EP1392905A1 - Procede de consolidation d'une bande de matiere formee de pate de bois - Google Patents

Procede de consolidation d'une bande de matiere formee de pate de bois

Info

Publication number
EP1392905A1
EP1392905A1 EP02740646A EP02740646A EP1392905A1 EP 1392905 A1 EP1392905 A1 EP 1392905A1 EP 02740646 A EP02740646 A EP 02740646A EP 02740646 A EP02740646 A EP 02740646A EP 1392905 A1 EP1392905 A1 EP 1392905A1
Authority
EP
European Patent Office
Prior art keywords
wood pulp
web
fibers
needling
water
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
EP02740646A
Other languages
German (de)
English (en)
Other versions
EP1392905B1 (fr
Inventor
Gerold Fleissner
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.)
Truetzschler Nonwovens GmbH
Original Assignee
Fleissner 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 Fleissner GmbH filed Critical Fleissner GmbH
Publication of EP1392905A1 publication Critical patent/EP1392905A1/fr
Application granted granted Critical
Publication of EP1392905B1 publication Critical patent/EP1392905B1/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
    • D04H1/04—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres having existing or potential cohesive properties, e.g. natural fibres, prestretched or fibrillated artificial fibres
    • D04H1/26—Wood pulp
    • 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
    • D04H1/70—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres
    • D04H1/72—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being randomly arranged
    • D04H1/732—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being randomly arranged by fluid current, e.g. air-lay

Definitions

  • EP-A-0 359 615 discloses a method for forming a web of cellulose fibers only, such as wood pulp, which is formed on the wet path and then only dried. There is no consolidation in the sense of intertwining of the fibers there.
  • EP-A-0 308 320 It is known from EP-A-0 308 320 to produce a higher-strength web by adding a further layer of up to 90% wood pulp mixed with staple fibers to a web of continuous filaments that are wet. Both together are then hydrodynamically needled for solidification.
  • US-A-6 110 848 considers a composite to be advantageous if the up to 90% thick wood pulp layer has a backing made of a cardboard staple fiber between 30 and 100 mm.
  • a third fleece made of such staple fibers can complete the compost on the top with the wood pulp layer in the middle. All of this should be solidified hydrodynamically.
  • Such composites are advantageous in some applications, but the artificial fibers deemed necessary do not absorb any moisture, which is why a further product is sought that also has sufficient strength.
  • the invention is therefore based on the object of finding a method for producing a nonwoven that has the highest possible liquid absorption capacity and additionally sufficient strength that ensures that the nonwoven can be used in the respective applications.
  • the nonwoven made of wood pulp after a dry formation process e.g. B. an air laying process dry on an endless belt and should be compressed as usual by suction on the endless belt.
  • the pure wood pulp web i.e. a material web made of 100% wood pulp fibers, is only subjected to hydrodynamic needling for consolidation and then dried.
  • the Wood Pulp fibers were first moistened between two endless belts with a water pressure of 10 bar.
  • the actual solidifying needling was then carried out on one or both sides with only a water pressure of 20 bar.
  • the water pressure should not be chosen too high, a pressure of 15 - 40 bar is advantageous.
  • the sieve chosen for suppression when needling should only have a low permeability of about 10% open area in order to control pulp loss.
  • the wood pulp fibers have a length of 1 - 5 mm.
  • the length depends on the tree, the type of plant.
  • a preferred nonwoven should have fibers have different lengths, preferably also longer than 5 mm long fibers. It was surprisingly found that even these short fiber lengths can be confused with the hydroentanglement in order to produce a nonwoven that is consolidated in all dimensions.
  • the wet and solidified Wood Pulp fleece can be sprayed with a binder before drying, before it is then dried immediately.
  • wood pulp web can also be mixed with other fibers before or after water needling or can be connected to another web made of other fibers such as staple or continuous fibers or also natural fibers.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Nonwoven Fabrics (AREA)
  • Paper (AREA)
  • Joining Of Building Structures In Genera (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)

Abstract

La fabrication d'un non-tissé à partir de pâte de bois sur voie humide est connue. Ce non-tissé possède un toucher de type bois et papier. C'est pourquoi les fibres de pâte de bois souhaitées et utilisées avantageusement dans l'industrie de l'hygiène pour l'absorption de liquides sont toujours mélangées avec des fibres chimiques en tant qu'élément de support, afin d'obtenir une bande possédant une solidité suffisante. La présente invention consiste à aiguilleter un non-tissé constitué uniquement de pâte de bois avec de l'eau, ce qui permet d'obtenir un papier-linge consolidé qui est doux au toucher et possède un pouvoir élevé d'absorption de l'humidité.
EP02740646A 2001-05-30 2002-05-24 Procede de consolidation d'une bande de matiere formee de pate de bois Expired - Lifetime EP1392905B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10126515 2001-05-30
DE10126515A DE10126515A1 (de) 2001-05-30 2001-05-30 Verfahren zum Verfestigen einer aus Wood Pulp gebildeten Warenbahn
PCT/EP2002/005697 WO2002097181A1 (fr) 2001-05-30 2002-05-24 Procede de consolidation d'une bande de matiere formee de pate de bois

