EP1264561B2 - Nonwoven material and process of manufacturing - Google Patents

Nonwoven material and process of manufacturing Download PDF

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Publication number
EP1264561B2
EP1264561B2 EP02011653A EP02011653A EP1264561B2 EP 1264561 B2 EP1264561 B2 EP 1264561B2 EP 02011653 A EP02011653 A EP 02011653A EP 02011653 A EP02011653 A EP 02011653A EP 1264561 B2 EP1264561 B2 EP 1264561B2
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Prior art keywords
layer
fibres
cotton wool
pad according
wool pad
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German (de)
French (fr)
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EP1264561A1 (en
EP1264561B9 (en
EP1264561B1 (en
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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

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 Wattepad für die Hautpflege und -reinigung und für kosmetische Zwecke, mit zwei Vliesstoffschichten.The invention relates to a cotton pad for skin care and cleansing and for cosmetic purposes, with two nonwoven fabric 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.Out EP 0 826 811 A2 For example, a composite nonwoven fabric having a first soft feel surface and a second face away from the first and rough to the first is known. The layer which forms the rough-feeling surface comprises at least partially thermoplastic fibers, preferably from the class of polyolefins. The other layer comprises natural and / or synthetic fibers, which have a lower fiber thickness than those of the other layer and form the soft-feeling surface. The document teaches to connect the layers by water jet needling together. In a subsequent heat treatment, only the free ends of the thermoplastic fibers projecting from the rough-feeling surface layer are melted to enhance the impression of a rough surface.

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.Out EP 0 405 043 A1 For example, there is known a composite nonwoven material for cosmetic use which has two outer layers forming the first and second surfaces and an inner layer disposed therebetween. The layers may be formed of cotton, viscose, synthetic fibers or a mixture thereof. The cohesion of the layers is created by bonding the outer layers to their peripheral edge regions by means of suitable adhesives or by compression.

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 use with at least two layers. At least the outer layers are compacted to the same or different extent by embossing. As materials cotton, viscose, synthetic fibers or mixtures thereof are indicated. The possibility of producing embossed patterns on the outer layers is also 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 sindAlso FR-A-2052089 shows a two-layer composite nonwoven fabric for cosmetic purposes made of cotton, whose layers are connected by punctiform or linear embossing

EP-A-0 441 667 offenbart ein wenigstens dreischichtiges Wattepad, wobei beidseits einer dünnen Sperrschicht je eine absorbierende Vliesstoffschicht vorgesehen ist. EP-A-0 441 667 discloses an at least three-layered cotton pad, wherein on both sides of a thin barrier layer per an absorbent nonwoven fabric layer is provided.

Der vorliegenden Erfindung liegt die Aufgabe zugrunde, ein Wattepad für die Hautpflege und -reinigung und für kosmetische Zwecke mit 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 Wattepad im Hinblick auf eine angenehme Anfühlung auf der Haut eines Benutzers bekannten Materialien als wenigstens gleichwertig erweisen soll.The present invention has for its object to provide a cotton pad for skin care and cleansing and cosmetic purposes with two nonwoven fabric layers, which can be produced easily and inexpensively and has different trained surfaces, which can preferably be distinguished by tactile perception, wherein the cotton pad is said to be at least equivalent to known materials in terms of a pleasant feel on the skin of a user.

Diese Aufgabe wird durch ein Wattepad mit den Merkmalen des Anspruchs 1 gelöst.This object is achieved by a cotton pad with the features of claim 1.

Die cellulosischen Fasern der ersten Schicht, bei denen es sich vorzugsweise um Baumwollfasern; insbesondere um Baumwollkämmlinge, handelt, bilden eine erste weich anfühlende Oberfläche des Wattepads. 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 thermoplastischen Fasern der zweiten Schicht und von dem Prägemuster auf der Oberfläche der zweiten Schicht her.The cellulosic fibers of the first layer, which are preferably cotton fibers; especially cotton noils, acts to form a first soft-feeling surface of the cotton pad. In contrast, the second surface facing away from this first surface, which is formed by the second nonwoven fabric layer, feels rougher. This rough feel is due to the melt-set thermoplastic fibers of the second layer and the embossing pattern on the surface of the second layer.

Durch Erwärmen der zwei übereinander angeordneten Vliesstoffschichten während der Herstellung des Wattepads kann eine sehr innige Verbindung der Fasern innerhalb der zweiten Schicht aber auch eine Verbindung der beiden Schichten untereinander erreicht werden.By heating the two superimposed nonwoven fabric layers during the production of the cotton pad, a very intimate connection of the fibers within the second layer as well as a connection of the two layers with one another can be achieved.

