WO2001048292A1 - Sanitary fabric - Google Patents

Sanitary fabric Download PDF

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Publication number
WO2001048292A1
WO2001048292A1 PCT/EP2000/010694 EP0010694W WO0148292A1 WO 2001048292 A1 WO2001048292 A1 WO 2001048292A1 EP 0010694 W EP0010694 W EP 0010694W WO 0148292 A1 WO0148292 A1 WO 0148292A1
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WO
WIPO (PCT)
Prior art keywords
sanitary
filaments
nonwoven
continuous filaments
titer
Prior art date
Application number
PCT/EP2000/010694
Other languages
German (de)
French (fr)
Inventor
Robert Groten
Oliver Bittner
Original Assignee
Carl Freudenberg Kg
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Carl Freudenberg Kg filed Critical Carl Freudenberg Kg
Priority to AU19976/01A priority Critical patent/AU1997601A/en
Publication of WO2001048292A1 publication Critical patent/WO2001048292A1/en

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Classifications

    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/016—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the fineness
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47K—SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
    • A47K10/00—Body-drying implements; Toilet paper; Holders therefor
    • A47K10/02—Towels
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47K—SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
    • A47K7/00—Body washing or cleaning implements
    • A47K7/02—Bathing sponges, brushes, gloves, or similar cleaning or rubbing implements
    • 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
    • D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/005—Synthetic yarns or filaments
    • D04H3/009—Condensation or reaction polymers
    • 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
    • D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/005—Synthetic yarns or filaments
    • D04H3/009—Condensation or reaction polymers
    • D04H3/011—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
    • D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/08—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating
    • D04H3/10—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between yarns or filaments made mechanically
    • D04H3/11—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between yarns or filaments made mechanically 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
    • D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/08—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating
    • D04H3/14—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between thermoplastic yarns or filaments produced by welding
    • 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
    • D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/08—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating
    • D04H3/16—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between thermoplastic filaments produced in association with filament formation, e.g. immediately following extrusion

