EP1877607B1 - Textile sheet material and protective clothing containing said sheet material - Google Patents

Textile sheet material and protective clothing containing said sheet material Download PDF

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Publication number
EP1877607B1
EP1877607B1 EP20060724479 EP06724479A EP1877607B1 EP 1877607 B1 EP1877607 B1 EP 1877607B1 EP 20060724479 EP20060724479 EP 20060724479 EP 06724479 A EP06724479 A EP 06724479A EP 1877607 B1 EP1877607 B1 EP 1877607B1
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EP
European Patent Office
Prior art keywords
textile fabric
fabric according
yarn
twisted
twisted thread
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.)
Active
Application number
EP20060724479
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German (de)
French (fr)
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EP1877607A1 (en
EP1877607B9 (en
Inventor
Regine Maria Zumloh
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.)
Teijin Aramid GmbH
Original Assignee
Teijin Aramid 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 Teijin Aramid GmbH filed Critical Teijin Aramid GmbH
Priority to EP20060724479 priority Critical patent/EP1877607B9/en
Priority to PL06724479T priority patent/PL1877607T3/en
Priority to SI200630605T priority patent/SI1877607T1/en
Publication of EP1877607A1 publication Critical patent/EP1877607A1/en
Publication of EP1877607B1 publication Critical patent/EP1877607B1/en
Application granted granted Critical
Publication of EP1877607B9 publication Critical patent/EP1877607B9/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
    • D02G3/02—Yarns or threads characterised by the material or by the materials from which they are made
    • D02G3/04—Blended or other yarns or threads containing components made from different materials
    • D02G3/047—Blended or other yarns or threads containing components made from different materials including aramid fibres
    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
    • D02G3/44—Yarns or threads characterised by the purpose for which they are designed
    • D02G3/442—Cut or abrasion resistant yarns or threads
    • 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
    • D04B1/22—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 specially adapted for knitting goods of particular configuration
    • D04B1/24—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 specially adapted for knitting goods of particular configuration wearing apparel
    • D04B1/28—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 specially adapted for knitting goods of particular configuration wearing apparel gloves
    • 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
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913—Rod, strand, filament or fiber
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913—Rod, strand, filament or fiber
    • Y10T428/2915—Rod, strand, filament or fiber including textile, cloth or fabric
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913—Rod, strand, filament or fiber
    • Y10T428/2929—Bicomponent, conjugate, composite or collateral fibers or filaments [i.e., coextruded sheath-core or side-by-side type]
    • 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
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    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913—Rod, strand, filament or fiber
    • Y10T428/2929—Bicomponent, conjugate, composite or collateral fibers or filaments [i.e., coextruded sheath-core or side-by-side type]
    • Y10T428/2931—Fibers or filaments nonconcentric [e.g., side-by-side or eccentric, etc.]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913—Rod, strand, filament or fiber
    • Y10T428/2973—Particular cross section
    • 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
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    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913—Rod, strand, filament or fiber
    • Y10T428/2973—Particular cross section
    • Y10T428/2976—Longitudinally varying
    • 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.]
    • Y10T442/30—Woven fabric [i.e., woven strand or strip material]
    • Y10T442/3008—Woven fabric has an elastic quality
    • 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
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    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/30—Woven fabric [i.e., woven strand or strip material]
    • Y10T442/3008—Woven fabric has an elastic quality
    • Y10T442/3024—Including elastic strand or strip
    • 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
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    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/30—Woven fabric [i.e., woven strand or strip material]
    • Y10T442/3065—Including strand which is of specific structural definition
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
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    • Y10T442/30—Woven fabric [i.e., woven strand or strip material]
    • Y10T442/3065—Including strand which is of specific structural definition
    • Y10T442/313—Strand material formed of individual filaments having different chemical compositions
    • 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
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    • Y10T442/30—Woven fabric [i.e., woven strand or strip material]
    • Y10T442/3146—Strand material is composed of two or more polymeric materials in physically distinct relationship [e.g., sheath-core, side-by-side, islands-in-sea, fibrils-in-matrix, etc.] or composed of physical blend of chemically different polymeric materials or a physical blend of a polymeric material and a filler material
    • 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
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    • Y10T442/30—Woven fabric [i.e., woven strand or strip material]
    • Y10T442/3382—Including a free metal or alloy constituent
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    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/30—Woven fabric [i.e., woven strand or strip material]
    • Y10T442/3382—Including a free metal or alloy constituent
    • Y10T442/339—Metal or metal-coated strand
    • 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
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    • Y10T442/40—Knit fabric [i.e., knit strand or strip material]
    • Y10T442/413—Including an elastic strand
    • 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
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    • Y10T442/40—Knit fabric [i.e., knit strand or strip material]
    • Y10T442/425—Including strand which is of specific structural definition
    • Y10T442/438—Strand material formed of individual filaments having different chemical compositions
    • 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
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    • Y10T442/40—Knit fabric [i.e., knit strand or strip material]
    • Y10T442/444—Strand is a monofilament composed of two or more polymeric materials in physically distinct relationship [e.g., sheath-core, side-by-side, islands-in-sea, fibrils-in-matrix, etc.] or composed of physical blend of chemically different polymeric materials or a physical blend of a polymeric material and a filler material
    • 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
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    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/40—Knit fabric [i.e., knit strand or strip material]
    • Y10T442/475—Including a free metal or alloy constituent