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 thermoplastischen Fasern in dieser ersten Schicht vorhanden sind.It may prove advantageous if the first layer has been subjected to water jet needling prior to being bonded to the second nonwoven layer in order to increase the integrity of the fibers of that first layer, particularly if there are a few thermoplastic fibers in that first layer ,

Bei den in der ersten Schicht vorhandenen thermoplastischen Fasern handelt es sich 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 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.The thermoplastic fibers present in the first layer are preferably polyester fibers. The thermoplastic fibers of the second layer are at least partially, but especially 100% polyester fibers. The use of polyester fibers (PES) as the first thermoplastic fiber in the top layer proves to be particularly advantageous because of its lofty resiliency, as this can easily and effectively prevent it from being deposited on the opposite surface the second layer provided embossing pattern transmits to the first layer or pushed through to the first layer. Characterized in that the melting point of the first thermoplastic fibers provided in the first layer is higher than the melting point of the second thermoplastic fibers, these first thermoplastic fibers themselves are not melted and the surface of the first layer remains soft and gives a soft, perceived as pleasant feeling, due to the cellulosic fibers, which preferably form 90 to 98% by weight of 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 furthermore proved to be advantageous if the polyester fibers of the first and in particular of the second layer are bicomponent fibers. In this case, the polyester bicomponent fibers of the second layer may comprise a low-melting component of polyethylene (PE) and a higher-melting component of polyester (PES). In In this case, the polyester bicomponent fibers have a polyester core (PES) and a polyethylene (PE) shell. The fiber thickness of the bicomponent fibers is advantageously 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 selected from 10 to 80 mm, in particular from 20 to 70 mm and preferably from 40 to 50 mm. It also proves to be advantageous if the second layer in addition to the thermoplastic fibers and cellulosic fibers in particular from 50 to 95 wt .-%, and preferably comprises from 70 to 95 wt .-%. In this case, the proportion of the thermoplastic fibers preferably formed from polyester bicomponent fibers is from 5 to 50% by weight, and preferably from 5 to 30% by weight, of the particular layer considered.

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

Die Erfindung betrifft auch ein Verfahren zum Herstellen eines erfindungsgemäßen Wattepads mit den Merkmalen des Anspruchs 20.The invention also relates to a method for producing a cotton pad according to the invention with the features of claim 20.

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 already mentioned, it can prove to be advantageous if the first layer is water jet-needled before the layers are arranged one above the other and joined together by heating the layer arrangement. The heating of the layer arrangement can be achieved in any way ansich, advantageously, a hot gas flow is used for this purpose.

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 may also be advantageous if both the application of pressure to the layer arrangement and the heating of the layer arrangement is carried out by calendering. It then proves to be advantageous that at the same time the embossing pattern can be produced on the surface of the second layer facing away from the first layer.

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 Ausführungsform eines nicht erfindungsgemäßen Verbundvliesstoffmaterials und
Figur 2
eine schematische Darstellung einer Ausführungsform eines Verbundvliesstoffmaterials zur Bildung eines erfindungsgemäßen Wattepads.
Further features, details and advantages of the invention will become apparent from the claims and from the drawings and the following description of preferred embodiments of the invention. In the drawing shows:
FIG. 1
a schematic representation of an embodiment of a non-inventive composite nonwoven material and
FIG. 2
a schematic representation of an embodiment of a composite nonwoven material for forming a cotton pad according to the invention.

Figur 1 zeigt in schematischer Darstellung eine Ausführungsform eines 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. FIG. 1 1 schematically shows an embodiment of a composite nonwoven material 2 having a first nonwoven fabric layer 4 which forms a first soft-feeling surface 6, and a second nonwoven fabric layer 8 which forms a rough-feeling surface 10 with respect to the first surface 6.

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 seedlings. It was water jet needled before being placed over and bonded to the second layer 8.

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 combing and 13% by weight of polyester bicomponent fibers. The polyester (PES) bicomponent fibers comprise, as a low-melting component, co-polyesters having a melting point of 160 ° C and, as a higher-melting component, polyesters having a melting point of 260 ° C. The length of the fibers is 51 mm. The fiber thickness is 2.5 dtex.

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

Figur 2 zeigt ein Ausführungsbeispiel eines Verbundvliesstoffmaterials 12 zur Bildung eines erfindungsgemäßen Wattepads, 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 Polyethylen (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. FIG. 2 FIG. 12 shows an embodiment of a composite nonwoven material 12 for forming a cotton pad according to the invention, comprising a first layer 14 consisting of 95% by weight of cotton seedlings and 5% of PES bicomponent fibers associated with FIG. 1 The second nonwoven fabric layer 16 consists of 85% by weight of cotton fibers and 15% by weight of polyethylene / polyester (PE / PES) bicomponent fibers, with polyethylene (PE) being the low melting component with a melting point of 120 ° C and polyester (PES) as the core of the bicomponent fiber forms the higher melting component with a melting point of 260 ° C.

