DE102006006358A1 - Additional compression process for sewn non-woven textile materials involves applying water jets to one surface or both surfaces and forming part plaiting of fibers - Google Patents
Additional compression process for sewn non-woven textile materials involves applying water jets to one surface or both surfaces and forming part plaiting of fibers Download PDFInfo
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- DE102006006358A1 DE102006006358A1 DE102006006358A DE102006006358A DE102006006358A1 DE 102006006358 A1 DE102006006358 A1 DE 102006006358A1 DE 102006006358 A DE102006006358 A DE 102006006358A DE 102006006358 A DE102006006358 A DE 102006006358A DE 102006006358 A1 DE102006006358 A1 DE 102006006358A1
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- stitchbonded
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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
- D04H3/005—Synthetic yarns or filaments
- D04H3/009—Condensation or reaction polymers
- D04H3/011—Polyesters
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B21/00—Warp knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
- D04B21/14—Fabrics characterised by the incorporation by knitting, in one or more thread, fleece, or fabric layers, of reinforcing, binding, or decorative threads; Fabrics incorporating small auxiliary elements, e.g. for decorative purposes
- D04B21/145—Fabrics characterised by the incorporation by knitting, in one or more thread, fleece, or fabric layers, of reinforcing, binding, or decorative threads; Fabrics incorporating small auxiliary elements, e.g. for decorative purposes with stitches drawn from loose fibres, e.g. web-knitted 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
- D04H1/44—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
- D04H1/45—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 forming intermeshing loops or stitches from some of the 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
- D04H1/46—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
-
- 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
- D04H1/492—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 by fluid jet
-
- 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
- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
- D04H3/005—Synthetic yarns or filaments
- D04H3/007—Addition polymers
-
- 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
- D04H3/11—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 fluid jet
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Nonwoven Fabrics (AREA)
Abstract
Die Erfindung betrifft ein Verfahren zur zusätzlichen Verfestigung von Nähwirkvliesstoffen, wie Malivlies, Maliwatt, Kunit, Multiknit, Maliknit o. a., durch Faser- oder Fadenmaschen verfestigten Vliesen oder Faserfloren. Durch auf den Nähwirkvliesstoff einwirkende Wasserstrahlen werden zusätzliche Faserteilverschlingungen gebildet, die höhere Festigkeit, gleichmäßiges Festigkeits- und Dehnungsverhalten in Längs- und Querrichtung und/oder hohe Oberflächenbeständigkeit des Nähwirkvliesstoffes ergeben.The invention relates to a method for the additional strengthening of sewing nonwovens, such as Mali fleece, Maliwatt, Kunit, Multiknit, Maliknit or the like, nonwovens or fiber webs consolidated by fiber or thread mesh. By means of water jets acting on the sewing nonwoven, additional fiber part entanglements are formed which result in higher strength, uniform strength and elongation behavior in the longitudinal and transverse directions and / or high surface resistance of the sewing nonwoven.
Description
Die Erfindung betrifft ein Verfahren zur zusätzlichen Verfestigung von Nähwirkvliesstoffen, insbesondere solcher durch Faden- oder Fasermaschen verfestigten Nähwirkvliesstoffe vom Typ Maliwatt, Malivlies, Kunit, Multiknit, Maliknit, die vorzugsweise in technischen Erzeugnissen verwendet werden sollen.The The invention relates to a method for additional bonding of stitchbonded nonwoven fabrics, in particular those solidified by thread or fiber stitches Nähwirkvliesstoffe of the type Maliwatt, Malivlies, Kunit, Multiknit, Maliknit, preferably used in technical products.
Nähwirkvliesstoffe entstehen allgemein durch Übernähen oder Vermaschen von Einzelfaserfloren oder zum Vlies gelegten oder getäfelten Einzelfaserflorlagen auf speziellen Kettenwirkmaschinen, den Nähwirkmaschinen.Nähwirkvliesstoffe generally arise by over sewing or Meshing of single-fiber or non-woven laid or paneled single-fiber sheets on special warp knitting machines, the stitchbonding machines.