Publications (2)

Publication Number Publication Date
EP1392905A1 true EP1392905A1 (fr) 2004-03-03
EP1392905B1 EP1392905B1 (fr) 2009-07-29

Family

ID=7686763

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02740646A Expired - Lifetime EP1392905B1 (fr) 2001-05-30 2002-05-24 Procede de consolidation d'une bande de matiere formee de pate de bois

Country Status (11)

Country Link
US (1) US7293336B2 (fr)
EP (1) EP1392905B1 (fr)
JP (1) JP2004530060A (fr)
KR (1) KR20040025683A (fr)
CN (1) CN1520477A (fr)
AT (1) ATE437985T1 (fr)
BR (1) BR0210935A (fr)
CA (1) CA2448937C (fr)
DE (2) DE10126515A1 (fr)
IL (1) IL158988A0 (fr)
WO (1) WO2002097181A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI20055074A (fi) * 2005-02-18 2006-08-19 Suominen Nonwovens Ltd Sellukuitua sisältävä vesineulattu kuitukangas ja menetelmä sen valmistamiseksi
FR2884530B1 (fr) * 2005-04-18 2007-06-01 Ahlstrom Res And Services Sa Support fibreux destine a etre impregne de liquide.
US8250719B2 (en) * 2009-03-03 2012-08-28 The Clorox Company Multiple layer absorbent substrate and method of formation
DE102009032343A1 (de) * 2009-07-09 2011-01-20 Fleissner Gmbh Und Co. Vorrichtung zum Verfestigen einer Materialbahn
JP5721523B2 (ja) * 2011-04-28 2015-05-20 ユニチカ株式会社 抗菌性セルロース系不織布の製造方法
US9394637B2 (en) * 2012-12-13 2016-07-19 Jacob Holm & Sons Ag Method for production of a hydroentangled airlaid web and products obtained therefrom

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3485706A (en) * 1968-01-18 1969-12-23 Du Pont Textile-like patterned nonwoven fabrics and their production
US3994047A (en) * 1975-04-11 1976-11-30 International Paper Company Apparatus for the twin-wire air laying of fibrous pads
US4755421A (en) * 1987-08-07 1988-07-05 James River Corporation Of Virginia Hydroentangled disintegratable fabric
US4808467A (en) * 1987-09-15 1989-02-28 James River Corporation Of Virginia High strength hydroentangled nonwoven fabric
EP0359615A1 (fr) * 1988-09-01 1990-03-21 James River Corporation Of Virginia Fabrication de structures composites superabsorbantes
EP0373974A3 (fr) * 1988-12-15 1990-09-05 Fiberweb North America, Inc. Procédé de préparation d'une étoffe non tissée fortement absorbante
US5128082A (en) * 1990-04-20 1992-07-07 James River Corporation Method of making an absorbant structure
US5137600A (en) * 1990-11-01 1992-08-11 Kimberley-Clark Corporation Hydraulically needled nonwoven pulp fiber web
SE467499B (sv) * 1990-11-19 1992-07-27 Moelnlycke Ab Foerfarande foer hydroentangling
CA2048905C (fr) * 1990-12-21 1998-08-11 Cherie H. Everhart Tissu composite non tisse a haute teneur en pulpe
US6022818A (en) * 1995-06-07 2000-02-08 Kimberly-Clark Worldwide, Inc. Hydroentangled nonwoven composites
US6110848A (en) * 1998-10-09 2000-08-29 Fort James Corporation Hydroentangled three ply webs and products made therefrom
DE19938809A1 (de) * 1999-08-19 2001-02-22 Fleissner Maschf Gmbh Co Verfahren und Vorrichtung zur Herstellung eines Kompositvlieses zur Aufnahme und Speicherung von Flüssigkeiten
WO2001053588A2 (fr) * 2000-01-17 2001-07-26 Fleissner Gmbh & Co. Maschinenfabrik Procede et dispositif pour produire des non tisses composites par enchevetrement par eau
DE10008746A1 (de) * 2000-02-24 2001-08-30 Fleissner Maschf Gmbh Co Verfahren und Vorrichtung zur Herstellung von Verbundvliesstoffen mittels hydrodynamischer Vernadelung
US7326318B2 (en) * 2002-03-28 2008-02-05 Sca Hygiene Products Ab Hydraulically entangled nonwoven material and method for making it
US20050278912A1 (en) * 2004-06-16 2005-12-22 Westland John A Hydroentangling process

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO02097181A1 *

Also Published As

Publication number Publication date
JP2004530060A (ja) 2004-09-30
WO2002097181A1 (fr) 2002-12-05
US20040221437A1 (en) 2004-11-11
DE50213723D1 (de) 2009-09-10
BR0210935A (pt) 2004-06-08
ATE437985T1 (de) 2009-08-15
DE10126515A1 (de) 2002-12-05
IL158988A0 (en) 2004-05-12
KR20040025683A (ko) 2004-03-24
US7293336B2 (en) 2007-11-13
CA2448937A1 (fr) 2002-12-05
EP1392905B1 (fr) 2009-07-29
CN1520477A (zh) 2004-08-11
CA2448937C (fr) 2009-07-14

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