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EP2116645B1 - Procédé de fabrication de tissus non tissés - Google Patents

Procédé de fabrication de tissus non tissés Download PDF

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Publication number
EP2116645B1
EP2116645B1 EP08384007A EP08384007A EP2116645B1 EP 2116645 B1 EP2116645 B1 EP 2116645B1 EP 08384007 A EP08384007 A EP 08384007A EP 08384007 A EP08384007 A EP 08384007A EP 2116645 B1 EP2116645 B1 EP 2116645B1
Authority
EP
European Patent Office
Prior art keywords
web
spun
card
layer
apron
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.)
Active
Application number
EP08384007A
Other languages
German (de)
English (en)
Other versions
EP2116645A1 (fr
Inventor
Casimiro Verdaguer Torrens
Carlos Viñas Pich
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.)
BC Nonwovens SL
Original Assignee
BC Nonwovens SL
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 BC Nonwovens SL filed Critical BC Nonwovens SL
Priority to AT08384007T priority Critical patent/ATE529556T1/de
Priority to PL08384007T priority patent/PL2116645T3/pl
Priority to EP08384007A priority patent/EP2116645B1/fr
Priority to ES08384007T priority patent/ES2373349T3/es
Publication of EP2116645A1 publication Critical patent/EP2116645A1/fr
Application granted granted Critical
Publication of EP2116645B1 publication Critical patent/EP2116645B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • D04H1/42—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
    • D04H1/4374—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 using different kinds of webs, e.g. by layering webs
    • 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
    • D04H13/00—Other non-woven fabrics
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M17/00—Producing multi-layer textile fabrics

Definitions

  • This invention relates to the manufacturing of non-woven fabrics within the technical textile sector; more specifically, the manufacturing of fabrics for wet wipes. Specifically, this invention relates to a method of manufacturing non-woven fabrics, by forming a fabric with three layers (known as CSC): a first card layer (C layer), a second spun layer (S layer) and a third card layer (C layer).
  • CSC three layers
  • the product whereto this invention relates is a non-woven fabric, with interlaced fibres, designed to produce wet wipes to be used on the human skin. For this reason, the fabric must be absorbent and soft to the touch.
  • Patent EP1192306 discloses a CSC fabric wherewith the necessary absorption and feel are obtained, by adding the spun's greater resistance, making it possible to create products that have the same or better characteristics than the previous conventional products.
  • a first carded web is introduced in the spun machine's apron, inside it, wherein the spun layer is deposited by the action of a strong vacuum.
  • the two-layer fabric is subsequently coated by a third card layer, which creates problems upon feeding the webs and extracting the compound web.
  • the layers are then compacted by means of cold pinch rollers, which leads to the problem of excessively reducing the thickness, which must remain within an adequate range.
  • Patent application US2005/0215156A1 proposes to pre-consolidate the spun web by means of a first water jet, to subsequently complete the consolidation by means of a second water jet; it mentions that, prior to the second jet, layers of other types of webs made of continuous polymer filaments may be added. This pre-consolidation of the spun web may entail problems and requirements that are not always justified by the quality of the final product obtained.
  • the purpose of this invention is to join the two production methodologies explained above, by forming a fabric with three layers (known as CSC), a first card layer (C layer), a second spun layer (S layer) and a third card layer (C layer), which produces the necessary absorption and feel, but free from the above-mentioned problems and disadvantages of the state of the art, by adding the spun's greater resistance, making it possible to create products with the same or better characteristics than current products, even having greater thickness, greater bulking capacity and better feel characteristics, much more suitable for the intended use.
  • CSC three layers
  • C layer first card layer
  • S layer second spun layer
  • C layer third card layer
  • the object of this invention is a new method of manufacturing non-woven fabrics, of the type specified in claim 1 which, in essence, is characterised by a stage wherein the continuous filaments of the unconsolidated spun web are placed directly on the first card web, to subsequently deposit the second card web on the spun web.
  • the spun web is fed on the first card layer by means of a transport apron that forms a certain angle with the surface of the card layer, which is preferably maintained in the horizontal position.
  • Said angle is preferably less than or equal to 35 degrees.
  • the method also considers a stage of impregnation with a surfactant in order to hydrophilise it, thereby compensating for the spun product's (continuous PP filaments) hydrophobic properties.
  • both the spun web and the first card web coated by the spun web are made to go through weed rollers with a breathable surface and a (vacuum) suction section.
  • this invention discloses the non-woven fabric product manufactured by means of the method as claimed in the preceding claims, as well as a wet wipe manufactured from the above-mentioned non-woven fabric product.
  • the application of the unconsolidated spun web makes it possible to optimise the final characteristics of the final products obtained by means of the method of the invention, specifically, albeit not exclusively, wet wipes.
  • One possible explanation is that, since the S layer is not pre-consolidated, a stronger bond is obtained between the C-S-C layers when they are consolidated in the Jet, thus obtaining a cohesive product with the required tractions and thickness. In this manner, the "barrier" effect caused by the S layer placed in the middle of the product is also reduced.
  • the essence of the invention consists of allowing for good coupling of the spun web (continuous filaments) between the two card webs (short fibres).
  • FIG. 1 is a schematic view representing an installation for the implementation of the method of this invention.
  • web is understood to mean the formation of fibres in a uniform, unconsolidated (there is no dimensional stability) layer on an apron
  • fabric is understood to mean an already-consolidated web, that is, one having stable dimensions and a high level of cohesion between the fibres or filaments that compose it.
  • Weed roller 5 is a roller with a breathable surface and a (vacuum) suction section designed to transport unconsolidated web 7.
  • Spun web 7 descends on an apron 17 and is deposited on the first card web 3, transported by a second apron 8 and carried by weed roller 6, from apron 17 to apron 8, being deposited on card web 3.
  • a compound web 9 is formed which is made of the first card web 3 and the superimposed spun web 7.
  • Angle a is preferably between 0 and 35°.
  • a second card web 11 is produced on a second card 10 and deposited on compound web 9, which advances on the second apron 8, forming the CSC compound web 16, which constitutes the object of the invention; following entanglement by a water jet 12, a hydrophiliser 13 and a drier 14, the non-woven fabric is formed and, after being spooled in a winder 15, the final product, that is, the fabric designed for manufacturing wet wipes and other uses, is obtained.
  • hydrophiliser 13 it is important to mention that it is necessary to impregnate the product with a surfactant in order to hydrophilise it, so as to achieve the standard values of absorption, wicking rate and sinking time in the wet wipe market. This addition is necessary to overcome the spun product's (continuous PP filaments) hydrophobic properties.
  • the method of the invention leads to a product 16 (wet wipe) with good thickness, transverse traction capacity, absorption capacity and product dimensional stability (linting, lamination) characteristics.
  • the product may be imprinted by means of thermoprinting or hydroprinting and may be subject to already-known finishes or coatings.
  • Card webs made of Vs/PES, Vs/PP or Vs with fibres between 0.9 dtex and 5 dtex, and lengths between 30 and 70 mm.
  • Spun webs 7 between 6 and 20 g/m2.
  • Card webs 3 and 11 between 6 and 30 g/m2.
  • Final thickness of product 16 between 0.5 and 1.2 mm.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Nonwoven Fabrics (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Laminated Bodies (AREA)