Dabei weisen die einzelnen Typen dieser Nähwirkvliesstoffe entsprechend dem Ausgangsmaterial und dem Verfahrensprinzip der Verfestigung im Festigkeitsverhalten in Längs- und Querrichtung große Unterschiede auf. Durch geringe Fasereinbindung beim Verfestigen auf den Nähwirkmaschinen haben diese Vliesstoffe oft eine ungenügende Oberflächenbeständigkeit bzw. Schnittkantenfestigkeit, die bei Verarbeitungs- und/oder Gebrauchsbeanspruchungen oft zum Ausflusen bzw. Austreten von Faserteilen oder Fasern führt.there have the individual types of stitchbonded nonwoven fabrics accordingly the starting material and the process principle of solidification in the strength behavior in longitudinal and transverse large Differences. Due to low fiber incorporation during solidification on the stitchbonding machines These nonwovens often have insufficient surface resistance or cut edge strength, in the case of processing and / or use stresses often leads to leakage or leakage of fiber parts or fibers.
Beim Maliwattverfahren wird das Vliesmaterial durch eine Vielzahl parallel verlaufender Fadennähte verfestigt. Da dabei die Faserstruktur im Vlies durch das Übernähen und Ausbilden von verfestigend wirkenden Fadenmaschen nicht verändert wird, sind die Faserteile im Vliesstoff nicht sehr fest miteinander verschlungen. An Schnittkanten und auf beiden Oberflächen entstehen dadurch bei Verarbeitung und Gebrauch unerwünschte hohe Ausflus- oder Abrieberscheinungen.At the Maliwatt method, the nonwoven material is parallel through a variety extending thread sutures solidified. In doing so, the fibrous structure in the nonwoven is solidified by over-stitching and forming acting thread stitches not changed is, the fiber parts in the nonwoven fabric are not very strong devoured. At cutting edges and on both surfaces arise thereby during processing and use undesirable high outflow or Abrieberscheinungen.
Beim Malivliesverfahren sind nur relativ wenige Faserteile des Ausgangsvlieses in den verfestigend wirkenden Fasermaschen eingebunden; je nach Stichlänge und Maschinenfeinheit sind dies ca. 5 bis 20 % der Gesamtfaserlänge des vorgelegten Vliesmaterials. Somit ergeben sich auch hier an den Schnittkanten und an den Vliesstoffoberflächen bei entsprechenden Beanspruchungen leichte Herauswanderungen von ungenügend im Querschnitt eingebundenen Faserteilen. Hinzu kommt, dass durch die Verwendung von Vliesen mit Querorientierung der Fasern, entstanden durch das Quertäfeln einen Krempelflores zum Vlies, im Vliesstoff selbst eine relativ geringe Festigkeit in Längsrichtung mit hoher Verformungsneigung vorliegen. Bei der Vermaschung eines längsorientierten Faserflores nach dem Kunitverfahren stellt nur ein geringer Anteil der im Kunit-Vliesstoff vorhandenen Faserlänge die Querverbindung zwischen den einzelnen benachbarten Maschenreihen her, während der andere, grössere Teil die vertikal abstehenden Polfaserfalten oder -büschel bildet. Dieser geringe Faseranteil in den verfestigend wirkenden Fasermaschen erbringt keine hohe Festigkeit des Nähwirkvliesstoffes, vor allem in Querrichtung, ergibt hohe Dehnungswerte und gibt dem Vliesstoff eine hohe Einrollneigung.At the Malivliesverfahren are only relatively few fiber parts of the starting fleece integrated into the strengthening fiber meshes; depending on stitch length and machine fineness, this is about 5 to 20% of the total fiber length of the submitted nonwoven material. Thus arise here on the Cut edges and on the nonwoven surfaces at appropriate stresses easy out-migration of insufficiently integrated in cross-section Fiber parts. In addition, through the use of nonwovens with transverse orientation of the fibers, created by the cross-paneling one Carding fleece to the fleece, in the nonwoven itself a relatively small Strength in the longitudinal direction present with a high tendency to deform. When meshing a longitudinally oriented Flunctiles according to the Kunitverfahren represents only a small proportion the existing in Kunit nonwoven fiber length, the cross-connection between the individual adjacent courses, while the other, larger part forming the vertically protruding pile fiber pleats or tufts. This low Fiber content in the strengthening fiber stitches yields no high strength of the stitchbonded nonwoven fabric, especially in the transverse direction, gives high elongation values and gives the Nonwoven fabric a high curl tendency.