Definitions

  • the present invention relates to a fabric and a protective clothing containing the fabric.
  • Cut-resistant textile fabrics are known.
  • the publication US 6,534,175 B1 discloses a cut-resistant material, wherein in the cut-resistant material, a metal fiber has been processed.
  • the metal fiber is encased by staple fiber, the staple fibers are also cut resistant.
  • the yarn used for the cut-resistant material thus has a so-called sheath / core construction, ie a sheath / core construction.
  • WO 2005/042816 A1 discloses a cut-resistant material, wherein the cut-resistant material is formed from at least two yarns.
  • the first yarn consists of a cut-resistant staple fiber and at least one elastomeric filament.
  • the second yarn is a sheath / core construction with cut-resistant staple fibers and non-organic fibers.
  • non-organic fibers for example, metal fibers are proposed
  • EP-A 0 445 872 describes a protective garment made by weaving, braiding or knitting a twisted composite yarn, wherein the composite yarn comprises at least one wire strand and a spun yarn of a polyolefin having an average molecular weight of at least 600,000 g / mol.
  • the protective clothing produced with this composite yarn has a certain flexibility.
  • the object of the present invention is to provide a textile fabric which, with increased flexibility, does not have any penetration of protective effect.
  • a textile fabric comprising at least a first and a second twisted yarn, wherein the first and the second twisted yarn contain as a component at least one cut-resistant yarn, and the second twisted yarn contains as a further component a non-cut-resistant yarn, and wherein the non-cut yarn of the second twisted yarn is made of elastofibres.
  • a cut-resistant or non-cut-resistant yarn is to be understood as meaning a yarn which, processed into a fabric having a basis weight of 800 g / m 2, has a cut resistance of ⁇ 1 or ⁇ 1 determined in accordance with DIN EN 388 ,
  • the textile fabric according to the invention shows in comparison to the prior art mentioned at the beginning an increased flexibility with at least the same high cut resistance, which was measured according to DIN EN 388.
  • the first and second twisted yarns may contain as a cut-resistant component at least one filament yarn which may be textured and has a denier ranging, for example, from 20 to 2000 dtex.
  • the first and second twine contain at least one staple fiber yarn whose titer is, for example, in a range of 140 to 3500 dtex.
  • the staple fiber yarn is made of an aromatic polyamide, for example, consists of a p-aramid such as Twaron ® or from a polyolefin having an average molecular weight of at least 600,000 g / mol, for example, a polyethylene such as Dyneema ® or from a polypropylene.
  • staple fibers of other materials may have been added to the aforementioned staple fiber yarns in their manufacture in an amount which does not substantially affect the cut resistance of the staple fiber yarn.
  • Such staple fibers of other materials may be, for example, fibers of an aliphatic polyamide, a polyester, a polylactic acid or fibers of wool or cotton.
  • the first twist of the textile fabric according to the invention contains as further component at least one filament of a cut-resistant material, which particularly preferably consists of steel, ceramic, basalt, aluminum, copper, brass, silver, bronze or glass. Staple fibers from the same materials can also be used as a further component of the first twist.
  • a cut-resistant material which particularly preferably consists of steel, ceramic, basalt, aluminum, copper, brass, silver, bronze or glass. Staple fibers from the same materials can also be used as a further component of the first twist.
  • the non-cut-resistant yarn of the second twisted yarn consists of elastofibres, ie of fibers which are extremely elastic and largely return to their original state after the tensile force has been eliminated.
  • the elastofibers preferably have a titre in the range of 17 to 156 dtex.
  • neither the first twist nor the second twist has a jacket / core construction.
  • the first twisted yarn consists of a steel filament and an aramid staple fiber yarn.
  • the first twine consists of a steel filament and two Aramidstapelfasergarnen.
  • the first twine consists of a steel filament and four aramid staple fiber yarns.
  • the second thread consists of an elastane yarn and an aramid staple fiber yarn.
  • the second twine consists of an elastane yarn and two aramid staple fiber yarns.
  • the first twisted yarn consists of one or two steel filaments and four Aramidstapelfasergarnen and the second twist of a Elastangarn and two Aramidstapelfasergarnen.
  • the at least first and second thread are preferably processed together, particularly preferably knitted, knitted, braided or woven.
  • the at least two threads can therefore be fed together and simultaneously to a knitting, braiding or weaving machine and processed into the textile fabric according to the invention.
  • the at least two threads can be fed and processed in a parallel arrangement or else twisted or twisted around each other.
  • Preferred embodiments of the protective clothing according to the invention are gloves, aprons, trousers, jackets, cuffs, hoses, hose jackets or vandalism resistant articles, such as e.g. Seats.
  • a first twist is first made in a two-step twisting process.
  • two filaments of metal filament (titers each 150 dtex), which are available under the name Bekinox from Bekaert, and two staple fiber yarns (titers each 357 dtex) from p-aramid, which under the name Twaron of the Company Teijin Twaron are available, twisted.
  • the resulting twist is then twisted in the second stage with two twisted p-aramid staple fiber yarns of the aforementioned type, whereby the first twist is obtained.
  • the first and second twine are fed together and in parallel to a knitting machine and knitted into a glove with a needle spacing of 7 needles per 2.54 cm.
  • the glove has a weight of 32.9 g, a basis weight of 508 g / m 2 , a knit thickness of 1.74 mm and in sticks and row has a mesh density of 4 stitches per cm.
  • gloves were made, referred to hereinafter as Type I gloves.
  • gloves made according to the invention have a higher cut resistance than gloves known from the prior art. Moreover, gloves made in accordance with the present invention have greater flexibility, i. a higher wearing comfort than known from the prior art gloves.
  • a first twist is first made in a two-step twisting process.
  • two filaments of metal filament (titers each 150 dtex), which are available under the name Bekinox from Bekaert, and two staple fiber yarns (titers 200 dtex each), 70% by weight of polylactic acid (PLA ) Staple fibers, available under the name Ingeo from Cargill Dow, and consisting of 30% by weight of p-aramid staple fibers available under the name Twaron from Teijin Twaron.
  • PVA polylactic acid
  • Twaron Teijin Twaron
  • PVA polylactic acid
  • the first and second twine are fed together and in parallel to a knitting machine and knitted into a glove with a needle spacing of 7 needles per 2.54 cm.
  • the glove has a weight of 20.6 g, a basis weight of 360 g / m 2 , a knit thickness of 1.56 mm and has a mesh density of 5.5 sticks / cm and 3.5 rows / cm.
  • a first twist is first produced in a one-step twisting process.
  • two filaments of metal filament (titers each 150 dtex), which are available under the name Bekinox from Bekaert, and two textured filament yarns (titers each 550 dtex) from p-aramid, under the name Twaron from Teijin Twaron are available, twisted.
  • the first and second twine are fed together and in parallel to a knitting machine and knitted into a glove with a needle spacing of 7 needles per 2.54 cm.
  • the glove has a weight of 24.9 g, a basis weight of 479 g / m 2 , a knitting thickness of 2.1 mm and has a mesh density of 3.5 rows / cm and 6.5 rods / cm.
  • a first twist is first produced in a one-step twisting process.
  • a thread made of metal filament which is available under the name Bekinox from Bekaert
  • two staple fiber yarns (titers 200 dtex) from p-aramid, which are available under the name Twaron from Teijin Twaron are, twisted.
  • the first and second twine are fed together and in parallel to a knitting machine and with a needle spacing of 13 needles per 2.54 cm to one Glove entangled.
  • the glove has a weight of 20.9 g, a basis weight of 347 g / m 2 , a knit thickness of 1.21 mm and has a stitch density of 8 stitches per cm in the billet direction and a mesh density of 6.5 stitches per cm in the row direction on.
  • Example 3 shows that gloves according to the invention can be produced which have a cut resistance in the third highest performance level with a very high wearing comfort and with a very high dexterity, i. with a very high mobility and grasping ability, unite.
  • a first twist is first produced in a one-step twisting process.
  • two threads of metal filament (titers each 150 dtex), which are available under the name Bekinox from Bekaert, and four staple fiber yarns (titers each 357 dtex) from p-aramid, which are available under the name Twaron from Teijin Twaron are, twisted.
  • the first and second twine are fed together and in parallel to a knitting machine and knitted into a glove with a needle spacing of 7 needles per 2.54 cm.
  • the glove has a weight of 32.9 g, a basis weight of 508 g / m 2 , a knit thickness of 1.74 mm and in sticks and row has a mesh density of 4 stitches per cm.
  • Gloves were produced in the manner just described and the cut resistance was measured in accordance with DIN EN 388.
  • the gloves produced a lowest average cut index of 20.9 for ten measurements, which corresponds to the highest level 5.
  • the lowest individual index is 13.1.
  • these gloves are classified in terms of cut resistance in the second highest performance level 4.
  • gloves made according to the invention have a higher cut resistance than gloves known from the prior art. Moreover, gloves made in accordance with the present invention have greater flexibility, i. a higher wearing comfort than known from the prior art gloves.
  • a first twist is first produced in a one-step twisting process.
  • two filaments of metal filament (titers each 150 dtex), which are available under the name Bekinox from Bekaert, and four staple fiber yarns (titers each 200 dtex) containing up to 70 wt .-% of polylactic acid (PLA) staple fibers, the available under the name Ingeo from Cargill Dow, and consisting of 30% by weight of p-aramid staple fibers available under the name Twaron from Teijin Twaron.
  • PLA polylactic acid
  • PVA polylactic acid
  • the first and second twine are fed together and in parallel to a knitting machine and knitted into a glove with a needle spacing of 7 needles per 2.54 cm.
  • the glove has a weight of 20.6 g, a basis weight of 360 g / m 2 , a knit thickness of 1.56 mm and has a mesh density of 5.5 sticks / cm and 3.5 rows / cm.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Knitting Of Fabric (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Gloves (AREA)
  • Professional, Industrial, Or Sporting Protective Garments (AREA)
  • Laminated Bodies (AREA)
  • Decoration Of Textiles (AREA)
  • Details Of Garments (AREA)
  • Woven Fabrics (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)