Claims (6)

  1. Méthode pour fabriquer des étoffes non tissées en formant une étoffe à trois nappes (connues comme CSC) : une première nappe de carde (nappe C), une deuxième nappe filée (nappe S) et une troisième nappe de carde (nappe C), comprenant une première étape de formation d'un voile filé non consolidé (7) dans une station de filage (4) et une seconde étape de pose des filaments continus (18) directement sur un premier voile de carde (3), pour ensuite déposer le second voile de carde (11) sur le voile filé (7), caractérisée en ce que le voile filé non consolidé (7), formé par des filaments continus (18) (p. ex. de PP ou PET), sort de la station de filage (4) et est transporté entre les bandes transporteuses par un rouleau d'aspiration (5), celui-ci étant un rouleau avec une surface perméable à l'air et une partie aspirante conçu pour transporter le voile non consolidé (7), où le voile filé (7) descend sur une bande transporteuse (17) et est déposé sur le premier voile de carde (3), transporté par une deuxième bande transporteuse (8) et porté par le rouleau d'aspiration (6) de la bande transporteuse (17) jusqu'à la bande transporteuse (8), étant déposé sur le voile de carde (3), un voile composé (9) étant ainsi formé qui est fait du premier voile de carde (3) et du voile filé (7) superposé.
  2. Méthode, selon la revendication 1, caractérisée en ce que le voile filé (7) est amené au dessus du premier voile de carde (3) par le moyen d'une bande transporteuse (17) qui forme un certain angle (a) avec la surface du premier voile de carde (3), qui est de préférence maintenu en position horizontale.
  3. Méthode, selon la revendication 2, caractérisée en ce que ledit angle (a) est préférablement inférieur ou égal à 35 degrés.
  4. Méthode, selon la revendication 1, caractérisée en ce qu'elle comprend une étape d'imprégnation avec un agent tensioactif, dans un hydrophilisateur (13), pour hydrophiliser le voile filé (7).
  5. Méthode, selon l'une quelconque des revendications précédentes, caractérisée en ce qu'aussi bien le voile filé (7) que le premier voile de carde (3) recouvert du voile filé (7) sont conduits à travers les rouleaux d'aspiration (5 ; 6) avec une surface perméable à l'air et une partie aspirante (à vide).
  6. Méthode, selon l'une quelconque des revendications précédentes, caractérisée en ce que ses différentes étapes sont exécutées dans une installation de production en ligne.
EP08384007A 2008-04-25 2008-04-25 Procédé de fabrication de tissus non tissés Active EP2116645B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
AT08384007T ATE529556T1 (de) 2008-04-25 2008-04-25 Verfahren zur herstellung von vliesstoffen
PL08384007T PL2116645T3 (pl) 2008-04-25 2008-04-25 Sposób wytwarzania włókniny
EP08384007A EP2116645B1 (fr) 2008-04-25 2008-04-25 Procédé de fabrication de tissus non tissés
ES08384007T ES2373349T3 (es) 2008-04-25 2008-04-25 Método de fabricación de telas no tejidas.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP08384007A EP2116645B1 (fr) 2008-04-25 2008-04-25 Procédé de fabrication de tissus non tissés