Definitions

  • the invention relates to a sanitary wash consisting of a microfilament nonwoven fabric with weights per unit area of 60 to 300 g / m 2 .
  • Document EP-A 0 624 676 discloses nonwoven fabrics made of ultrafine fibers and processes for their production from bicomponent fibers.
  • the starting polymers of the bicomponent fibers should have a melting point difference of 30 to 180 ° C and are spun as multi-segment fibers.
  • the bicomponent fibers laid down to form a pile of fibers are subjected to a point calendering in which only the fiber component with the lower melting point is melted and solidified.
  • at least 70% of the nonwoven fabric formed from the multi-segment fibers is split into the ultrafine sub-segment fibers by mechanical action on the fibers.
  • the nonwovens obtained in this way achieve tensile strength values in the longitudinal and transverse directions of up to a maximum of 260 N / 5 cm and can be used as bed linen, absorbent for sanitary products such as handkerchiefs, diapers, padding for sleeping bags, synthetic leather, thermal insulation materials and others.
  • the object of the invention is to provide inexpensive sanitary linen and a method for their production.
  • the object is achieved by a sanitary wash, which consists of a microfilament nonwoven fabric with grammages of 60 to 300 g / m 2 , the nonwoven fabric being melt-spun, stretched and immediately deposited into a nonwoven multicomponent continuous filament with a titer of 1.5 to 5 dtex exists and the multicomponent continuous filaments are optionally split and consolidated at least 80% into micro continuous filaments with a titer of 0.1 to 0.8 dtex after pre-consolidation.
  • no hemming is necessary due to the endless filaments and there is no fraying or fraying.
  • the sanitary laundry is preferably also one in which the nonwoven fabric consists of melt-spun, aerodynamically stretched and immediately deposited multi-component continuous filaments with a titer of 1.5 to 3 dtex and the multi-component continuous filaments are at least 80% micro-continuous filaments with a Titers of 0.1 to 0.3 dtex are split and solidified.
  • the sanitary linen has an isotropic filament distribution in the fleece. It is therefore not necessary to take the machine direction into account when cutting the sanitary linen.
  • the sanitary laundry is preferably also one in which the multi-component continuous filament is a bicomponent continuous filament made of two incompatible polymers, in particular a polyester and a polyamide.
  • a bicomponent filament has good cleavability in micro filaments and has a favorable ratio of strength to basis weight.
  • the sanitary linen according to the invention is wrinkle-free, easy to wash and quick-drying, i.e. easy to care for.
  • the sanitary linen is preferably also one in which the multicomponent filaments have a cross section with an orange or also have a multi-segment structure called "pie", the segments alternately each containing one of the two incompatible polymers.
  • the multicomponent continuous filaments have a cross section with an orange or also have a multi-segment structure called "pie"
  • the segments alternately each containing one of the two incompatible polymers.
  • there is also a "side-by-side" (s / s) segment arrangement of the incompatible polymers in the multi-component continuous filament which is preferably used to produce crimped filaments.
  • Such arrangements of the incompatible polymers in the multicomponent filament have proven to be very easy to split.
  • the “pie” segment arrangement in the multi-component continuous filaments and the micro continuous filaments split therefrom favor the ability of the sanitary laundry according to the invention to absorb moisture.
  • the sanitary laundry is preferably also one in which at least one of the incompatible polymers forming the multi-component continuous filament contains an additive, such as color pigments, permanently acting antistatic agents and / or additives which influence the hydrophilic or hydrophobic properties in amounts of up to 10% by weight.
  • an additive such as color pigments, permanently acting antistatic agents and / or additives which influence the hydrophilic or hydrophobic properties in amounts of up to 10% by weight.
  • the sanitary linen which is made of spun-dyed filaments, has a very good fastness to washing.
  • the additives can reduce or avoid static charges and improve the moisture transport properties. This also improves washability, i.e. the consumption of detergents is reduced and the drying time is reduced.
  • the process according to the invention for producing a sanitary wash consists in spinning, stretching and immediately depositing multi-component continuous filaments from the melt, depositing them immediately into a nonwoven fabric, optionally pre-consolidating them, and solidifying the nonwoven fabric by high-pressure fluid jets, like simultaneously in micro continuous filaments with a titer of 0 , 1 to 0.8 dtex is preferably split with a titer of 0.1 to 0.3 dtex.
  • the sanitary linen thus obtained is very uniform in terms of its thickness, it shows an isotropic thread distribution, has no tendency to delaminate and is characterized by high modulus values.
  • the process for producing the sanitary laundry is advantageously carried out in such a way that the solidification and splitting of the multicomponent continuous filaments takes place in that the optionally pre-consolidated nonwoven fabric is subjected to high-pressure water jets at least once on each side.
  • the sanitary laundry therefore has a good surface and a degree of splitting of the multi-component continuous filaments> 80%.
  • a method is particularly preferred in which the multicomponent continuous filaments are spin-dyed.
  • the integration of the dyes in the polymer fibers leads to excellent wash fastness.
  • the sanitary linen according to the invention is advantageously subjected to a point calendering to increase its abrasion resistance.
  • the split and solidified nonwoven is passed through heated rollers, of which at least one roller has elevations which lead to a selective fusing of the filaments with one another.
  • the sanitary linen produced according to the invention is particularly suitable as towels, bath towels and washcloths or dish towels as well as endless towels or sauna towels due to their care properties such as good washability and low drying time as well as their good moisture absorption capacity, the printability and the haptic design by means of roughing or sanding.
  • example 1
  • a filament pile with a basis weight of 154 g / m 2 is produced from a polyester-polyamide (PES-PA) bicomponent filament and subjected to water jet needling at pressures of up to 250 bar on both sides.
  • the bicomponent continuous filaments have a titer of ⁇ 0.2 dtex after the water jet needling, which leads to a simultaneous splitting of the starting filaments.
  • the nonwoven fabric obtained from super-micro continuous filaments has a water vapor transmission index i mt of 0.45, a short-term water vapor absorption capacity Fj of 0.8 and one

