EP0900295A1 - Procede pour fabriquer un non-tisse par aiguilletage hydrodynamique et produit ainsi obtenu - Google Patents

Procede pour fabriquer un non-tisse par aiguilletage hydrodynamique et produit ainsi obtenu

Info

Publication number
EP0900295A1
EP0900295A1 EP96927024A EP96927024A EP0900295A1 EP 0900295 A1 EP0900295 A1 EP 0900295A1 EP 96927024 A EP96927024 A EP 96927024A EP 96927024 A EP96927024 A EP 96927024A EP 0900295 A1 EP0900295 A1 EP 0900295A1
Authority
EP
European Patent Office
Prior art keywords
nonwoven
needling
fleece
water
pva fibers
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
EP96927024A
Other languages
German (de)
English (en)
Other versions
EP0900295B1 (fr
Inventor
Gerold Fleissner
Alfred Watzl
Ullrich MÜNSTERMANN
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 EP0900295A1 publication Critical patent/EP0900295A1/fr
Application granted granted Critical
Publication of EP0900295B1 publication Critical patent/EP0900295B1/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
    • D04H18/00—Needling machines
    • D04H18/04—Needling machines with water jets
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
    • Y10T442/689—Hydroentangled nonwoven fabric

Definitions

  • the invention has for its object to develop a method with which
  • Nonwoven fabricated from these PVA fibers can be continuously solidified at a higher speed than in the mechanical process and a product can thereby be produced which is uniformly solidified and is essentially impermeable to liquids.
  • the invention has now found that with some special parameters it is still possible to consolidate a nonwoven product made from this fiber using the hydrodynamic method. So it is z. B. advantageous if the previously moistened non-woven is acted upon on both sides with the water jets and in each case by several water jets in succession, the energy of the jets of the following nozzle bars should always be higher, for. B. from 50 bar to 120 bar on the first side and from 120 bar to 160 bar on the second side. The last needling on each side should take place at about 80 bar and be carried out with a larger number of water jets distributed over the width of the nonwoven in order to achieve a uniformly smooth surface. With these conditions, a nonwoven weight of 40 to 150 g / m 2 can be consolidated. The transport speed of the nonwoven during consolidation is 70 m / min and more. The fleece treatment speed is only dependent on the possible fleece speed. The production speed is adapted to the respective fleece weights, in any case it is lower with higher weights. 7
  • the needled fleece is to be mechanically dewatered immediately before drying, e.g. B. squeeze or suction to achieve a moisture that is not higher than 100% moisture. Then the fleece is to be dried with a drying air that is not heated higher than 120 ° C. It is particularly advantageous if the drying takes place with the ventilation, here in particular with the treatment, on a rotating sieve drum placed inside with suction and the air speed in the fleece is increased by up to 4 m / sec by a high fan speed. Various tests have shown that this method does not damage the PVA fiber. Both during the drying process and during the subsequent hot final treatment, there were no discernible disadvantages like the usual brown spots. Basically, drying is also possible with a belt dryer, where ventilation can also be generated, or with an IR dryer or the like
  • the fleece should also be provided with a water-repellent impregnation such as foam or liquid impregnation, it is advisable to do this after a first Carry out drying to 30% moisture, unless the impregnation is carried out wet in wet. Then after the first drying, the second drying stage should be carried out in the same way as the first at a temperature up to 120 ° C and the fleece should be fully dried. It is also possible to apply the impregnation only after drying. B. up to 5% moisture. After the needled fleece has dried completely, it is no problem if the fleece is still crosslinked at temperatures up to 210 ° C

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Nonwoven Fabrics (AREA)

Abstract

La fabrication d'un non-tissé à partir d'une fibre d'alcool polyvinylique (PVA) est connue. Le principal avantage de cette fibre PVA est sa solubilité dans l'eau. Le non-tissé subit donc un aiguilletage mécanique en vue de sa consolidation. L'invention concerne un procédé faisant également appel à un aiguilletage hydrodynamique. L'invention est également caractérisée par des paramètres particuliers relatifs au traitement ultérieur lors de l'aiguilletage dans l'eau et lors du séchage qui s'ensuit.
EP96927024A 1996-05-22 1996-07-17 Procédé pour fabriquer un non-tissé par aiguilletage hydrodynamique Expired - Lifetime EP0900295B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19620503 1996-05-22
DE19620503A DE19620503A1 (de) 1996-05-22 1996-05-22 Verfahren zur Herstellung eines Vlieses durch hydromechanisches Vernadeln und Produkt nach diesem Herstellungsverfahren
PCT/EP1996/003130 WO1997044512A1 (fr) 1996-05-22 1996-07-17 Procede pour fabriquer un non-tisse par aiguilletage hydrodynamique et produit ainsi obtenu

