EP1491668A2 - Fil textile - Google Patents

Fil textile Download PDF

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Publication number
EP1491668A2
EP1491668A2 EP04011863A EP04011863A EP1491668A2 EP 1491668 A2 EP1491668 A2 EP 1491668A2 EP 04011863 A EP04011863 A EP 04011863A EP 04011863 A EP04011863 A EP 04011863A EP 1491668 A2 EP1491668 A2 EP 1491668A2
Authority
EP
European Patent Office
Prior art keywords
core
textile thread
thread according
dtex
textile
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP04011863A
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German (de)
English (en)
Other versions
EP1491668B1 (fr
EP1491668A3 (fr
Inventor
Klaus Bloch
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.)
Individual
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Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP1491668A2 publication Critical patent/EP1491668A2/fr
Publication of EP1491668A3 publication Critical patent/EP1491668A3/fr
Application granted granted Critical
Publication of EP1491668B1 publication Critical patent/EP1491668B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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
    • D02G3/22—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre
    • D02G3/38—Threads in which fibres, filaments, or yarns are wound with other yarns or filaments, e.g. wrap yarns, i.e. strands of filaments or staple fibres are wrapped by a helically wound binder yarn

Definitions

  • the invention relates to a textile thread with a core and a covering surrounding the core.
  • Textile threads are used in the most diverse areas of technology with different requirements.
  • high-quality textile threads which have high tear strength with low elongation at break, which are also weather-resistant and water-repellent and moisture-repellent, since they are exposed to strongly changing weather conditions and also have to withstand high dynamic loads.
  • fishing lines especially when used in salt water or textile threads in processing into textile fabrics, such as tarpaulins or membranes for open space structures as sun protection, heat and fire resistant protective clothing, etc.
  • Textile threads with high tensile strength are known which are either designed as monofilaments or multifilaments or on the other hand consist of braided cords of a large number of multifilaments, synthetic fibers of high strength, such as aramid fibers, being used for this.
  • a sheath for example by coating or extrusion.
  • WO 9203922 A1 it is known to surround a fishing line with a PTFE layer which increases the abrasion resistance, which is extruded around the fiber strand and wherein an adhesion layer / adhesive layer is provided to improve the adhesive strength between PTFE and the fiber strand.
  • this adhesive layer in order to achieve the appropriate firm bond between the jacket made of PTFE and the inner core made of a thermoplastic, has a disadvantageous effect on the strength properties and is also subject to decomposition and dissolution phenomena over time.
  • the invention has for its object to provide a textile thread with a core and a covering surrounding the core, which on the one hand meets the highest demands in terms of high strength, tear resistance and very low elongation at break, which can also be subjected to very high operating temperatures for a short time and at the same time has very good sliding properties, which should be UV-resistant, water-repellent, have high abrasion resistance and should also be able to change the appearance by coloring.
  • a textile thread with a core and a covering surrounding the core is proposed, which meets the aforementioned claims, which is characterized in that the core, formed by high-strength synthetic, organically endless fibers (filaments), is formed from film tapes of polytetrafluoroethylene (PTFE) in S- Direction and Z direction or vice versa is firmly wrapped, the foil tapes being brought into full contact with one side of the core or against one another and forming a covering, preferably forming a closed covering.
  • PTFE polytetrafluoroethylene
  • This also includes that winding is carried out first in the Z direction and then in the S direction. The winding is preferably carried out alternately.
  • the alternating winding in the S and Z directions also includes that, particularly in the case of thicker souls, two or more ribbon tapes are first wound around the soul in the S direction or in the Z direction and then at least one ribbon tape in the other direction.
  • the core of synthetic organically endless filaments which can be formed individually or bundled, which can consist of multifilament yarns or of spun yarns, give the thread the required tensile strength, low elongation at break and high load-bearing capacity, while the PTFE film tapes impart the required external properties as a covering , such as sliding properties, abrasion resistance, UV resistance, weather resistance, water repellency, chemical resistance, colorability.
