EP1564319B1 - Tissu durable antistatique et ignifugé pour des applications souterraines - Google Patents

Tissu durable antistatique et ignifugé pour des applications souterraines Download PDF

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Publication number
EP1564319B1
EP1564319B1 EP05002760A EP05002760A EP1564319B1 EP 1564319 B1 EP1564319 B1 EP 1564319B1 EP 05002760 A EP05002760 A EP 05002760A EP 05002760 A EP05002760 A EP 05002760A EP 1564319 B1 EP1564319 B1 EP 1564319B1
Authority
EP
European Patent Office
Prior art keywords
strips
threads
fabric
underground
textile web
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.)
Not-in-force
Application number
EP05002760A
Other languages
German (de)
English (en)
Other versions
EP1564319A2 (fr
EP1564319A3 (fr
Inventor
Susanne Schulte-Wantia
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.)
Dr Klaus Schulte Chemisch-Technische Fabrikation GmbH
Original Assignee
Dr Klaus Schulte Chemisch-Technische Fabrikation 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 Dr Klaus Schulte Chemisch-Technische Fabrikation GmbH filed Critical Dr Klaus Schulte Chemisch-Technische Fabrikation GmbH
Publication of EP1564319A2 publication Critical patent/EP1564319A2/fr
Publication of EP1564319A3 publication Critical patent/EP1564319A3/fr
Application granted granted Critical
Publication of EP1564319B1 publication Critical patent/EP1564319B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F5/00—Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
    • D03D15/50—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads
    • D03D15/513—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads heat-resistant or fireproof
    • 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
    • D02G3/441—Yarns or threads with antistatic, conductive or radiation-shielding properties
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
    • D03D15/40—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the structure of the yarns or threads
    • D03D15/44—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the structure of the yarns or threads with specific cross-section or surface shape
    • D03D15/46—Flat yarns, e.g. tapes or films
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
    • D03D15/50—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads
    • D03D15/533—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads antistatic; electrically conductive
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2401/00—Physical properties
    • D10B2401/16—Physical properties antistatic; conductive

