EP1264025B1 - Produit plat textile constitue de fibres naturelles - Google Patents

Produit plat textile constitue de fibres naturelles Download PDF

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Publication number
EP1264025B1
EP1264025B1 EP01916922A EP01916922A EP1264025B1 EP 1264025 B1 EP1264025 B1 EP 1264025B1 EP 01916922 A EP01916922 A EP 01916922A EP 01916922 A EP01916922 A EP 01916922A EP 1264025 B1 EP1264025 B1 EP 1264025B1
Authority
EP
European Patent Office
Prior art keywords
fibers
fibres
fibre
textile fabric
bast
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
EP01916922A
Other languages
German (de)
English (en)
Other versions
EP1264025A1 (fr
Inventor
Klaus Sommer
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.)
Vliestec AG
Original Assignee
Vliestec 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 Vliestec AG filed Critical Vliestec AG
Publication of EP1264025A1 publication Critical patent/EP1264025A1/fr
Application granted granted Critical
Publication of EP1264025B1 publication Critical patent/EP1264025B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/44—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling
    • D04H1/46—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres
    • D04H1/492—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres by fluid jet
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
    • D04H1/4266—Natural fibres not provided for in group D04H1/425
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
    • D04H1/4326—Condensation or reaction polymers
    • D04H1/435—Polyesters

