface is.

Einlagevliesstoffe dieser Art werden seit langem neben Einlagegeweben und Einlagegewirken in der Kcnfekticnsindustrie verwendet. Bewährt haben sich insbesondere aufbügelbare Einlagevliesstoffe, wobei eine oder beide Oberflächen mit einem Haftmittelmuster versehen sind. Bei bindefaserverfestigten Vliesstoffen werden punktverschweißte Vliesstoffe bevorzugt und hierbei Vliesgewichte zwischen etwa 30 bis 50 g/m2 ohne Haftmasse. Bei schwereren punktverschweißten Vliesstoffen wird im allgemeinen ein nur mangelhaftes Volumen und ein etwas zu fester Griff erzielt.Interlining nonwovens of this type have long been used in the textile industry in addition to interlining and interlining. Iron-on interlining nonwovens have proven particularly useful, one or both surfaces being provided with an adhesive pattern. In the binder fiber bonded nonwovens spot welded nonwoven fabrics are preferred, and in this case Vliesgewic h te between about 30 to 50 g / m 2 without any adhesive material. In the case of heavier spot-welded nonwovens, an insufficient volume and a somewhat too firm grip are generally achieved.

Zur Verstärkung der modernen textilen Oberstoffe hat man schon versucht, die an sich guten fasergebundenen punktverschweißten Einlagevliesstoffe durch Aufrauhen zu einem besseren Volumen zu führen. Dieser Versuch ergab jedoch keine Verbesserung, denn die Fasern werden bei dem Aufrauhvorgang herausgezogen und der fusselnde Vliesstoff läßt sich nicht mit Haftmasse beschichten. Die losen Fasern belegen die Druckvorrichtung und der nur mangelhaft mit Haftmasse versehene Einlagevliesstoff ist nicht wasch- und chemischreinigungsbeständig.To reinforce the modern textile outer fabrics, attempts have already been made to roughen the good fiber-bonded, spot-welded interlining nonwovens to a better volume. However, this attempt showed no improvement, because the fibers are pulled out during the roughening process and the linting nonwoven cannot be coated with adhesive. The loose fibers occupy the printing device and the interlining nonwoven fabric, which is poorly coated with adhesive, is not resistant to washing and dry cleaning.

Der Erfindung liegt nun die Aufgabe zugrunde, einen insbesondere für weiche, textile Oberstoffe geeigneten Einlagevliesstoff zu entwickeln, der die Eigenschaften des Cberstoffes nicht stört und insbesondere gut drapierfähig sein soll. Dieser Einlagevliesstoff soll überdies wasch- und reinigungsbeständig sein.The invention is based on the object of developing a nonwoven interlining which is particularly suitable for soft, textile outer fabrics and which does not interfere with the properties of the outer fabric and, in particular, should have good drapability. This interlining nonwoven is also said to be washable and cleanable.

Es wird ein Einlagevliesstoff vorgeschlagen, der aus Stapel- und/ oder Endlosfasern besteht und mit Hilfe von Bindemitteln und/oder von thermoplastisch erweichbaren Bindefasern verfestigt und ein-oder beidseitig an der Oberfläche mit einem Haftmittelmuster versehen ist. Der so ausgestattete, an sich bekannte Einlagevliesstoff ist dadurch gekennzeichnet, daß er nach der Verfestigung mit dem Bindemittel oder den Bindefasem ein- oder beidseitig mit Filznadeln bei 20 bis 100 Einstichen/cm2 derart nachgenadelt ist, daß er an der Ausstichseite jeweils eine flauschige Oberfläche aufweist. Falls der Vliesstoff nur einseitig genadelt ist, wird das Haftmittel zweckmäßig auf der Einstichseite aufgedruckt oder aufgepudert.An interlining nonwoven fabric is proposed which consists of staple and / or continuous fibers and is consolidated with the aid of binders and / or thermoplastic softenable binder fibers and is provided on one or both sides with an adhesive pattern on the surface. The interlining nonwoven fabric known in this way is characterized in that, after solidification with the binder or the binding fibers, it is needled on one or both sides with felting needles at 20 to 100 punctures / cm 2 in such a way that it is attached the cutout side has a fluffy surface. If the nonwoven is only needled on one side, the adhesive is expediently printed or powdered on the puncture side.