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Epidemiology (AREA)
  • General Health & Medical Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Nonwoven Fabrics (AREA)

Abstract

The invention relates to a sanitary fabric consisting of a microfibrous nonwoven with a substance weight of 60 to 300 g/m2. Said nonwoven consists of melt-spun, drawn multicomponent continuous filaments from which a nonwoven is formed immediately, with a titer of 1.5 to 5 dtex. At least 80 % of said multicomponent continuous filaments are split into micro-continuous filaments with a titer of 0.1 to 0.8 and set, optionally after presetting.

Description

Sanitärwäsche sanitary laundry
Beschreibungdescription
Die Erfindung betrifft eine Sanitärwäsche, bestehend aus einem Mikrofilament- Vliesstoff mit Flächengewichten von 60 bis 300 g/m2.The invention relates to a sanitary wash consisting of a microfilament nonwoven fabric with weights per unit area of 60 to 300 g / m 2 .
Dokument EP-A 0 624 676 offenbart Vliesstoffe aus ultrafeinen Fasern und Verfahren zu deren Herstellung aus Bikomponenten-Fasern. Die Ausgangspolymere der Bikomponenten-Fasern sollen dabei einen Schmelzpunkt-Unterschied von 30 bis 180°C aufweisen und werden als Mehrsegmentfasern ersponnen. Die zu einem Faserflor abgelegten Bikomponenten-Fasern werden einer Punktkalandrierung unterzogen, bei der nur die Faserkomponente mit dem niedrigeren Schmelzpunkt aufgeschmolzen und verfestigt wird. In einem nachfolgenden Schritt wird der aus den Mehrsegmentfasern gebildete Vliesstoff durch mechanische Einwirkung auf die Fasern zumindest zu 70 % in die ultrafeinen Teilsegmentfasern gesplittet. Die so erhaltenen Vliesstoffe erreichen Zugfestigkeitswerte in Längs- und Querrichtung bis maximal 260 N/5 cm und können als Bettwäsche, Absorbent für Sanitärprodukte, wie Taschentücher, Windeln, Wattierungen für Schlafsäcke, Kunstleder, Thermoisolationsmaterialien und anderes verwendet werden.Document EP-A 0 624 676 discloses nonwoven fabrics made of ultrafine fibers and processes for their production from bicomponent fibers. The starting polymers of the bicomponent fibers should have a melting point difference of 30 to 180 ° C and are spun as multi-segment fibers. The bicomponent fibers laid down to form a pile of fibers are subjected to a point calendering in which only the fiber component with the lower melting point is melted and solidified. In a subsequent step, at least 70% of the nonwoven fabric formed from the multi-segment fibers is split into the ultrafine sub-segment fibers by mechanical action on the fibers. The nonwovens obtained in this way achieve tensile strength values in the longitudinal and transverse directions of up to a maximum of 260 N / 5 cm and can be used as bed linen, absorbent for sanitary products such as handkerchiefs, diapers, padding for sleeping bags, synthetic leather, thermal insulation materials and others.
Die Erfindung hat sich die Aufgabe gestellt, preiswerte Sanitärwäsche sowie ein Verfahren zu deren Herstellung anzugeben. Erfindungsgemäß wird die Aufgabe durch eine Sanitärwäsche gelöst, welche aus einem Mikrofilament-Vliesstoff mit Flächengewichten von 60 bis 300 g/m2 besteht, wobei der Vliesstoff aus schmelzgesponnenen, verstreckten und unmittelbar zu einem Vlies abgelegten Mehrkomponenten-Endlosfilamenten mit einem Titer 1 ,5 bis 5 dtex besteht und die Mehrkomponenten-Endlosfilamente gegebenenfalls nach einer Vorverfestigung zumindest zu 80 % zu Mikro- Endlosfilamenten mit einem Titer 0,1 bis 0,8 dtex gesplittet und verfestigt sind. Bei der erfindungsgemäßen Sanitärwäsche ist aufgrund der Endlosfilamente kein Säumen erforderlich und es tritt kein Ausfasern oder Ausfransen ein.The object of the invention is to provide inexpensive