EP1264025A1 - Textiles flächengebilde aus naturfasern - Google Patents
Textiles flächengebilde aus naturfasernInfo
- Publication number
- EP1264025A1 EP1264025A1 EP01916922A EP01916922A EP1264025A1 EP 1264025 A1 EP1264025 A1 EP 1264025A1 EP 01916922 A EP01916922 A EP 01916922A EP 01916922 A EP01916922 A EP 01916922A EP 1264025 A1 EP1264025 A1 EP 1264025A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- fibers
- textile fabric
- fibres
- fibre
- 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.)
- Granted
Links
- 239000004744 fabric Substances 0.000 title abstract description 36
- 239000004753 textile Substances 0.000 title abstract description 33
- 239000000835 fiber Substances 0.000 abstract description 79
- 244000025254 Cannabis sativa Species 0.000 abstract description 9
- 235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 abstract description 9
- 235000012765 Cannabis sativa ssp. sativa var. spontanea Nutrition 0.000 abstract description 9
- 235000009120 camo Nutrition 0.000 abstract description 9
- 235000005607 chanvre indien Nutrition 0.000 abstract description 9
- 239000012530 fluid Substances 0.000 abstract description 9
- 239000011487 hemp Substances 0.000 abstract description 9
- 239000000126 substance Substances 0.000 abstract description 5
- 238000009950 felting Methods 0.000 abstract description 3
- 239000011230 binding agent Substances 0.000 description 10
- 238000007596 consolidation process Methods 0.000 description 9
- 239000010410 layer Substances 0.000 description 8
- 239000000203 mixture Substances 0.000 description 8
- 239000004745 nonwoven fabric Substances 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 229920001169 thermoplastic Polymers 0.000 description 6
- 239000004416 thermosoftening plastic Substances 0.000 description 6
- 238000001914 filtration Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 239000012792 core layer Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229920003002 synthetic resin Polymers 0.000 description 3
- 239000000057 synthetic resin Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000029087 digestion Effects 0.000 description 2
- 239000003365 glass fiber Substances 0.000 description 2
- 239000012774 insulation material Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000012779 reinforcing material Substances 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 229920003043 Cellulose fiber Polymers 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000009408 flooring Methods 0.000 description 1
- 239000004746 geotextile Substances 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 239000012784 inorganic fiber Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000004627 regenerated cellulose Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 239000011265 semifinished product Substances 0.000 description 1
- 239000010801 sewage sludge Substances 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 238000003856 thermoforming Methods 0.000 description 1
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 made of natural fibers, preferably bast fiber or mixtures of bast fibers, which have been consolidated by fluid jets.
- DE 94 22 147 Ul describes a multi-layer body which consists of different layers of nonwovens, which can contain natural fibers, plastic fibers and glass fibers.
- the nonwovens used for the layers are individually consolidated by needling. If a needle breaks, metallic needle particles will inevitably remain in the needled nonwoven. These can lead to considerable problems in subsequent processing steps.
- Thermally bonded natural fiber nonwovens are also known. The advantage of this is that shorter fibers can also be used.
- the fibers are provided with a binder before, during or after the fleece laying, or processed in a mixture with thermoplastic binder fibers. The application of heat activates the binder or leads to the melting of the binding fibers and thereby to the consolidation of the fleece.
- a nonwoven is described in DE 196 02 551 Cl.
- the mat shown consists of a fiber mixture of natural and thermoplastic binding fibers.
- a top layer made of thermoplastic fibers is used. Through the use of binding fibers or binding agents, it is not possible to reuse the nonwovens by type. In addition, the release of chemicals used to bind chemicals during use cannot be excluded.
- thermoplastic binder fibers or thermoplastic binders when using natural fibers makes the manufactured products expensive and sorted recycling is impossible.
- the invention has for its object to create textile fabrics made of natural fibers, preferably bast fibers, which do not require an additional binder, allow the processing of short fibers and residual dusts and give the fabrics good strength values.
- natural fibers preferably bast fibers
- bast fibers are relatively stiff and have a lot of woody parts, short fibers and dusts, which put a high load on the filtration system, which cleans the working medium of the foreign substances.
- the filtration system was not subjected to high loads.
- the fabric according to the invention consists of natural fibers, preferably of bast fibers and in particular of hemp fibers, which contain a high proportion of residues from fiber digestion, such as short fibers, fiber dusts and other fiber accompanying substances.
- feedstocks for the textile fabrics according to the invention can be produced and purchased at a favorable price.
- the fleece can be laid mechanically, aerodynamically or hydrodynamically, the fleece is consolidated by fluid jets, preferably by water jets.
- the residues arising in the area formation and consolidation process such as short fibers, fiber dusts, etc. are collected and together with already solidified nonwoven particles, which are comminuted and appropriately tailored supplied before or during the consolidation of the natural fibers. In contrast to currently known methods, these residues have positive effects on the properties of the textile fabrics according to the invention.
- the structure of the textile fabrics according to the invention can be both uniform and also consist of a core layer which is provided on one or both sides with cover layers.
- both the core and the cover layers can consist of pure bast fibers, only different compositions and / or densities. Fibers made of synthetic resin or inorganic fibers can also be incorporated into the cover layers. Preferably only bast fibers are used to build up the core layer.
- the structure of the multilayer textile fabric can be carried out continuously by a repeated pass through the consolidation device, in which new fibers are fed to the already formed fabric.
- prefabricated nonwovens can be placed on the nonwoven forming the core layer and then connected to one another by fluid jet consolidation.
- the weight per unit area of the textile fabrics can be set between 30 and 3000 g / m and the tensile strength between 100 and 25000 N / m.
- the textile fabrics according to the invention have a dense to open structure and are distinguished by high tear strength.