Definitions

  • the invention relates to an underground usable fabric web of tapes or threads made of thermoplastic material, resulting in a sheet-like cloth, interwoven with each other and are equipped antistatic.
  • an antistatic additive for thermoplastics that consists of an electrically conductive network of non-metallic, microcrystalline needles. This network can be melted or can be introduced into the melt, so that it advantageously crystallizes out on cooling. The corresponding network is then embedded in the plastic compound and thus advantageously resistant to wear, since it exits only selectively at the surface of the thread or the ribbon.
  • the network is provided as an admixture to the electrically conductive ribbons to increase their conductivity.
  • From the DE 100 48 765 C2 is known as an antistatic, quasi-conductive tissue known whose leakage resistance is greater than 10 8 - 10 11 ⁇ . It has no flame retardant additive, so it must not be used in underground mining and similar vulnerable areas.
  • the DE 198 26 120 C2 protects a fabric, which is intended primarily for high-strength packaging, ie for so-called big-bags.
  • the electrically non-conductive threads are with a flame-retardant, halogen-containing
  • the electrically conductive threads consist of a thermoplastic material which either has a conductivity-increasing additive (to a surface resistance of ⁇ 10 4 ⁇ ) or in which these additives are dispersed or which are coated with such an additive, wherein these electrically conductive threads after the core of this invention are shrinkable when exposed to heat. By shrinking the electrically conductive threads, they should escape the flame, so that a kind of flame control is achieved.
  • the invention is therefore based on the object to provide a fabric web that can be used with improved tensile load values even in highly explosive areas without special additional measures.
  • the tapes or threads are equipped with the tensile strength of the ribbon or thread enhancing additives.
  • specific influence is exerted on the tensile strength of the entire fabric web, wherein, if necessary, it is also possible to selectively influence the tensile strength, for example in the longitudinal direction or in the circumferential direction or in the transverse direction.
  • An optimization provides that the needles are introduced into the plastic melt in such a way that they crystallize out on cooling to an electrically conductive network. With appropriate addition of amounts and with appropriate procedure, it is ensured that there are star-shaped networks that are connected to each other, so that the necessary conductivity is given.
  • the invention provides that the part of the quasi-electrically conductive and the part of the electrically non-conductive strips are filled with the tensile strength of the ribbons or filaments-increasing additives ,
  • the halogen-free product "Flamestab NOR 116" is used according to another embodiment, this product manufactured by Ciba is also referred to as "flame retardant and UV stabilizer for polyolefin flame retardant applications”. Flamestab NOR 116 is therefore particularly well suited for the intended use case, because it allows the flame retardant properties to be optimally realized. These halogen-free substances provide sufficient heat and UV resistance.
  • the conductivity-increasing additive with a mass fraction of 5 to 20%, preferably 15 to 18% entered into the melt of the ribbon is.
  • the flame retardant additive is blended with a Flammmasseanteil of 0.5 to 1.8%, preferably 1% of the melt of the tapes.
  • the corresponding cloth or fabric web should be used in underground mining, and it is advantageous if the band forming the cloth are sewn to an underground support pillars or containers or to support tubes or cushions, the seams of the quasi-electrically conductive ribbon or threads and where the number of these bands or threads is greatly increased in the seams.
  • the corresponding cloth or fabric web is ideal because the non-metallic, microcrystalline, an electrically conductive network resulting needles in the plastic ensure that harmful charges can not build up, especially because a permanent corona discharge takes place. The charges are distributed over the rather large area of the fabric web, thus avoiding local concentrations of electrical charge that can become hazardous.
  • the seams consist of quasi-electrically conductive ribbon, so that in addition to a kind of main conductor results over the forming charges can be selectively and easily dissipated.
  • the respective seam then forms an advantageous one continuous central conductor.
  • Halogen-free flame retardant additives are particularly easy to process.
  • the regions of the underground support pillars or support hoses lying against the mountains have an increased number of quasi-electrically conductive strips, preferably 40 to 75%.
  • the fabric web can be used especially in underground mining, because even if a fire should occur, the fabric does not support the fire, but rather behaves quasi neutral or contributes to the extinguishment of the fire.
  • the equipment of the fabric is supported by an additive in which the needles in the form of a "permanent antistatic agent Ciba Irgastat P 18 and / or P 22 and / or Pebax from Atofina Chemicals" are mixed.
  • the tapes or threads with a tensile strength-increasing additive
  • the invention is also to be realized in that the tapes are provided with a tensile strength-increasing layer.
  • a coating is easier to apply, whereby not only a coating surrounding the individual tapes or threads is to be considered, but also a layer covering the fabric web.
  • this layer can also contribute to or lead to a possibly desired water-tightness, depending on the thickness in which it is applied. It can be equipped with flame retardant and / or antistatic additives at the same time.
  • the cloth consists of the non-conducting tapes / threads constituting the base material, into or onto the quasi-electrically conductive tapes and / or threads only in the longitudinal direction or only are introduced or applied extending transversely and at a small distance of ⁇ 30 mm. Under the circumstances mentioned, this is sufficient, the distance being small, but nevertheless the processing is facilitated.
  • a further embodiment provides that the cloth has a coating to which a "permanently antistatic agent Ciba Irgastat P 18 and / or P 22" is mixed, so that the entire coating not only acts sealingly, but at the same time provides the necessary electrical discharge , Thus it can not lead to an impairment, d. H. come to a charge of surface areas or even the entire surface, for example, an underground used fabric web, so that the necessary safety and tightness is guaranteed. It is advantageous if the coating is applied only to the side facing away from the mountains of the cloth, this completely or at least largely sealing, because on the mountain side facing an impairment or charging is not hazardous and because you in this way and ways to keep costs down. It is advantageous, however, to provide such a coating on both sides of the cloth.
  • the invention is characterized in particular by the fact that in underground mining with its many hazardous areas now also an advantageous to be processed fabric in the form of strips of ribbons is used, this fabric is permanently antistatic and at the same time permanently flame retardant equipped so that they the special conditions and Completely complies with requirements in underground mining, whereby the tensile strength of the ribbons is significantly improved by additives.
  • the lasting effect in terms of flame retardancy of all threads as well as anti-static while maintaining the tensile strength of advantage because just in the Inserts in underground mining can not be prevented, that also a high load on the threads or the ribbon or the entire fabric web occurs.
  • the intended for use fabric web of tapes or threads of thermoplastic material is designed so that the important for the antistatic effect tapes contain important for the quasi-conductivity components in the form of non-metallic, microcrystalline, an electrically conductive network resulting needles on Duration retain their effect, ie even if these fabric sheets over a long period must be correspondingly effective and safe.
  • the water-tightness is also to be ensured, in particular if a coating consists of a mass which possesses the necessary antistatic and / or flame-retardant properties.
  • FIG. 1 shows a support pillar 1 commonly used in underground mining, which is used and braced between hanging 2 and 3 or 3 lying down slope sole 34 and ridge 2 in order to keep the cavity 7 and the track sufficiently long open.
  • This support pillar 1 consists of a cloth 10 or a fabric web, which is sewn together so that usually with a seam 18 is to get along. This creates a large diameter exhibiting hose into which is filled over the filler 5 building material.
  • 4 is the foot area and 6 denotes a support ring which is arranged in the head area 8 of the support pillar 1.
  • FIG. 2 shows in an enlarged representation of such a fabric sheet or cloth 10 of quasi-electrically conductive tapes 11, 12, 11 ', 12' and electrically non-conductive tapes 13, 13 ', 14, 14'. It is clear that the quasi-electrically conductive strips 11, 12 and corresponding part 15 forms a fabric cross 40, which is integrated into the rest of the cloth 10 or placed on this, so as to effectively avoid the emergence of charges.
  • FIG. 3 shows a single such thread, which belongs to a ribbon 11 and 12 and which is equipped with a network 28 forming needles 24, 25, 26, which reproduce a flow path 27 due to their network formation. This is very much emphasized in order to clarify its existence or course. In reality, only the individual needles 24, 25, 26 in each case in connection, but not a correspondingly more stable connection corresponding needles 24 to 26. Here are the nature and design of the individual needles but how FIG. 3 clarifies, in any case, ensures that they can be made available over almost electrically conductive threads or ribbons 11 and 12.
  • FIG. 4 is a driven into the mountains 20 distance 29 reproduced, which is supported on Auszubögen 31.
  • a support tube 30 is placed on the upper part of the expansion arch.
  • the fabric webs or wipes 10 can be seen, which are also optionally overlapping each other placed on the expansion arch 31 and which are pressed in the upper region, for example by the support tube on the expansion arch 31.
  • these wipes 10 or fabric webs are also drawn over the region of the outward opening of the seam 32 in order to prevent the relatively fine-grained material from entering the path or the cavity 7 falls into it.
  • drafting mats are also usually used which, viewed from the expansion arch 31, support the fabric web or the cloth 10.
  • FIG. 5 shows such a fabric sheet or a cloth 10 which is provided on the side 36 with a coating 35 to make the cloth 10 and the fabric sheet according to substantially waterproof.
  • This coating 35 is usually equipped with the antistatic additive to limit or avoid the emergence of corresponding charges here in this area.
  • FIG. 6 shows a section through a ribbon 11, 12, 13, 14 or rather by a single thread of such a ribbon, said thread is equipped after the upper section with the conductivity-increasing additive and thus has become quasi electrically conductive, while to FIG. 6 a layer 38 is provided, via which the tensile strength of the electrically non-conductive tapes 11 or threads is selectively increased. It is also conceivable to bring appropriate additives into the plastic of the thread 11, 12, 13, 14, wherein the enumeration of the reference character 13 and 14 made it clear that these tensile strength-increasing additives just in the quasi-electric leading threads is brought in.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Woven Fabrics (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Fireproofing Substances (AREA)