Abstract

A textile fabric is presented comprising at least a first and a second twisted thread, the first and the second twisted threads containing at least one cut resistant yarn as one component, and the second twisted thread containing a non-cut resistant yarn as a further component, and the non-cut resistant yarn of the second twisted thread consisting of elastomeric fibers. Further, protective clothing is presented, which contains the textile fabric.

Description

Die vorliegende Erfindung betrifft ein textiles Flächengebilde und ein das Flächengebilde enthaltende Schutzkleidung.The present invention relates to a fabric and a protective clothing containing the fabric.

Schnittfeste textile Flächengebilde sind bekannt. Die Druckschrift US 6,534,175 B1 offenbart ein schnittfestes Material, wobei im schnittfesten Material eine Metallfaser verarbeitet wurde. Die Metallfaser wird dabei mittels Stapelfaser ummantelt, wobei die Stapelfasern ebenfalls schnittfest sind. Das verwendete Garn für das schnittfeste Material weist somit eine sogenannte sheath/core-Konstruktion, also eine Mantel/Kern-Konstruktion, auf. In der nicht vorveröffentlichten Druckschrift WO 2005/042816 A1 wird ein schnittfestes Material offenbart, wobei das schnittfeste Material aus mindestens zwei Garnen gebildet wird. Das erste Garn besteht aus einer schnittfesten Stapelfaser und wenigstens einem elastomeren Filament. Das zweite Garn besteht aus einer sheath/core-Konstruktion mit schnittfesten Stapelfasern und nicht organischen Fasern. Als nicht organische Fasern werden beispielsweise Metallfasern vorgeschlagen Die Druckschrift EP-A 0 445 872 beschreibt eine Schutzkleidung, die durch Weben, Flechten oder Stricken eines verdrillten Verbundgarnes hergestellt wurde, wobei das Verbundgarn zumindest einen Drahtstrang und ein Spinnfasergarn aus einem Polyolefin mit einer mittleren Molmasse von zumindest 600 000 g/mol umfasst. Zwar weist die mit diesem Verbundgarn hergestellte Schutzkleidung eine gewisse Flexibilität auf. Jedoch besteht ein Bedarf nach Schutzkleidung mit noch höherer Flexibilität, wobei aber die Schutzwirkung nicht nachlassen soll. Daher stellt sich die vorliegende Erfindung die Aufgabe, ein textiles Flächengebilde zur Verfügung zu stellen, das bei erhöhter Flexibilität keine Einbuse an Schutzwirkung aufweist.Cut-resistant textile fabrics are known. The publication US 6,534,175 B1 discloses a cut-resistant material, wherein in the cut-resistant material, a metal fiber has been processed. The metal fiber is encased by staple fiber, the staple fibers are also cut resistant. The yarn used for the cut-resistant material thus has a so-called sheath / core construction, ie a sheath / core construction. In the non-prepublished publication WO 2005/042816 A1 discloses a cut-resistant material, wherein the cut-resistant material is formed from at least two yarns. The first yarn consists of a cut-resistant staple fiber and at least one elastomeric filament. The second yarn is a sheath / core construction with cut-resistant staple fibers and non-organic fibers. As non-organic fibers, for example, metal fibers are proposed EP-A 0 445 872 describes a protective garment made by weaving, braiding or knitting a twisted composite yarn, wherein the composite yarn comprises at least one wire strand and a spun yarn of a polyolefin having an average molecular weight of at least 600,000 g / mol. Although the protective clothing produced with this composite yarn has a certain flexibility. However, there is a need for protective clothing with even greater flexibility, but the protective effect should not be relieved. Therefore, the object of the present invention is to provide a textile fabric which, with increased flexibility, does not have any penetration of protective effect.

Diese Aufgabe wird gelöst durch ein textiles Flächengebilde bestehend aus mindestens einem ersten und einem zweiten Zwirn, wobei der erste und der zweite Zwirn als eine Komponente mindestens ein schnittfestes Garn enthalten, und der zweite Zwirn als weitere Komponente ein nicht-schnittfestes Garn enthält, und wobei dass das nicht-schnittfeste Garn des zweiten Zwirns aus Elastofasern besteht.This object is achieved by a textile fabric comprising at least a first and a second twisted yarn, wherein the first and the second twisted yarn contain as a component at least one cut-resistant yarn, and the second twisted yarn contains as a further component a non-cut-resistant yarn, and wherein the non-cut yarn of the second twisted yarn is made of elastofibres.

Im Rahmen der vorliegenden Erfindung ist unter einem schnittfesten bzw. nicht-schnittfesten Garn ein Garn zu verstehen, das verarbeitet zu einem Gestrick mit einem Flächengewicht von 800 g/m2 eine nach DIN EN 388 bestimmte Schnittfestigkeit von ≥ 1 bzw. von < 1 hat.In the context of the present invention, a cut-resistant or non-cut-resistant yarn is to be understood as meaning a yarn which, processed into a fabric having a basis weight of 800 g / m 2, has a cut resistance of ≥ 1 or <1 determined in accordance with DIN EN 388 ,

Das erfindungsgemäße textile Flächengebilde zeigt im Vergleich zum eingangs genannten Stand der Technik eine erhöhter Fexibilität bei mindestens gleich hoher Schnittfestigkeit, die nach DIN EN 388 gemessen wurde.The textile fabric according to the invention shows in comparison to the prior art mentioned at the beginning an increased flexibility with at least the same high cut resistance, which was measured according to DIN EN 388.