  • the use of foil tapes creates an envelope that is closed like a jacket.
  • by winding the core with a tape i.e.
  • the transverse tensile strength of the core is increased, since this winding also increases the tensile strength of the tapes as a covering to increase the longitudinal and transverse tensile strength of the filaments contributes to the soul.
  • the foil tape also results in significantly less contamination.
  • the textile thread according to the invention can not only be provided with a closed sheath by wrapping it with tapes, but also a round cross section of the thread can be achieved.
  • the textile thread is only wrapped by two film tapes made of PTFE, which form the wrapping, namely an essentially closed wrapping, one of which is a tape in the S direction and the other is in the Z direction or conversely is wound around the soul.
  • the foil tapes made of PTFE are preferably wound around the soul at 200 - 400 turns / m.
  • the foil tapes used for the production of the textile thread preferably have a width of 1-2 mm for the wrapping.
  • foil tapes made of PTFE from 220 - 880 dtex are used, a preferred range is 350 - 450 dtex.
  • Such film tapes made of PTFE are made from very thin PTFE films by cutting them open.
  • the foil tapes are preferably made of 100% pure PTFE.
  • PTFE is permanently loadable up to 260 ° C and tolerates short-term temperature peaks - operating temperature up to 300 ° C.
  • PTFE is not flammable because the limiting oxygen index (LOI) is 95% O 2 .
  • the fine tensile strength of film tapes made of PTFE is in the range of 2.7 - 3.0 cN / dtex with an elongation at break of up to a maximum of 6%.
  • the sheath formed from foil tapes of PTFE also improves the knot strength of the textile thread according to the invention compared to, for example, extruded envelopes made of thermoplastic materials, since the firm tensile strength of the core by means of the foil strips also increases the transverse tensile strength of the core.
  • high-strength filaments made of organic synthetic fibers with a tenacity of at least 3 cN / dtex are preferably used for the textile thread for the soul, the elongation at break of the filaments preferably being less than 22%.
  • the high-strength filaments forming the core are oriented essentially straight and parallel to one another, ie they are not twisted. In this way it is achieved that the textile thread with wrapping does not curl. Furthermore, a straight, non-twisted core made of filaments ensures that the original elongation at break is retained, ie it is not increased because there is no constructional elongation, such as, for example by twisting or interlacing filaments.
  • the filaments in multifilament yarns are preferably not twisted.
  • the textile thread according to the invention it is also possible in the textile thread according to the invention to twist the filaments / filament yarns forming the soul slightly with one another at 1-30 turns / m, it also being possible to use untwisted multifilament yarns.
  • the low elongation at break is essentially retained.
  • textile threads with high strength are desired, in which the elongation at break may also be greater, it is possible to use a core in which the filaments / filament yarns with one another also with more than 30 turns / m, for example in the range of 50-500 turns / m are twisted.
  • the core and the sheath are mechanically combined to form a unit without any adhesive layer, such as adhesive layer, hot melt adhesive or other binders, even without an adhesion promoter, by firmly winding the core by means of the film strips made of PTFE. In this way a very smooth thread is obtained.
  • textile threads For many textile threads it will suffice for their use that the soul is formed from the same filaments / filament yarns.
  • textile threads are also required which, in addition to high strength and temperature resistance, should have additional properties such as conductivity, for example.
  • the textile thread has a core which is formed by filaments of different construction in material / material and / or shape, depending on the additional requirements.
  • Multifilament yarns are composed of individual filaments with a fineness of less than 10 ⁇ m, with, for example, a multifilament yarn of 550 dtex comprising approximately 85-90 filaments with a fineness of 6 ⁇ m.
  • Spun yarn can also be used for a straight twisted soul be used.
  • Multifilament yarns of 40 - 1,800 dtex are preferred for the soul, although finer filament yarns / filaments can also be used for special training.
  • the preferred common range is for multifilament yarns from 160 to 1,100 dtex.