Publications (2)

Publication Number Publication Date
EP0900295A1 true EP0900295A1 (fr) 1999-03-10
EP0900295B1 EP0900295B1 (fr) 2000-05-31

Family

ID=7794943

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96927024A Expired - Lifetime EP0900295B1 (fr) 1996-05-22 1996-07-17 Procédé pour fabriquer un non-tissé par aiguilletage hydrodynamique

Country Status (5)

Country Link
US (1) US6112385A (fr)
EP (1) EP0900295B1 (fr)
CN (1) CN1119446C (fr)
DE (2) DE19620503A1 (fr)
WO (1) WO1997044512A1 (fr)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6420284B1 (en) 1999-03-26 2002-07-16 Isolyser Company, Inc. Poly (vinyl alcohol) wipes
AU4001300A (en) * 1999-03-26 2000-10-16 Isolyser Company, Inc. Spunlaced poly(vinyl alcohol) fabrics
US6319455B1 (en) 1999-08-13 2001-11-20 First Quality Nonwovens, Inc. Nonwoven fabric with high CD elongation and method of making same
CA2389223A1 (fr) * 1999-10-28 2001-05-03 Kimberly-Clark Worldwide, Inc. Materiau non tisse dispersible
US6576575B2 (en) 2000-05-15 2003-06-10 Kimberly-Clark Worldwide, Inc. Dispersible adherent article
EP1424425A1 (fr) * 2002-11-27 2004-06-02 Polyfelt Gesellschaft m.b.H. Procédé de fabrication de géotextiles à partir de filaments spunbond
ATE474949T1 (de) * 2003-03-10 2010-08-15 Kuraray Co Polyvinylalkoholfasern und diese enthaltende vliesstoffe
FR2856952B1 (fr) * 2003-07-01 2006-09-01 Rieter Perfojet Nontisse biodegradable
DE10345086A1 (de) * 2003-07-16 2005-02-03 Fleissner Gmbh Vollsynthetisches Wischtuch, Verfahren und Anlage zur Herstellung des Wischtuchs
ATE373130T1 (de) * 2003-07-16 2007-09-15 Fleissner Gmbh Vollsynthetisches wischtuch, verfahren und anlage zur herstellung des wischtuches
US7328463B2 (en) * 2003-09-08 2008-02-12 Microtek Medical Holdings, Inc. Water-soluble articles and methods of making and using the same
US7378360B2 (en) 2003-12-17 2008-05-27 Kimberly-Clark Worldwide, Inc. Water dispersible, pre-saturated wiping products
US20090069825A1 (en) * 2005-03-22 2009-03-12 Agency For Science, Technology And Research Scaffold and Method of Forming Scaffold by Entangling Fibres
EP1931482A2 (fr) * 2005-09-12 2008-06-18 Sellars Absorbent Materials, Inc. Procédé et dispositif pour fabriquer une serviette, un mouchoir et des raclettes sur un cardage à l'air ou une ligne de flux d'air utilisant des liaisons d'hydrogène
EP2128320B1 (fr) * 2008-05-29 2013-09-25 Reifenhäuser GmbH & Co. KG Maschinenfabrik Procédé et dispositif destinés à la fabrication de tissus non tissés en filaments
KR101001260B1 (ko) 2009-10-14 2010-12-14 (주)태봉 친환경 한지부직포의 제조방법
DE202019100745U1 (de) 2019-02-08 2020-05-11 Autefa Solutions Germany Gmbh Trocknungseinrichtung

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3930086A (en) * 1971-01-05 1975-12-30 Johnson & Johnson Apertured nonwoven fabrics
US4970104A (en) * 1988-03-18 1990-11-13 Kimberly-Clark Corporation Nonwoven material subjected to hydraulic jet treatment in spots
US5650219A (en) * 1991-04-10 1997-07-22 Isolyser Co. Inc. Method of disposal of hot water soluble garments and like fabrics
US5885907A (en) * 1993-04-29 1999-03-23 Isolyser Company, Inc. Method of disposal of hot water soluble garments and like fabrics
US5500281A (en) * 1994-02-23 1996-03-19 International Paper Company Absorbent, flushable, bio-degradable, medically-safe nonwoven fabric with PVA binding fibers, and process for making the same

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO9744512A1 *

Also Published As

Publication number Publication date
CN1119446C (zh) 2003-08-27
WO1997044512A1 (fr) 1997-11-27
US6112385A (en) 2000-09-05
EP0900295B1 (fr) 2000-05-31
DE19620503A1 (de) 1997-11-27
DE59605371D1 (de) 2000-07-06
CN1191582A (zh) 1998-08-26

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