EP1264561A1 - Nonwoven material and process of manufacturing - Google Patents

Nonwoven material and process of manufacturing Download PDF

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Publication number
EP1264561A1
EP1264561A1 EP02011653A EP02011653A EP1264561A1 EP 1264561 A1 EP1264561 A1 EP 1264561A1 EP 02011653 A EP02011653 A EP 02011653A EP 02011653 A EP02011653 A EP 02011653A EP 1264561 A1 EP1264561 A1 EP 1264561A1
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EP
European Patent Office
Prior art keywords
layer
fibers
nonwoven material
material according
composite nonwoven
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EP02011653A
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German (de)
French (fr)
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EP1264561B2 (en
EP1264561B9 (en
EP1264561B1 (en
Inventor
Rainer Dr. Mangold
Maximilian Pütz
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Paul Hartmann AG
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Paul Hartmann AG
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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
    • D04H1/54—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 by welding together the fibres, e.g. by partially melting or dissolving
    • D04H1/541—Composite fibres, e.g. sheath-core, sea-island or side-by-side; Mixed fibres
    • D04H1/5412—Composite fibres, e.g. sheath-core, sea-island or side-by-side; Mixed fibres sheath-core
    • 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
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D40/00—Casings or accessories specially adapted for storing or handling solid or pasty toiletry or cosmetic substances, e.g. shaving soaps or lipsticks
    • 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
    • D04H1/02—Cotton wool; Wadding
    • 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
    • D04H1/4266—Natural fibres not provided for in group D04H1/425
    • 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
    • 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
    • D04H1/42—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
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/44—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling
    • D04H1/46—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres
    • D04H1/492—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres by fluid jet
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—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
    • D04H1/54—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 by welding together the fibres, e.g. by partially melting or dissolving
    • D04H1/541—Composite fibres, e.g. sheath-core, sea-island or side-by-side; Mixed fibres
    • D04H1/5418—Mixed fibres, e.g. at least two chemically different fibres or fibre blends
    • 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
    • D04H1/54—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 by welding together the fibres, e.g. by partially melting or dissolving
    • D04H1/542—Adhesive fibres
    • D04H1/544—Olefin 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
    • D04H1/54—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 by welding together the fibres, e.g. by partially melting or dissolving
    • D04H1/542—Adhesive fibres
    • D04H1/55—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
    • D04H1/54—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 by welding together the fibres, e.g. by partially melting or dissolving
    • D04H1/559—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 by welding together the fibres, e.g. by partially melting or dissolving the fibres being within layered 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