sanitary linen and a method for their production. According to the invention, the object is achieved by a sanitary wash, which consists of a microfilament nonwoven fabric with grammages of 60 to 300 g / m 2 , the nonwoven fabric being melt-spun, stretched and immediately deposited into a nonwoven multicomponent continuous filament with a titer of 1.5 to 5 dtex exists and the multicomponent continuous filaments are optionally split and consolidated at least 80% into micro continuous filaments with a titer of 0.1 to 0.8 dtex after pre-consolidation. In the sanitary laundry according to the invention, no hemming is necessary due to the endless filaments and there is no fraying or fraying.
Vorzugsweise ist die Sanitärwäsche weiterhin eine, bei der der Vliesstoff aus schmelzgesponnenen, aerodynamisch verstreckten und unmittelbar zu einem Vlies abgelegten Mehrkomponenten-Endlosfilamenten mit einem Titer 1 ,5 bis 3 dtex besteht und die Mehrkomponenten-Endlosfilamente zumindest zu 80 % zu Mikro-Endlosfilamenten mit einem Titer von 0,1 bis 0,3 dtex gesplittet und verfestigt sind. Die Sanitärwäsche weist eine isotrope Filamentverteilung im Vlies auf. Daher ist eine Berücksichtigung der Maschinenlaufrichtung beim Zuschnitt der Sanitärwäsche nicht erforderlich.The sanitary laundry is preferably also one in which the nonwoven fabric consists of melt-spun, aerodynamically stretched and immediately deposited multi-component continuous filaments with a titer of 1.5 to 3 dtex and the multi-component continuous filaments are at least 80% micro-continuous filaments with a Titers of 0.1 to 0.3 dtex are split and solidified. The sanitary linen has an isotropic filament distribution in the fleece. It is therefore not necessary to take the machine direction into account when cutting the sanitary linen.
Vorzugsweise ist die Sanitärwäsche weiterhin eine, bei der das Mehrkomponenten-Endlosfilament ein Bikomponenten-Endlosfilament aus zwei inkompatiblen Polymeren, insbesondere einem Polyester und einem Polyamid, besteht. Ein solches Bikomponenten-Endlosfilament weist eine gute Spaltbarkeit in Mikro-Endlosfilamenten auf und bewirkt ein günstiges Verhältnis von Festigkeit zu Flächengewicht auf. Gleichzeitig ist die erfindungsgemäße Sanitärwäsche aufgrund der verwendeten Polymere und deren Filamentstruktur knitterarm, gut waschbar und schnell trocknend, d.h., pflegeleicht.The sanitary laundry is preferably also one in which the multi-component continuous filament is a bicomponent continuous filament made of two incompatible polymers, in particular a polyester and a polyamide. Such a bicomponent filament has good cleavability in micro filaments and has a favorable ratio of strength to basis weight. At the same time, due to the polymers used and their filament structure, the sanitary linen according to the invention is wrinkle-free, easy to wash and quick-drying, i.e. easy to care for.
Vorzugsweise ist die Sanitärwäsche weiterhin eine, bei der die Mehrkomponenten-Endlosfilamente einen Querschnitt mit orangenartiger oder auch „Pie" genannten Multisegment-Struktur aufweisen, wobei die Segmente alternierend jeweils eines der beiden inkompatiblen Polymeren enthalten. Neben dieser orangenartigen Multisegment-Struktur der Mehrkomponenten- Endlosfilamente ist auch eine „side-by-side" (s/s) Segment-Anordnung der inkompatiblen Polymeren im Mehrkomponenten-Endlosfilament möglich, die vorzugsweise zur Erzeugung gekräuselter Filamente genutzt wird. Solche Anordnungen der inkompatiblen Polymeren im Mehrkomponenten- Endlosfilament haben sich als sehr gut spaltbar erwiesen. Die „Pie" Segment- Anordnung in den Mehrkomponenten-Endlosfilamenten und die daraus gesplitteten Mikro-Endlosfilamente begünstigen die Feuchtigkeitsaufnahme- Fähigkeit