  • Multifilament yarns are usually used, the filaments of which are not twisted together.
  • high-strength filaments made of polyethylene with an ultra-high molecular weight (UHMW-PE) of 110-1760 dtex and a tenacity of at least 20 cN / dtex, preferably at least 25 cN / dtex and an elongation at break are smaller for the soul 8%, preferably less than 5% used.
  • UHMW-PE ultra-high molecular weight
  • This is a core that gives the textile thread a high load-bearing capacity with very little elongation at break, as is desired, for example, when the textile thread is used directly as a line or fishing line.
  • high-strength filaments with high thermostability are made from polyesters of terephthalic acid (polyterephthalates) with an elongation at break of less than 22%, preferably of about 8-20%, and a tenacity of at least 4 cN / dtex and a short-term use temperature of up to 180 ° C.
  • This textile thread is also characterized by high load capacity and resilience, weather resistance.
  • high-strength filaments are selected for the soul from high-strength synthetic fibers of polyamides, in particular for example polyamide 6, polyamide 66, polyamide 610 and polyamide MXD6 with an elongation at break of less than or equal to 20%, a tenacity of at least 4 cN / dtex and a short-term use temperature of up to 180 ° C or more.
  • a particularly preferred embodiment of a textile thread according to the invention has a core made of high-strength, high-temperature-resistant and flame-retardant synthetic fibers made from fully aromatic polyamides (aramids), such as poly-p-phenylene terephthalamide or poly-m-phenylene isophthalamide with elongations at break of less than 22%, preferably in the range of about 2-6%, a tenacity of at least 15 cN / dtex and a short-term use temperature of up to 300 ° C.
  • aramids fully aromatic polyamides
  • Textiles that serve as heat shields can be made from textile threads with a core based on aramids and a covering according to the invention made of PTFE tape.
  • the wrapping made of PTFE tape also ensures UV resistance, abrasion resistance and high sliding properties, as well as dirt repellency and water repellency, alternating bending stress.
  • high-strength and high-temperature-resistant synthetic fibers made from fully aromatic polyesters such as polyarylates, from aromatic polysulfides and sulfones, such as polyarylsulfones, polyphenylene sulfide, polyaryl ether ketones, aromatic polyimides, such as polyimide, are also according to the invention for the soul of the textile thread.
  • Polybenzimidazole, polyamideimide, polyetherimide, polyesterimide, polyarylimide with a short-term use temperature of at least 200 ° C and up to 300 ° C or more can be used.
  • filaments based on fluoropolymers for the soul such as, for example, fluorofluoropolymers polytetrafluoroethylene and polychlorotrifluoroethylene or fluoropolymers ethylene-tetrafluoroethylene copolymer, polyfluoroethylenepropylene.
  • fluoropolymers such as, for example, fluorofluoropolymers polytetrafluoroethylene and polychlorotrifluoroethylene or fluoropolymers ethylene-tetrafluoroethylene copolymer, polyfluoroethylenepropylene.
  • the list of synthetic fibers which can be used to form the core of the textile thread according to the invention is not exhaustive, but is only an example. Suitable blends of the aforementioned plastics can also be used for the filaments.
  • the textile threads according to the invention can have a diameter of 0.12 to 1.5 mm.
  • the textile thread according to the invention with a core and a covering made of PTFE film tapes has the shape of a monofilament on the outside, namely a smooth surface and moreover low elongation at break with high strength and load capacity as well as a round cross-section.
  • a textile thread is proposed in which the core contains at least one conductive filament or multifilament yarn in addition to the filaments made of thermoplastic materials.
  • conductive filament yarns are preferred which have an electrical resistance of 10 0 -10 10 Ohm / cm.
  • the conductive filament yarns preferably contain nylon or polyester as the thermoplastic.
  • the conductivity is achieved by adding carbon, which can be contained in the filament and / or vapor-deposited. A content of 5% by weight carbon is sufficient.
  • the conductive filament yarns are preferably used in a fine design, preferably in the range from 18 to 40 dtex.
  • a conductive filament yarn can have between 1 - 10 filaments.
  • Preferred is a nylon with a melting point in the range of about 215 ° C or polyester with a melting point in the range of about 255 ° C for the conductive filaments.
  • the conductive filament / filament yarn gives the textile thread an improved knot strength and improves the transverse tear resistance, it also contributes to improving the adhesion of the covering to the filaments of the soul.