Definitions

  • the invention relates to a composite nonwoven material for the Skin care and cleaning and for cosmetic purposes, with at least two nonwoven layers.
  • From EP 0 826 811 A2 is a composite nonwoven material a first soft-touch surface and a second away from the first and rough towards the first known surface.
  • the layer that the forms rough-feeling surface includes at least partly thermoplastic fibers, preferably from the class the polyolefins.
  • the other layer has natural and / or synthetic fibers that stand out from those of the others Layer have a lower fiber thickness and the soft form a sensitive surface.
  • the document teaches that Layers together by water jet needling connect. In a subsequent heat treatment only those from the rough-feeling surface layer protruding free ends of the thermoplastic fibers melted to give the impression of a rough surface strengthen.
  • EP 0 405 043 A1 describes a composite nonwoven material for known cosmetic use, which two the first and the second surface forming outer layers and one has an inner layer arranged between them.
  • the Layers can be made of cotton, viscose, synthetic fibers or a mixture thereof.
  • the cohesion of the Layers is by joining the outer layers to theirs Circumferential edge areas by means of suitable adhesives or through Pressed together.
  • US-A-5,480,699 shows a two layer Composite nonwoven material for cosmetic purposes with at least two layers. At least the outside ones Layers are through to the same or different extent Embossing compacted.
  • the materials are cotton, viscose, synthetic fibers or mixtures thereof. Also the possibility of creating embossing patterns on the Outer layers are mentioned.
  • FR-A-2.052.089 also shows a two-layer Composite nonwoven material for cosmetic purposes Cotton, the layers of which are punctiform or linear embossing are interconnected.
  • the present invention is based on the object Composite nonwoven material for skin care and cleaning and for cosmetic purposes with at least two To create nonwoven layers, which is easy and can be produced inexpensively and variously trained Has surfaces, preferably by tactile Perception can be distinguished, whereby the Nonwoven material for a pleasant feel materials known on the skin of a user as should at least prove equivalent. (or: where that Nonwoven material through a felt more comfortable Feeling on a user's skin as known Should distinguish materials).
  • This task is accomplished through a composite nonwoven material for the Skin care and cleansing and for cosmetic purposes solved at least two layers of nonwoven, the first Nonwoven layer of cellulosic fibers and possibly the first comprises thermoplastic fibers and being the second Nonwoven layer comprises second thermoplastic fibers, whose melting temperature is lower than that in the first nonwoven layer, if appropriate, provided thermoplastic Fibers, and wherein the at least two nonwoven layers over Fusible bonds are interconnected and the second Layer on its surface facing away from the first layer has an embossed pattern.
  • the cellulosic fibers of the first layer where it is preferably cotton fibers, in particular Cotton combs, acts, form a first soft to the touch Surface of the composite nonwoven material.
  • the first one Second surface facing away from the second Nonwoven layer is formed, however, feels rougher on. This rough feel comes from the melt-solidified second thermoplastic fibers of the second layer and of the embossed pattern on the surface of the second layer.
  • Nonwoven layers By heating the at least two arranged one above the other Nonwoven layers during the manufacture of the Composite nonwoven material can be a very intimate bond of fibers within the second layer but also one Connection of the two layers can be achieved with each other.
  • first layer before it is bonded to the second nonwoven layer, was subjected to water jet needling in order to To increase cohesion of the fibers of this first layer especially if few or none at all thermoplastic fibers present in this first layer are.
  • thermoplastic fibers in the first layer are, it is preferably Polyester fibers.
  • the thermoplastic fibers of the second Shift are at least partially, but especially 100% Polyester fibers.
  • the use of polyester fibers (PES) as first thermoplastic fiber in the upper layer proves due to their structural elastic behavior (loft, resiliency) as particularly advantageous because of this simple and effective way that can be prevented that on the opposite surface of the second layer transfers the intended embossing pattern to the first layer or pushed through to the first layer.
  • thermoplastic fibers In that the melting point the first provided in the first layer thermoplastic fibers is higher than the melting point of the second thermoplastic fibers, these will be first thermoplastic fibers themselves did not melt and that The surface of the first layer remains soft and conveys a soft, pleasant feeling, which on the cellulosic fibers, which is preferably due to 90 to 98 wt .-% form the first layer.
  • the Polyester fibers of the first and especially the second Layer are bicomponent fibers.
  • they can Second layer polyester bicomponent fibers a low melting component made of polyethylene (PE) and a higher have melting component made of polyester (PES).
  • the polyester bicomponent fibers have one Core made of polyester (PES) and a jacket made of polyethylene (PE) on.
  • the fiber strength is advantageously Bicomponent fibers 1.0 to 6.5 dtex, in particular 1.2 to 4.0 dtex, and preferably 1.5 to 3.0 dtex.
  • the fiber length is advantageously from 10 to 80 mm, in particular from 20 to 70 mm and preferably chosen from 40 to 50 mm.
  • the second layer in addition to the thermoplastic fibers also cellulosic fibers in particular 50 to 95% by weight, and preferably 70 to 95% by weight.
  • the share is preferably formed from polyester bicomponent fibers thermoplastic fibers 5 to 50% by weight and preferably 5 up to 30% by weight of the layer under consideration.
  • the weight per unit area of the first and second layers is 100 to 150 g / m 2 .
  • the first layer is needled with water jet before the Layers are stacked and heated by heating Layer arrangement are interconnected.
  • the warming. the layer arrangement can be in any way can be achieved, advantageously a hot gas stream takes place application for this.
  • the invention further relates to a two-layer cotton pad for skin care and cleansing and for cosmetic purposes, formed from an inventive Composite nonwoven fabric material.
  • Figure 1 shows a schematic representation of a first Embodiment of an inventive Composite nonwoven material 2 with a first Nonwoven layer 4, which is a first soft to the touch Forms surface 6, and with a second nonwoven layer 8, which is rough compared to the first surface 6 feels surface 10 forms.
  • the first layer 4 consists of 100% cotton combs. She was needled with water jet before she was over the second Layer 8 was arranged and connected to this.
  • the second layer 8 comprises 87% by weight of cotton combs and 13% by weight polyester bicomponent fibers.
  • the polyester (PES) bicomponent fibers include low melting Component co-polyester with a melting point of 160 ° C and as a higher melting component polyester with a Melting point of 260 ° C.
  • the length of the fibers is 51 mm.
  • the Fiber strength is 2.5 dtex.
  • the first surface gives a very soft touch and is suitable for applying lotions, creams or like.
  • the second surface 10, which is an embossed pattern is suitable for removing make-up.
  • FIG 2 shows a second embodiment of a Composite nonwoven material 12 with a first layer 14, consisting of 95% by weight cotton combs and 5% PES bicomponent fibers, the in connection with Figure 1 Art.
  • the second nonwoven layer 16 consists of 85th % By weight of cotton combs and 15% by weight Polyethylene / polyester (PE / PES) bicomponent fibers, where Polyester (PE) the low melting component with a Melting point of 120 ° C and polyester (PES) as the core of the Bicomponent fiber is the higher melting component with one Melting point of 260 ° C forms.
  • PE Polyethylene / polyester

Abstract

Laminated nonwoven fabric material in two layers, where the first layer comprises cellulosic fibers and thermoplastic fibers and the second layer comprises thermoplastic fibers. A laminated nonwoven fabric material (NFM) with at least two layers of NFM. The first layer comprises cellulosic fibers and optionally thermoplastic fibers and the second layer comprises further thermoplastic fibers, of melting point less than that of the NFM layer. At least two NFM layers are melted together and the second NFM layer has an embossed pattern on the surface turned away from the first layer. Independent claims are also included for: (1) the preparation of the laminated NFM, comprises formation of a first layer with cellulosic fibers and optionally first thermoplastic fibers; formation of the second layer with further thermoplastic fibers as above; arrangement of the layers; and application of pressure to the laminate formed, heating of this so that the fibers in the second layer are melted at least on the surface, so that a melt bond is formed between the fibers of the first and those of the second layer, and additional formation of a melt bond between the fibers of the second layer, with its resultant reinforcement; and (2) a two-layer cotton wool pad for skin care and cleaning and for cosmetic applications formed from a laminated NFM as above (claimed).

