WO2006134132A1 - In wasser auflösbarer bzw. zersetzbarer faserverbund und produkte daraus - Google Patents
In wasser auflösbarer bzw. zersetzbarer faserverbund und produkte daraus Download PDFInfo
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- WO2006134132A1 WO2006134132A1 PCT/EP2006/063224 EP2006063224W WO2006134132A1 WO 2006134132 A1 WO2006134132 A1 WO 2006134132A1 EP 2006063224 W EP2006063224 W EP 2006063224W WO 2006134132 A1 WO2006134132 A1 WO 2006134132A1
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- WIPO (PCT)
- Prior art keywords
- fibers
- fiber composite
- composite according
- fiber
- flat
- Prior art date
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Classifications
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- 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
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/15203—Properties of the article, e.g. stiffness or absorbency
- A61F13/15211—Properties of the article, e.g. stiffness or absorbency soluble or disintegratable in liquid
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
- B32B5/022—Non-woven fabric
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
- B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
- B32B5/26—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
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- 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
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- 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
- D04H1/4258—Regenerated cellulose series
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- 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
- D04H1/4282—Addition polymers
- D04H1/4291—Olefin series
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- 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
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- 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
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- 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
- D04H1/4382—Stretched reticular film fibres; Composite fibres; Mixed fibres; Ultrafine fibres; Fibres for artificial leather
- D04H1/43835—Mixed fibres, e.g. at least two chemically different fibres or fibre blends
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- 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
- D04H1/4391—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 characterised by the shape of the fibres
- D04H1/43912—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 characterised by the shape of the fibres fibres with noncircular cross-sections
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- 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
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- 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
- D04H1/498—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 entanglement of layered webs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2250/00—Layers arrangement
- B32B2250/20—All layers being fibrous or filamentary
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/02—Synthetic macromolecular fibres
- B32B2262/0253—Polyolefin fibres
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/02—Synthetic macromolecular fibres
- B32B2262/0276—Polyester fibres
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/06—Vegetal fibres
- B32B2262/062—Cellulose fibres, e.g. cotton
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/51—Elastic
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2432/00—Cleaning articles, e.g. mops, wipes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2555/00—Personal care
- B32B2555/02—Diapers or napkins
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- 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
- D04H1/4382—Stretched reticular film fibres; Composite fibres; Mixed fibres; Ultrafine fibres; Fibres for artificial leather
- D04H1/43838—Ultrafine fibres, e.g. microfibres
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- 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
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/249921—Web or sheet containing structurally defined element or component
- Y10T428/249924—Noninterengaged fiber-containing paper-free web or sheet which is not of specified porosity
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- 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]
- Y10T442/608—Including strand or fiber material which is of specific structural definition
- Y10T442/609—Cross-sectional configuration of strand or fiber material is specified
Definitions
- the present invention relates to a fiber composite, comprising or consisting of natural and / or synthetic fibers, wherein at least a part of the fibers of the composite has a flat cross-section and the fiber composite in water and other liquid is easily decomposable or dissolvable.
- the invention also relates to products made from this fiber composite or to these, and to a process for producing such a fiber composite.
- the invention also relates to the use of flat cross-section fibers for improving the decomposition or dissolution properties of a fiber composite containing these fibers in water or other liquid.
- Disposable or disposable items such as wipes for baby or personal care, baby diapers, feminine hygiene products, etc. are characterized in general by a soft and often absorbent surface and a high elasticity and strength and structural integrity even in the presence of moisture, so that they Purpose can serve, without breaking down.
- fiber composites nonwoven fabrics containing the chemical fibers polyester or polypropylene and viscose, these material properties.
- the method described in EP 1 138 823 B1 for disposing of nonwoven structures in the sewerage system without problems consists in using fiber mixtures with a defined fiber length distribution.
- the fiber blends consist essentially of fibers with a maximum fiber length of 10 mm and a proportion of microfibers with a maximum fiber length of 1 mm.
- An object of the present invention is to provide a fiber composite and in particular a polymer material or a polymer mixture in a thread or nonwoven form, wherein the fiber composite in water, especially in running water, sufficiently dissolvable and thus is flushable and at the same time for its intended use strength and elasticity, even in the presence of moisture has.
- a fiber composite comprising or consisting of natural and / or synthetic fibers, characterized in that at least a part of the fibers of the composite has a flat cross-section and the fiber composite in water or other liquid is easily decomposable or dissolvable.
- a fiber composite means a composite of several individual fibers.
- the fiber composite may consist of individual fibers of more than one type of the same fiber material (eg flat and round fiber) and / or fibers of different fiber material.
- Preferably has a fiber composite no regular structure in contrast z.
- flat fibers are fibers whose cross section has an aspect ratio of at least 1: 2 perpendicular to the longitudinal axis of the respective fiber.