Claims (12)

  1. Ruban textile utilisable en souterrain composé de bandelettes (11, 12, 13, 14) ou de fils en matière synthétique thermoplastique qui sont tissés ensemble de manière à former un tissu (10) plan et dont une partie (16) est conçue de manière à ne pas conduire le courant et une autre partie (15) est conçue de manière à être en permanence antistatique, caractérisé en ce que la partie (15) en permanence antistatique est réalisée de manière à quasiment conduire le courant et à produire un effet antistatique permanent de 108 à 1011 Ω par dispersion d'additifs augmentant la conductibilité sous forme d'aiguilles (24, 25, 26) non métalliques microcristallines formant un réseau (28) conducteur de courant, et en ce que les bandelettes (11, 12, 13, 14) ou les fils sont réalisés de manière à être dans leur ensemble ignifuges en permanence par dispersion de substances ayant un effet ininflammable sous forme d'un produit sans halogène, et en ce que les bandelettes (11, 12, 13, 14) ou les fils sont équipés d'additifs augmentant la résistance à la traction des bandelettes (11, 12, 13, 14) ou des fils.
  2. Ruban textile utilisable en souterrain selon la revendication 1,
    caractérisé en ce que
    les aiguilles (24, 25, 26) sont introduites dans la masse fondue de matière synthétique de telle sorte que, lors du refroidissement, elles se cristallisent en un réseau (28) conducteur de courant.
  3. Ruban textile utilisable en souterrain selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    la partie (15) et la partie (16) des bandelettes (11, 12, 13) sont remplies d'additifs augmentant la résistance à la traction des bandelettes (11, 12, 13, 14) ou des fils.
  4. Ruban textile utilisable en souterrain selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    le produit sans halogène « Flamestab NOR 116 » est utilisé comme additif pour l'ignifugeage.
  5. Ruban textile utilisable en souterrain selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    l'additif augmentant la conductibilité est ajouté à la masse fondue des bandelettes (11, 12, 15) avec une teneur en eau de 15 à 20, de préférence 15 à 18 %.
  6. Ruban textile utilisable en souterrain selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    l'additif ignifuge est mélangé à la masse fondue des bandelettes (13, 14, 16) avec une teneur en eau de 0,5 à 1,8 %, de préférence 1 %.
  7. Ruban textile utilisable en souterrain selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    les bandelettes (11, 12, 13, 14) constituant le tissu (10) sont cousues vers un pilier de soutènement souterrain (1) ou vers un récipient souterrain ou vers des tuyaux de support (30) ou vers des coussins, les coutures (18) des tuyaux de support (30), des récipients ou des coussins étant composées des bandelettes (11, 12, 15) ou des fils quasiment conducteurs de courant et le nombre de ces bandelettes (11, 12, 15) ou fils étant considérablement plus élevé dans les coutures.
  8. Ruban textile utilisable en souterrain selon la revendication 7,
    caractérisé en ce que
    les zones (21, 22) des piliers de soutènement souterrains (1) ou des tuyaux de support (30) appuyées contre la roche (20) présentent un nombre plus élevé de bandelettes (11, 12, 15) quasiment conductrices de courant, de préférence 40 à 75 %.
  9. Ruban textile utilisable en souterrain selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    les bandelettes (11, 12, 13, 14) sont dotées d'une couche (38) augmentant la résistance à la traction.
  10. Ruban textile utilisable en souterrain selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    le tissu (10) est composé des bandelettes (11, 12, 13, 14) / fils non conducteurs représentant le matériau de base, tissu dans lequel ou sur lequel des bandelettes (11, 12, 15) et/ou des fils quasiment conducteurs de courant sont introduits ou appliqués de manière à s'étendre uniquement dans le sens longitudinal ou uniquement dans le sens transversal et avec un minime écartement < 30 mm.
  11. Ruban textile utilisable en souterrain selon l'une quelconque des revendications précédentes,
    caractérisé en ce que
    le tissu (10) présente un revêtement (35) qui est mélangé à un « permanent antistatic Agent Ciba Irgastat P 18 et/ou P 22 ».
  12. Ruban textile utilisable en souterrain selon la revendication 11,
    caractérisé en ce que
    le revêtement (35) est appliqué uniquement sur le côté (36) opposé à la roche (20) du tissu (10) de manière à rendre ce dernier complètement ou au moins en grande partie étanche.
EP05002760A 2004-02-12 2005-02-10 Tissu durable antistatique et ignifugé pour des applications souterraines Not-in-force EP1564319B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004006871 2004-02-12
DE102004006871A DE102004006871A1 (de) 2004-02-12 2004-02-12 Dauerhaft ableitfähiges und dauerhaft flammhemmendes Gewebe