Description

Die Erfindung betrifft ein Verbundvliesstoffmaterial für die Hautpflege und -reinigung und für kosmetische Zwecke, mit wenigstens zwei Vliesstoffschichten.The invention relates to a composite nonwoven material for the Skin care and cleaning and for cosmetic purposes, with at least two nonwoven layers.

Aus EP 0 826 811 A2 ist ein Verbundvliesstoffmaterial mit einer ersten weich anfühlenden Oberfläche und einer zweiten von der ersten abgewandten und gegenüber der ersten rauh anfühlenden Oberfläche bekannt. Diejenige Schicht, welche die rauh anfühlende Oberfläche bildet, umfasst wenigstens teilweise thermoplastische Fasern, vorzugsweise aus der Klasse der Polyolefine. Die andere Schicht weist natürliche und/oder synthetische Fasern auf, die gegenüber denjenigen der anderen Schicht eine geringere Faserstärke aufweisen und die weich anfühlende Oberfläche bilden. Die Druckschrift lehrt, die Schichten durch Wasserstrahlvernadelung miteinander zu verbinden. In einer anschließenden Wärmebehandlung werden ausschließlich die aus der rauh anfühlenden Oberflächenschicht vorstehenden freien Enden der thermoplastischen Fasern angeschmolzen, um den Eindruck einer rauhen Oberfläche noch zu verstärken.From EP 0 826 811 A2 is a composite nonwoven material a first soft-touch surface and a second away from the first and rough towards the first known surface. The layer that the forms rough-feeling surface, includes at least partly thermoplastic fibers, preferably from the class the polyolefins. The other layer has natural and / or synthetic fibers that stand out from those of the others Layer have a lower fiber thickness and the soft form a sensitive surface. The document teaches that Layers together by water jet needling connect. In a subsequent heat treatment only those from the rough-feeling surface layer protruding free ends of the thermoplastic fibers melted to give the impression of a rough surface strengthen.

Aus EP 0 405 043 A1 ist ein Verbundvliesstoffmaterial zur kosmetischen Verwendung bekannt, welches zwei die erste und die zweite Oberfläche bildende Außenschichten und eine zwischen diesen angeordnete Innenschicht aufweist. Die Schichten können aus Baumwolle, Viskose, synthetischen Fasern oder einem Gemisch hieraus gebildet sein. Der Zusammenhalt der Schichten ist durch Verbinden der Außenschichten an deren Umfangsrandbereichen mittels geeigneter Klebemittel oder durch Zusammenpressen geschaffen.EP 0 405 043 A1 describes a composite nonwoven material for known cosmetic use, which two the first and the second surface forming outer layers and one has an inner layer arranged between them. The Layers can be made of cotton, viscose, synthetic fibers or a mixture thereof. The cohesion of the Layers is by joining the outer layers to theirs Circumferential edge areas by means of suitable adhesives or through Pressed together.

US-A-5,480,699 zeigt ein zweischichtiges Verbundvliesstoffmaterial für kosmetische Zwecke mit wenigstens zwei Schichten. Zumindest die außenliegenden Schichten sind in gleichem oder unterschiedlichem Maße durch Prägen verdichtet. Als Materialien sind Baumwolle, Viskose, synthetische Fasern oder Mischungen hiervon angegeben. Auch die Möglichkeit der Erzeugung von Prägemustern auf den Außenschichten ist erwähnt.US-A-5,480,699 shows a two layer Composite nonwoven material for cosmetic purposes with at least two layers. At least the outside ones Layers are through to the same or different extent Embossing compacted. The materials are cotton, viscose, synthetic fibers or mixtures thereof. Also the possibility of creating embossing patterns on the Outer layers are mentioned.

Auch FR-A-2.052.089 zeigt ein zweischichtiges Verbundvliesstoffmaterial für kosmetische Zwecke aus Baumwolle, dessen Schichten durch punktförmige oder linienförmige Verprägung miteinander verbunden sind.FR-A-2.052.089 also shows a two-layer Composite nonwoven material for cosmetic purposes Cotton, the layers of which are punctiform or linear embossing are interconnected.

Der vorliegenden Erfindung liegt die Aufgabe zugrunde, ein Verbundvliesstoffmaterial für die Hautpflege und -reinigung und für kosmetische Zwecke mit wenigstens zwei Vliesstoffschichten zu schaffen, welches sich einfach und kostengünstig herstellen lässt und verschieden ausgebildete Oberflächen aufweist, die vorzugsweise durch taktile Wahrnehmung unterschieden werden können, wobei sich das Vliesstoffmaterial im Hinblick auf eine angenehme Anfühlung auf der Haut eines Benutzers bekannten Materialien als wenigstens gleichwertig erweisen soll. (oder: wobei sich das Vliesstoffmaterial durch eine als angenehmer empfundene Anfühlung auf der Haut eines Benutzers als bekannte Materialien auszeichnen sollte).The present invention is based on the object Composite nonwoven material for skin care and cleaning and for cosmetic purposes with at least two To create nonwoven layers, which is easy and can be produced inexpensively and variously trained Has surfaces, preferably by tactile Perception can be distinguished, whereby the Nonwoven material for a pleasant feel materials known on the skin of a user as should at least prove equivalent. (or: where that Nonwoven material through a felt more comfortable Feeling on a user's skin as known Should distinguish materials).