Deshalb gibt es seit langem viele innovative Bemühungen, den für technische Anwendungen durchaus interessanten Nähwirkvliesstoffen verfahrenstechnische Effekte einer Strukturstabilisierung im Sinne einer Festigkeitserhöhung, Dehnungsreduzierung und/oder Abriebsbeständigkeitserhöhung zu verleihen.Therefore There have been many innovative efforts for a long time Applications quite interesting Nähwirkvliesstoffen procedural Effects of a structure stabilization in the sense of an increase in strength, reduction of elongation and / or abrasion resistance increase to lend.
Diese Möglichkeiten reichen von chemischen Verfestigungen durch Imprägnieren oder Pflatschen oder Aufsprühen von chemischen Bindemitteln über den Einsatz von thermoplastischen Bindefasern oder Bindeflächen mit nachfolgender thermischer Zusatzverfestigung bis hin zum zusätzlichen Einbringen von vertikalen Faserpfropfen durch Nachnadeln.These options range from chemical toughening through impregnation or patting or spray on from chemical binders over the use of thermoplastic binder fibers or bonding surfaces with Subsequent thermal additional consolidation up to additional Introduction of vertical Faserpfropfen by Nachnadeln.
So
werden in
In
Ein neues innovatives Verfahren in der Vliesverfestigung ist die Verwirbelung mit Wasserstrahlen. Bei dieser Wasserstrahlverwirbelung werden Vliese als unverfestigte Faserschichten mit vertikal auf die Vliesoberfläche auftreffenden Wasserstrahlen geringen Durchmessers und hohem Druckes behandelt. Diese Wasserstrahlen verdichten das Vlies und verwirbeln beim Durchgang durch das Vlies Faserteile unter- bzw. miteinander verfestigend in Form von Verschlingungen. Es entstehen Vliesstoffe mit hoher Festigkeit und relativ geringer Dicke.A new innovative process in web bonding is the swirling with water jets. In this water jet fluidization, nonwovens are treated as unconsolidated fiber layers with small diameter and high pressure water jets impinging vertically on the nonwoven surface. These jets of water compact the fleece and, as they pass through the fleece, cause the fibers to become entangled with one another in the form of entanglements. It produces nonwovens with high strength and relatively clotting ger thickness.
In
In
Als Anwendung solcher Verbunde wird der Filterbereich angegeben Erfindungsgemäß besteht die Aufgabe der Erfindung darin, unter Beseitigung der aufgeführten Nachteile einen Nähwirkvliesstoff mit hoher Festigkeit und/oder hoher Isotropie der Festigkeit in Längs- und Querrichtung und/oder hoher Oberflächenbeständigkeit auf einfache Art kostengünstig herzustellen.When Application of such compounds, the filter area is specified according to the invention the object of the invention is to eliminate the disadvantages listed a stitchbonded nonwoven fabric with high strength and / or high isotropy of strength in Along- and transverse direction and / or high surface resistance in a simple manner inexpensive to manufacture.
Die Lösung der Aufgabenstellung erfordert erfindungsgemäß einen verfahrenstechnischen Weg zum Eintrag zusätzlicher verfestigend wirkender Faserteilverschlingungen auf der oder auf den Oberflächen und/oder im Querschnitt des Nähwirkvliesstoffes.The solution The task requires according to the invention a procedural Way to entry additional solidifying Faserteilverschlingungen on or on the surfaces and / or in cross-section of the stitchbonded nonwoven fabric.
Erfindungsgemäß wird diese Aufgabe durch die in Anspruch 1 aufgezeigten Merkmale gelöst. Vorteilhafte Ausführungen sind in Unteransprüchen enthalten.According to the invention this Problem solved by the features indicated in claim 1. advantageous versions are in dependent claims contain.
