WO2003087457A1 - Tissu non tisse d'image renouvelable comprenant des fibres reconstituees - Google Patents

Tissu non tisse d'image renouvelable comprenant des fibres reconstituees Download PDF

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Publication number
WO2003087457A1
WO2003087457A1 PCT/US2003/010710 US0310710W WO03087457A1 WO 2003087457 A1 WO2003087457 A1 WO 2003087457A1 US 0310710 W US0310710 W US 0310710W WO 03087457 A1 WO03087457 A1 WO 03087457A1
Authority
WO
WIPO (PCT)
Prior art keywords
nonwoven fabric
reconstituted
fiber
fibers
fibrous
Prior art date
Application number
PCT/US2003/010710
Other languages
English (en)
Inventor
Michael Putnam
Cynthia Mcnaull
Russell Tindall
Nick Carter
Kayren Joy Nunn
Original Assignee
Polymer Group, Inc.
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 Polymer Group, Inc. filed Critical Polymer Group, Inc.
Priority to CA002481419A priority Critical patent/CA2481419A1/fr
Priority to AU2003221681A priority patent/AU2003221681A1/en
Priority to EP03718259A priority patent/EP1492913A4/fr
Priority to MXPA04009751A priority patent/MXPA04009751A/es
Publication of WO2003087457A1 publication Critical patent/WO2003087457A1/fr