Diese Aufgabe wird durch ein Verbundvliesstoffmaterial für die Hautpflege und -reinigung und für kosmetische Zwecke mit wenigstens zwei Vliesstoffschichten gelöst, wobei die erste Vliesstoffschicht cellulosische Fasern und ggf. erste thermoplastische Fasern umfasst und wobei die zweite Vliesstoffschicht zweite thermoplastische Fasern umfasst, deren Schmelztemperatur geringer ist als diejenige der in der ersten Vliesstoffschicht ggf. vorgesehenen thermoplastischen Fasern, und wobei die wenigstens zwei.Vliesstoffschichten über Schmelzbindungen miteinander verbunden sind und die zweite Schicht auf ihrer der ersten Schicht abgewandten Oberfläche ein Prägemuster aufweist.This task is accomplished through a composite nonwoven material for the Skin care and cleansing and for cosmetic purposes solved at least two layers of nonwoven, the first Nonwoven layer of cellulosic fibers and possibly the first comprises thermoplastic fibers and being the second Nonwoven layer comprises second thermoplastic fibers, whose melting temperature is lower than that in the first nonwoven layer, if appropriate, provided thermoplastic Fibers, and wherein the at least two nonwoven layers over Fusible bonds are interconnected and the second Layer on its surface facing away from the first layer has an embossed pattern.

Die cellulosischen Fasern der ersten Schicht, bei denen es sich vorzugsweise um Baumwollfasern, insbesondere um Baumwollkämmlinge, handelt, bilden eine erste weich anfühlende Oberfläche des Verbundvliesstoffmaterials. Die dieser ersten Oberfläche abgewandte zweite Oberfläche, die von der zweiten Vliesstoffschicht gebildet ist, fühlt sich demgegenüber rauher an. Diese rauhe Anfühlung rührt von den schmelzverfestigten zweiten thermoplastischen Fasern der zweiten Schicht und von dem Prägemuster auf der Oberfläche der zweiten Schicht her.The cellulosic fibers of the first layer, where it is preferably cotton fibers, in particular Cotton combs, acts, form a first soft to the touch Surface of the composite nonwoven material. The first one Second surface facing away from the second Nonwoven layer is formed, however, feels rougher on. This rough feel comes from the melt-solidified second thermoplastic fibers of the second layer and of the embossed pattern on the surface of the second layer.

Durch Erwärmen der wenigstens zwei übereinander angeordneten Vliesstoffschichten während der Herstellung des Verbundvliesstoffmaterials kann eine sehr innige Verbindung der Fasern innerhalb der zweiten Schicht aber auch eine Verbindung der beiden Schichten untereinander erreicht werden.By heating the at least two arranged one above the other Nonwoven layers during the manufacture of the Composite nonwoven material can be a very intimate bond of fibers within the second layer but also one Connection of the two layers can be achieved with each other.

Es kann sich als vorteilhaft erweisen, wenn die erste Schicht, bevor sie mit der zweiten Vliesstoffschicht verbunden wird, einer Wasserstrahlvernadelung unterzogen wurde, um den Zusammenhalt der Fasern dieser ersten Schicht zu erhöhen, insbesondere dann, wenn wenige oder überhaupt keine thermoplastischen Fasern in dieser ersten Schicht vorhanden sind.It can be beneficial if the first layer, before it is bonded to the second nonwoven layer, was subjected to water jet needling in order to To increase cohesion of the fibers of this first layer especially if few or none at all thermoplastic fibers present in this first layer are.

Wenn in der ersten Schicht thermoplastische Fasern vorhanden sind, so handelt es sich hierbei vorzugsweise um Polyesterfasern. Auch die thermoplastischen Fasern der zweiten Schicht sind wenigstens zum Teil, insbesondere aber zu 100 % Polyesterfasern. Die Verwendung von Polyester-Fasern (PES) als erste thermoplastische Faser in der oberen Schicht erweist sich aufgrund ihres bauschelastischen Verhaltens (loft, resiliency) als besonders vorteilhaft, da hierdurch auf einfache und wirksame Weise verhindert werden kann, dass sich das auf der gegenüberliegenden Oberfläche der zweiten Schicht vorgesehene Prägemuster auf die erste Schicht überträgt bzw. zur ersten Schicht durchdrückt. Dadurch, dass der Schmelzpunkt der in der ersten Schicht ggf. vorgesehenen ersten thermoplastischen Fasern höher ist als der Schmelzpunkt der zweiten thermoplastischen Fasern, werden diese ersten thermoplastischen Fasern selbst nicht erschmolzen und die Oberfläche der ersten Schicht bleibt weich und vermittelt eine weiche, als angenehm empfundene Anfühlung, was auf die zellulosischen Fasern zurückzuführen ist, die vorzugsweise zu 90 bis 98 Gew.-% die erste Schicht bilden.If there are thermoplastic fibers in the first layer are, it is preferably Polyester fibers. The thermoplastic fibers of the second Shift are at least partially, but especially 100% Polyester fibers. The use of polyester fibers (PES) as first thermoplastic fiber in the upper layer proves due to their structural elastic behavior (loft, resiliency) as particularly advantageous because of this simple and effective way that can be prevented that on the opposite surface of the second layer transfers the intended embossing pattern to the first layer or pushed through to the first layer. In that the melting point the first provided in the first layer thermoplastic fibers is higher than the melting point of the second thermoplastic fibers, these will be first thermoplastic fibers themselves did not melt and that The surface of the first layer remains soft and conveys a soft, pleasant feeling, which on the cellulosic fibers, which is preferably due to 90 to 98 wt .-% form the first layer.