Publications (3)

Publication Number Publication Date
EP1564319A2 EP1564319A2 (fr) 2005-08-17
EP1564319A3 EP1564319A3 (fr) 2005-12-28
EP1564319B1 true EP1564319B1 (fr) 2009-01-07

Family

ID=34684018

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05002760A Not-in-force EP1564319B1 (fr) 2004-02-12 2005-02-10 Tissu durable antistatique et ignifugé pour des applications souterraines

Country Status (3)

Country Link
EP (1) EP1564319B1 (fr)
AT (1) ATE420228T1 (fr)
DE (2) DE102004006871A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109763237A (zh) * 2019-01-24 2019-05-17 太原理工大学 一种煤矿用阻燃抗静电面料的制备方法

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008046053A1 (de) 2008-09-08 2010-03-11 Dr. Klaus Schulte Gmbh Chemisch-Technische Fabrikation Sicherheitsgewebe für brandgefährdete Bereiche
CN101792949B (zh) * 2010-03-10 2012-02-01 司振海 矿用防静电筒布

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2101559B (en) 1981-07-09 1985-12-04 Humber Fabrics Limited Electrically conductive container
DE3938414C2 (de) * 1989-08-19 1994-04-14 Eurea Verpackung Schüttgutbehälter aus einem gewebten Tragbeutel und daran befestigten Tragvorrichtungen
GB9418955D0 (en) 1994-09-21 1994-11-09 Ciba Geigy Ag Novel electroconductive composition
DE29710701U1 (de) * 1997-06-19 1997-08-28 Schulte Klaus Dauerhaft ableitfähiges Gewebe für den Untertageeinsatz
DE19826120C2 (de) * 1998-03-20 2001-06-07 Eurea Verpackung Flammhemmendes, elektrisch leitendes Gewebe
DE10048765C2 (de) * 2000-09-29 2003-02-20 Eurea Verpackung Antistatisches Gewebe für flexible Schüttgutbehälter
TR200103444A2 (tr) * 2001-11-28 2003-06-23 Sunj�T@Sun�@J�T@Sanay�@Ve@T�C@A@� Daimi antistatik etki sağlayan çoklu ip formasyonuna sahip büyük çuval

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109763237A (zh) * 2019-01-24 2019-05-17 太原理工大学 一种煤矿用阻燃抗静电面料的制备方法

Also Published As

Publication number Publication date
EP1564319A2 (fr) 2005-08-17
ATE420228T1 (de) 2009-01-15
DE102004006871A1 (de) 2005-09-01
DE502005006410D1 (de) 2009-02-26
EP1564319A3 (fr) 2005-12-28

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