- the preferred structure of pure bast fibers opens up a wide range of applications, e.g. B. as a material for wall cladding, as an element of a building material system, for the production of vapor-permeable insulation materials, coating substrates, filtration nonwovens, geotextiles, wiping cloths, carpets, reinforcing nonwovens and as a semi-finished product for the production of molded parts.
- the textile fabric consists of hemp fibers with a high proportion of residues from fiber digestion, produced without the addition of binders or other fibers and solidified using water jet technology.
- the areas aces is 50 g / m, the tensile strength in the longitudinal direction 600 N / m, the tensile strength in the transverse direction 300 N / m with a thickness of 0.8 mm.
- the textile fabric is primarily suitable as a coating substrate for. B. in combination with resin systems, as environmentally friendly packaging material or as a layer of a sandwich material.
- the textile fabric consists of hemp fibers without the addition of binders and other fibers and was consolidated using water jets.
- the mass per unit area is 300 g / m with a thickness of 1.5 mm, the tensile strength is 7000 N / m in the longitudinal direction and 5000 N / m in the transverse direction. Due to the high compaction of the nonwoven during water jet consolidation, it is particularly suitable as an insulating fleece in flooring systems.
- the textile fabric consists of hemp fibers with a proportion of residues and was consolidated with water jets.
- the mass per unit area is 120 g / m
- the tensile strength in the longitudinal direction is 700 N / m and in the transverse direction 500 N / m.
- the textile fabrics are particularly suitable as coating supports or as replacements for reinforcing materials made of glass fiber nonwovens in sandwich systems for molded parts. Comparative articles made from regenerated cellulose fibers under the same consolidation conditions have significantly lower strengths.
- the tensile strength in the longitudinal and transverse directions is only 200 N / m.
- a textile fabric according to Example 2 was used.
- the textile fabric is given a defined surface structure through special control of the hardening process or through aggregates after the hardening.
- Such structured textile fabrics are used in particular as wallcovering instead of wallpaper.
- the textile fabric consists of a mixture of 50% hemp fibers and 50% PET bicomponent fibers, which are consolidated by water jets.
- the 2.5 mm thick textile fabric has a tensile strength of 11000 N / m in the longitudinal direction and 8000 N / m in the transverse direction. By activating the bicomponent fibers in the drying process, the tensile strength can be increased further. This gives it a special use as a reinforcing material.
- the textile fabric consists of a mixture of 50% hemp fibers and 50% polypropylene fibers, which have been consolidated by water jets.
- the textile fabric has good mechanical properties, so tear resistance 11000 N / m in the longitudinal direction and 8000 N / m in the transverse direction.
- Such textile fabrics can be easily formed in thermoforming processes. Natural fiber reinforced components are obtained.
- the textile fabric was made from hemp fibers without the addition of binders or other fibers and solidified by water jets.
- the thickness of the textile fabric is 4 mm
- the basis weight is 1500 g / m
- the tensile strength in the longitudinal direction is 18000 N / m
- in the transverse direction is 15000 N / m.
- the very high wet strength of the textile fabric enables use in special filters, e.g. B. for the absorption of heavy metals in sewage sludge filtration.
- Other applications are as insulation material and for the production of structured panels.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- Nonwoven Fabrics (AREA)
- Details Of Garments (AREA)
Description
Claims
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 (de) | 2000-03-07 | 2001-03-07 | Textiles flächengebilde aus naturfasern |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1264025A1 true EP1264025A1 (de) | 2002-12-11 |
| EP1264025B1 EP1264025B1 (de) | 2004-07-07 |
Family
ID=7938640
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP01916922A Expired - Lifetime EP1264025B1 (de) | 2000-03-07 | 2001-03-07 | Textiles flächengebilde aus naturfasern |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP1264025B1 (de) |
| AT (1) | ATE270721T1 (de) |
| DE (2) | DE20004553U1 (de) |
| WO (1) | WO2001066845A1 (de) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002050355A1 (en) * | 2000-12-19 | 2002-06-27 | M & J Fibretech A/S | Web consisting of a base web and air-laid fibres hydroentangled on the base web |
| 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 |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2662711B2 (fr) | 1989-12-01 | 1992-08-14 | Kaysersberg Sa | Procede de fabrication de nontisse. |
| 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. |
| 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 |
| PT804316E (pt) * | 1994-09-26 | 2000-04-28 | Lippert Unipol Gmbh | Dispositivo para o tartamento mecanico de superficies |
| 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 |
| AU769205B2 (en) | 1998-10-23 | 2004-01-22 | Dexter Corporation, The | Nonwoven for polymer moulding applications |
| FR2795100B1 (fr) * | 1999-06-16 | 2001-09-14 | Fort James France | Produit de coton hydrophile comportant une face douce et une face grattante |
-
2000
- 2000-03-07 DE DE20004553U patent/DE20004553U1/de not_active Expired - Lifetime
-
2001
- 2001-03-07 WO PCT/DE2001/000943 patent/WO2001066845A1/de not_active Ceased
- 2001-03-07 DE DE50102794T patent/DE50102794D1/de not_active Expired - Fee Related
- 2001-03-07 AT AT01916922T patent/ATE270721T1/de not_active IP Right Cessation
- 2001-03-07 EP EP01916922A patent/EP1264025B1/de not_active Expired - Lifetime
Non-Patent Citations (1)
| Title |
|---|
| See references of WO0166845A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| DE50102794D1 (de) | 2004-08-12 |
| DE20004553U1 (de) | 2000-09-28 |
| WO2001066845A1 (de) | 2001-09-13 |
| EP1264025B1 (de) | 2004-07-07 |
| ATE270721T1 (de) | 2004-07-15 |
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