Der erste und zweite Zwirn können als schnittfeste Komponente mindestens ein Filamentgarn enthalten, das texturiert sein kann und einen Titer aufweist, der z.B. im Bereich von 20 bis 2000 dtex liegt. Vorzugsweise enthalten der erste und zweite Zwirn aber mindestens ein Stapelfasergarn, dessen Titer z.B. in einem Bereich von 140 bis 3500 dtex liegt. In einer besonders bevorzugten Ausführungsform besteht das Stapelfasergarn aus einem aromatischen Polyamid, z.B. aus einem p-Aramid wie etwa Twaron® oder aus einem Polyolefin mit einem mittleren Molekulargewicht von mindestens 600 000 g/mol besteht, beispielsweise aus einem Polyethylen wie Dyneema® oder aus einem Polypropylen. Dabei können den vorstehend genannten Stapelfasergarnen bei deren Herstellung Stapelfasern aus anderen Materialien in einer Menge zugesetzt worden sein, welche die Schnittfestigkeit des Stapelfasergarnes nicht wesentlich beeinträchtigt. Solche Stapelfasern aus anderen Materialien können z.B. Fasern aus einem aliphatischen Polyamid, aus einem Polyester, aus einer Polymilchsäure oder Fasern aus Wolle oder Baumwolle sein.The first and second twisted yarns may contain as a cut-resistant component at least one filament yarn which may be textured and has a denier ranging, for example, from 20 to 2000 dtex. Preferably, however, the first and second twine contain at least one staple fiber yarn whose titer is, for example, in a range of 140 to 3500 dtex. In a particularly preferred embodiment, the staple fiber yarn is made of an aromatic polyamide, for example, consists of a p-aramid such as Twaron ® or from a polyolefin having an average molecular weight of at least 600,000 g / mol, for example, a polyethylene such as Dyneema ® or from a polypropylene. In this case, staple fibers of other materials may have been added to the aforementioned staple fiber yarns in their manufacture in an amount which does not substantially affect the cut resistance of the staple fiber yarn. Such staple fibers of other materials may be, for example, fibers of an aliphatic polyamide, a polyester, a polylactic acid or fibers of wool or cotton.

Vorzugsweise enthält der erste Zwirn des erfindungsgemäßen textilen Flächengebildes als weitere Komponente mindestens ein Filament aus einem schnittfesten Material, das besonders bevorzugt aus Stahl, Keramik, Basalt, Aluminium, Kupfer, Messing, Silber, Bronze oder Glas besteht. Auch Stapelfasern aus den ebengenanten Materialien können als weitere Komponente des ersten Zwirns eingesetzt werden.Preferably, the first twist of the textile fabric according to the invention contains as further component at least one filament of a cut-resistant material, which particularly preferably consists of steel, ceramic, basalt, aluminum, copper, brass, silver, bronze or glass. Staple fibers from the same materials can also be used as a further component of the first twist.

Erfindungsgemäß besteht das nicht-schnittfeste Garn des zweiten Zwirns aus Elastofasern, d.h. aus Fasern, die extrem dehnbar sind und nach Aufhebung der Zugkraft weitgehend in den ursprünglichen Zustand zurückkehren. Die Elastofasern haben vozugsweise einen Titer im Bereich von 17 bis 156 dtex.According to the invention, the non-cut-resistant yarn of the second twisted yarn consists of elastofibres, ie of fibers which are extremely elastic and largely return to their original state after the tensile force has been eliminated. The elastofibers preferably have a titre in the range of 17 to 156 dtex.

Beispiele für Elastofasern, die als nicht-schnittfestes Garn des zweiten Zwirns dienen können, sind

  • Elastanfasern, die auch unter der Bezeichung Spandex oder Dorlastan bekannt sind und aus Polyurethan bestehen,
  • Elastodienfasern, die z.B. aus synthetischem Polyisopren bestehen oder aus Polymeren mit hohem Molekulargewicht, die durch Polymerisation mit einem oder mehreren Dienen ggf. unter Zusatz eines oder mehrerer Vinylmonomerer hergestellt werden, oder Gummifasern aus Naturkautschuk,
  • oder Fasern aus Polymeren mit hohem Molekulargewicht, die zu mindestens 85% aus segmentiertem Polyurethan bestehen,
    wobei Elastan- und Elastodienfasern besonders bevorzugt sind, insbesondere dann, wenn ihre Dehnbarkeit im Bereich von > 100 bis ca. 800 %, bevorzugt im Bereich von > 300 bis ca. 800% und ganz besonders bevorzugt im Bereich von 400 bis 550 % liegt.
Examples of elastofibers which can serve as non-cut resistant yarn of the second twisted yarn are
  • Elastane fibers, which are also known by the designation Spandex or Dorlastan and consist of polyurethane,
  • Elastodiene fibers, for example made of synthetic polyisoprene or of polymers of high molecular weight, which are prepared by polymerization with one or more dienes, optionally with the addition of one or more vinyl monomers, or rubber fibers of natural rubber,
  • or high molecular weight polymers comprising at least 85% segmented polyurethane fibers,
    wherein elastane and elastodiene fibers are particularly preferred, especially when their extensibility is in the range of> 100 to about 800%, preferably in the range of> 300 to about 800% and most preferably in the range of 400 to 550%.

In einer bevorzugten Ausführungsform des erfindungsgemäßen textilen Flächengebildes weist weder der erste Zwirn noch der zweite Zwirn eine Mantel/Kern-Konstruktion auf.In a preferred embodiment of the textile fabric according to the invention, neither the first twist nor the second twist has a jacket / core construction.

In einer bevorzugten Ausführungsform des erfindungsgemäßen textilen Flächengebildes besteht der erste Zwirn aus einem Stahlfilament und einem Aramidstapelfasergarn.In a preferred embodiment of the textile fabric according to the invention, the first twisted yarn consists of a steel filament and an aramid staple fiber yarn.

In einer weiteren bevorzugten Ausführungsform des erfindungsgemäßen textilen Flächengebildes besteht der erste Zwirn aus einem Stahlfilament und zwei Aramidstapelfasergarnen.In a further preferred embodiment of the textile fabric according to the invention, the first twine consists of a steel filament and two Aramidstapelfasergarnen.

In einer weiteren bevorzugten Ausführungsform des erfindungegemäßen textilen Flächengebildes besteht der erste Zwirn aus einem Stahlfilament und vier Aramidstapelfasergarnen.In a further preferred embodiment of the textile fabric according to the invention, the first twine consists of a steel filament and four aramid staple fiber yarns.

In einer weiteren bevorzugten Ausführungsform des erfindungsgemäßen textilen Flächengebildes besteht der zweite Zwirn aus einem Elastangarn und einem Aramidstapelfasergarn.In a further preferred embodiment of the textile fabric according to the invention, the second thread consists of an elastane yarn and an aramid staple fiber yarn.

In einer weiteren bevorzugten Ausführungsform des erfindungegemäßen textilen Flächengebildes besteht der zweite Zwirn aus einem Elastangarn und zwei Aramidstapelfasergarnen.In a further preferred embodiment of the textile fabric according to the invention, the second twine consists of an elastane yarn and two aramid staple fiber yarns.

In einer besonders bevorzugten Ausführungsform des erfindungsgemäßen textilen Flächengebildes besteht der erste Zwirn aus einem oder zwei Stahlfilamenten und vier Aramidstapelfasergarnen und der zweite Zwirn aus einem Elastangarn und zwei Aramidstapelfasergarnen.In a particularly preferred embodiment of the textile fabric according to the invention, the first twisted yarn consists of one or two steel filaments and four Aramidstapelfasergarnen and the second twist of a Elastangarn and two Aramidstapelfasergarnen.

Vorzugsweise sind in dem erfindungsgemäßen textilen Flächengebilde der mindestens erste und zweite Zwirn gemeinsam verarbeitet, besonders bevorzugt gestrickt, gewirkt, geflochten oder gewebt. Die mindestens zwei Zwirne können also gemeinsam und gleichzeitig einer Strick-, Flecht- oder Webmaschine zugeführt werden und zu dem erfindungsgemäßen textilen Flächengebilde verarbeit werden. Dazu können die mindestens zwei Zwirne in paralleler Anordnung zugeführt und verarbeitet werden oder auch umeinander verdreht oder verdrillt verarbeitet werden.In the textile fabric according to the invention, the at least first and second thread are preferably processed together, particularly preferably knitted, knitted, braided or woven. The at least two threads can therefore be fed together and simultaneously to a knitting, braiding or weaving machine and processed into the textile fabric according to the invention. For this purpose, the at least two threads can be fed and processed in a parallel arrangement or else twisted or twisted around each other.