Mit dem erfindungsgemäßen Verfahren wird erreicht, dass damit in eine an sich bekannte Vliesstoffstruktur mit einer oder zwei Maschenoberflächen, die aus Fäden oder aus Fasern besteht, durch die zusätzliche Anwendung eines bekannten mecha nischen Vliesverfestigungsverfahren des Verwirbelns mit Wasserstrahlen verfestigend wirkende Faserteilverschlingungen eingetragen werden. Diese ergeben positive Effekte hinsichtlich einer Erhöhung der Festigkeit, der Isotropie im Zug- und Dehnungsverhalten und einer Verbesserung der Oberflächenbeständigkeit gegen Faseraustrag, Eigenschaftsveränderungen, die so zu Einsatzerweiterungen dieser Nähwirkvliesstoffe beitragen.With the method according to the invention is achieved that thus in a per se known nonwoven structure with one or two mesh surfaces made of threads or consists of fibers, by the additional application of a known Mechanical web-bonding process of vortexing with water jets solidifying Faserteilverschlingungen be entered. These result in positive effects with regard to increasing the Strength, the isotropy in the tensile and elongation behavior and a Improvement of surface resistance against fiber discharge, property changes, which thus become insert extensions this Nähwirkvliesstoffe contribute.
Die Erfindung wird nachstehend anhand von Zeichnungen und Ausführungsbeispielen näher beschrieben. Die Zeichnungen zeigen inThe Invention will be described below with reference to drawings and exemplary embodiments described in more detail. The drawings show in
Wie
in
Allgemein
wird die Anzahl solcher Faserteilverschlingungen
Die
als Effekt des erfindungsgemäßen Verfahrens
zur zusätzlichen
Verfestigung von Nähwirkvliesstoffen
- – Konstruktionsparameter
des Nähwirkvliesstoffes
3 , wie Masse je Flächeneinheit, Faserart, Faserdurchmesser, Faserlänge, Faserkräuselung, Maschinenfeinheit als Maß für die Fadenmaschenanzahl in Querrichtung, Stichlänge als Maß für die Fadenmaschenanzahl in Längsrichtung, Fadenart, Fadenfeinheit, Bindung, - – Prozessparameter der Wasserstrahlverwirbelung, wie Düsendurchmesser, Wasserstrahldruck, Anzahl Düsen je Düsenleiste, Anzahl Düsenleisten, Einwirkungsseite der Wasserstrahlen.
- - Design parameters of the stitchbonded nonwoven fabric
3 , such as mass per unit area, type of fiber, fiber diameter, fiber length, fiber crimping, machine fineness as a measure of the number of thread meshes in the transverse direction, stitch length as a measure of the number of thread meshes in the longitudinal direction, type of thread, thread count, binding, - - Process parameters of water jet turbulence, such as nozzle diameter, water jet pressure, number of nozzles per nozzle bar, number of nozzle strips, impact side of the water jets.
In
Der
Nähwirkvliesstoff
Kunit
In
Der
Nähwirkvliesstoff
Malivlies
Wie
dieser schematische Querschnitt der
Nach
einer Weiterbildung der Erfindung können statt Wasserstrahlen auch
Luftstrahlen die verfahrenstechnischen Aufgaben der Anordnung zusätzlicher
Faserteilverschlingungen
Beim
Einsatz von Nähwirkvliesstoffen
1. Ausführungsbeispiel1st embodiment
Ein Nähwirkvliesstoff vom Typ Kunit soll für den Verwendungszweck eines Vlies stoffträgers für Klebebänder nach dem erfindungsgemäßen Verfahren so zusatzverfestigt werden, dass in Längs- und Querrichtung des Nähwirkvliesstoffes ein Mindestwert der Höchstzugkraft von 300 N/5cm erreicht wird und die Dicke des Nähwirkvliesstoffes nach der Zusatzverfestigung mindestens 2,4 mm beträgt.One Nähwirkvliesstoff of type Kunit should for the intended use of a nonwoven fabric carrier for adhesive tapes according to the inventive method be so zusatzverfestigt that in the longitudinal and transverse directions of the Nähwirkvliesstoffes a minimum value of maximum traction of 300 N / 5cm and the thickness of the stitchbonded nonwoven fabric after the Additional consolidation is at least 2.4 mm.