  • the core consists predominantly of filaments made of high-strength synthetic synthetic fibers and only to a small extent, preferably in the range between 3 and 12% by weight of conductive filaments.
  • textile threads with a core made of high-strength filaments made of polyethylene with an ultra-high molecular weight of 110-1,760 dtex and a tenacity of at least 20 cN / dtex and an elongation at break of less than 8%, preferably less than 4% are preferably used, as well as 3 - 12 wt .-% based on the total weight of the core conductive filament yarn based on nylon or polyester as explained above, wherein the sheath is formed by two foil tapes made of PTFE, which in the S-direction and Z-direction 200-400 turns / m are wrapped around the core, the film tapes preferably having a width of 1-1.5 mm.
  • the core of multifilament yarns made of UHMW-PE of preferably 165 - 880 dtex and conductive filaments / filament yarn remains untwisted smooth or only slightly twisted at less than 30 turns / m.
  • a firm connection of the textile thread is achieved without any hot melt adhesive or other binding agents, whereby a closed covering is formed.
  • the water-repellent design of the sheath and the closed nature of the same also prevent that when the textile thread is used as fishing line, seawater can penetrate into the thread and, after drying, leave salt crystals which lead to friction and destruction of the fishing line each time the fishing line is rewound.
  • a thread of 0.19 mm diameter has a load capacity of approximately 8.1 kg, which is composed of 5.2 kg of the soul and 2.9 kg from the wrapping of the film strips made of PTFE.
  • a textile thread with a diameter of 0.35 mm with multifilaments made of UHMW-PE of the core of 880 dtex (800 denier) results in a load capacity of approx. 30 kg, which is based on 28 kg based on the core and a further 2 5 - 3 kg contribution from the wrapping of the film strips made of PTFE results.
  • the weight and weight ratio of the core to the weight of the covering can influence the weight of the textile Thread / fishing line are determined so that it is somewhat heavier than water and thus does not float on the water, but sinks.
  • a specific weight of the textile thread for use as a fishing line in the range of approximately 1.5-1.8 g / cm 3 is preferred.
  • a heavier textile thread has the advantage that it is easier to throw because it has a higher kinetic energy.
  • Textile threads according to the invention which have a core based on high-strength, high-temperature-resistant and flame-retardant synthetic fibers based, for example, on aramids, which are encased in a covering made of PTFE tape, are particularly suitable for producing textile fabrics, for use as heat protection, for example for manufacturing of protective clothing, which can be temporarily exposed to temperatures above 300 ° C, so that even hot metal particles of z. B. roll off 500 ° C.
  • Such textile fabrics also have a very low elongation at break and are therefore also suitable for membranes of open space structures as heat protection, for example tent roofs, etc. under high loads, even under high mechanical loads.
  • the flame resistance / heat resistance of the textile threads and textiles / fabrics therefrom remains fully intact even after repeated washing and cleaning, because of the chemical resistance of the covering.
  • the water absorption of the textile threads according to the invention is extremely low and negligible, since the covering made of PTFE tapes is water-repellent.
  • the textile thread according to the invention is shown schematically with its individual components in the manufacturing process.
  • the textile thread 1 comprises the core 10, made of filaments 101 or filament yarns 101, which in the example shown are arranged parallel to one another without twisting.
  • the core 10 is wrapped by two foil tapes made of PTFE 201, 202, the foil ribbon 202 being wound in the Z direction and the foil ribbon 201 in the S direction around the core 10, or vice versa, the two foil tapes comprising a closed covering 20 Form PTFE.
  • the film strips 201 and 202 are wrapped tightly around the core 10 at, for example, 200-400 turns / m, with one side covering the entire surface of the core or the first one already lying there Foil tapes are wrapped on top.
  • This wrapping of the core 10 with the foil strips 201, 202 additionally improves the transverse tensile strength of the thread 1 and thus its knot strength.
  • the core 10 and the cover 20 form a firm connection, without any adhesive or other aids.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
EP20040011863 2003-06-26 2004-05-19 Fil textile Expired - Fee Related EP1491668B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10328919 2003-06-26
DE2003128919 DE10328919B4 (de) 2003-06-26 2003-06-26 Textiler Faden