Die bereits erwähnte Kombination von hoher Flexibilität und Schnittfestigkeit des erfindungsgemäßen textilen Flächengebildes bewirkt, das besagte Eigenschafts-kombination auch in Schutzkleidung, die das erfindungsgemäße textile Flächengebilde enthält, in vorteilhafter Weise zum Tragen kommt. Daher ist eine derartige Schutzkleidung ebenfalls Gegenstand der vorliegenden Erfindung.The above-mentioned combination of high flexibility and cut resistance of the textile fabric according to the invention causes said combination of properties to also advantageously come into play in protective clothing containing the textile fabric according to the invention. Therefore, such a protective clothing is also an object of the present invention.

Bevorzugte Ausführungsformen der erfindugnsgemäßen Schutzkleidung sind Handschuhe, Schürzen, Hosen, Jacken, Manschetten, Schläuche, Schlauchumhüllungen oder vandalismusresistente Artikel, wie z.B. Sitze.Preferred embodiments of the protective clothing according to the invention are gloves, aprons, trousers, jackets, cuffs, hoses, hose jackets or vandalism resistant articles, such as e.g. Seats.

Die vorliegende Erfindung wird in den folgenden Beispielen näher erläutert.The present invention will be further illustrated in the following examples.

Beispiel 1example 1

Zur Herstellung eines Handschuhs wird zuerst in einem zweistufigen Zwirnprozess ein erster Zwirn hergestellt. Dazu werden in der ersten Stufe zwei Fäden aus Metalfilament (Titer jeweils 150 dtex), die unter der Bezeichnung Bekinox von der Firma Bekaert erhältlich sind, und zwei Stapelfasergarne (Titer jeweils 357 dtex) aus p-Aramid, die unter der Bezeichnung Twaron von der Firma Teijin Twaron erhältlich sind, verzwirnt. Der resultierende Zwirn wird danach in der zweiten Stufe mit zwei verzwirnten p-Aramid Stapelfasergarnen der vorstehend genannten Art verzwirnt, wodurch der erste Zwirn erhalten wird.To make a glove, a first twist is first made in a two-step twisting process. For this purpose, in the first stage, two filaments of metal filament (titers each 150 dtex), which are available under the name Bekinox from Bekaert, and two staple fiber yarns (titers each 357 dtex) from p-aramid, which under the name Twaron of the Company Teijin Twaron are available, twisted. The resulting twist is then twisted in the second stage with two twisted p-aramid staple fiber yarns of the aforementioned type, whereby the first twist is obtained.

Zur Herstellung eines zweiten Zwirns wird ein Elastangarn (Titer = 78 dtex), das unter der Bezeichnung Dorlastan von der Fa. Dorlastan Fibers erhältlich ist, mit zwei Stapelfasergarnen (Titer jeweils 357 dtex) aus p-Aramid, die von der Firma Teijin Twaron unter der Bezeichnung Twaron erhältlich sind, verzwirnt.To produce a second twist, an elastane yarn (titre = 78 dtex), which is available under the name Dorlastan from Dorlastan Fibers, with two staple fiber yarns (titers each 357 dtex) of p-aramid, by the company Teijin Twaron under Twaron, twisted.

Der erste und zweite Zwirn werden gemeinsam und parallel einer Strickmaschine zugeführt und mit einem Nadelabstand von 7 Nadeln pro 2,54 cm zu einem Handschuh verstrickt. Der Handschuh hat ein Gewicht von 32,9 g, ein Flächengewicht von 508 g/m2, eine Strickdicke von 1,74 mm und weist in Stäbchen und Reihe eine Maschendichte von jeweils 4 Maschen pro cm auf.The first and second twine are fed together and in parallel to a knitting machine and knitted into a glove with a needle spacing of 7 needles per 2.54 cm. The glove has a weight of 32.9 g, a basis weight of 508 g / m 2 , a knit thickness of 1.74 mm and in sticks and row has a mesh density of 4 stitches per cm.

Auf die eben beschriebene Weise wurden Handschuhe hergestellt, die im folgenden als Handschuhe vom Typ I bezeichnet werden.In the manner just described, gloves were made, referred to hereinafter as Type I gloves.

An den Handschuhen vom Typ I wurde nach DIN EN 388 die Schnittfestigkeit gemessen. Der Handschuhtyp I ergab bei zehn Messungen einen niedrigsten mittleren Schnittindex von 20,9, welcher der höchsten Leitstungsstufe 5 entspricht. Der niedrigste ermittelte Einzelindex ist 13,1. Somit ist dieser Handschuh im Hinblick auf die Schnittfestigkeit in die zweithöchste Leistungsstufe 4 einzuordnen.On the Type I gloves, the cut resistance was measured according to DIN EN 388. Glove type I showed the lowest average cut index of 20.9 for ten measurements, which corresponds to the highest ladder level 5. The lowest individual index is 13.1. Thus, this glove is classified in terms of cut resistance in the second highest performance level 4.

Dieses Beispiel zeigt, dass erfindungsgemäß hergestellte Handschuhe eine höhere Schnittfestigkeit aufweisen als aus dem Stand der Technik bekannte Handschuhe. Darüberhinaus weisen erfindungsgemäß hergestellte Handschuhe eine höhere Flexibilität, d.h. einen höheren Tragekomfort auf als aus dem Stand der Technik bekannte Handschuhe.This example shows that gloves made according to the invention have a higher cut resistance than gloves known from the prior art. Moreover, gloves made in accordance with the present invention have greater flexibility, i. a higher wearing comfort than known from the prior art gloves.

Beispiel 2Example 2

Zur Herstellung eines Handschuhs wird zuerst in einem zweistufigen Zwirnprozess ein erster Zwirn hergestellt. Dazu werden in der ersten Stufe zwei Fäden aus Metalfilament (Titer jeweils 150 dtex), die unter der Bezeichnung Bekinox von der Firma Bekaert erhältlich sind, und zwei Stapelfasergarne (Titer jeweils 200 dtex), die zu 70 Gew.-% aus Polymilchsäure (PLA) Stapelfasern, die unter der Bezeichnung Ingeo von Cargill Dow erhältlich sind, und zu 30 Gew.-% aus p-Aramid Stapelfasern bestehen, die unter der Bezeichnung Twaron von der Firma Teijin Twaron erhältlich sind, verzwirnt. Der resultierende Zwirn wird danach in der zweiten Stufe mit zwei verzwirnten p-Aramid Stapelfasergarnen der vorstehend genannten Art verzwirnt, wodurch der erste Zwirn erhalten wird.To make a glove, a first twist is first made in a two-step twisting process. For this purpose, in the first stage, two filaments of metal filament (titers each 150 dtex), which are available under the name Bekinox from Bekaert, and two staple fiber yarns (titers 200 dtex each), 70% by weight of polylactic acid (PLA ) Staple fibers, available under the name Ingeo from Cargill Dow, and consisting of 30% by weight of p-aramid staple fibers available under the name Twaron from Teijin Twaron. The resulting twist is then twisted in the second stage with two twisted p-aramid staple fiber yarns of the aforementioned type, whereby the first twist is obtained.