der erfindungsgemäßen Sanitärwäsche.The sanitary linen is preferably also one in which the multicomponent filaments have a cross section with an orange or also have a multi-segment structure called "pie", the segments alternately each containing one of the two incompatible polymers. In addition to this orange-like multi-segment structure of the multi-component continuous filaments, there is also a "side-by-side" (s / s) segment arrangement of the incompatible polymers in the multi-component continuous filament, which is preferably used to produce crimped filaments. Such arrangements of the incompatible polymers in the multicomponent filament have proven to be very easy to split. The “pie” segment arrangement in the multi-component continuous filaments and the micro continuous filaments split therefrom favor the ability of the sanitary laundry according to the invention to absorb moisture.
Vorzugsweise ist die Sanitärwäsche weiterhin eine, bei der mindestens eines der das Mehrkomponenten-Endlosfilament bildenden inkompatiblen Polymere ein Additiv, wie Farbpigmente, permanent wirkende Antistatika und/oder die hydrophilen oder hydrophoben Eigenschaften beeinflussende Zusätze in Mengen bis zu 10 Gewichtsprozent, enthält. Das aus spinngefärbten Filamenten bestehende Sanitärwäsche weist eine sehr gute Waschechtheit auf. Weiterhin können durch die Zusätze statische Aufladungen vermindert bzw. vermieden und die Feuchtigkeits-Transporteigenschaften verbessert werden. Dadurch wird außerdem die Waschbarkeit verbessert, d.h., der Verbrauch an Waschmitteln gesenkt und die Trockenzeit verringert.The sanitary laundry is preferably also one in which at least one of the incompatible polymers forming the multi-component continuous filament contains an additive, such as color pigments, permanently acting antistatic agents and / or additives which influence the hydrophilic or hydrophobic properties in amounts of up to 10% by weight. The sanitary linen, which is made of spun-dyed filaments, has a very good fastness to washing. Furthermore, the additives can reduce or avoid static charges and improve the moisture transport properties. This also improves washability, i.e. the consumption of detergents is reduced and the drying time is reduced.
Das erfindungsgemäße Verfahren zur Herstellung einer Sanitärwäsche besteht darin, daß Mehrkomponenten-Endlosfilamente aus der Schmelze ersponnen, verstreckt und unmittelbar zu einem Vlies abgelegt werden, gegebenenfalls eine Vorverfestigung erfolgt und der Vliesstoff durch Hochdruck-Fiuidstrahlen verfestigt wie gleichzeitig in Mikro-Endlosfilamente mit einem Titer 0,1 bis 0,8 dtex vorzugsweise mit einem Titer von 0,1 bis 0,3 dtex gesplittet wird. Die so erhaltene Sanitärwäsche ist sehr gleichmäßig hinsichtlich ihrer Dicke, sie weist eine isotrope Fadenverteilung auf, besitzt keine Neigung zum Delaminieren und ist durch hohe Modulwerte ausgezeichnet.The process according to the invention for producing a sanitary wash consists in spinning, stretching and immediately depositing multi-component continuous filaments from the melt, depositing them immediately into a nonwoven fabric, optionally pre-consolidating them, and solidifying the nonwoven fabric by high-pressure fluid jets, like simultaneously in micro continuous filaments with a titer of 0 , 1 to 0.8 dtex is preferably split with a titer of 0.1 to 0.3 dtex. The sanitary linen thus obtained is very uniform in terms of its thickness, it shows an isotropic thread distribution, has no tendency to delaminate and is characterized by high modulus values.