Die
Konstruktionsdaten des Nähwirkvliesstoffes
Kunit sind:
Flormaterial: 100 % Polyesterfasern der Feinheit
4,4 dtex,
Flormasse : 45 g/m2,
Maschinenfeinheit:
18 F, dies entspricht ca. 7,2 Fasermaschen je cm Vliesstoffbreite,
Stichlänge: 2,0
mm, dies entspricht ca. 5 Fasermaschen je cm Vliesstofflänge,
Schwinghub:
34 mm,
Vliesstoffmasse: 340 g/m2.The design data of the stitchbonded nonwoven Kunit are:
Pile material: 100% polyester fibers of fineness 4.4 dtex,
Flore mass: 45 g / m 2 ,
Machine fineness: 18 F, this corresponds to approx. 7.2 fiber meshes per cm of nonwoven width,
Stitch length: 2.0 mm, this corresponds to approx. 5 fiber stitches per cm of nonwoven fabric length,
Swinging stroke: 34 mm,
Nonwoven fabric mass: 340 g / m 2 .
Der
Nähwirkvliesstoff
Düsenlochdurchmesser:
0,14 mm,
Wasserstrahldruck: 6,0 MPa,
Durchlaufgeschwindigkeit:
10,0 m/min,
Anzahl Düsenbalken:
8.The stitchbonded nonwoven fabric
Nozzle hole diameter: 0.14 mm,
Water jet pressure: 6.0 MPa,
Throughput speed: 10.0 m / min,
Number of nozzle bars: 8.
Im entstandenen wasserstrahlverwirbelten Nähwirkvliesstoff vom Typ Kunit wurden durch diese Wasserstrahlverwirbelung zusätzlich ca. 180 Faserverschlingungen angeordnet, dieser verfestigend wirkende Effekt führte neben folgenden Festigkeitserhöhungen und Dehnungsreduzierungen des Nähwirkvliesstoffes vor allem zu einer höheren Scheuerbeständigkeit, die damit einem optimalen Einsatz als Vliesstoffträger für textile Klebebänder entsprechen: About 180 fiber entanglements were additionally arranged in the resulting water-jet-twisted stitchbonded non-woven fabric of the Kunit type by this water-jet turbulence. This strengthening effect led not only to the following strength increases and elongation reductions of the stitchbonded nonwoven fabric, but above all to higher abrasion resistance, which thus corresponds to optimum use as a nonwoven substrate for textile adhesive tapes:
2. Ausführungsbeispiel2nd embodiment
Ein Nähwirkvliesstoff vom Typ Malivlies soll für den Verwendungszweck eines Geovliesstoffes mit den Funktionen Trennen und Filtern so zusatzverfestigt werden, dass bei einer Masse je Flächeneinheit von 200 g/m2 die erforderlichen Höchstzugkräfte in Längs- und Querrichtung von 16 kN/m bei Höchstzugkraftdehnungen unter 80 % erreicht werden.A stitchbonded nonwoven fabric of the Malivlies type is to be additionally consolidated for the purpose of a geotextile with the functions separating and filtering such that the required maximum tensile forces in the longitudinal and transverse direction of 16 kN / m at a tensile strength per unit area of 200 g / m 2 are below 80 % can be achieved.
Die
Konstruktionsdaten des Nähwirkvliesstoffes
Malivlies sind:
Fasermaterial: 100 % Polypropylenfasern der
Feinheit 6,7 dtex und 60 mm Länge,
Vliesmasse:
220 g/m2,
Maschinenfeinheit: 18 F,
dies entspricht ca. 7,2 Fasermaschen je cm Vliesstoffbreite,
Stichlänge: 1,8
mm, dies entspricht ca. 5,6 Fasermaschen je cm Vliesstofflänge.The design data of the stitchbonded nonwoven fabric Malivlies are:
Fiber material: 100% polypropylene fibers of fineness 6,7 dtex and 60 mm length,
Fleece mass: 220 g / m 2 ,
Machine fineness: 18 F, this corresponds to approx. 7.2 fiber meshes per cm of nonwoven width,
Stitch length: 1.8 mm, this corresponds to approx. 5.6 fiber mesh per cm of nonwoven fabric length.