Zur Herstellung eines zweiten Zwirns wird ein Elastangarn (Titer = 78 dtex), das unter der Bezeichnung Dorlastan von der Fa. Bayer erhältlich ist, mit zwei Stapelfasergarnen (Titer jeweils 200 dtex), die zu 70 Gew.-% aus Polymilchsäure (PLA) Stapelfasern, die unter der Bezeichnung Ingeo von Cargill Dow erhältlich sind, und zu 30 Gew.-% aus p-Aramid Stapelfasern bestehen, die von der Firma Teijin Twaron unter der Bezeichnung Twaron erhältlich sind, verzwirnt.To prepare a second twisted yarn, an elastane yarn (titre = 78 dtex), which is available under the name Dorlastan from Bayer, with two staple fiber yarns (titers of 200 dtex each) containing up to 70% by weight of polylactic acid (PLA) Staple fibers, available under the name Ingeo from Cargill Dow, and consisting of 30% by weight of p-aramid staple fibers available from Teijin Twaron under the name Twaron.

Der erste und zweite Zwirn werden gemeinsam und parallel einer Strickmaschine zugeführt und mit einem Nadelabstand von 7 Nadeln pro 2,54 cm zu einem Handschuh verstrickt. Der Handschuh hat ein Gewicht von 20,6 g, ein Flächengewicht von 360 g/m2, eine Strickdicke von 1,56 mm und weist eine Maschendichte von 5,5 Stäbchen/cm und 3,5 Reihen/cm auf.The first and second twine are fed together and in parallel to a knitting machine and knitted into a glove with a needle spacing of 7 needles per 2.54 cm. The glove has a weight of 20.6 g, a basis weight of 360 g / m 2 , a knit thickness of 1.56 mm and has a mesh density of 5.5 sticks / cm and 3.5 rows / cm.

An zwei in solcher Weise hergestellten Handschuhen wurde nach DIN EN 388 eine Schnittfestigkeit von mindestens 4,8 gemessen. Somit sind diese Handschuhe im Hinblick auf die Schnittfestigkeit in die Leistungsstufe 2 einzuordnen.On two gloves produced in this way, a cut resistance of at least 4.8 was measured according to DIN EN 388. Thus, these gloves are classified in the performance level 2 in terms of cut resistance.

Dieses Beispiel zeigt, dass erfindungsgemäß hergestellte Handschuhe selbst dann, wenn im ersten und im zweiten Zwirn Garne verwendet werden, die nur zur 30 Gew.-% aus einem schnittfesten Material (p-Aramid Stapelfasern) und zu 70 Gew.-% aus nicht-schnittfesten Material (PLA) bestehen, immerhin noch eine Schnittfestigkeit der Leistungsstufe 2 aufweisen, und dies bei einem Gewicht von nur 20,6 g.This example shows that, even if yarns are used in the first and in the second yarn, the yarns produced according to the invention are composed of only 30% by weight of a cut-resistant material (p-aramid staple fibers) and 70% by weight of non-staple fibers. cut resistant material (PLA), after all, still have a cut resistance of the power level 2, and this with a weight of only 20.6 g.

Beispiel 3Example 3

Zur Herstellung eines Handschuhs wird zuerst in einem einstufigen Zwirnprozess ein erster Zwirn hergestellt. Dazu werden zwei Fäden aus Metalfilament (Titer jeweils 150 dtex), die unter der Bezeichnung Bekinox von der Firma Bekaert erhältlich sind, und zwei texturierte Filamentgarne (Titer jeweils 550 dtex) aus p-Aramid, die unter der Bezeichnung Twaron von der Firma Teijin Twaron erhältlich sind, verzwirnt.To produce a glove, a first twist is first produced in a one-step twisting process. For this purpose, two filaments of metal filament (titers each 150 dtex), which are available under the name Bekinox from Bekaert, and two textured filament yarns (titers each 550 dtex) from p-aramid, under the name Twaron from Teijin Twaron are available, twisted.

Zur Herstellung eines zweiten Zwirns wird ein Elastangarn (Titer = 78 dtex), das unter der Bezeichnung Dorlastan von der Fa. Bayer erhältlich ist, mit einem Filamentgarn (Titer 550 dtex) aus p-Aramid, das von der Firma Teijin Twaron unter der Bezeichnung Twaron erhältlich ist, verzwirnt.To produce a second twist, an elastane yarn (titre = 78 dtex), which is available under the name Dorlastan from Bayer, with a filament yarn (titre 550 dtex) from p-aramid, by the company Teijin Twaron under the name Twaron is available, twisted.

Der erste und zweite Zwirn werden gemeinsam und parallel einer Strickmaschine zugeführt und mit einem Nadelabstand von 7 Nadeln pro 2,54 cm zu einem Handschuh verstrickt. Der Handschuh hat ein Gewicht von 24,9 g, ein Flächengewicht von 479 g/m2, eine Strickdicke von 2,1 mm und weist eine Maschendichte von 3,5 Reihen/cm und 6,5 Stäbchen/cm auf.The first and second twine are fed together and in parallel to a knitting machine and knitted into a glove with a needle spacing of 7 needles per 2.54 cm. The glove has a weight of 24.9 g, a basis weight of 479 g / m 2 , a knitting thickness of 2.1 mm and has a mesh density of 3.5 rows / cm and 6.5 rods / cm.

An zwei in solcher Weise hergestellten Handschuhen wurde nach DIN EN 388 eine Schnittfestigkeit von mindestens 14,4 gemessen. Somit sind diese Handschuhe im Hinblick auf die Schnittfestigkeit in die zweithöchste Leistungsstufe 4 einzuordnen.On two gloves produced in this way, a cut resistance of at least 14.4 was measured according to DIN EN 388. Thus, these gloves are classified in terms of cut resistance in the second highest performance level 4.

Dieses Beispiel zeigt, dass erfindungsgemäß hergestellte Handschuhe mit einer Schnittfestigkeit in Leistungsstufe 4 hergestellt werden können, die nur 24,9 g wiegen.This example shows that gloves produced according to the invention can be made with a 4 stage cut resistance weighing only 24.9 g.

Beispiel 4Example 4

Zur Herstellung eines Handschuhs wird zuerst in einem einstufigen Zwirnprozess ein erster Zwirn hergestellt. Dazu werden ein Faden aus Metalfilament (Titer jeweils 150 dtex), der unter der Bezeichnung Bekinox von der Firma Bekaert erhältlich ist, und zwei Stapelfasergarne (Titer jeweils 200 dtex) aus p-Aramid, die unter der Bezeichnung Twaron von der Firma Teijin Twaron erhältlich sind, verzwirnt.To produce a glove, a first twist is first produced in a one-step twisting process. For this purpose, a thread made of metal filament (titers each 150 dtex), which is available under the name Bekinox from Bekaert, and two staple fiber yarns (titers 200 dtex) from p-aramid, which are available under the name Twaron from Teijin Twaron are, twisted.