Es hat sich desweiteren als vorteilhaft erwiesen, wenn die Polyesterfasern der ersten und insbesondere der zweiten Schicht Bikomponentenfasern sind. Solchenfalls können die Polyester-Bikomponentenfasern der zweiten Schicht eine niedrig schmelzende Komponente aus Polyethylen (PE) und eine höher schmelzende Komponente aus Polyester (PES) aufweisen. In diesem Fall weisen die Polyester-Bikomponentenfasern einen Kern aus Polyester (PES) und einen Mantel aus Polyethylen (PE) auf. In vorteilhafter Weise beträgt die Faserstärke der Bikomponentenfasern 1,0 bis 6,5 dtex, insbesondere 1,2 bis 4,0 dtex, und vorzugsweise 1,5 bis 3,0 dtex. Die Faserlänge wird vorteilhafter Weise von 10 bis 80 mm, insbesondere von 20 bis 70 mm und vorzugsweise von 40 bis 50 mm gewählt. Es erweist sich desweiteren als vorteilhaft, wenn die zweite Schicht neben den Thermoplastischen Fasern auch cellulosische Fasern zu insbesondere 50 bis 95 Gew.-%, und vorzugsweise zu 70 bis 95 Gew.-% umfasst. Solchenfalls beträgt der Anteil der vorzugsweise aus Polyester-Bikomponentenfasern gebildeten thermoplastischen Fasern 5 bis 50 Gew.-% und vorzugsweise 5 bis 30 Gew.-% der jeweils betrachteten Schicht.It has also proven to be advantageous if the Polyester fibers of the first and especially the second Layer are bicomponent fibers. In that case, they can Second layer polyester bicomponent fibers a low melting component made of polyethylene (PE) and a higher have melting component made of polyester (PES). In In this case, the polyester bicomponent fibers have one Core made of polyester (PES) and a jacket made of polyethylene (PE) on. The fiber strength is advantageously Bicomponent fibers 1.0 to 6.5 dtex, in particular 1.2 to 4.0 dtex, and preferably 1.5 to 3.0 dtex. The fiber length is advantageously from 10 to 80 mm, in particular from 20 to 70 mm and preferably chosen from 40 to 50 mm. It turns out furthermore advantageous if the second layer in addition to the thermoplastic fibers also cellulosic fibers in particular 50 to 95% by weight, and preferably 70 to 95% by weight. In this case, the share is preferably formed from polyester bicomponent fibers thermoplastic fibers 5 to 50% by weight and preferably 5 up to 30% by weight of the layer under consideration.

Das Flächengewicht der ersten und der zweiten Schicht beträgt jeweils 100 bis 150 g/m2.The weight per unit area of the first and second layers is 100 to 150 g / m 2 .

Die Erfindung betrifft auch ein Verfahren zum Herstellen eines erfindungsgemäßen Verbundvliesstoffmaterials und umfasst die folgenden Merkmale:

  • Bilden einer ersten Schicht mit cellulosischen Fasern und gegebenenfalls mit ersten thermoplastischen Fasern,
  • Bilden einer zweiten Schicht mit zweiten thermoplastischen Fasern, deren Schmelztemperatur geringer ist als diejenige der in der ersten Vliesstoffschicht gegebenenfalls vorgesehenen ersten thermoplastischen Fasern,
  • Anordnen der Schichten übereinander,
  • Ausüben von Druck auf die Schichtenanordnung und Erwärmen der Schichtenanordnung, so dass die zweiten thermoplastischen Fasern zumindest an ihrer Oberfläche erschmolzen werden und so zwischen Fasern der ersten und Fasern der zweiten Schicht Schmelzbindungen ausgebildet werden, welche die Schichten miteinander verbinden, und zusätzlich Schmelzbindungen zwischen Fasern der zweiten Schicht ausgebildet werden, welche die zweite Schicht in sich verfestigen.
The invention also relates to a method for producing a composite nonwoven material according to the invention and comprises the following features:
  • Forming a first layer with cellulosic fibers and optionally with first thermoplastic fibers,
  • Forming a second layer with second thermoplastic fibers, the melting temperature of which is lower than that of the first thermoplastic fibers optionally provided in the first nonwoven layer,
  • Arranging the layers on top of each other,
  • Applying pressure to the layer arrangement and heating the layer arrangement, so that the second thermoplastic fibers are melted at least on their surface and thus melt bonds are formed between fibers of the first and fibers of the second layer, which connect the layers to one another, and additionally melt bonds between fibers of the second layer are formed, which solidify the second layer in itself.

Wie bereits erwähnt, kann es sich als vorteilhaft erweisen, wenn die erste Schicht wasserstrahlvernadelt wird, bevor die Schichten übereinander angeordnet und durch Erwärmen der Schichtenanordnung miteinander verbunden werden. Das Erwärmen. der Schichtenanordnung kann in ansich beliebiger Weise erreicht werden, vorteilhafterweise findet ein heißer Gasstrom hierfür Anwendung.As mentioned earlier, it can be beneficial if the first layer is needled with water jet before the Layers are stacked and heated by heating Layer arrangement are interconnected. The warming. the layer arrangement can be in any way can be achieved, advantageously a hot gas stream takes place application for this.

Es kann sich auch als vorteilhaft erweisen, wenn sowohl das Ausüben von Druck auf die Schichtenanordnung als auch das Erwärmen der Schichtenanordnung durch Kalandrieren ausgeführt wird. Es erweist sich dann als vorteilhaft, dass zugleich auf der von der ersten Schicht abgewandten Oberfläche der zweiten Schicht das Prägemuster erzeugt werden kann.It can also prove beneficial if both of these Applying pressure to the layer arrangement as well Heating the layer arrangement carried out by calendering becomes. It then proves to be advantageous that at the same time the surface of the second facing away from the first layer Layer the embossing pattern can be created.