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
    • D04H1/70—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
    • 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
    • D04H1/425—Cellulose series
    • 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
    • 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
    • D04H1/495—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 for formation of patterns, e.g. drilling or rearrangement
    • 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]
    • 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 present invention relates generally to nonwoven fabrics, and more particularly, to a nonwoven fabric comprising reconstituted or regenerated fibers, said nonwoven fabric exhibiting improved aesthetic and physical performance, permitting use of the fabric in a wide variety of consumer applications.
  • the imaged nonwoven fabric is constructed such that durability is imparted by the controlled distribution and variation in fiber density and/or localized basis weight, and can be deconstructed to its component fiber composition and that fibrous component utilized to make new imaged nonwoven fabrics having equivalent aesthetic and/or physical performance.
  • Nonwoven fabrics are suitable for use in a wide variety of applications where the efficiency with which the fabrics can be manufactured provides a significant economic advantage for these fabrics versus traditional textiles.
  • nonwoven fabrics have commonly been disadvantaged when fabric properties are compared to conventional textiles, particularly in terms of resistance to elongation, strength when wetted, and abrasion resistance.
  • Hydroentangled fabrics have been developed with improved properties, by the formation of complex composite structures in order to provide a necessary level of fabric integrity. Subsequent to entanglement, fabric durability has been further enhanced by the application of binder compositions and/or by thermal stabilization of the entangled fibrous matrix.
  • hydroentanglement techniques have been developed which impart images or patterns to the entangled fabric by effecting hydroentanglement on three-dimensional image transfer devices. Such three- dimensional image transfer devices are disclosed in U.S. Patent No. 5,098,764, which is hereby incorporated by reference; with the use of such image transfer devices being desirable for providing a fabric with enhanced physical properties as well as an aesthetically pleasing appearance.
  • Fiber selection for forming hydroentangled nonwoven fabrics are a critical factor when evaluating potential end-use applications. It has been typically found that simple and low cost fibers are unsuitable for fabricating semi-durable or durable end-use articles. In order to improve suitability of such fibers, exogenous binder fibers or other topically-applied adhesive agents have been necessarily incorporated. While a nonwoven fabric embodying such performance improvement means can be employed for semi-durable and durable applications, due to the inherent heterogeneity of the resulting fibrous constructs, such materials can not be readily recycled or reclaimed into equivalent type articles.
  • the present invention is directed to a nonwoven fabric comprising reconstituted or regenerated fibers (hereinafter referred to as reconstituted fiber or reconstituted fibers), said nonwoven fabric exhibiting improved aesthetic and physical performance, thus permitting use of the fabric in a wide variety of consumer applications.
  • the nonwoven fabric exhibits a three- dimensional image that is durable to both converting and end-use application.
  • the present invention contemplates that a fabric is formed from a precursor web comprising at least one reconstituted fiber, which when subjected to hydroentanglement on a moveable imaging surface of a three- dimensional image transfer device, an enhanced product is achieved.
  • a nonwoven fabric By specific control of fiber distribution and variation in localized fiber density and/or basis weight, a nonwoven fabric is formed which is resistant to elongation, wet strength failure and degradation due to abrasion, and which does not require further inclusion or application of exogenous binding agents.
  • a method of making a nonwoven fabric embodying the present invention includes the steps of providing a precursor web comprising a fibrous matrix of at least one reconstituted fiber type. While use of natural, finite length fibers may be employed, as exemplified by reconstituted cotton, the fibrous matrix may further include, in part or whole, finite length fibers of synthetic composition. In a particularly preferred form, the fibrous matrix comprises finite length fibers, which are carded to form a precursor web. Optionally, the carded precursor web may be subjected to reorientation, such as by air-randomization or cross-lapping.
  • the precursor web is subjected to pre-entangling on a foraminous-forming surface.
  • one or more layers of fibrous matrix comprising either reconstituted fibers, virgin fibers, or the blends thereof, are juxtaposed with a first reconstituted fiber layer, the layered construct then being pre-entangled on a foraminous surface to form a precursor web.
  • the present method further contemplates the provision of a three- dimensional image transfer device having a movable imaging surface.
  • the image transfer device may comprise a drum-like apparatus, which is rotatable with respect to one or more hydroentangling manifolds.
  • the reconstituted fiber precursor web is advanced onto the imaging surface of the image transfer device. Hydroentanglement of the precursor web is effected to form a three-dimensionally imaged fabric.
  • a reconstituted fiber exhibiting a prevalence of equal to or less than 10% by weight deleterious fiber artifacts, such fiber artifacts including very short fibers ("fines") or exceedingly knotted or un-processable fibrous components (“neps”), and a three-dimensional image transfer device allows for the controlled distribution and variation in regional density and/or basis weight of fibers to impart significant and useful durability, without necessarily incorporating exogenous adhesive agents.
  • the reconstituted imaged fabric may be subjected to one or more variety of post-entanglement treatments.
  • Such treatments may include: application of dyes, printing of patterns or logos, mechanical compaction, application of surfactant or electrostatic compositions, and like processes.