Der
Nähwirkvliesstoff
Düsenlochdurchmesser:
0,12 mm,
Wasserstrahldruck: 10,0 MPa,
Durchlaufgeschwindigkeit:
25,0 m/min,
Anzahl Düsenbalken:
6.The stitchbonded nonwoven fabric
Nozzle hole diameter: 0.12 mm,
Water jet pressure: 10.0 MPa,
Throughput speed: 25.0 m / min,
Number of nozzle bars: 6.
Im entstandenen wasserstrahlverwirbelten Nähwirkvliesstoff vom Typ Malivlies wurden durch diese Wasserstrahlverwirbelung zusätzlich ca. 60 Faserverschlingungen angeordnet, dieser verfestigend wirkende Effekt führte zu den folgenden Festigkeitserhöhungen und Dehnungsreduzierungen des Nähwirkvliesstoffes, die den Anforderungen als Geovliesstoff entsprechen: In the resulting water-jet-knitted stitchbonded nonwoven fabric of the Malivlies type, about 60 fiber entanglements were additionally arranged by this water-jet turbulence; this strengthening effect led to the following strength increases and elongation reductions of the stitchbonded nonwoven fabric which meet the requirements as a geotextile:
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102006006358A DE102006006358A1 (en) | 2006-02-11 | 2006-02-11 | Additional compression process for sewn non-woven textile materials involves applying water jets to one surface or both surfaces and forming part plaiting of fibers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102006006358A DE102006006358A1 (en) | 2006-02-11 | 2006-02-11 | Additional compression process for sewn non-woven textile materials involves applying water jets to one surface or both surfaces and forming part plaiting of fibers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE102006006358A1 true DE102006006358A1 (en) | 2007-08-23 |
Family
ID=38288633
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE102006006358A Ceased DE102006006358A1 (en) | 2006-02-11 | 2006-02-11 | Additional compression process for sewn non-woven textile materials involves applying water jets to one surface or both surfaces and forming part plaiting of fibers |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE102006006358A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008097429A1 (en) * | 2007-02-07 | 2008-08-14 | Milliken & Company | Nonwoven towel with microsponges |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19804940A1 (en) * | 1998-02-07 | 1999-08-12 | Saechsisches Textilforsch Inst | Compound fabric structure for filters, etc. |
| DE10034113A1 (en) * | 2000-07-13 | 2002-01-31 | Freudenberg Carl Fa | Voluminous nonwoven |
| DE102004027802A1 (en) * | 2004-06-08 | 2006-01-05 | Tex Innovation Ltd. | Active material article of cotton or mixed fibers, useful for medical, technical or cosmetic applications, comprises covering layers of interconnected fibers that enclose an active material |
-
2006
- 2006-02-11 DE DE102006006358A patent/DE102006006358A1/en not_active Ceased
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19804940A1 (en) * | 1998-02-07 | 1999-08-12 | Saechsisches Textilforsch Inst | Compound fabric structure for filters, etc. |
| DE10034113A1 (en) * | 2000-07-13 | 2002-01-31 | Freudenberg Carl Fa | Voluminous nonwoven |
| DE102004027802A1 (en) * | 2004-06-08 | 2006-01-05 | Tex Innovation Ltd. | Active material article of cotton or mixed fibers, useful for medical, technical or cosmetic applications, comprises covering layers of interconnected fibers that enclose an active material |
Non-Patent Citations (1)
| Title |
|---|
| SCHMALZ,E.,u.a.: Hycoknit - Filtermaterial für regenerierbare Taschenluftfilter. In: Technische Textilien,47,2004,S.142-145; * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008097429A1 (en) * | 2007-02-07 | 2008-08-14 | Milliken & Company | Nonwoven towel with microsponges |
| US7426776B2 (en) | 2007-02-07 | 2008-09-23 | Milliken & Company | Nonwoven towel with microsponges |
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