Definitions

  • the invention relates to a textile fabric Natural fibers, preferably bast fiber or mixtures of Bast fibers that have been solidified by fluid jets.
  • Nonwovens are made of which natural fibers, plastic fibers and may contain glass fibers.
  • the one for the layers Nonwovens are used individually by needling solidified. Due to needle breakage remaining in the needled nonwoven inevitably metallic needle particles back. These can lead to considerable problems lead in subsequent processing steps.
  • Thermally bonded natural fiber nonwovens are also known. These offer the advantage that even shorter fibers can be used.
  • the fibers are made before or provided with a binder after laying the fleece or in a mixture with thermoplastic binding fibers processed. The supply of heat activates this Binder or leads to the melting of the binding fibers and thereby to solidify the fleece.
  • nonwoven Such a nonwoven is described in DE 196 02 551 C1 described.
  • the mat shown consists of a Fiber mixture of natural and thermoplastic binding fibers.
  • binding fibers or Binder Through the use of binding fibers or Binder is a pure reuse of the Nonwovens not possible.
  • the release can possibly of chemicals used to bind during the Use cannot be excluded.
  • thermoplastic binding fibers or thermoplastic binder when using natural fibers makes the manufactured products expensive and pure Recycling impossible.
  • the invention has for its object textile fabrics to create from natural fibers, preferably bast fibers, that do not require an additional binder that Allow processing of short fibers and residual dust and the Give fabrics good strength values.
  • natural fibers preferably bast fibers form excellent textile fabrics using the fluid jet consolidation process processed.
  • bast fibers are relatively stiff and with a lot of woody parts, short fibers and dusts are afflicted with a high load on the filtration system, which cleans the working medium from foreign substances, to prevent clogging of the high pressure nozzles , it was surprisingly found that the high load on the filtration system failed to materialize.
  • the natural fibers are solidified, preferably bast fibers to textile fabrics due to fluid jets as well as fiber entanglement Fiber matting due to the actually disruptive proportions Short fibers and fiber dusts.
  • Fiber matting occurs through the short fibers and dusts under the influence of the high pressure fluid jets a decrease in the stiffness of the woody components towards greater flexibility, which too contributes to an improvement in the formation of fleece.
  • hemp fibers which is based on the tensile strengths that can be achieved.
  • the fabric according to the invention consists of natural fibers, preferably made of bast fibers and in particular Hemp fibers which contain a high proportion of residues from the Fiber digestion, such as short fibers, fiber dusts and others Include fiber accompanying substances.
  • feedstocks for the textile fabrics according to the invention can can be manufactured and purchased at a reasonable price.
  • Fleece laying can be mechanical, aerodynamic or hydrodynamic take place, the bonding of the fleece takes place by fluid jets, preferably by water jets.
  • fluid jets preferably by water jets.
  • Residues such as short fibers, fiber dusts, etc. are collected and together with already solidified fleece particles, which are crushed and made up accordingly supplied before or during the consolidation of the natural fibers. Contrary to current known methods, are positive effects on the Properties of the textile fabrics according to the invention achieved.
  • Fluid jet-consolidated textile fabrics made of preferably Coarse bast fibers of short length were previously considered cannot be produced because bast fibers have poor processing properties due to the poor intertwining of the fibers have.
  • the textile fabric according to the invention the very good felting properties of the bast fibers, especially when using coarse fibers with large Scattering range used for the fineness, where matting through the introduction of production residues is further strengthened.
  • the textile fabrics according to the invention can in their structure be both uniform, as well as from one Core layer consist of one or both sides with Cover layers is equipped. You can at one multilayer structure both core and the Top layers made of pure bast fibers, only different Composition and / or compression exist. As well can be made of synthetic resin or fibers in the outer layers inorganic fibers are incorporated. Preferably only bast fibers are used to build up the core layer.
  • the structure of the multi-layer textile fabric can run continuously through a multiple pass the consolidation device take place at the new Fibers fed to the fabric already formed become.
  • the The core layer-forming fleece is already prefabricated Fleece laid on and then by fluid jet consolidation with each other get connected.
  • the weight per unit area of the textile fabrics can be between 30 to 3000 g / m and the tensile strength between 100 up to 25000 N / m can be set.
  • the textile fabrics according to the invention have a dense to open structure and are characterized by high Tensile strength.
  • the preferred construction from pure Raffia fiber opens up a wide range of applications, z. B. as a material for wall covering, as an element of a Building material system, for the production of open to diffusion Insulation materials, coating substrates, filtration nonwovens, Geotextiles, wipes, carpets, reinforcing nonwovens and as a semi-finished product for the production of molded parts.
  • the textile fabric consists of hemp fibers with high Proportion of residues from fiber digestion without the addition of binders or other fibers and solidified after water jet technology.
  • the mass per unit area is 50 g / m, the tensile strength in the longitudinal direction 600 N / m, the tensile strength in the transverse direction at 300 N / m a thickness of 0.8 mm.
  • the textile fabric is primarily suitable as a coating carrier z. B. in Combination with resin systems, as environmentally friendly Packaging material or as a layer of sandwich material.
  • the textile fabric consists of hemp fibers without Addition of binders and other fibers and was solidified by water jets.
  • the mass per unit area is 300 g / m at a thickness of 1.5 mm, the tear resistance is 7000 N / m in the longitudinal direction and in the transverse direction 5000 N / m. Due to the high compression of the nonwoven this is particularly suitable for hydroentangling as insulating fleece in flooring systems.
  • the textile fabric consists of hemp fibers with a Proportion of residues and was solidified with water jets.
  • the basis weight is 120 g / m, the tear resistance in the longitudinal direction 700 N / m and in the transverse direction 500 N / m.
  • the textile fabrics are particularly useful as coating substrates or as a replacement for reinforcement materials Glass fiber nonwovens in sandwich systems for molded parts suitable.
  • Comparative article made from regenerated cellulose fibers under the same Solidification conditions produced have significant lower strengths. So the tensile strength is only 200 N / m in the longitudinal and transverse directions.
  • Example 2 There was a textile fabric according to Example 2 used. Through special control of the hardening process or by aggregates after solidification textile fabrics have a defined surface structure given. Such structured textile fabrics are used in particular as wall coverings a wallpaper.
  • the textile fabric consists of a mixture of 50% hemp fibers and 50% PET bicomponent fibers, which be solidified by water jets.
  • the 2.5 mm thick Textile fabrics have a tensile strength of 11000 N / m in the longitudinal direction or 8000 N / m in the transverse direction. By Activation of the bicomponent fibers in the drying process the tensile strength can be increased further. This is given a special use as a reinforcing material.
  • the textile fabric consists of a mixture of 50% hemp fibers and 50% polypropylene fibers, which by Water jets were solidified.
  • the textile fabric has good mechanical properties, so tear resistance of 11000 N / m in the longitudinal direction and 8000 N / m in the transverse direction.
  • Such textile fabrics can be used well in thermoforming processes reshape. You get natural fiber reinforced Components.
  • the textile fabric was made from hemp fibers without the addition of binders or other fibers and through Water jets solidified.
  • the thickness of the fabric is 4 mm, the mass per unit area 1500 g / m, the tensile strength in the longitudinal direction 18000 N / m and in the transverse direction 15000 N / m.
  • the very high wet strength of the textile fabric enables use in special filters e.g. B. for inclusion of heavy metals in sewage sludge filtration. Further Applications are as insulation and for manufacturing of structured panels.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Nonwoven Fabrics (AREA)
  • Details Of Garments (AREA)

Claims (2)

