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EP0616065B1 - Tricot double - Google Patents

Tricot double Download PDF

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Publication number
EP0616065B1
EP0616065B1 EP94103516A EP94103516A EP0616065B1 EP 0616065 B1 EP0616065 B1 EP 0616065B1 EP 94103516 A EP94103516 A EP 94103516A EP 94103516 A EP94103516 A EP 94103516A EP 0616065 B1 EP0616065 B1 EP 0616065B1
Authority
EP
European Patent Office
Prior art keywords
spacer
knit
monofilaments
textile
texturized
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.)
Expired - Lifetime
Application number
EP94103516A
Other languages
German (de)
English (en)
Other versions
EP0616065A1 (fr
Inventor
Herbert Baier
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.)
Hoechst AG
Original Assignee
Hoechst AG
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 Hoechst AG filed Critical Hoechst AG
Publication of EP0616065A1 publication Critical patent/EP0616065A1/fr
Application granted granted Critical
Publication of EP0616065B1 publication Critical patent/EP0616065B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04B—KNITTING
    • D04B21/00—Warp knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
    • D04B21/14—Fabrics characterised by the incorporation by knitting, in one or more thread, fleece, or fabric layers, of reinforcing, binding, or decorative threads; Fabrics incorporating small auxiliary elements, e.g. for decorative purposes
    • D04B21/16—Fabrics characterised by the incorporation by knitting, in one or more thread, fleece, or fabric layers, of reinforcing, binding, or decorative threads; Fabrics incorporating small auxiliary elements, e.g. for decorative purposes incorporating synthetic threads
    • 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
    • D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
    • D10B2331/04—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyesters, e.g. polyethylene terephthalate [PET]
    • 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
    • D10B2403/00—Details of fabric structure established in the fabric forming process
    • D10B2403/02—Cross-sectional features
    • D10B2403/021—Lofty fabric with equidistantly spaced front and back plies, e.g. spacer fabrics
    • 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
    • D10B2505/00—Industrial
    • D10B2505/12—Vehicles