Claims (24)

  1. Two-layer cotton wool pad for skin care and cleaning and for cosmetic purposes, formed from a composite nonwoven fabric material comprising two nonwoven fabric layers, wherein the first layer comprising cellulosic fibres and the second layer comprising thermoplastic fibres, and the two layers being joined together by melt bonds between fibres of the first layer and fibers of the second layer, and wherein the second layer having an embossed pattern on its surface turned away from the first layer and wherein the first nonwoven fabric layer comprises first thermoplastic fibres and the second nonwoven fabric layer comprises second thermoplastic fibres, the melting point of which is lower than that of the first thermoplastic fibres provided in the first nonwoven fabric layer.
  2. Two-layer cotton wool pad according to claim 1, characterised in that the cellulosic fibres are cotton fibres.
  3. Two-layer cotton wool pad according to claims 1 or 2, characterised in that the first layer consists of from 90 to 98 % by weight of cellulosic fibres.
  4. Two-layer cotton wool pad according to any one of claims 1 to 3, characterised in that the first layer is needled by a water jet.
  5. Two-layer cotton wool pad according to any one of the preceding claims, characterised in that the thermoplastic fibres in the first layer are polyester fibres.
  6. Two-layer cotton wool pad according to any one of the preceding claims, characterised in that at least some of the thermoplastic fibres of the second layer are polyester fibres.
  7. Two-layer cotton wool pad according to claim 6, characterised in that at least some of the polyester fibres of the second layer are bicomponent fibres.
  8. Two-layer cotton wool pad according to claim 7, characterised in that the polyester bicomponent fibres of the second layer have a low-melting polyethylene (PE) component and a higher-melting polyester (PES) component.
  9. Two-layer cotton wool pad according to claim 8, characterised in that the polyester bicomponent fibres of the second layer have a polyester (PES) core and a polyethylene (PE)-based sheath.
  10. Two-layer cotton wool pad according to any one of claims 7 to 9, characterised in that the bicomponent fibres have a fibre thickness of from 1.0 to 6.5 dtex.
  11. Two-layer cotton wool pad according to claim 10, characterised in that the bicomponent fibres have a fibre thickness of from 1.2 to 4.0 dtex.
  12. Two-layer cotton wool pad according to claim 11, characterised in that the bicomponent fibres have a fibre thickness of from 1.5 to 3.0 dtex.
  13. Two-layer cotton wool pad according to any one of claims 7 to 12, characterised in that the bicomponent fibres have a fibre length of from 10 to 80 mm.
  14. Two-layer cotton wool pad according to claim 13, characterised in that the bicomponent fibres have a fibre length of from 20 to 70 mm.
  15. Two-layer cotton wool pad according to claim 14, characterised in that the bicomponent fibres have a fibre length of from 40 to 50 mm.
  16. Two-layer cotton wool pad according to any one of the preceding claims, characterised in that the second layer comprises from 50 to 95 % by weight of cellulosic fibres in addition to the thermoplastic fibres.
  17. Two-layer cotton wool pad according to claim 16, characterised in that the second layer comprises from 70 to 95 % by weight of cellulosic fibres in addition to the thermoplastic fibres.
  18. Two-layer cotton wool pad according to either claim 16 or claim 17, characterised in that the cellulosic fibres are cotton fibres.
  19. Two-layer cotton wool pad according to any one of the preceding claims, characterised in that the mass per unit area of each layer is from 100 to 150 g/m2.
  20. Method for producing a cotton wool pad according to any one of the preceding claims, comprising the following features:
    - forming a first layer comprising cellulosic fibres and first thermoplastic fibers,
    - forming a second layer comprising second thermoplastic fibres the melting point of which is lower than that of the first thermoplastic fibres provided in the first nonwoven fabric layer,
    - arranging the layers one on top of the other,
    - exerting pressure on the layer arrangement and heating said layer arrangement so that the second thermoplastic fibres melt at least on their surface and so that between fibres of the first layer and fibres of the second layer there are formed melt bonds which join the layers together, and melt bonds are also formed between fibres of the second layer which bond the second layer into themselves, and that the surface, turned away from the first layer, of the second layer is embossed with a pattern by calendering.
  21. Method according to claim 20, characterised in that the first layer is needled by water jet before the layers are positioned one on top of the other.
  22. Method according to claim 21, characterised in that the first layer, needled by water jet, is dried before the layers are positioned one on top of the other.
  23. Method according to any one of claims 20 to 22, characterised in that the layer arrangement is heated by a stream of hot gas.
  24. Method according to any one of claims 20 to 23, characterised in that the layer arrangement is subjected to pressure and is heated by calendering.
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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ATE330505T1 (en) 2006-07-15
DE10127514A1 (en) 2003-01-30
DE50207253D1 (en) 2006-08-03

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