Als Basisvliese eignen sich insbesondere quergelegte Vliese. Geeignet sind jedoch auch längsgelegte Vliese aus Stapel- und/oder Endlosfasern oder naßgelegte Vliese. Es ist überraschend, daß ein Einlagevliesstoff, der in bekannter Weise durch Bindefasern oder Bindemittel verfestigt ist, die erwünschten flauschigen und voluminösen Eigenschaften aufweist, wenn er in der erfindungsgemäß vorgeschlagenen Weise nachgenadelt ist. Dieser Effekt war nicht zu erwarten, denn bekannte, vorgenadelte Vliesstoffe sind relativ hart und steif. Vorgenadelte und dann verfestigte Vliesstoffe werden z.B. als Nadelfilzbodenbeläge oder als Trägermaterialien für Kunstleder verwendet. Durch das Nadeln wird hier die Weichheit und das Volumen des Ausgangsmaterials verringert. Demgegenüber soll der Einlagestoff erfindungsgemäß nach der Verfestigung genadelt sein, was überraschenderweise zu dem gegenüber den bekannten Nadelvliesen entgegengesetzten Effekt führt.Cross-laid nonwovens are particularly suitable as the basic nonwovens. However, longitudinally laid nonwovens made of staple and / or continuous fibers or wetlaid nonwovens are also suitable. It is surprising that an interlining nonwoven fabric which is strengthened in a known manner by binding fibers or binders has the desired fluffy and voluminous properties if it is needled in the manner proposed according to the invention. This effect was not to be expected because well-known, pre-needled nonwovens are relatively hard and stiff. Pre-needled and then consolidated nonwovens are used, for example, as needle felt floor coverings or as backing materials for synthetic leather. Needling reduces the softness and volume of the raw material. In contrast, the E inla g estoff according to the invention is intended to be needled, after solidification, which surprisingly leads to the comparison with the known needle nonwovens opposite effect.

Es haben sich Einlagevliesstoffe bewährt, welche entweder mit 5 bis 30 Gew. %, bezogen auf das Gewicht der Fasern, an einem an sich bekannten Bindemittel gebunden sind. Als Bindemittel lassen sich dabei Polyacrylesterdispersionen, Polyurethanbindemittel oder Siliconkautschukbindemittel verwenden. Vielfach sind Bindemittelzusätze von 10 bis 20 Gew. %, bezogen auf das Gewicht der Fasern, erwünscht. Bei der Verwendung von Bindefasern können Homofilfasern, jedoch bevorzugt Bikomponentenfasern eingesetzt werden. Es eignen sich insbesondere Nylon 6, Copolyester oder aber Bikomponentenfasern aus Nylon 66/6 oder Polyäthylenterephthalat/Copolyester. Die Bindefasern können 10 bis 100 Gew. % der Fasermischung ausmachen. Als Cofasern eignen sich übliche vollsynthetische Fasern wie Polyester, Polyamide oder Polyacrylnitrilfasem. Daneben sind auch halbsynthetische- oder Naturfasern einsetzbar.Interlining nonwovens have been found to be suitable, which are either bound to a binder known per se with 5 to 30% by weight, based on the weight of the fibers. Polyacrylic ester dispersions, polyurethane binders or silicone rubber binders can be used as binders. Binder additions of 10 to 20% by weight, based on the weight of the fibers, are often desired. When using binding fibers, homofil fibers, but preferably bicomponent fibers, can be used. Nylon 6, copolyester or bicomponent fibers made of nylon 66/6 or polyethylene terephthalate / copolyester are particularly suitable. The binder fibers can make up 10 to 100% by weight of the fiber mixture. Conventional fully synthetic fibers such as polyesters, polyamides or polyacrylonitrile fibers are suitable as co-fibers. In addition, semi-synthetic or natural fibers can also be used.