Zur Herstellung eines zweiten Zwirns wird ein Elastangarn (Titer = 78 dtex), das unter der Bezeichnung Dorlastan von der Fa. Dorlastan Fibers erhältlich ist, mit zwei Stapelfasergarnen (Titer jeweils 357 dtex) aus p-Aramid, die von der Firma Teijin Twaron unter der Bezeichnung Twaron erhältlich sind, verzwirnt.To produce a second twist, an elastane yarn (titre = 78 dtex), which is available under the name Dorlastan from Dorlastan Fibers, with two staple fiber yarns (titers each 357 dtex) of p-aramid, by the company Teijin Twaron under Twaron, twisted.

Der erste und zweite Zwirn werden gemeinsam und parallel einer Strickmaschine zugeführt und mit einem Nadelabstand von 13 Nadeln pro 2,54 cm zu einem Handschuh verstrickt. Der Handschuh hat ein Gewicht von 20,9 g, ein Flächengewicht von 347 g/m2, eine Strickdicke von 1,21 mm und weist in Stäbchenrichtung eine Maschendichte von 8 Maschen pro cm und in Reihenrichtung eine Maschendichte von 6,5 Maschen pro cm auf.The first and second twine are fed together and in parallel to a knitting machine and with a needle spacing of 13 needles per 2.54 cm to one Glove entangled. The glove has a weight of 20.9 g, a basis weight of 347 g / m 2 , a knit thickness of 1.21 mm and has a stitch density of 8 stitches per cm in the billet direction and a mesh density of 6.5 stitches per cm in the row direction on.

An fünf in solcher Weise hergestellten Handschuhen wurde nach DIN EN 388 eine Schnittfestigkeit von mindestens 6,9 gemessen. Somit sind diese Handschuhe im Hinblick auf die Schnittfestigkeit in die dritthöchste Leistungsstufe 3 einzuordnen.According to DIN EN 388, a cut resistance of at least 6.9 was measured on five gloves produced in this way. Thus, these gloves are classified in terms of cut resistance in the third highest performance level 3.

Der Vergleich dieses Beispiels mit Beispiel 1 zeigt, dass die Handschuhe von Beispiel 4 trotz eines um 32 % verringerten Flächengewichts und trotz eines um 36 % verringerten Gewichts immer noch eine Schnittfestigkeit der Klasse 3 aufweisen. Somit zeigt Beispiel 3, dass erfindungsgemäße Handschuhe herstellbar sind, die eine Schnittfestigkeit in der dritthöchsten Leistungsstufe mit einem sehr hohem Tragekomfort und mit einer sehr hohen Dexterität, d.h. mit einer sehr hohen Beweglichkeit und Greiffähigkeit, vereinen.Comparison of this example with Example 1 shows that the gloves of Example 4 still have a Class 3 cut resistance, despite having a 32% reduced basis weight and a 36% reduction in weight. Thus, Example 3 shows that gloves according to the invention can be produced which have a cut resistance in the third highest performance level with a very high wearing comfort and with a very high dexterity, i. with a very high mobility and grasping ability, unite.

Beispiel 5Example 5

Zur Herstellung eines Handschuhs wird zuerst in einem einstufigen Zwirnprozess ein erster Zwirn hergestellt. Dazu werden zwei Fäden aus Metalfilament (Titer jeweils 150 dtex), die unter der Bezeichnung Bekinox von der Firma Bekaert erhältlich sind, und vier Stapelfasergarne (Titer jeweils 357 dtex) aus p-Aramid, die unter der Bezeichnung Twaron von der Firma Teijin Twaron erhältlich sind, verzwirnt.To produce a glove, a first twist is first produced in a one-step twisting process. For this purpose, two threads of metal filament (titers each 150 dtex), which are available under the name Bekinox from Bekaert, and four staple fiber yarns (titers each 357 dtex) from p-aramid, which are available under the name Twaron from Teijin Twaron are, twisted.

Zur Herstellung eines zweiten Zwirns wird ein Elastangarn (Titer = 78 dtex), das unter der Bezeichnung Dorlastan von der Fa. Dorlastan Fibers erhältlich ist, mit zwei Stapelfasergarnen (Titer jeweils 357 dtex) aus p-Aramid, die von der Firma Teijin Twaron unter der Bezeichnung Twaron erhältlich sind, verzwirnt.To produce a second twist, an elastane yarn (titre = 78 dtex), which is available under the name Dorlastan from Dorlastan Fibers, with two staple fiber yarns (titers each 357 dtex) of p-aramid, by the company Teijin Twaron under Twaron, twisted.

Der erste und zweite Zwirn werden gemeinsam und parallel einer Strickmaschine zugeführt und mit einem Nadelabstand von 7 Nadeln pro 2,54 cm zu einem Handschuh verstrickt. Der Handschuh hat ein Gewicht von 32,9 g, ein Flächengewicht von 508 g/m2, eine Strickdicke von 1,74 mm und weist in Stäbchen und Reihe eine Maschendichte von jeweils 4 Maschen pro cm auf.The first and second twine are fed together and in parallel to a knitting machine and knitted into a glove with a needle spacing of 7 needles per 2.54 cm. The glove has a weight of 32.9 g, a basis weight of 508 g / m 2 , a knit thickness of 1.74 mm and in sticks and row has a mesh density of 4 stitches per cm.

Auf die eben beschriebene Weise wurden Handschuhe hergestellt und nach DIN EN 388 die Schnittfestigkeit gemessen. Die Handschuhe ergaben bei zehn Messungen einen niedrigsten mittleren Schnittindex von 20,9, welcher der höchsten Leitstungsstufe 5 entspricht. Der niedrigste ermittelte Einzelindex ist 13,1. Somit sind diese Handschuhe im Hinblick auf die Schnittfestigkeit in die zweithöchste Leistungsstufe 4 einzuordnen.Gloves were produced in the manner just described and the cut resistance was measured in accordance with DIN EN 388. The gloves produced a lowest average cut index of 20.9 for ten measurements, which corresponds to the highest level 5. The lowest individual index is 13.1. Thus, these gloves are classified in terms of cut resistance in the second highest performance level 4.

Dieses Beispiel zeigt, dass erfindungsgemäß hergestellte Handschuhe eine höhere Schnittfestigkeit aufweisen als aus dem Stand der Technik bekannte Handschuhe. Darüberhinaus weisen erfindungsgemäß hergestellte Handschuhe eine höhere Flexibilität, d.h. einen höheren Tragekomfort auf als aus dem Stand der Technik bekannte Handschuhe.This example shows that gloves made according to the invention have a higher cut resistance than gloves known from the prior art. Moreover, gloves made in accordance with the present invention have greater flexibility, i. a higher wearing comfort than known from the prior art gloves.

Beispiel 6Example 6

Zur Herstellung eines Handschuhs wird zuerst in einem einstufigen Zwirnprozess ein erster Zwirn hergestellt. Dazu werden zwei Fäden aus Metalfilament (Titer jeweils 150 dtex), die unter der Bezeichnung Bekinox von der Firma Bekaert erhältlich sind, und vier Stapelfasergarne (Titer jeweils 200 dtex), die zu 70 Gew.-% aus Polymilchsäure (PLA) Stapelfasern, die unter der Bezeichnung Ingeo von Cargill Dow erhältlich sind, und zu 30 Gew.-% aus p-Aramid Stapelfasern bestehen, die unter der Bezeichnung Twaron von der Firma Teijin Twaron erhältlich sind, verzwirnt.To produce a glove, a first twist is first produced in a one-step twisting process. For this purpose, two filaments of metal filament (titers each 150 dtex), which are available under the name Bekinox from Bekaert, and four staple fiber yarns (titers each 200 dtex) containing up to 70 wt .-% of polylactic acid (PLA) staple fibers, the available under the name Ingeo from Cargill Dow, and consisting of 30% by weight of p-aramid staple fibers available under the name Twaron from Teijin Twaron.