- a "fiber composite which is readily decomposable or dissolvable in water or liquid” is understood to mean a macroscopically recognizable clear dissolution phenomena after the following number of turns in the "flushability test” described below (cf. also FIG. 2): 12 turns prefers 10 turns, again preferably 9, 8, 7 and 6 turns and most preferably 5 turns.
- the centrally mounted and rotatable plastic tube is closed by means of a screw-cap. Rotating the pipe 180 degrees simulates flushing. The rotations are demonstrated until a clear opening of the flow band with partial crack and hole formation can be seen, compare Figure 2.
- the number of 180-degree turns (turns) represents the measurement result.
- This test is preferably used for the decomposability of non-woven structures.
- the fiber material of the fiber composite according to the invention is in particular a polymer material which contains natural and / or synthetic fibers, preferably viscose fibers.
- a part of the fiber material itself is soluble in water.
- viscose or polymer fibers have an approximately circular or circular cross-section
- fibers used an altered, in particular a flat, preferably a substantially rectangular and / or trapezoidal cross-section perpendicular to
- the individual fibers thus have a band-like shape.
- the flat fibers used according to the invention may additionally have a krenellated (crenellated) surface.
- a surface structure enlarges the surface of the fibers and increases their ability to absorb moisture. The absorbency of the end products is thereby increased compared to fibers with a smooth surface.
- the flat fibers are preferably cellulosic fibers, particularly preferably viscose fibers.
- the advantageous effect that was found in the use of the flat fibers described in the fiber composite according to the invention is the greatly improved solubility or decomposability of the fiber composite in water or other liquids, which leads in practice to such a fiber composites or articles produced therefrom as universal Cleaning and care products can be used, which can be disposed of without significant restrictions on conventional domestic sewer systems.
- flushability because the nonwovens can be flushed out of the toilet and cause no blockages or other problems in the sewerage systems and sewage treatment plants due to the reduced adhesion of the flat fibers to each other and to the nonwoven material additionally contained therein Round fibers and / or due to the looser fiber composite dissolves the fiber composite in the liquid much faster and is there decomposed in a sufficiently short time in sufficiently small composite parts.
- the fiber composite according to the invention preferably represents a nonwoven web or a thread. Particularly preferred is an inventive fiber composite which is characterized by a mixture of fiber materials.
- the fibers of the fiber composite according to the invention which in particular may contain polymer, polyester, polypropylene, viscose and / or cellulose fibers, can be processed with other fibers, for example with polyester fibers and / or polyethylene fibers in different mixing ratios, mixed into known structures.
- such material mixtures can be processed into fiber composites. As such, they come dry or moistened for baby or personal care, in the household or for other purposes.
- An applicability of such inventive materials in the hygienic or medical field for example, women's monthly hygiene, wound dressings, etc.
- the industrial applicability of such fiber composites is also advantageous.
- the proportion of flat fibers in the entire fiber material can in practice be between 1% by weight and approximately 100% by weight, the proportion of flat fibers typically being between 10% by weight and 90% by weight. Good properties can be achieved in particular with a proportion of the flat fibers between 20% by weight and 80% by weight, preferably between 30% by weight and 70% by weight.
- a fiber composite according to the invention which is a polymer mixture which consists of 40% by weight of polyester flat fibers (in particular PET) and 60% by weight of viscose flat fibers.
- the viscose fibers impart softness and absorbency to the nonwoven structure, while the polyester flat fibers provide the necessary strength in particular.
- the fineness of the flat fibers used in the fiber composite, in particular in nonwovens can typically be between 0.9 and 9.0 dtex, the fineness of a nonwoven according to the invention preferably being between 1.5 and 3.0 dtex.
- the cut length of the flat fibers used in the fiber composite according to the invention may typically be between 4 and 75 mm, wherein the cut length in a nonwoven fabric according to the invention may preferably be between 20 and 50 mm.
- the specific weight of the fiber composite according to the invention or the flat fibers used in this can typically be between 10 g / m 2 and 500 g / m 2 , wherein the specific weight of a fiber composite according to the invention, especially as nonwoven preferably between 40 and 150 g / m 2 is. A specific weight between 50 and 150 g / m 2 is particularly preferred.
- a non-woven or in the so-called paper produced structure containing or represented a fiber composite according to the invention showed a significantly higher dissolution rate in water than comparison structures with conventional viscose fibers with a circular cross-section.
- a significant decrease in structural strength compared to conventional comparative structures could be found.
- the viscose or flat fibers according to the invention or fiber composites according to the invention comprising viscose or flat fibers have a higher flexibility and softness.
- the fibers may appear shiny, matt or colored.
- the production process of fiber composites according to the invention with viscose or flat fibers corresponds to the known production process for fiber composites and fiber composites with conventional, round viscose fibers.