Der erfindungsgemäße Einlagevliesstoff ist ein- oder beidseitig nach der Verfestigung genadelt. Es weist zweckmäßig 20 bis 100 Einstiche/cm2 auf. Der Vliesstoff kann vor oder nach dem Nadelvorgang veredelt, z.B. gefärbt werden. Bei aufbügelbaren Einlagestoffen besteht dieser Veredelungsvorgang in dem Aufbringen von Haftmittel, bevorzugt auf der dichteren Einstichseite, die nicht flauschig ist. Man bevorzugt das nachträgliche Aufbringen des Haftmittels, um zu vermeiden, daß bei dem Nadelprozeß das Haftmittel teilweise abgelöst wird. Bei nichtfixierbaren Einlagestoffen ist es besser, beidseitig zu nadeln, um die erwünschte flauschige Oberfläche von beiden Seiten zu erhalten.The interlining nonwoven fabric according to the invention is needled on one or both sides after consolidation. It expediently has 20 to 100 punctures / cm 2 . The nonwoven fabric can be finished, for example dyed, before or after the needling process. In the case of iron-on interlinings, this refinement process consists in applying adhesive, preferably on the denser stitch side, which is not fluffy. Subsequent application of the adhesive is preferred in order to avoid that the adhesive is partially detached in the needle process. In the case of non-fixable interlining fabrics, it is better to needle on both sides in order to obtain the desired fluffy surface from both sides.

Die erfindungsgemäßen Einlagestoffe zeigen einen bisher nicht erzielbaren flauschigen Griff, der überraschenderweise auch beim Chemischreinigen und in der Wäsche nicht beeinträchtigt wird. Die nachgenadelten Produkte unterscheiden sich bereits äußerlich und auch in ihren Eigenschaften erheblich von bekannten Einlagestoffen. Insbesondere unterscheiden sie sich jedoch von solchen Vliesstoffen, die vor dem Binden mit Hilfe von Nadeln vorverfestigt sind. Derartige Vliesstoffe sind nicht nur unökonomischer herstellbar, sie weisen insbesondere nicht die flauschige und voluminöse Oberfläche des erfindungsgemäßen Einlagevliesstoffes auf. Während die vorgenadelten Vliesstoffe nach dem Verbügeln vielfach eine schlechtere Oberflächenglätte zeigen und für bestimmte Einsatzgebiete, z.B. in feinen Blusen, nicht verwendet werden können, sind die nachgenadelten Einlagevliesstoffe gemäß der Erfindung infolge ihrer guten Oberflächenglätte auf allen Gebieten einsatzfähig, wo erhöhte Anforderungen gestellt werden.The interlining materials according to the invention have a fluffy feel that has not previously been attainable, which surprisingly is not impaired even during dry cleaning and washing. The needled products already differ in appearance and in their properties considerably from known interlinings. In particular, however, they differ from those nonwovens that are pre-consolidated with the help of needles before binding. Such nonwovens are not only less economical to produce, they in particular do not have the fluffy and voluminous surface of the interlining nonwoven according to the invention. While the pre-needled nonwovens often show a poorer surface smoothness after ironing and for certain areas of application, e.g. in fine blouses, can not be used, the needled interlining nonwovens according to the invention are due to their good surface smoothness in all areas where increased demands are made.

Beispiel 1example 1

Auf einer Krempel wird ein Vlies gekrempelt mit einer Fasermischung aus 50 % Polyamid 6, 1,6 dtex, und 50 Gew. % Polyester 1,7 dtex.A fleece is carded onto a card with a fiber mixture of 50% polyamide 6, 1.6 dtex and 50% by weight polyester 1.7 dtex.