Definitions

  • the present invention relates to a textile spacer fabric with two outer knitted webs and an intermediate spacer structure, preferably for upholstery and cladding purposes, with a particularly advantageous combination of recess behavior, textile surface grip and formability.
  • Spacer fabrics are known and have already been used for the upholstery of seating furniture and clothing and as a base for sick beds.
  • a spacer fabric is known from German utility model G 90 16 062, which has improved dimensional stability and permanent recess properties. This goal is achieved there in that the spacing structure consists of web-connecting stitches made of monofilament elastic threads, which are alternately meshed with a knitted web.
  • the monofilaments that form the stitches connecting the web surfaces and thus function as spacer threads should have a thickness of 0.08 to 0.14 mm at a web spacing of approximately 7 mm.
  • the springback of the upper knitted web is formed by spacer tapes made of plastic film divided into strips with a thickness of approximately 0.1 mm and a width of 1-3 mm.
  • These spacer tapes should preferably be made from polypropylene.
  • the knitted spacer fabric described below can substantially improve the deformability, the feel of the textile surface and at the same time simplify and reduce the cost of production and facilitate disposal by recycling.
  • the present invention thus relates to a textile spacer fabric with two outer fabric webs and an intermediate spacer structure, which is characterized in that it has a right-right knit structure, that the fiber materials for the fabric webs and for the spacer structure consist of polyester and that it is used as spacer threads contains side by side monofilament and textured multifilament yarns.
  • the right-right active structure also includes its variants, e.g. plated, openwork, ribbed, offset, wave, muzzle, nub or right-right-crossed.
  • a preferred spacer fabric according to the invention has a basis weight of 200 to 2000 g / m 2 , preferably 200 to 1400 g / m 2 and the vertical distance between its two knitted webs is 2 to 50 mm, preferably 2 to 12 mm. Furthermore, a textile spacer fabric according to the invention is preferred in which the Knitted fabrics have a stitch density corresponding to a machine division from E8 to E28, preferably from E16 to E18.
  • a particularly advantageous combination of rebound behavior and textile surface feel and formability results when 30 to 70% by weight, preferably 40 to 60% by weight, of the spacer threads monofilaments, and accordingly 70 to 30% by weight, preferably 60 to 40% by weight .-%, the spacer threads are textured multifilament yarns.
  • the arrangement of the monofilaments and the textured multifilament yarns in the spacing structure can be done in different ways. It is essential that the monofilaments and the textured multifilament yarns are mixed statistically evenly and distributed over the area of the spacer fabric.
  • An expedient arrangement possibility is that the monofilaments and the textured yarns are integrated next to each other in each row in the spacing structure.
  • a further expedient arrangement possibility is that the monofilaments and the textured yarns alternate in the spacing structure.
  • a special stabilization against lateral displacement and collapse of the two knitted fabrics results when the spacer threads made of monofilaments and textured multifilaments alternate between the stitch chains lying in the longitudinal direction.
  • the spacer construction expediently has a thread density of a total of 20 to 100, preferably 30 to 70 spacer threads per cm 2 .
  • the monofilaments used as spacer threads have expediently a titer from 20 to 150 dtex, preferably from 50 to 110 dtex, the textured multi-parliamentary yarns used as spacer threads are air or false wire textured and expediently have a yarn titer of 50 to 350 dtex and a single titer of 1 to 5 dtex.
  • Figures 1 and 2 illustrate schematically and by way of example two embodiments of the spacer fabric according to the invention.
  • Figure 1 shows a section of a spacer fabric according to the invention in an oblique view with the two outer knitted webs (1) and (1 '), the direction lines (2) and (2') shown in dotted lines, which indicate the position of the wales, and the spacer threads made of monofilaments (3) and textured multifilament yarns (4) running back and forth between the knitted webs (1) and (1 ').
  • the monofilaments and the textured multifilament yarns are integrated next to each other in each row.
  • Figure 2 shows a section of a spacing knitted fabric according to the invention in an oblique view with the two outer knitted webs (1) and (1 '), the direction lines (2) and (2') shown in dotted lines, which indicate the position of the wales, and the spacer threads made of monofilaments (3) and textured multifilament yarns (4) running back and forth between the knitted webs (1) and (1 '), as well as the spacer threads (5), which are fully drawn for clarification, and which extend between adjacent wales.
  • the monofilaments and the textured multifilament yarns are alternately incorporated into the knitted fabric in each warp direction and there is transverse stabilization by the threads changing the wales (5).
  • Polyester is used as the base material for the yarns of the two knitted fabrics and for the monofilaments and textured yarns of the spacer construction.
  • polyester material consist predominantly of building blocks which are derived from aromatic dicarboxylic acids and from aliphatic diols.
  • Common aromatic dicarboxylic acid building blocks are the divalent residues of benzenedicarboxylic acids, especially terephthalic acid and isophthalic acid;
  • Common diols have 2-4 carbon atoms, with ethylene glycol being particularly suitable.
  • Modified polyesters preferably contain at least 85 mol% of ethylene terephthalate units. The remaining 15 mol% then build up from dicarboxylic acid units and glycol units, which act as so-called modifying agents and which allow the person skilled in the art to specifically influence the physical and chemical properties of the filaments produced.
  • dicarboxylic acid units are residues of isophthalic acid or of aliphatic dicarboxylic acid such as, for example, glutaric acid, adipic acid, sebacic acid;
  • diol residues with a modifying action are those of longer-chain diols, for example of propanediol or butanediol, of di- or tri-ethylene glycol or, if present in small amounts, of polyglycol with a molecular weight of approximately 500-2000.
  • Polyesters which are particularly preferred are contain at least 95 mol% ethylene terephthalate units, especially those made from unmodified PET.
  • the spacer fabrics according to the invention made from such polyesters, in particular from polyethylene terephthalate, are not easily ignited.
  • the flame retardant effect can be further enhanced by using flame retardant modified polyesters.
  • flame-retardant modified polyesters are known. They contain additions of halogen compounds, in particular bromine compounds, or, which is particularly advantageous, they contain phosphorus compounds which are condensed into the polyester chain.
  • flame-retardant spacer fabrics according to the invention contain monofilaments and yarns made of polyester, which in the chain are components of the formula wherein R is alkylene or polymethylene with 2 to 6 carbon atoms or phenyl and R 1 is alkyl with 1 to 6 carbon atoms, aryl or aralkyl, contained in condensed form.
  • R is alkylene or polymethylene with 2 to 6 carbon atoms or phenyl and R 1 is alkyl with 1 to 6 carbon atoms, aryl or aralkyl, contained in condensed form.
  • ethylene and R 1 are preferably methyl, ethyl, phenyl, or o-, m- or p-methylphenyl, in particular methyl.
  • the polyesters contained in the spacer fabrics according to the invention expediently have a molecular weight corresponding to an intrinsic viscosity (IV), measured in a solution of 1 g of polymer in 100 ml of dichloroacetic acid at 25 ° C., from 0.5 to 1.4.
  • IV intrinsic viscosity
  • Another object of the present invention is a method for producing the spacer fabric described above, in which a double-web warp knitted fabric is produced on the two needle bars of a warp knitting machine, in which the spacer threads are alternately guided back and forth between the two knitted webs and are knitted in each web , which is characterized in that the laying is controlled so that a right-right structure is knitted in each of the webs, and the perforated needles for the spacer threads are supplied partly with monofilaments, partly with textured multifilament yarns and with all processed fiber materials made of polyester consist.
  • the laying is carried out in such a way that 30 to 70% by weight, preferably 40 to 60% by weight, of the spacer threads are monofilaments, the rest are textured multifilament yarns.
  • the spacer fabric according to the invention has a very good deformability, a pleasant feel of the textile surface and can be disposed of by recycling without any problems. It can therefore be used with particular advantage for upholstering and cladding interiors, such as car interior linings or, especially if a flame-retardant modified polyester is used to manufacture the multifilament yarns and monofilaments, from airframes, express train compartments or public facilities.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Knitting Of Fabric (AREA)
  • Prostheses (AREA)
  • Materials For Medical Uses (AREA)