Publications (2)

Publication Number Publication Date
EP2116645A1 EP2116645A1 (fr) 2009-11-11
EP2116645B1 true EP2116645B1 (fr) 2011-10-19

Family

ID=39736901

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08384007A Active EP2116645B1 (fr) 2008-04-25 2008-04-25 Procédé de fabrication de tissus non tissés

Country Status (4)

Country Link
EP (1) EP2116645B1 (fr)
AT (1) ATE529556T1 (fr)
ES (1) ES2373349T3 (fr)
PL (1) PL2116645T3 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK2705186T3 (da) 2011-05-04 2019-05-06 Essity Hygiene & Health Ab Fremgangsmåde til at fremstille et hydrosammenfiltret ikke-vævet materiale
DK2844793T3 (en) 2012-05-03 2018-11-26 Essity Hygiene & Health Ab PROCEDURE FOR MANUFACTURING A HYDROSAMELY WOVEN NON-WOVEN MATERIAL
DE102013111499A1 (de) * 2013-10-18 2015-04-23 Ascania Nonwoven Germany Gmbh Voluminöses Vlieskomposit und Verfahren zur Herstellung desselben
DE102015112955A1 (de) 2015-04-13 2016-10-13 TRüTZSCHLER GMBH & CO. KG Anlage und Verfahren zur Verbindung bzw. Verfestigung einer Bahn von Faserstoff mit einem Vlies
CN113584932B (zh) * 2021-07-30 2023-04-25 苏州慈云蚕丝制品有限公司 具有抑菌功效的丝绵纸及制作工艺和工艺品

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR930006226A (ko) * 1991-09-30 1993-04-21 원본미기재 탄성 복합 부직포 직물 및 그의 제조 방법
US5393599A (en) * 1992-01-24 1995-02-28 Fiberweb North America, Inc. Composite nonwoven fabrics
US7091140B1 (en) 1999-04-07 2006-08-15 Polymer Group, Inc. Hydroentanglement of continuous polymer filaments
FR2794776B1 (fr) 1999-06-10 2001-10-05 Icbt Perfojet Sa Procede pour la realisation d'un materiau non tisse, installation pour sa mise en oeuvre et non tisse ainsi obtenu
US6430788B1 (en) 1999-12-30 2002-08-13 Polymer Group, Inc. Hydroentangled, low basis weight nonwoven fabric and process for making same
US6321425B1 (en) 1999-12-30 2001-11-27 Polymer Group Inc. Hydroentangled, low basis weight nonwoven fabric and process for making same
US20030003832A1 (en) * 2001-06-29 2003-01-02 The Procter & Gamble Company Cleaning sheets comprising a fibrous web of carded staple fibers hydroentangled with a reinforcing fibrous web
FR2827313B1 (fr) 2001-07-10 2004-03-12 Rieter Perfojet Non tisse comprenant une nappe en filaments continus, son procede de fabrication et son application en tant que chiffon d'essuyage
US20030186612A1 (en) * 2002-04-01 2003-10-02 Avgol Ltd. Lightweight nonwoven material and method of producing
US7381667B2 (en) * 2002-12-27 2008-06-03 Unilever Home & Personal Care Usa, Division Of Conopco, Inc. Hydroentangled textile and use in a personal cleansing implement
JP3998683B2 (ja) * 2004-12-28 2007-10-31 花王株式会社 清掃用シート

Also Published As

Publication number Publication date
ATE529556T1 (de) 2011-11-15
PL2116645T3 (pl) 2012-02-29
EP2116645A1 (fr) 2009-11-11
ES2373349T3 (es) 2012-02-02

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