Dieses Vlies wird mittels Querleger auf ein Lattenband abgetafelt. Das Gewicht des Faserflores beträgt 24 g/m . Dieser Flor wird in ein Imprägnierwerk geführt und dort mit einer aufgeschäumten Mischung einer Polymerdispersion aus 90 Gew. % Butylacrylat, 6 Gew. % Acrylnitril und 4 Gew. % N-Methylolacrylamid, dem etwas Netzmittel und 1 Gewichtsteil fest auf fest Maleinsäure zugegeben ist, imprägniert, so daß 5 g/m2 Trockensubstanz aufgenommen werden. Der Bindemittelanteil liegt bei ca. 21 Gew. %. Die Breite ist 1 m, die Aufrollgeschwindigkeit 11 m/min.This fleece is laid down on a slatted belt by means of cross layers. The weight of the fiber pile is 24 g / m. This pile is led into an impregnation plant and impregnated there with a foamed mixture of a polymer dispersion of 90% by weight butyl acrylate, 6% by weight acrylonitrile and 4% by weight N-methylolacrylamide, to which some wetting agent and 1 part by weight are firmly added to solid maleic acid , so that 5 g / m 2 dry matter are absorbed. The proportion of binder is approx. 21% by weight. The width is 1 m, the winding speed is 11 m / min.

Dieser Vliesstoff wird dann durch einen Nadelstuhl mit 2 Brettern mit je 5000 Nadeln/m mit 38 Gauge und 3 Widerhaken pro Kante (9 Widerhaken pro 3 Kanten) geführt. Der Hub beträgt 1000/min, die Einstichtiefe 14 mm, alle 3 Widerhaken pro Kante durchstoßen den Vliesstoff. Die Durchlaufgeschwindigkeit liegt bei 24 m/min, die Zahl der Einstiche pro cm2 beträgt 38. Es entsteht ein einseitig flauschiges Material.This nonwoven is then passed through a needle chair with 2 boards with 5000 needles / m each with 38 gauge and 3 barbs per edge (9 barbs per 3 edges). The stroke is 1000 / min, the insertion depth is 14 mm, all 3 barbs per edge pierce the nonwoven fabric. The throughput speed is 24 m / min, the number of punches per cm 2 is 38. The result is a one-sided flausc h strength material.

Auf der glatten nicht flauschigen Oberfläche werden mit Hilfe des Siebdruckverfahrens 12 g/m2 trocken eines Copolyamidschmelzklebers in Dispersionsform aufgebracht, der ein Terpolymeres aus 25 % Nylon 6, 25 % Nylon 66 und 50 % Nylon 12 darstellt. Der Schmelzkleber wird mit einer 20 mesh-Schablone aufgetragen, getrocknet und angesintert. Dieser Vliesstoff kann mit einer Plattenpresse bei 350 mbar, 150° C und 10 Sekunden auf einen Oberstoff aus einem Polyester-Baumwoll-Gemisch verbügelt werden und ergibt einen sehr weichen, gefälligen für sein geringes Gewicht relativ vollen Griff und eine gute Oberflächenglätte der Gewebeoberseite. Er dient als aufbügelbarer Einlagestoff, z.B. für Popelineoberstoff, Blusenoberstoff usw.12 g / m 2 of a copolyamide hot-melt adhesive in dispersion form, which is a terpolymer of 25% nylon 6, 25% nylon 66 and 50% nylon 12, are applied to the smooth, non-fluffy surface using the screen printing process. The hot melt adhesive is applied with a 20 mesh stencil, dried and sintered. This nonwoven fabric can be ironed onto an outer fabric made of a polyester-cotton mixture with a plate press at 350 mbar, 150 ° C and 10 seconds and results in a very soft, pleasing handle that is relatively full for its low weight and good surface smoothness of the fabric top. It serves as an iron-on interlining, e.g. for poplin, blouse, etc.