- Common technologies include, but are not limited to, hydroentanglement, airlaid, or fleece needling.
- the technology is known and proven, so that the production of novel fiber composites of the invention and the articles thereof is very simplified.
- the fiber composite material according to the invention is completely biodegradable and certifiable according to ⁇ kotex Standard Level 1 if exclusively cellulosic fibers, in particular viscose fibers, are used.
- Part of the invention it is also from the fiber composites of the invention or under their use articles (intermediate or final products) for certain
- Nonwoven cloths, sanitary towels or baby and / or body care wipes are also articles for technical application.
- articles for technical application can be made from the fiber composite according to the invention or under its use.
- Such articles include, for example, a technical nonwoven fabric and a nonwoven technical material and a
- Filter cloth or filter material are Filter cloth or filter material.
- a particularly preferred article according to the invention is a cloth for various applications which comprises at least two layers, one of the layers essentially consisting of a fiber composite according to the invention.
- a particularly easily dissolvable layer while the other layer - if desired - less easily dissolvable or decomposable than the fiber composite according to the invention.
- the other layers are also easily decomposable or dissolvable, at least in terms of their structure.
- at least one further layer consists of cellulose fiber pulp.
- wipes being produced which have good flushability (ie whose fiber composite structures dissolve sufficiently and well in sewerage systems).
- such cloths have a rough side (cellulose pulp) with corresponding wiping and suction properties and a soft side with deviating properties from the rough side. So can the rough side for example, when used as a care cloth in the baby care for receiving coarse impurities, while the soft side, comprising the fiber composite according to the invention, can be used for fine cleaning with a lot of skin contact.
- Part of the invention is also the use of fibers with a flat cross-section to improve the decomposition or dissolution properties of a fiber composite containing these fibers in water or other liquid.
- a component of the invention is also the production of a fiber composite according to the invention comprising the steps
- FIG. 1 shows an enlarged cross section of the fiber structure of a fiber composite according to the invention.
- the individual viscose or flat fibers are visible here and it is clear that they are band-like. you Cross section perpendicular to the longitudinal axis of the fiber is flat.
- the surfaces of the individual viscose fibers each have elongated furrows in the longitudinal direction, so that the cross section of the individual fibers does not have a smooth but a krenellated (crenellated) edge profile.
- FIG. 2 illustrates the beginning of a decomposing fiber composite structure here of a nonwoven structure.
- a viscose flat fiber with a fiber count of 2.4 dtex and a cut length of 38 mm was processed as described in Example 1 with a water pressure of 50 bar and a transport speed of 100 m / min to a nonwoven structure with a basis weight of 50 g / m 2 .
- the first nonwoven decomposition was observed according to the described Flushability test method after already 5 rotations.
- the first nonwoven decomposition after 7 rotations was determined by the described Flushability Test.
- a nonwoven structure consisting of the viscose flat fiber described in Example 1 with a weight fraction of the total nonwoven of 65% as a first layer and cellulosic pulp material with a weight fraction of the total nonwoven of 35% as a second layer showed in the described test method a first nonwoven resolution after 10 rotations. The layers had been bonded by hydroentanglement.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Health & Medical Sciences (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Public Health (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Epidemiology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Veterinary Medicine (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Nonwoven Fabrics (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
- Filtering Materials (AREA)
- Artificial Filaments (AREA)
Abstract
Description
Claims
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/917,531 US20080196188A1 (en) | 2005-06-15 | 2006-06-14 | Fibrous Composite that is Dissoluble or Decomposable in Water, and Products Manufactured Thereform |