Zur Herstellung eines zweiten Zwirns wird ein Elastangarn (Titer = 78 dtex), das unter der Bezeichnung Dorlastan von der Fa. Bayer erhältlich ist, mit zwei Stapelfasergarnen (Titer jeweils 200 dtex), die zu 70 Gew.-% aus Polymilchsäure (PLA) Stapelfasern, die unter der Bezeichnung Ingeo von Cargill Dow erhältlich sind, und zu 30 Gew.-% aus p-Aramid Stapelfasern bestehen, die von der Firma Teijin Twaron unter der Bezeichnung Twaron erhältlich sind, verzwirnt.To prepare a second twisted yarn, an elastane yarn (titre = 78 dtex), which is available under the name Dorlastan from Bayer, with two staple fiber yarns (titers of 200 dtex each) containing up to 70% by weight of polylactic acid (PLA) Staple fibers, available under the name Ingeo from Cargill Dow, and consisting of 30% by weight of p-aramid staple fibers available from Teijin Twaron under the name Twaron.

Der erste und zweite Zwirn werden gemeinsam und parallel einer Strickmaschine zugeführt und mit einem Nadelabstand von 7 Nadeln pro 2,54 cm zu einem Handschuh verstrickt. Der Handschuh hat ein Gewicht von 20,6 g, ein Flächengewicht von 360 g/m2, eine Strickdicke von 1,56 mm und weist eine Maschendichte von 5,5 Stäbchen/cm und 3,5 Reihen/cm auf.The first and second twine are fed together and in parallel to a knitting machine and knitted into a glove with a needle spacing of 7 needles per 2.54 cm. The glove has a weight of 20.6 g, a basis weight of 360 g / m 2 , a knit thickness of 1.56 mm and has a mesh density of 5.5 sticks / cm and 3.5 rows / cm.

An zwei in solcher Weise hergestellten Handschuhen wurde nach DIN EN 388 eine Schnittfestigkeit von mindestens 4,8 gemessen. Somit sind diese Handschuhe im Hinblick auf die Schnittfestigkeit in die Leistungsstufe 2 einzuordnen.On two gloves produced in this way, a cut resistance of at least 4.8 was measured according to DIN EN 388. Thus, these gloves are classified in the performance level 2 in terms of cut resistance.

Dieses Beispiel zeigt, dass erfindungsgemäß hergestellte Handschuhe selbst dann, wenn im ersten und im zweiten Zwirn Garne verwendet werden, die nur zur 30 Gew.-% aus einem schnittfesten Material (p-Aramid Stapelfasern) und zu 70 Gew.-% aus nicht-schnittfesten Material (PLA) bestehen, immerhin noch eine Schnittfestigkeit der Leistungsstufe 2 aufweisen, und dies bei einem Gewicht von nur 20,6 g.This example shows that, even if yarns are used in the first and in the second yarn, the yarns produced according to the invention are composed of only 30% by weight of a cut-resistant material (p-aramid staple fibers) and 70% by weight of non-staple fibers. cut resistant material (PLA), after all, still have a cut resistance of the power level 2, and this with a weight of only 20.6 g.

Claims (19)

  1. A textile fabric comprising at least a first and a second twisted thread, the first and the second twisted thread containing at least one cut resistant yarn as one component, and the second twisted thread containing a non-cut resistant yarn as a further component, wherein the non-cut resistant yarn of the second twisted thread consists of elastomeric fibers, characterized in that neither the first twisted thread nor the second twisted thread has a sheath-core construction.
  2. A textile fabric according to Claim 1, characterized in that the first and second twisted threads contain at least one staple fiber yarn as one cut resistant component.
  3. A textile fabric according to Claim 2, characterized in that the staple fiber yarn consists of an aromatic polyamide or of a polyolefin with an average molecular weight of at least 600,000 g/mol.
  4. A textile fabric according to one or more of Claims 1 to 3, characterized in that the first twisted thread contains at least one filament of a cut resistant material as a further component.
  5. A textile fabric according to Claim 4, characterized in that the filament consists of steel, ceramic, basalt, aluminum, copper, bronze, brass, silver, or glass.
  6. A textile fabric according to one or more of Claims 1 to 5, characterized in that the elastomeric fibers are elastane fibers or elastodiene fibers.
  7. A textile fabric according to Claim 6, characterized in that the elastomeric fibers have a stretchability in the range of > 100 to 800%.
  8. A textile fabric according to one or more of Claims 1 to 7, characterized in that the first twisted thread consists of a steel filament and an aramid staple fiber yarn.
  9. A textile fabric according to one or more of Claims 1 to 7, characterized in that the first twisted thread consists of a steel filament and two aramid staple fiber yarns.
  10. A textile fabric according to one or more of Claims 1 to 7, characterized in that the first twisted thread consists of a steel filament and four aramid staple fiber yarns.
  11. A textile fabric according to one or more of Claims 1 to 10, characterized in that the second twisted thread consists of an elastane yarn and an aramid staple fiber yarn.
  12. A textile fabric according to one or more of Claims 1 to 10, characterized in that the second twisted thread consists of an elastane yarn and two aramid staple fiber yarns.
  13. A textile fabric according to one or more of Claims 1 to 12, characterized in that the first twisted thread consists of two steel filaments and four aramid staple fiber yarns, and the second twisted thread consists of an elastane yarn and two aramid staple fiber yarns.
  14. A textile fabric according to one or more of Claims 1 to 13, characterized in that the at least first and second twisted threads in the textile fabric are processed together.
  15. A textile fabric according to one or more of Claims 1 to 14, characterized in that it is woven, knitted, plaited or crocheted.
  16. A textile fabric according to one or more of Claims 1 to 15, characterized in that the at least two twisted threads are, in parallel arrangement, fed into a knitting, weaving or plaiting machine and processed.
  17. Protective clothing containing a textile fabric according to one or more of Claims 1 to 16.
  18. Protective clothing according to Claim 17 in the form of gloves, aprons, pants, jackets, sleeves, hoses, hose jackets or vandalism-resistant articles.
EP20060724479 2005-04-26 2006-04-21 Textile sheet material and protective clothing containing said sheet material Active EP1877607B9 (en)

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SI200630605T SI1877607T1 (en) 2005-04-26 2006-04-21 Textile sheet material and protective clothing containing said sheet material

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US20090017300A1 (en) 2009-01-15
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US8021994B2 (en) 2011-09-20
DE502006005849D1 (en) 2010-02-25
CN101341279A (en) 2009-01-07
WO2006114238A1 (en) 2006-11-02
EP1877607A1 (en) 2008-01-16
CN101341279B (en) 2011-09-28
PT1877607E (en) 2010-02-24
EP1877607B9 (en) 2010-03-31
ATE454489T1 (en) 2010-01-15
PL1877607T3 (en) 2010-06-30

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