Die Messung der Dicke des Vliesstoffes mit Haftmasse nach DIN Normentwurf 53 855 Teil 2 ergab 0,42 mm (Dicke ohne Nachnadeln 0,30 mm). Die Messung des Fallvermögens der mit dem selben Oberlaminierten Vliesstoffe nach DIN 54 306 ergab 50,1 %. Der niedrige Fallkoeffizient beweist eine größere Drapierfähigkeit und ein weicheres textiles Fallvermögen als dies bei herkömmlichen Einlagevliesstoffen der Fall ist.The measurement of the thickness of the nonwoven fabric with adhesive according to DIN draft standard 53 855 part 2 resulted in 0.42 mm (thickness without needles 0.30 mm). Measurement of the falling power of those with the same waiter Laminated nonwovens according to DIN 54 306 resulted in 50.1%. The low drop coefficient shows greater drapability and a softer textile drop capacity than is the case with conventional interlining nonwovens.

Beispiel 2Example 2

Auf einer Karde wird ein Vlies gekrempelt mit einer Fasermischung aus 30 % Nylon 66 mit einem Titer 1,7 dtex, 20 % Polyester mit einem Titer 3,3 dtex und 50 % einer Kern-Mantel Bikomponentenfaser, die zu 50 % aus Nylon 6 und 50 % aus Nylon 66 besteht und deren Titer ebenfalls 3,3 dtex beträgt. Dieses Vlies wird mittels Querleger auf ein Lattenband abgelegt. Anschließend wird das Vlies mit einem Kalander mit einer glatten Walze und einer gravierten Walze mit Punktdimensionen von 0,55· 0,8 · 0,65 mn sowie 30 Punkte/cm2 (Punktabstand in den waagerechten Reihen 2,1 mm, in den senkrechten Reihen 1,6 mm) bei einer Temperatur von 225° C und einem Druck von 50 kp/cm verschweißt. Die Auslaufgeschwindigkeit beträgt 10 m/min, das Gewicht des kalanderten Vliesstoffes 60 g/m2. Die Breite ist 1 m.On a card, a fleece is carded with a fiber mixture of 30% nylon 66 with a titer 1.7 dtex, 20% polyester with a titer 3.3 dtex and 50% of a core-sheath bicomponent fiber, which is made of 50% nylon 6 and 50% is made of nylon 66 and the titer is also 3.3 dtex. This fleece is placed on a slatted belt by means of cross layers. Then the fleece is calendered with a smooth roller and an engraved roller with dot dimensions of 0.55 x 0.8 x 0.65 mm and 30 dots / cm 2 (dot spacing in the horizontal rows 2.1 mm, in the vertical rows Rows 1.6 mm) welded at a temperature of 225 ° C and a pressure of 50 kp / cm. The outlet speed is 10 m / min, the weight of the calendered nonwoven is 6 0 g / m 2 . The width is 1 m.

Dieser Vliesstoff wird im Anschluß daran durch einen Nadelstuhl mit 2 Brettern mit je 5000 Nadeln/m mit 40 Gauge und 3 Widerhaken pro Kante (9 Widerhaken pro 3 Kanten) passieren gelassen. Der Hub ist 1000/min, die Einstichtiefe beträgt 14 mm; alle 3 Widerhaken pro Kante durchstoßen den Vliesstoff. Die Durchlaufgeschwindigkeit liegt bei 24 m/min, die Zahl der Einstiche pro cm2 beträgt 38. Es entsteht ein einseitig flauschiges Material, das sehr drapierfähig, weich und voluminös ist. Auf der glatten, nicht flauschigen Oberfläche werden mit Hilfe des Siebdruckverfahrens 23 g/m2 eines Copolyamidsdmelzklebers aus einer Dispersion aufgebracht, die ein Terpolymer aus 25 % Nylon 6, 25 % Nylon 66 und 50 % Nylon 12 darstellt. Der Schmelzkleber wird punktförmig aufgetragen, wobei der Punktdurchmesser 0,90 mn beträgt und 30 Punkte statistisch aufThis nonwoven fabric is then passed through a needle chair with 2 boards with 5000 needles / m each with 40 gauge and 3 barbs per edge (9 barbs per 3 edges). The stroke is 1000 / min, the penetration depth is 14 mm; all 3 barbs per edge pierce the nonwoven. The throughput speed is 24 m / min, the number of punches per cm 2 is 38. The result is a one-sided flausc h strength material which is very drapable, soft and bulky. 23 g / m 2 of a copolyamide hot-melt adhesive from a dispersion, which is a terpolymer of 25% nylon 6, 25% nylon 66 and 50% nylon 12, are applied to the smooth, non-fluffy surface using the screen printing method. The hot melt adhesive is applied in dots, the point diameter being 0.90 mm and 30 points statistically