Die Erfindung betrifft ferner ein zweischichtiges Wattepad für die Hautpflege und -reinigung und für kosmetische Zwecke, gebildet aus einem erfindungsgemäßen Verbundvliesstoffmaterial.The invention further relates to a two-layer cotton pad for skin care and cleansing and for cosmetic purposes, formed from an inventive Composite nonwoven fabric material.

Weitere Merkmale, Einzelheiten und Vorteile der Erfindung ergeben sich aus den Patentansprüchen und aus der zeichnerischen Darstellung und nachfolgenden Beschreibung bevorzugter Ausführungsformen der Erfindung. In der Zeichnung zeigt:

Figur 1
eine schematische Darstellung einer ersten Ausführungsform des erfindungsgemäßen Verbundvliesstoffmaterial; und
Figur 2
eine schematische Darstellung einer zweiten Ausführungsform des erfindungsgemäßen Verbundvliesstoffmaterials.
Further features, details and advantages of the invention result from the patent claims and from the graphic representation and the following description of preferred embodiments of the invention. The drawing shows:
Figure 1
a schematic representation of a first embodiment of the composite nonwoven material according to the invention; and
Figure 2
is a schematic representation of a second embodiment of the composite nonwoven material according to the invention.

Figur 1 zeigt in schematischer Darstellung eine erste Ausführungsform eines erfindungsgemäßen Verbundvliesstoffmaterials 2 mit einer ersten Vliesstoffschicht 4, welche eine erste weich anfühlende Oberfläche 6 bildet, und mit einer zweiten Vliesstoffschicht 8, welche eine gegenüber der ersten Oberfläche 6 rauh anfühlende Oberfläche 10 bildet.Figure 1 shows a schematic representation of a first Embodiment of an inventive Composite nonwoven material 2 with a first Nonwoven layer 4, which is a first soft to the touch Forms surface 6, and with a second nonwoven layer 8, which is rough compared to the first surface 6 feels surface 10 forms.

Die erste Schicht 4 besteht zu 100 % aus Baumwollkämmlingen. Sie wurde wasserstrahlvernadelt, bevor sie über der zweiten Schicht 8 angeordnet und mit dieser verbunden wurde.The first layer 4 consists of 100% cotton combs. She was needled with water jet before she was over the second Layer 8 was arranged and connected to this.

Die zweite Schicht 8 umfasst zu 87 Gew.-% Baumwollkämmlinge und zu 13 Gew.-% Polyester-Bikomponentenfasern. Die Polyester (PES)-Bikomponentenfasern umfassen als niedrig schmelzende Komponente Co-Polyester mit einem Schmelzpunkt von 160°C und als höher schmelzende Komponente Polyester mit einem Schmelzpunkt von 260°C. Die Länge der Fasern beträgt 51 mm. Die Faserstärke beträgt 2,5 dtex.The second layer 8 comprises 87% by weight of cotton combs and 13% by weight polyester bicomponent fibers. The polyester (PES) bicomponent fibers include low melting Component co-polyester with a melting point of 160 ° C and as a higher melting component polyester with a Melting point of 260 ° C. The length of the fibers is 51 mm. The Fiber strength is 2.5 dtex.

Die erste Oberfläche vermittelt eine sehr weiche Anfühlung und ist geeignet zum Auftragen von Lotionen, Crèmes oder dergleichen. Die zweite Oberfläche 10, die ein Prägemuster aufweist, ist geeignet zum Abschminken.The first surface gives a very soft touch and is suitable for applying lotions, creams or like. The second surface 10, which is an embossed pattern is suitable for removing make-up.

Figur 2 zeigt ein zweites Ausführungsbeispiel eines Verbundvliesstoffmaterials 12 mit einer ersten Schicht 14, bestehend aus 95 Gew.-% Baumwollkämmlingen und 5 % PES-Bikomponentenfasern, der in Zusammenhang mit Figur 1 erläuterten Art. Die zweite Vliesstoffschicht 16 besteht zu 85 Gew.-% aus Baumwollkämmlingen und 15 Gew.-% aus Polyethylen/Polyester (PE/PES)-Bikomponentenfasern, wobei Polyester (PE) die niedrig schmelzende Komponente mit einem Schmelzpunkt von 120°C und Polyester (PES) als Kern der Bikomponentenfaser die höher schmelzende Komponente mit einem Schmelzpunkt von 260°C bildet.Figure 2 shows a second embodiment of a Composite nonwoven material 12 with a first layer 14, consisting of 95% by weight cotton combs and 5% PES bicomponent fibers, the in connection with Figure 1 Art. The second nonwoven layer 16 consists of 85th % By weight of cotton combs and 15% by weight Polyethylene / polyester (PE / PES) bicomponent fibers, where Polyester (PE) the low melting component with a Melting point of 120 ° C and polyester (PES) as the core of the Bicomponent fiber is the higher melting component with one Melting point of 260 ° C forms.