Claims (15)

  1. Tricot double textile constitué de deux bandes de tricot (1, 1') disposées l'une sur l'autre et d'une structure d'écartement disposée entre les deux bandes ainsi que d'une structure de tricot en côte 1+1, caractérisé en ce que les matières fibreuses utilisées pour les bandes de tricot (1, 1') et pour la structure d'écartement sont en polyester et en ce qu'il contient en tant que fils de l'écateur (3, 4, 5), côte à côte, des monofils (3) et des filés multifilaments texturés (4).
  2. Tricot double textile selon la revendication 1, caractérisé en ce que 30 à 70 % en poids, de préférence 40 à 60 % en poids des filés de la structure d'écartement (3) sont des monofilaments.
  3. Tricot double textile selon au moins l'une des revendications 1 et 2, caractérisé en ce que les monofilaments (3) ont un titre de 20 à 150 dtex, de préférence de 50 à 110 dtex.
  4. Tricot double textile selon au moins l'une des revendications 1 et 3, caractérisé en ce que les filés multifilaments texturés (4) sont texturés à l'air ou par fausse torsion et ont un titre de filé de 50 à 350 dtex et un titre unitaire de 1 à 5 dtex.
  5. Tricot double textile selon la revendication 1, caractérisé en ce que le polyester est un poly(téréphtalate d'éthylène).
  6. Tricot double textile selon au moins l'une des revendications 1 à 5, caractérisé en ce que l'écart vertical des lés de tricot (1, 1') est de 2 à 5 mm, de préférence de 2 à 12 mm.
  7. Tricot double textile selon au moins l'une des revendications 1 à 6, caractérisé en ce que son poids surfacique est de 200 à 1400 g/m2.
  8. Tricot double textile selon au moins l'une des revendications 1 à 7, caractérisé en ce que dans la structure d'écartement, les monofilaments (3) et les filés texturés (4) sont liées côte à côte dans chaque rang.
  9. Tricot double textile selon au moins l'une des revendications 1 à 8, caractérisé en ce que dans la structure d'écartement les monofilaments (3) et les filés texturés (4) se succèdent en alternanant l'un après l'autre.
  10. Procédé de préparation du tricot double de la revendication 1, où on prépare sur les deux barres à aiguilles du métier à tricoter chaîne un article chaîne à double bande, dans lequel les fils dde la structure d'écartement (3, 4, 5) sont conduits en va-et-vient, en alternance, entre les deux bandes de tricot (1, 1') et sont reliés à l'aide de mailles dans chaque bande de façon telle que chacune des bande est tricotée en côte 1+1, caractérisé en ce que l'on amène au trou d'aiguille pour les filés de la structure d'écartement en partie des monofilaments (3), en partie des filés multifilaments texturés (4) et en ce que toutes les matières fibreuses traitées sont en polyester.
  11. Procédé selon la revendication 10, caractérisé en ce que l'on effectue la jetée de façon telle que 30 à 70 % en poids, de préférence de 40 à 60 % en poids des fils de la structure d'écartement soient des monofilaments (3).
  12. Procédé selon au moins l'une des revendications 10 et 11, caractérisé en ce que l'on effectue la jetée de façon telle à ce que les fils de la structure d'écartement en monofilaments (3) et en multifilaments texturés (4), vus dans le sens de la longueur, forment des rangs côte à côte.
  13. Procédé selon au moins l'une des revendications 10 à 12, caractérisé en ce que l'on effectue la jetée de façon telle que les fils de la structure d'écartement en monofilaments (3) et en multifilaments texturés (4) vus dans le sens de la longueur se succèdent en alternance l'un après l'autre.
  14. Procédé selon au moins l'une des revendications 10 à 13, caractérisé en ce que l'on effectue la jetée de façon telle en ce que les fils de la structure d'écartement en monofilaments (3) et en multifilaments texturés (4) soient disposés en alternance entre les chaînes de mailles disposées dans le sens longitudinal.
  15. Utilisation du tricot double textile de la revendication 1, pour le rembourrage et l'habillage.
EP94103516A 1993-03-13 1994-03-08 Tricot double Expired - Lifetime EP0616065B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE9303742 1993-03-13
DE9303742U 1993-03-13
DE9309374U 1993-06-24
DE9309374U DE9309374U1 (de) 1993-03-13 1993-06-24 Abstandsgewirke