einen cm2 verteilt sind, und anschließend getrocknet und angesintert. Dieser Vliesstoff kann mit einer Plattenpresse bei 350 mbar, 150° C und 10 Sekunden auf einem Cberstoff aus Polyester-Baumwolle 65/35 verbügelt werden und gibt einen sehr weichen gefälligen vollen Griff. Er dient als aufbügelbarer Einlagestoff für Mäntel, Kostüme, Herrenjacketts u.a.a cm 2 are distributed, and then dried and sintered. This nonwoven can be ironed with a plate press at 350 mbar, 150 ° C and 10 seconds on a polyester cotton 65/35 and gives a very soft and pleasant full grip. It serves as an iron-on interlining for coats, costumes, men's jackets, etc.

Beispiel 3 (Vergleichsversuch)Example 3

Ein Vliesstoff wird wie in Beispiel 2 hergestellt, ohne daß derselbe der erfindungsgemäßen Nachnadelungsprozedur unterzogen wird. Er ist härter, flacher und weniger drapierfähig als das Vergleichsmuster nach Beispiel 2 und auch der flauschige Charakter der Oberfläche fehlt.A nonwoven fabric is produced as in Example 2 without being subjected to the post-needling procedure according to the invention. It is harder, flatter and less drapable than the control sample of Example 2 and the flausc h owned character lacks the surface.

Auch das mit dem Oberstoff PE/BW 65 : 35 verbügelte Laminat zeigt einen deutlich flacheren und festeren Griff als in Beispiel 2.The laminate ironed with the outer fabric PE / BW 65: 35 also shows a much flatter and firmer grip than in example 2.

Beispiel 4 (Vergleichsversuch)Example 4

Ein Vlies der gleichen Zusammensetzung wie in Beispiel 2 und 3 wird kardiert, quergelegt und genadelt. Dabei werden folgende Bedingungen gewählt: 2 Nadelbretter (von oben eingenadelt), 6 m/min, 700 Hub, 12 nm Einstichtiefe. Dieses Vlies wird dann unter den gleichen Bedingungen wie in Beispiel 2 mit 10 m/min in einem Kalander mit gravierter und glatter Walze bei 225° verschweißt und in ähnlicher Art wie in Beispiel 2 mit Copolyamidschmelzkleber beschichtet. Der auf diese Weise erzeugte Vliesstoff ist etwas unruhiger als der nach Beispiel 2 und 3 erzeugte, ähnelt aber vor und nach dem Verbügeln in seinem harten und festen Griff dem Vliesstoff des Beispiels 3. Nach dem Verbügeln mit einem glatten Oberstoff ist die Oberfläche deutlich unruhiger. Alle 3 Muster werden mit einem Polyester-Baumwollgewebe 65/35 verbügelt, 3 x gereinigt nach DIN 54 303 Bl. 1 und 3 x gewaschen nach DIN 54 304 Bl. 1 und 53 920 Abschn. 4.3 (60°). Alle 3 Muster zeigen bei diesen Pflegebehandlungen nahezu ein gleiches Verhalten. Sie fusseln nur wenig aus, und die Laminate zeigen nur eine geringe Griffveränderung gegenüber dem Ausgangszustand. Die Dickenmessung des beschichteten Materials nach DIN Normentwurf 53 855 Teil 2 zeigte folgende Ergebnisse:

  • Beispiel 2 = 1,32 mm
  • Beispiel 3 = 1, 15 mm
  • Beispiel 4 = 1,12 mm
A fleece of the same composition as in Examples 2 and 3 is carded, laid crosswise and needled. The following conditions are selected: 2 needle boards (needled from above), 6 m / min, 700 stroke, 12 nm penetration depth. This fleece is then welded under the same conditions as in Example 2 at 10 m / min in a calender with an engraved and smooth roller at 225 ° and coated in a similar manner as in Example 2 with copolyamide hot melt adhesive. The nonwoven fabric produced in this way is somewhat more restless than that produced according to Examples 2 and 3, but resembles the nonwoven fabric of Example 3 before and after ironing in its hard and firm grip. After ironing with a smooth upper The surface of the fabric is much more restless. All 3 samples are ironed with a 65/35 polyester-cotton fabric, 3 x cleaned according to DIN 54 303 sheet 1 and 3 x washed according to DIN 54 304 sheet 1 and 53 920 section 4.3 (60 °). All 3 samples show almost the same behavior with these care treatments. They fluff little, and the laminates show only a slight change in grip compared to the initial state. The thickness measurement of the coated material according to DIN draft standard 53 855 part 2 showed the following results:
  • Example 2 = 1.32 mm
  • Example 3 = 1, 15 mm
  • Example 4 = 1.12 mm

Das Fallvermögen eines Laminates mit dem selben Oberstoff, mit dem "Cusick-Tester" nach DIN 54 306 gemessen, ergab:

  • Beispiel 2: 61,8 %
  • Beispiel 3: 69,4%
  • Beispiel 4: 72,2 %
The falling properties of a laminate with the same outer fabric, measured with the "Cusick Tester" according to DIN 54 306, showed:
  • Example 2: 61.8%
  • Example 3: 69.4%
  • Example 4: 72.2%

Der niedrige Fallkoeffizient zeigt den weicheren textilen Fall und die bessere Drapierfähigkeit.The low fall coefficient shows the softer textile fall and the better drapability.

Claims (2)

1. Einlagevliesstoff insbesondere für weiche, flauschige und voluminöse textile Oberstoffe bestehend aus Stapel- und/oder Endlosfasern, der mit Hilfe von Bindemitteln und/oder von the rmoplastisch erweichbaren Bindefasem verfestigt und gegebenenfalls ein- oder beidseitig an der Oberfläche mit einem Haftmittelmuster versehen ist, dadurch gekennzeichnet, daß der Vliesstoff nach der Verfestigung ein- oder beidseitig mit Filznadeln bis zu 20 bis 100 Einstichen/cm2 derart nachgenadelt ist, daß er an der Ausstichseite jeweils eine flauschige Oberfläche aufweist.1. interlining nonwoven fabric, in particular for soft, fluffy and voluminous textile outer fabrics consisting of staple and / or continuous fibers, which is consolidated with the aid of binders and / or the thermoplastic softenable binder fibers and optionally provided on one or both sides with an adhesive pattern on the surface, characterized in that the nonwoven fabric is needled on one or both sides with felting needles of up to 20 to 100 punctures / cm 2 such that it has a fluffy surface on the cut-out side. 2. Einlagevliesstoff nach Anspruch 1, dadurch gekennzeichnet, daß er einseitig nachgenadelt ist und auf der Einstichseite das Haftmittelmuster aufgedruckt oder aufgepudert ist.2. interlining nonwoven according to claim 1, characterized in that it is needled on one side and the adhesive pattern is printed or powdered on the insertion side.
EP19810101776 1980-08-28 1981-03-11 Lining felt Expired EP0046836B1 (en)

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AT81101776T ATE9826T1 (en) 1980-08-28 1981-03-11 INSERT NONWOVEN.

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DE19803032349 DE3032349A1 (en) 1980-08-28 1980-08-28 INLAY FABRIC
DE3032349 1980-08-28

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DE3032349A1 (en) 1982-03-04
EP0046836B1 (en) 1984-10-10
ATE9826T1 (en) 1984-10-15
DE3166543D1 (en) 1984-11-15
JPS633993B2 (en) 1988-01-27
ES505054A0 (en) 1982-12-01

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