  1. Produit plat textile, caractérisé par une couche de noyau et des couches de revêtement sur un seul côté ou sur les deux côtés constitués de fibres libériennes, fixées par des jets de fluide, de préférence des jets d'eau, en particulier de fibres de chanvre, ayant une teneur élevée en matières résiduelles telles que des fibres courtes, poussières de fibres, autres substances d'accompagnement de fibres et des particules de substances nappées déjà fixées dans la couche de noyau et de grammages de 30 à 3000 g/m2.
  2. Produit plat textile selon la revendication 1, caractérisé par des résistances à la déchirure de 100 à 25 000 N/m dans la direction longitudinale et transversale.
EP01916922A 2000-03-07 2001-03-07 Produit plat textile constitue de fibres naturelles Expired - Lifetime EP1264025B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE20004553U DE20004553U1 (de) 2000-03-07 2000-03-07 Bastfaservliesstoff
DE20004553U 2000-03-07
PCT/DE2001/000943 WO2001066845A1 (fr) 2000-03-07 2001-03-07 Produit plat textile constitue de fibres naturelles

Publications (2)

Publication Number Publication Date
EP1264025A1 EP1264025A1 (fr) 2002-12-11
EP1264025B1 true EP1264025B1 (fr) 2004-07-07

Family

ID=7938640

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01916922A Expired - Lifetime EP1264025B1 (fr) 2000-03-07 2001-03-07 Produit plat textile constitue de fibres naturelles

Country Status (4)

Country Link
EP (1) EP1264025B1 (fr)
AT (1) ATE270721T1 (fr)
DE (2) DE20004553U1 (fr)
WO (1) WO2001066845A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002050355A1 (fr) * 2000-12-19 2002-06-27 M & J Fibretech A/S Bande continue comprenant une bande de base et des fibres formees par soufflage, entremelees hydrauliquement sur la bande de base
DE20118508U1 (de) 2001-10-30 2002-02-28 VLIESTEC AG, 10587 Berlin Textiles mehrschichtiges Sandwichsystem aus Naturfasern mit Flächengewichten größer als 200 g/qm
GB2452235A (en) * 2007-03-05 2009-03-04 Eco Mats Ltd Plant fibre mat and method of making a plant fibre mat
FR2972462B1 (fr) * 2011-03-08 2013-03-08 Geco Ingenierie Procede et dispositif de production de geotextile non tisse et geotextile ainsi produit
FR3166390A1 (fr) * 2024-09-19 2026-03-20 Occitanie Geotex Procédé de fabrication d’un géotextile biosourcé

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2655361B1 (fr) * 1989-12-01 1992-02-28 Kaysersberg Sa Procede de fabrication de nontisses hydrophiles comportant des fibres naturelles, en particulier du coton ecru, nontisses obtenus.
FR2662711B2 (fr) 1989-12-01 1992-08-14 Kaysersberg Sa Procede de fabrication de nontisse.
GB2264512A (en) * 1992-02-28 1993-09-01 Lantor Hydro-entangled non-woven fabric
SE503272C2 (sv) * 1994-08-22 1996-04-29 Moelnlycke Ab Nonwovenmaterial framställt genom hydroentangling av en fiberbana samt förfarande för framställning av ett sådant nonwovenmaterial
PL178324B1 (pl) * 1994-09-26 2000-04-28 Lippert Unipol Gmbh Narzędzie do mechanicznej obróbki powierzchni
SE514726C2 (sv) * 1995-02-27 2001-04-09 Sca Hygiene Prod Ab Förfarande för framställning av hydroentanglat nonwovenmaterial med förhöjd våtstyrka samt material framställt genom förfarandet
DE19640622C2 (de) * 1996-10-01 1998-11-12 Moeller Plast Gmbh Baustoff und Verfahren sowie Vorrichtung zur Herstellung eines Baustoffs
FR2781818B1 (fr) * 1998-07-31 2000-09-01 Icbt Perfojet Sa Procede pour la realisation d'un materiau non-tisse complexe et nouveau type de materiau ainsi obtenu
BR9914659A (pt) 1998-10-23 2001-07-17 Dexter Corp Compósito não tecido, processo para a produção do mesmo, artigo, e, método de fabricação do mesmo.
FR2795100B1 (fr) * 1999-06-16 2001-09-14 Fort James France Produit de coton hydrophile comportant une face douce et une face grattante

Also Published As

Publication number Publication date
DE50102794D1 (de) 2004-08-12
ATE270721T1 (de) 2004-07-15
EP1264025A1 (fr) 2002-12-11
WO2001066845A1 (fr) 2001-09-13
DE20004553U1 (de) 2000-09-28

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