  • FIGURE 1 is a schematic drawing of a process by which an image transfer is employed in the manufacture of a nonwoven fabric in accordance with the present invention
  • FIGURE 2 is top plan view of a representative three-dimensional surface topography of an image transfer device, referred to as "small-square" .
  • the present invention is directed to a nonwoven fabric comprising reconstituted fibers, said nonwoven fabric exhibiting improved aesthetic and physical performance, permitting use of the fabric in a wide variety of consumer applications.
  • the nonwoven fabric exhibits a three-dimensional image that is durable to both converting and end-use application.
  • the present invention contemplates that a fabric is formed from a precursor web comprising at least one reconstituted fiber, which when subjected to hydroentanglement on a moveable imaging surface of a three- dimensional image transfer device, an enhanced product is achieved.
  • a nonwoven fabric By specific control of fiber distribution and variation in localized or regional fiber density and/or basis weight, a nonwoven fabric is formed which is resistant to elongation, wet strength failure, and degradation due to abrasion, and which does not require further inclusion or application of exogenous binding or adhesive agents.
  • a method of manufacturing a nonwoven fabric embodying the present invention includes the steps of providing a precursor web comprising a fibrous matrix of at least one reconstituted fiber type. While use of natural, finite length fibers may be employed, as exemplified by reconstituted cotton, the fibrous matrix may further include, in part or whole, finite length fibers of synthetic composition. In a particularly preferred form, the fibrous matrix comprises finite length fibers, which are carded to form a precursor web. Optionally, the carded precursor web may be subjected to reorientation, such as by air-randomization or cross-lapping. In one embodiment of the present invention, the precursor web is subjected to pre-entangling on a foraminous- forming surface.
  • one or more layers of fibrous matrix comprising either reconstituted fibers, virgin fibers, or the blends thereof, are juxtaposed with a first reconstituted fiber layer, the layered construct then being pre-entangled on a foraminous surface to form a precursor web.
  • Serial Number 09/755,523 is directed to a sequential process whereby specific mechanisms are employed to "deconstruct" a pre-existing fibrous fabric back into a free-fiber state.
  • pre-existing or pre-formed fibrous fabrics are initially subjected to various means whereby the fabric is reduced to pieces of substantially smaller size and volume. These pieces are then conveyed through, and acted upon, by devices which render-out the fibrous components.
  • the fibrous components are further treated with elevated temperature water vapor and incubation with reducing enzymes, thus removing fiber finishes and other topical additives from the freed fibers.
  • the fibers are then optionally retreated with a new fiber finish, such as an agent to enhance the ability to card such fiber, and are reformed into bales.
  • Reconstituted fibers are selected from natural, synthetic, or blended natural/synthetic composition, of homogeneous or mixed finite fiber length.
  • Suitable natural fibers include, but are not limited to, cotton, wood pulp and viscose rayon.
  • Synthetic fibers which may be blended in whole or part, include thermoplastic and thermoset polymers.
  • Thermoplastic polymers suitable for use as reconstituted fibers include poly olef ins, polyamides and polyesters.
  • the thermoplastic polymers may be further selected from; homopolymers, copolymers, conjugates and other derivatives including those thermoplastic polymers having incorporated melt additives or surface-active agents.
  • Finite fiber lengths of the reconstituted fibers are selected in the range of about 0.13 inch to 1.0 inch, the range of 0.25 to 0.75 inches being preferred and the fiber denier selected in the range of 1.0 to 22.0, the range of 1.2 to 6.0 denier being preferred for general applications.
  • the cross-sectional profile of the fiber is not a limitation to the applicability of the present invention.
  • the fabric is formed from a fibrous matrix, which typically comprises finite length fibers, of either natural or synthetic composition, or the combinations thereof.
  • the fibrous matrix is preferably carded and optionally cross-lapped to form a fibrous batt, designated F.
  • the fibrous batt comprises 100% cross-lapped fibers, that is, all of the fibers of the web have been formed by cross-lapping a carded web so that the reconstituted fibers are oriented at an angle relative to the machine direction of the resultant web.
  • U.S. Patent No. 5,475,903, hereby incorporated by reference illustrates such a web drafting apparatus.
  • the apparatus in FIGURE 1 includes a foraminous-forming surface in the form of belt 10 upon which the reconstituted fiber precursor web P is positioned for pre-entangling by entangling manifold 12 so as to impart an initial level of working structural integrity to precursor web. Pre-entangling of the precursor web is subsequently effected by movement of the web P sequentially over a drum 14 having a foraminous-forming surface, with entangling manifold 16 effecting entanglement of the web.
  • the entangling apparatus of FIGURE 1 further includes a three- dimensional imaging drum 24 comprising a three-dimensional image transfer device for effecting fiber distribution and localized or regional variations in fiber density and/or basis weight.
  • the image transfer device includes a moveable imaging surface which moves relative to a plurality of entangling manifolds 26 which act in cooperation with three-dimensional elements defined by the topography of the imaging surface of the image transfer device to effect imaging and functional patterning of the fabric being formed.
  • Suitable finishing compositions or the like may be applied at 30, with the fabric dried on suitable drying cans 32.
  • Nonwoven fabrics formed in accordance with the present invention have proven to exhibit sufficient resistance to elongation, strength when wetted, and abrasion resistance to warrant use in many end-use applications.
  • the absorbency of nonwoven fabric comprising reconstituted cotton fibers has been sufficiently retained so as to be useful in personal hygiene article and garments, such as make-up removing pads, wash clothes and bathing robes.