Publications (3)

Publication Number Publication Date
EP1491668A2 true EP1491668A2 (fr) 2004-12-29
EP1491668A3 EP1491668A3 (fr) 2005-04-27
EP1491668B1 EP1491668B1 (fr) 2006-12-27

Family

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Family Applications (1)

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EP20040011863 Expired - Fee Related EP1491668B1 (fr) 2003-06-26 2004-05-19 Fil textile

Country Status (2)

Country Link
EP (1) EP1491668B1 (fr)
DE (2) DE10328919B4 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007131252A1 (fr) * 2006-05-15 2007-11-22 Lenzing Plastics Gmbh Monofilaments chimiquement résistants et à stabilité dimensionnelle, leur procédé de production et leur utilisation
WO2009071293A1 (fr) * 2007-12-07 2009-06-11 Klaus Bloch Corde pourvue d'une âme et d'une gaine entourant l'âme
DE102007061580A1 (de) * 2007-12-18 2009-06-25 Obshestvo S Ogranichennoi Otvetstvennostiu "Ilma" Dichtungsschnur mit einem Kern und einer den Kern umschließenden Umhüllung
CN113668111A (zh) * 2021-09-13 2021-11-19 四川润厚特种纤维有限公司 一种复合纱线及其制备方法

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7918079B2 (en) 2007-12-07 2011-04-05 Klaus Bloch Rope with a core and a casing surrounding the core
FR3022263B1 (fr) * 2014-06-12 2017-10-27 Michelin & Cie Cable gomme in situ comprenant une composition de gommage comprenant un inhibiteur de corrosion
FR3022262B1 (fr) * 2014-06-12 2016-06-03 Michelin & Cie Cable gomme in situ comprenant une composition de gommage comprenant un inhibiteur de corrosion
FR3022261B1 (fr) * 2014-06-12 2016-06-03 Michelin & Cie Cable gomme in situ comprenant une composition de gommage comprenant un inhibiteur de corrosion
DE202014106005U1 (de) * 2014-12-12 2016-03-17 C. Cramer, Weberei, Heek-Nienborg, Gmbh & Co. Kg Mehrschichtiges Verbundprodukt

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH203114A (de) * 1937-05-10 1939-02-28 Drela Flechtmaterialges M B H Flechtstrang.
US5494301A (en) * 1993-04-20 1996-02-27 W. L. Gore & Associates, Inc. Wrapped composite gasket material
EP0860207A1 (fr) * 1997-02-21 1998-08-26 W.L. GORE & ASSOCIATES GmbH Elément d'étanchéité pour colonne à garnissage structuré
WO2002050351A1 (fr) * 2000-12-20 2002-06-27 Daikin Industries, Ltd. Fil retors au tetrafluoroethylene
US20020127398A1 (en) * 1996-06-27 2002-09-12 Andrews Mark A. Protective yarn

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL48437C (fr) * 1937-05-10 1900-01-01
US5296292A (en) * 1990-09-04 1994-03-22 W. L. Gore & Associates, Inc. Elongated cylindrical tensile article
US5883319A (en) * 1995-11-22 1999-03-16 W.L. Gore & Associates, Inc. Strings for musical instruments

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH203114A (de) * 1937-05-10 1939-02-28 Drela Flechtmaterialges M B H Flechtstrang.
US5494301A (en) * 1993-04-20 1996-02-27 W. L. Gore & Associates, Inc. Wrapped composite gasket material
US20020127398A1 (en) * 1996-06-27 2002-09-12 Andrews Mark A. Protective yarn
EP0860207A1 (fr) * 1997-02-21 1998-08-26 W.L. GORE & ASSOCIATES GmbH Elément d'étanchéité pour colonne à garnissage structuré
WO2002050351A1 (fr) * 2000-12-20 2002-06-27 Daikin Industries, Ltd. Fil retors au tetrafluoroethylene

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007131252A1 (fr) * 2006-05-15 2007-11-22 Lenzing Plastics Gmbh Monofilaments chimiquement résistants et à stabilité dimensionnelle, leur procédé de production et leur utilisation
CN101443495B (zh) * 2006-05-15 2012-06-20 连津格塑料有限责任公司 耐化学性和形状稳定的单丝，其制备方法及其用途
WO2009071293A1 (fr) * 2007-12-07 2009-06-11 Klaus Bloch Corde pourvue d'une âme et d'une gaine entourant l'âme
DE102007061580A1 (de) * 2007-12-18 2009-06-25 Obshestvo S Ogranichennoi Otvetstvennostiu "Ilma" Dichtungsschnur mit einem Kern und einer den Kern umschließenden Umhüllung
CN113668111A (zh) * 2021-09-13 2021-11-19 四川润厚特种纤维有限公司 一种复合纱线及其制备方法

Also Published As

Publication number Publication date
EP1491668B1 (fr) 2006-12-27
DE10328919B4 (de) 2007-01-04
EP1491668A3 (fr) 2005-04-27
DE10328919A1 (de) 2005-01-20
DE502004002416D1 (de) 2007-02-08

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