Vorteilhafterweise wird das Verfahren zur Herstellung der Sanitärwäsche in der Weise durchgeführt, daß die Verfestigung und Splittung der Mehrkomponenten- Endlosfilamente dadurch erfolgt, daß der gegebenenfalls vorverfestigte Vliesstoff mindestens einmal auf jeder Seite mit Hochdruck-Wasserstrahlen beaufschlagt wird. Die Sanitärwäsche weist dadurch eine gute Oberfläche und einen Splittungsgrad der Mehrkomponenten-Endlosfilamente > 80 % auf.The process for producing the sanitary laundry is advantageously carried out in such a way that the solidification and splitting of the multicomponent continuous filaments takes place in that the optionally pre-consolidated nonwoven fabric is subjected to high-pressure water jets at least once on each side. The sanitary laundry therefore has a good surface and a degree of splitting of the multi-component continuous filaments> 80%.
Besonders bevorzugt ist ein Verfahren, bei dem die Mehrkomponenten- Endlosfilamente spinngefärbt werden. Die Einbindung des Farbstoffe in die Polymerfasern führt zu hervorragenden Waschechtheiten.A method is particularly preferred in which the multicomponent continuous filaments are spin-dyed. The integration of the dyes in the polymer fibers leads to excellent wash fastness.
Vorteilhafterweise wird die erfindungsgemäße Sanitärwäsche zur Erhöhung ihrer Abriebbeständigkeit noch einer Punktkalandierung unterzogen. Dazu wird der gesplittete und verfestigte Vliesstoff durch beheizte Walzen geführt, von denen mindestens eine Walze Erhebungen aufweist, die zu einem punktuellen Verschmelzen der Filamente untereinander führen.The sanitary linen according to the invention is advantageously subjected to a point calendering to increase its abrasion resistance. For this purpose, the split and solidified nonwoven is passed through heated rollers, of which at least one roller has elevations which lead to a selective fusing of the filaments with one another.
Die erfindungsgemäß hergestellte Sanitärwäsche ist aufgrund ihrer Pflegeeigenschaften wie guter Waschbarkeit und geringer Trockenzeit sowie ihrer guten Feuchtigkeitsaufnahmefähigkeit, der Bedruckbarkeit und der haptischen Gestaltung durch Rauen oder Schmirgeln insbesondere als Handtücher, Badetücher und Waschlappen oder Geschirrtücher sowie als Endloshandtücher oder Saunabadetücher geeignet. Beispiel 1The sanitary linen produced according to the invention is particularly suitable as towels, bath towels and washcloths or dish towels as well as endless towels or sauna towels due to their care properties such as good washability and low drying time as well as their good moisture absorption capacity, the printability and the haptic design by means of roughing or sanding. example 1
Aus einem Polyester-Polyamid (PES-PA)-Bikomponenten-Endlosfilament wird ein Filamentflor mit einem Flächengewicht von 154 g/m2 erzeugt und einer Wasserstrahlvernadelung mit Drücken bis 250 bar beidseitig unterzogen. Die Bikomponenten-Endlosfilamente weisen nach der Wasserstrahlvernadelung, die zu einer gleichzeitigen Splittung der Ausgangsfilamente führt, einen Titer < 0,2 dtex auf. Der erhaltene Vliesstoff aus Supermikro-Endlosfilamenten weist einen Wasserdampfdurchgangsindex imt von 0,45, eine Kurzzeit- Wasserdampfaufnahmefähigkeit Fj von 0,8 und einenA filament pile with a basis weight of 154 g / m 2 is produced from a polyester-polyamide (PES-PA) bicomponent filament and subjected to water jet needling at pressures of up to 250 bar on both sides. The bicomponent continuous filaments have a titer of <0.2 dtex after the water jet needling, which leads to a simultaneous splitting of the starting filaments. The nonwoven fabric obtained from super-micro continuous filaments has a water vapor transmission index i mt of 0.45, a short-term water vapor absorption capacity Fj of 0.8 and one
Wasserdampfdurchgangswiderstand Ret von 3,49 m2Pa/W auf. Water vapor resistance R et of 3.49 m 2 Pa / W on.