Publications (2)

Publication Number Publication Date
EP0616065A1 EP0616065A1 (fr) 1994-09-21
EP0616065B1 true EP0616065B1 (fr) 1997-10-22

Family

ID=25960605

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94103516A Expired - Lifetime EP0616065B1 (fr) 1993-03-13 1994-03-08 Tricot double

Country Status (3)

Country Link
EP (1) EP0616065B1 (fr)
DE (2) DE9309374U1 (fr)
ES (1) ES2108893T3 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010047246A1 (de) 2010-04-14 2011-10-20 Cepventures International Corp. Traghilfe zum Tragen von Kleinkindern am Körper

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4336303A1 (de) * 1993-10-25 1995-04-27 Wirkelastic Gmbh Zweiflächiges feuchtetransportierendes Abstandsgewirke
DE19545596C2 (de) * 1994-12-06 1998-09-10 Ames Europ Bv Innenverkleidungs- und/oder Sitzbezugsstoff für Fahrzeuge, Flugzeuge und dergleichen
EP0820541A1 (fr) * 1995-04-08 1998-01-28 Mothercare Uk Limited Amelioration concernant des matieres d'intercalation
GB2299814A (en) * 1995-04-08 1996-10-16 Mothercare Uk Ltd A spacer material, e.g. for a cot mattress cover
DE19531093A1 (de) * 1995-08-24 1997-02-27 Sandler Helmut Helsa Werke Ärmelfisch
DE19635170C1 (de) * 1996-08-30 1997-09-18 Titv Greiz Feuchteleitendes und absorbierendes Abstandsgewirke
DE19755792C2 (de) * 1997-12-16 2001-05-17 Titv Greiz Textiles Flächengebilde aus mehreren miteinander verbundenen, teilweise elektrisch leitende Drähte/Fäden enthaltenden Gewebelagen
DE19821687B4 (de) * 1998-05-14 2006-03-30 medi Weihermüller & Voigtmann GmbH & Co.KG Dreidimensionales Abstandsgewirke
GB2352959A (en) * 1999-08-11 2001-02-14 Design Prot Systems Ltd An article of protective clothing
DE10260694B4 (de) * 2002-11-29 2008-08-07 Textilforschungsinstitut Thüringen-Vogtland e.V. Verfahren zur Herstellung längselastischer dreidimensionaler textiler Flächengebilde
DE102006023357A1 (de) * 2006-05-17 2007-11-22 Müller Textil GmbH Abstandsgewirke mit umwickelten oder ummaschten Abstandsfäden
GB0908789D0 (en) 2009-05-21 2009-07-01 Heathcoat Fabrics Ltd Knitted fabric
DE102012113194A1 (de) * 2012-12-28 2014-07-03 Müller Textil GmbH Flüssigkeitsverteilschicht für Inkontinenzprodukte
IT201700066165A1 (it) * 2017-06-14 2018-12-14 Campi S R L Tessuto indemagliabile tridimensionale e corrispondente elemento preformato
DE102019107176B4 (de) * 2019-03-20 2022-10-20 Müller Textil GmbH Abstandsgewirke sowie Verwendung eines Abstandsgewirkes

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE413070B (sv) * 1977-11-30 1980-04-14 Eiser Ab Textilt sitt- och liggunderlag
FR2653142B1 (fr) * 1989-10-16 1993-04-23 Chaignaud Ind Materiau composite et son procede de realisation.
DE9016062U1 (de) * 1990-11-26 1991-02-14 Müller Textil GmbH, 5276 Wiehl Textiles Abstandsgewirke
GB9101444D0 (en) * 1991-01-23 1991-03-06 Courtaulds Advanced Materials Thermal insulation materials
DE9302039U1 (de) * 1993-02-12 1993-04-01 Trevira GmbH & Co KG, 60528 Frankfurt Doppelflächige Rundstrickware

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010047246A1 (de) 2010-04-14 2011-10-20 Cepventures International Corp. Traghilfe zum Tragen von Kleinkindern am Körper

Also Published As

Publication number Publication date
EP0616065A1 (fr) 1994-09-21
ES2108893T3 (es) 1998-01-01
DE9309374U1 (de) 1993-08-19
DE59404375D1 (de) 1997-11-27

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