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

Abstract

L'invention porte sur un tissu non tissé comprenant des fibres reconstituées ou régénérées, ce tissu non tissé présentant des résultats esthétiques et physiques améliorés, ce qui permet d'utiliser ce tissu dans de nombreux domaines de consommation. Ledit tissu non tissé présente une image tridimensionnelle qui peut durer aussi bien pour des applications de conversion que pour des applications finales. Plus particulièrement, l'invention porte sur la fabrication d'un tissu à partir d'une bande précurseur (P) contenant au moins une fibre reconstituée qui, lorsqu'elle est soumise à l'hydroenchevêtrement sur une surface d'image mobile d'un dispositif de transfert d'image tridimensionnelle (24), permet d'obtenir un produit amélioré.
PCT/US2003/010710 2002-04-08 2003-04-07 Tissu non tisse d'image renouvelable comprenant des fibres reconstituees WO2003087457A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CA002481419A CA2481419A1 (fr) 2002-04-08 2003-04-07 Tissu non tisse d'image renouvelable comprenant des fibres reconstituees
AU2003221681A AU2003221681A1 (en) 2002-04-08 2003-04-07 Renewable imaged nonwoven fabric comprising reconstituted fibers
EP03718259A EP1492913A4 (fr) 2002-04-08 2003-04-07 Tissu non tisse d'image renouvelable comprenant des fibres reconstituees
MXPA04009751A MXPA04009751A (es) 2002-04-08 2003-04-07 Tela no tejida con diseno renovable, que contiene fibras reconstituidas.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US37089602P 2002-04-08 2002-04-08
US60/370,896 2002-04-08

Publications (1)

Publication Number Publication Date
WO2003087457A1 true WO2003087457A1 (fr) 2003-10-23

Family

ID=29250602

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2003/010710 WO2003087457A1 (fr) 2002-04-08 2003-04-07 Tissu non tisse d'image renouvelable comprenant des fibres reconstituees

Country Status (6)

Country Link
US (1) US20040248493A1 (fr)
EP (1) EP1492913A4 (fr)
AU (1) AU2003221681A1 (fr)
CA (1) CA2481419A1 (fr)
MX (1) MXPA04009751A (fr)
WO (1) WO2003087457A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9560950B2 (en) 2010-11-22 2017-02-07 Kao Corporation Bulky sheet and method for producing same

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITBS20020068A1 (it) * 2002-07-31 2004-02-01 Sanitars S R L Tessuto non tessuto in cotone idrofilizzato e suo processo produttivo.
US20080032611A1 (en) * 2006-08-01 2008-02-07 The Wooster Brush Company System for surface preparation
US20100173568A1 (en) * 2006-08-01 2010-07-08 The Wooster Brush Company System for surface preparation
US20080166940A1 (en) * 2006-11-16 2008-07-10 Sustainable Solutions, Inc. Multi-layer nonwoven composite material and method of manufacture

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4995133A (en) * 1988-05-02 1991-02-26 Newell Robert D Mop head comprising capacitive web elements, and method of making the same

Family Cites Families (6)

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Publication number Priority date Publication date Assignee Title
US5098764A (en) * 1990-03-12 1992-03-24 Chicopee Non-woven fabric and method and apparatus for making the same
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
US5475903A (en) * 1994-09-19 1995-12-19 American Nonwovens Corporation Composite nonwoven fabric and method
EP1268907B1 (fr) * 2000-01-20 2011-04-06 Polymer Group, Inc. Non-tisse portant une image durable
MXPA03003769A (es) * 2000-11-10 2003-07-28 Kimberly Clark Co Estructuras compuestas no tejidas hidroenredadas que contienen materiales fibrosos sinteticos reciclados.
US6378179B1 (en) * 2001-01-05 2002-04-30 Gary F. Hirsch System and method for reconstituting fibers from recyclable waste material

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4995133A (en) * 1988-05-02 1991-02-26 Newell Robert D Mop head comprising capacitive web elements, and method of making the same

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP1492913A4 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9560950B2 (en) 2010-11-22 2017-02-07 Kao Corporation Bulky sheet and method for producing same

Also Published As

Publication number Publication date
EP1492913A1 (fr) 2005-01-05
CA2481419A1 (fr) 2003-10-23
MXPA04009751A (es) 2004-12-13
EP1492913A4 (fr) 2005-07-06
US20040248493A1 (en) 2004-12-09
AU2003221681A1 (en) 2003-10-27

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