Claims

Patentansprüche claims
1. Sanitärwäsche bestehend aus einem Mikrofaser-Vliesstoff mit Flächengewichten von 60 bis 300 g/m2, wobei der Vliesstoff aus schmelzgesponnenen, verstreckten und unmittelbar zu einem Vlies abgelegten Mehrkomponenten-Endlosfilamenten mit einem Titer 1 ,5 bis 5 dtex besteht und die Mehrkomponenten-Endlosfilamente gegebenenfalls nach einer Vorverfestigung zumindest zu 80 % zu Mikro- Endlosfilamenten mit einem Titer 0,1 bis 0,8 dtex gesplittet und verfestigt sind.1. Sanitary laundry consisting of a microfiber nonwoven with grammages of 60 to 300 g / m 2 , the nonwoven consisting of melt-spun, stretched and immediately deposited into a nonwoven multicomponent filaments with a titer of 1.5 to 5 dtex and the multicomponent Continuous filaments are optionally split and solidified at least 80% into micro continuous filaments with a titer of 0.1 to 0.8 dtex after pre-consolidation.
2. Sanitärwäsche nach Anspruch 1 , dadurch gekennzeichnet, daß der Vliesstoff aus schmelzgesponnenen, aerodynamisch verstreckten und unmittelbar zu einem Vlies abgelegten Mehrkomponenten- Endlosfilamenten mit einem Titer von 1 ,5 bis 3 dtex besteht und die2. Sanitary linen according to claim 1, characterized in that the nonwoven fabric consists of melt-spun, aerodynamically stretched and immediately deposited into a nonwoven multi-component filaments with a titer of 1, 5 to 3 dtex and the
Mehrkomponenten-Endlosfilamente gegebenenfalls nach einer Vorverfestigung zumindest zu 80 % zu Mikro-Endlosfilamenten mit einem Titer von 0,1 bis 0,3 dtex gesplittet und verfestigt sind.Multicomponent continuous filaments are optionally split and consolidated at least 80% into micro continuous filaments with a titer of 0.1 to 0.3 dtex after pre-consolidation.
3. Sanitärwäsche nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß das Mehrkomponenten-Endlosfilament ein Bikomponenten-3. Sanitary linen according to claim 1 or 2, characterized in that the multi-component continuous filament is a bicomponent
Endlosfilament aus zwei inkompatiblen Polymeren, insbesondere einem Polyester und einem Polyamid, besteht.Continuous filament consists of two incompatible polymers, especially a polyester and a polyamide.
4. Sanitärwäsche nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß die Mehrkomponenten-Endlosfilamente einen Querschnitt mit orangenartiger Multisegment-Struktur aufweisen, wobei die Segmente alternierend jeweils eines der beiden inkompatiblen Polymeren enthalten und/oder eine „side-by-side"-Struktur besitzen. 4. Sanitary laundry according to one of claims 1 to 3, characterized in that the multi-component continuous filaments have a cross section with an orange-like multi-segment structure, the segments alternately each containing one of the two incompatible polymers and / or a "side-by-side" Own structure.
5. Sanitärwäsche nach Anspruch 4, dadurch gekennzeichnet, daß die beiden Seiten der Sanitärwäsche eine unterschiedliche Segment-Struktur besitzen.5. Sanitary linen according to claim 4, characterized in that the two sides of the sanitary linen have a different segment structure.
6. Sanitärwäsche nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß mindestens eines der das Mehrkomponenten- Endlosfilament bildenden inkompatiblen Polymere ein Additiv, wie Farbpigmente, permanent wirkende Antistatika und/oder die hydrophilen oder hydrophoben Eigenschaften beeinflussenden Zusätzen in Mengen bis zu 10 Gewichtsprozent, enthält.6. Sanitary laundry according to one of claims 1 to 5, characterized in that at least one of the multicomponent continuous filament-forming incompatible polymers is an additive, such as color pigments, permanently acting antistatic agents and / or additives which influence the hydrophilic or hydrophobic properties in amounts of up to 10% by weight , contains.