EP06763719.9A EP1893799B1 (de) | 2005-06-15 | 2006-06-14 | In wasser auflösbarer bzw. zersetzbarer faserverbund und produkte daraus |
CA 2612278 CA2612278A1 (en) | 2005-06-15 | 2006-06-14 | Fibre composite that can be dissolved or decomposed in water, and products thereof |
EA200800051A EA013062B1 (ru) | 2005-06-15 | 2006-06-14 | Волокнистый композит и изделие |
AU2006259064A AU2006259064B2 (en) | 2005-06-15 | 2006-06-14 | Fibre composite that can be dissolved or decomposed in water, and products thereof |
JP2008516313A JP5219807B2 (ja) | 2005-06-15 | 2006-06-14 | 水中で溶解することのできる又は分解することのできる繊維複合材料及びその製品 |
IL18790907A IL187909A (en) | 2005-06-15 | 2007-12-05 | Fibre composite that can be dissolved or decomposed in water and products thereof |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102005027795.0 | 2005-06-15 | ||
DE102005027795 | 2005-06-15 | ||
DE102005029597.5 | 2005-06-23 | ||
DE200510029597 DE102005029597A1 (de) | 2005-06-15 | 2005-06-23 | In Wasser auflösbares bzw. zersetzbares Faser- und/oder Polymermaterial |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2006134132A1 true WO2006134132A1 (de) | 2006-12-21 |
Family
ID=37110293
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2006/063224 WO2006134132A1 (de) | 2005-06-15 | 2006-06-14 | In wasser auflösbarer bzw. zersetzbarer faserverbund und produkte daraus |
Country Status (9)
Country | Link |
---|---|
US (1) | US20080196188A1 (de) |
EP (1) | EP1893799B1 (de) |
JP (1) | JP5219807B2 (de) |
AU (1) | AU2006259064B2 (de) |
CA (1) | CA2612278A1 (de) |
DE (1) | DE102005029597A1 (de) |
EA (1) | EA013062B1 (de) |
IL (1) | IL187909A (de) |
WO (1) | WO2006134132A1 (de) |
Cited By (4)
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WO2009036483A1 (en) * | 2007-09-19 | 2009-03-26 | Senevens International Ltd | Non-woven biodegradable hygiene product |
EP2428603A1 (de) * | 2010-09-14 | 2012-03-14 | Kelheim Fibres GmbH | Verfahren zur Verfestigung eines Faservlieses |
EP2599900A1 (de) | 2011-11-29 | 2013-06-05 | Kelheim Fibres GmbH | Regenerierte Cellulosefaser |
EP2706133A1 (de) | 2012-09-07 | 2014-03-12 | Kelheim Fibres GmbH | Verfahren zur Herstellung von Viskosefasern |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2280099A1 (de) | 2009-07-31 | 2011-02-02 | Kelheim Fibres GmbH | Regenerierte Cellulosestapelfaser |
US9353480B2 (en) * | 2012-04-11 | 2016-05-31 | Ahlstrom Corporation | Sterilizable and printable nonwoven packaging materials |
CN105074074B (zh) * | 2013-02-26 | 2018-01-02 | 东丽株式会社 | 无纺布 |
ES2629892T3 (es) | 2014-08-12 | 2017-08-16 | Glatfelter Gernsbach Gmbh | Tejido no tejido dispersable y método para la producción del mismo |
WO2019150964A1 (ja) * | 2018-01-31 | 2019-08-08 | 王子ホールディングス株式会社 | 水解性不織布、湿潤水解性不織布及び水解性不織布の製造方法 |
JP7315891B2 (ja) * | 2019-07-30 | 2023-07-27 | 王子ホールディングス株式会社 | 水解性不織布及び湿潤水解性不織布 |
JP7342492B2 (ja) * | 2019-07-30 | 2023-09-12 | 王子ホールディングス株式会社 | 水解性不織布、湿潤水解性不織布及び水解性不織布の製造方法 |
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- 2006-06-14 EP EP06763719.9A patent/EP1893799B1/de active Active
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- 2006-06-14 JP JP2008516313A patent/JP5219807B2/ja active Active
- 2006-06-14 EA EA200800051A patent/EA013062B1/ru not_active IP Right Cessation
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2009036483A1 (en) * | 2007-09-19 | 2009-03-26 | Senevens International Ltd | Non-woven biodegradable hygiene product |
EP2428603A1 (de) * | 2010-09-14 | 2012-03-14 | Kelheim Fibres GmbH | Verfahren zur Verfestigung eines Faservlieses |
WO2012034934A1 (de) | 2010-09-14 | 2012-03-22 | Kelheim Fibres Gmbh | Verfahren zur verfestigung eines faservlieses |
EP2599900A1 (de) | 2011-11-29 | 2013-06-05 | Kelheim Fibres GmbH | Regenerierte Cellulosefaser |
US11149367B2 (en) | 2011-11-29 | 2021-10-19 | Kelheim Fibres Gmbh | Regenerated cellulose fiber |
EP2706133A1 (de) | 2012-09-07 | 2014-03-12 | Kelheim Fibres GmbH | Verfahren zur Herstellung von Viskosefasern |
WO2014037191A1 (de) | 2012-09-07 | 2014-03-13 | Kelheim Fibres Gmbh | Verfahren zur herstellung von viskosefasern |
Also Published As
Publication number | Publication date |
---|---|
IL187909A (en) | 2012-05-31 |
US20080196188A1 (en) | 2008-08-21 |
JP5219807B2 (ja) | 2013-06-26 |
AU2006259064A1 (en) | 2006-12-21 |
EA200800051A1 (ru) | 2008-06-30 |
IL187909A0 (en) | 2008-03-20 |
DE102005029597A1 (de) | 2006-12-28 |
CA2612278A1 (en) | 2006-12-21 |
JP2008546917A (ja) | 2008-12-25 |
AU2006259064B2 (en) | 2012-08-09 |
EA013062B1 (ru) | 2010-02-26 |
EP1893799B1 (de) | 2015-08-12 |
EP1893799A1 (de) | 2008-03-05 |
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