Claims (26)

Verbundvliesstoffmaterial für die Hautpflege und -reinigung und für kosmetische Zwecke mit wenigstens zwei Vliesstoffschichten, wobei die erste Vliesstoffschicht cellulosische Fasern und gegebenenfalls erste thermoplastische Fasern umfasst und wobei die zweite Vliesstoffschicht zweite thermoplastische Fasern umfasst, deren Schmelztemperatur geringer ist als diejenige der in der ersten Vliesstoffschicht gegebenenfalls vorgesehenen ersten thermoplastischen Fasern, und wobei die wenigstens zwei Vliesstoffschichten über Schmelzbindungen miteinander verbunden sind und die zweite Schicht auf ihrer der ersten Schicht abgewandten Oberfläche ein Prägemuster aufweist.Composite nonwoven material for skin care and -cleaning and for cosmetic purposes with at least two Nonwoven layers, the first nonwoven layer cellulosic fibers and possibly the first comprises thermoplastic fibers and being the second Nonwoven layer comprises second thermoplastic fibers, whose melting temperature is lower than that in the first nonwoven layer, if applicable first thermoplastic fibers, and wherein the at least two layers of nonwoven fabric over melt bonds are interconnected and the second layer on their surface facing away from the first layer Has embossed pattern. Verbundvliesstoffmaterial nach Anspruch 1, dadurch gekennzeichnet, dass die cellulosischen Fasern Baumwollfasern sind.Composite nonwoven material according to claim 1, characterized in that the cellulosic fibers are cotton fibers. Verbundvliesstoffmaterial nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die erste Schicht zu 90 - 98 Gew.-% cellulosische Fasern umfasst.Composite nonwoven material according to claim 1 or 2, characterized in that the first layer comprises 90-98% by weight of cellulosic fibers. Verbundvliesstoffmaterial nach Anspruch 1, 2 oder 3, dadurch gekennzeichnet, dass die erste Schicht wasserstrahlvernadelt ist. Composite nonwoven material according to claim 1, 2 or 3, characterized in that the first layer is water jet needled. Verbundvliesstoffmaterial nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass die in der ersten Schicht gegebenenfalls vorgesehenen thermoplastischen Fasern Polyesterfasern sind.Composite nonwoven material according to one of the preceding claims, characterized in that the thermoplastic fibers optionally provided in the first layer are polyester fibers. Verbundvliesstoffmaterial nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass die thermoplastischen Fasern der zweiten Schicht wenigstens zum Teil Polyesterfasern sind.Composite nonwoven material according to one of the preceding claims, characterized in that the thermoplastic fibers of the second layer are at least partially polyester fibers. Verbundvliesstoffmaterial nach Anspruch 6, dadurch gekennzeichnet, dass die Polyesterfasern der zweiten Schicht wenigstens zum Teil Bikomponentenfasern sind.Composite nonwoven material according to claim 6, characterized in that the polyester fibers of the second layer are at least partially bicomponent fibers. Verbundvliesstoffmaterial nach Anspruch 7, dadurch gekennzeichnet, dass die Polyester-Bikomponentenfasern der zweiten Schicht eine niedrigschmelzende Komponente aus Polyethylen (PE) und eine höherschmelzende Komponente aus Polyester (PES) aufweisen.Composite nonwoven material according to claim 7, characterized in that the polyester bicomponent fibers of the second layer have a low-melting component made of polyethylene (PE) and a higher-melting component made of polyester (PES). Verbundvliesstoffmaterial nach Anspruch 8, dadurch gekennzeichnet, dass die Polyester-Bikomponentenfasern der zweiten Schicht einen Kern aus Polyester (PES) und einen Mantel auf Polyethylenbasis (PE) aufweisen.Composite nonwoven material according to claim 8, characterized in that the polyester bicomponent fibers of the second layer have a core made of polyester (PES) and a jacket based on polyethylene (PE). Verbundvliesstoffmaterial nach einem der Ansprüche 7 bis 9, dadurch gekennzeichnet, dass die Bikomponentenfasern eine Faserstärke von 1,0 bis 6,5 dtex aufweisen.Composite nonwoven material according to one of claims 7 to 9, characterized in that the bicomponent fibers have a fiber thickness of 1.0 to 6.5 dtex. Verbundvliesstoffmaterial nach Anspruch 10, dadurch gekennzeichnet, dass die Bikomponentenfasern eine Faserstärke von 1,2 bis 4,0 dtex aufweisen.Composite nonwoven material according to claim 10, characterized in that the bicomponent fibers have a fiber thickness of 1.2 to 4.0 dtex. Verbundvliesstoffmaterial nach Anspruch 11, dadurch gekennzeichnet, dass die Bikomponentenfasern eine Faserstärke von 1,5 bis 3,0 dtex aufweisen.Composite nonwoven material according to claim 11, characterized in that the bicomponent fibers have a fiber thickness of 1.5 to 3.0 dtex. Verbundvliesstoffmaterial nach einem der Ansprüche 7 bis 12, dadurch gekennzeichnet, dass die Bikomponentenfasern eine Faserlänge von 10 bis 80 mm aufweisen.Composite nonwoven material according to one of claims 7 to 12, characterized in that the bicomponent fibers have a fiber length of 10 to 80 mm. Verbundvliesstoffmaterial nach Anspruch 13, dadurch gekennzeichnet, dass die Bikomponentenfasern eine Faserlänge von 20 bis 70 mm aufweisen.Composite nonwoven material according to claim 13, characterized in that the bicomponent fibers have a fiber length of 20 to 70 mm. Verbundvliesstoffmaterial nach Anspruch 14, dadurch gekennzeichnet, dass die Bikomponentenfasern eine Faserlänge von 40 bis 50 mm aufweisen.Composite nonwoven material according to claim 14, characterized in that the bicomponent fibers have a fiber length of 40 to 50 mm. Verbundvliesstoffmaterial nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass die zweite Schicht neben den thermoplastischen Fasern zu 50 bis 95 Gew.