7. Verfahren zur Herstellung einer Sanitärwäsche nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß Mehrkomponenten- Endlosfilamente aus der Schmelze ersponnen, verstreckt und unmittelbar zu einem Vlies abgelegt werden, gegebenenfalls eine Vorverfestigung erfolgt und der Vliesstoff durch Hochdruck-Fluidstrahlen verfestigt sowie gleichzeitig in Mikro-Endlosfilamente mit einem Titer von 0,1 bis 0,8 dtex gesplittet wird.7. A method for producing a sanitary wash according to one of claims 1 to 6, characterized in that multicomponent continuous filaments are spun from the melt, drawn and immediately deposited to form a nonwoven, optionally pre-consolidation is carried out and the nonwoven is consolidated by high-pressure fluid jets and simultaneously is split into continuous micro filaments with a titer of 0.1 to 0.8 dtex.
8. Verfahren nach Anspruch 7, dadurch gekennzeichnet, daß die Verfestigung und Splittung der Mehrkomponenten-Endlosfilamente dadurch erfolgt, daß der Vliesstoff mindestens einmal von jeder Seiten mit Hochdruck-Fluidstrahlen beaufschlagt wird.8. The method according to claim 7, characterized in that the solidification and splitting of the multi-component continuous filaments takes place in that the nonwoven fabric is acted on at least once by high pressure fluid jets from each side.
9. Verfahren nach Anspruch 7 oder 8, dadurch gekennzeichnet, daß die Färbung der Mehrkomponenten-Endlosfilamente durch Spinnfärben vorgenommen wird.9. The method according to claim 7 or 8, characterized in that the dyeing of the multi-component continuous filaments is carried out by spin dyeing.
10. Verfahren nach einem der Ansprüche 7 bis 9, dadurch gekennzeichnet, daß zwei Spinnbalken eingesetzt werden, von denen einer Mehrkomponenten-Endlosfilamente mit einer „Pie"-Segmentstruktur und der andere mit einer „side-by-side"-Segmentstruktur erzeugt.10. The method according to any one of claims 7 to 9, characterized in that two spinning beams are used, one of which Multi-component continuous filaments with a "pie" segment structure and the other with a "side-by-side" segment structure.
11. Verfahren nach einem der Ansprüche 7 bis 10, dadurch gekennzeichnet, daß der Vliesstoff punktkalandriert wird.11. The method according to any one of claims 7 to 10, characterized in that the nonwoven fabric is point calendered.
12. Sanitärwäsche nach einem der Ansprüche 1 bis 10, dadurch gekennzeichnet, daß sie als Waschlappen oder Geschirrtücher verwendet wird.12. Sanitary linen according to one of claims 1 to 10, characterized in that it is used as a washcloth or tea towels.
13. Sanitärwäsche nach einem der Ansprüche 1 bis 10, dadurch gekennzeichnet, daß sie als Handtücher, insbesondere Endloshandtücher, Saunatücher oder Badetücher verwendet wird. 13. Sanitary linen according to one of claims 1 to 10, characterized in that it is used as towels, in particular continuous towels, sauna towels or bath towels.
PCT/EP2000/010694 1999-12-23 2000-10-31 Sanitary fabric WO2001048292A1 (en)

Priority Applications (1)

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AU19976/01A AU1997601A (en) 1999-12-23 2000-10-31 Sanitary fabric

Applications Claiming Priority (2)

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DE1999162356 DE19962356A1 (en) 1999-12-23 1999-12-23 Sanitary linen
DE19962356.2 1999-12-23

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CN110499585A (en) * 2019-09-01 2019-11-26 山东双利华新材料股份有限公司 Blue non-woven cloth and preparation method thereof for filtering material

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EP1118305A2 (en) * 2000-01-22 2001-07-25 Firma Carl Freudenberg Cleaning sheet
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CN110499585A (en) * 2019-09-01 2019-11-26 山东双利华新材料股份有限公司 Blue non-woven cloth and preparation method thereof for filtering material

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AU1997601A (en) 2001-07-09

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