-% cellulosische Fasern umfasst. Composite nonwoven material according to one of the preceding claims, characterized in that the second layer comprises 50 to 95% by weight cellulosic fibers in addition to the thermoplastic fibers. Verbundvliesstoffmaterial nach Anspruch 16, dadurch gekennzeichnet, dass die zweite Schicht neben den thermoplastischen Fasern zu 70 bis 95 Gew.-% cellulosische Fasern umfasst.Composite nonwoven material according to claim 16, characterized in that the second layer comprises 70 to 95 wt .-% cellulosic fibers in addition to the thermoplastic fibers. Verbundvliesstoffmaterial nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass die cellulosischen Fasern Baumwollfasern sind.Composite nonwoven material according to one of the preceding claims, characterized in that the cellulosic fibers are cotton fibers. Verbundvliesstoffmaterial nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass das Flächengewicht der jeweiligen Schichten 100 bis 150 g/m2, beträgt.Composite nonwoven material according to one of the preceding claims, characterized in that the basis weight of the respective layers is 100 to 150 g / m 2 . Verfahren zum Herstellen eines Verbundvliesstoffmaterials nach einem der vorstehenden Ansprüche, die folgenden Merkmale umfassend: Bilden einer ersten Schicht mit cellulosischen Fasern und gegebenenfalls mit ersten thermoplastischen Fasern, Bilden einer zweiten Schicht mit zweiten thermoplastischen Fasern, deren Schmelztemperatur geringer ist als diejenige der in der ersten Vliesstoffschicht gegebenenfalls vorgesehenen ersten thermoplastischen Fasern, Anordnen der Schichten übereinander, Ausüben von Druck auf die Schichtenanordnung und Erwärmen der Schichtenanordnung, so dass die zweiten thermoplastischen Fasern zumindest an ihrer Oberfläche erschmolzen werden und so zwischen Fasern der ersten und Fasern der zweiten Schicht Schmelzbindungen ausgebildet werden, welche die Schichten miteinander verbinden, und zusätzlich Schmelzbindungen zwischen Fasern der zweiten Schicht ausgebildet werden, welche die zweite Schicht in sich verfestigen. A method of making a composite nonwoven material according to any one of the preceding claims, comprising the following features: Forming a first layer with cellulosic fibers and optionally with first thermoplastic fibers, Forming a second layer with second thermoplastic fibers, the melting temperature of which is lower than that of the first thermoplastic fibers optionally provided in the first nonwoven layer, Arranging the layers on top of each other, Applying pressure to the layer arrangement and heating the layer arrangement, so that the second thermoplastic fibers are melted at least on their surface and thus melt bonds are formed between fibers of the first and fibers of the second layer, which connect the layers to one another, and additionally melt bonds between fibers of the second layer are formed, which solidify the second layer in itself. Verfahren nach Anspruch 20, dadurch gekennzeichnet, dass die erste Schicht wasserstrahlvernadelt wird, bevor die Schichten übereinander angeordnet werden.A method according to claim 20, characterized in that the first layer is needled by water jet before the layers are arranged one above the other. Verfahren nach Anspruch 21, dadurch gekennzeichnet, dass die wasserstrahlvernadelte erste Schicht getrocknet wird, bevor die Schichten übereinander angeordnet werden.A method according to claim 21, characterized in that the water-jet needled first layer is dried before the layers are arranged one above the other. Verfahren nach einem der Ansprüche 20 bis 22, dadurch gekennzeichnet, dass das Erwärmen der Schichtenanordnung mittels eines heißen Gasstroms erreicht wird.Method according to one of claims 20 to 22, characterized in that the heating of the layer arrangement is achieved by means of a hot gas stream. Verfahren nach einem der Ansprüche 20 bis 23, dadurch gekennzeichnet, dass das Ausüben von Druck auf die Schichtenanordnung und das Erwärmen der Schichtenanordnung durch Kalandrieren ausgeführt wird.Method according to one of claims 20 to 23, characterized in that the application of pressure to the layer arrangement and the heating of the layer arrangement is carried out by calendering. Verfahren nach einem der Ansprüche 20 bis 24, dadurch gekennzeichnet, dass durch Kalandrieren ein Prägemuster auf der von der ersten Schicht abgewandten Oberfläche der zweiten Schicht erzeugt wird.Method according to one of claims 20 to 24, characterized in that an embossing pattern is produced on the surface of the second layer facing away from the first layer by calendering. Zweischichtiges Wattepad für die Hautpflege und -reinigung und für kosmetische Zwecke, gebildet aus einem Verbundvliesstoffmaterial nach einem oder mehreren der Ansprüche 1 bis 19.Two-layer cotton pad for skin care and -cleaning and for cosmetic purposes, formed from one Composite nonwoven material according to one or more of the Claims 1 to 19.
EP02011653A 2001-06-06 2002-05-31 Nonwoven material and process of manufacturing Expired - Lifetime EP1264561B9 (en)

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DE10127514A DE10127514A1 (en) 2001-06-06 2001-06-06 Composite nonwoven material and process for its production
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Also Published As

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EP1264561B2 (en) 2009-08-19
ATE330505T1 (en) 2006-07-15
DE10127514A1 (en) 2003-01-30
EP1264561B9 (en) 2009-11-18
EP1264561B1 (en) 2006-06-21

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