EP2103724B1 - Chiffon doté d'un tissu non tissé antibactérien - Google Patents

Chiffon doté d'un tissu non tissé antibactérien Download PDF

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Publication number
EP2103724B1
EP2103724B1 EP08005131A EP08005131A EP2103724B1 EP 2103724 B1 EP2103724 B1 EP 2103724B1 EP 08005131 A EP08005131 A EP 08005131A EP 08005131 A EP08005131 A EP 08005131A EP 2103724 B1 EP2103724 B1 EP 2103724B1
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EP
European Patent Office
Prior art keywords
dopant
component
use according
fiber
bicomponent
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
EP08005131A
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German (de)
English (en)
Other versions
EP2103724A1 (fr
Inventor
Andreas Eisenhut
Robert Groten
Judith Haller
Thomas Schindler
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Carl Freudenberg KG
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 AT08005131T priority Critical patent/ATE512243T1/de
Priority to ES08005131T priority patent/ES2365270T3/es
Priority to EP08005131A priority patent/EP2103724B1/fr
Priority to PCT/EP2009/001721 priority patent/WO2009115217A1/fr
Publication of EP2103724A1 publication Critical patent/EP2103724A1/fr
Application granted granted Critical
Publication of EP2103724B1 publication Critical patent/EP2103724B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • D04H3/005—Synthetic yarns or filaments
    • D04H3/009—Condensation or reaction polymers
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L13/00—Implements for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L13/10—Scrubbing; Scouring; Cleaning; Polishing
    • A47L13/16—Cloths; Pads; Sponges
    • A47L13/17—Cloths; Pads; Sponges containing cleaning agents
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F1/00—General methods for the manufacture of artificial filaments or the like
    • D01F1/02—Addition of substances to the spinning solution or to the melt
    • D01F1/10—Other agents for modifying properties
    • D01F1/103—Agents inhibiting growth of microorganisms
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
    • D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
    • D01F8/14—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one polyester as constituent
    • 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
    • D04H3/007—Addition 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
    • D04H3/016—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the fineness
    • 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
    • D04H3/147—Composite yarns or filaments

Definitions

  • the invention relates to a use according to the preamble of patent claim 1.
  • Nonwovens with antimicrobial finish are from the US 2004/0214485 A1 and the WO 2007/078203 A1 known.
  • nonwovens which have an antimicrobial dopant.
  • an antimicrobial substance acts antibacterial, antiviral, antifungal and / or against spores.
  • silver in particular has proven to be a suitable antimicrobial agent.
  • silver is also determined by means of binders on textile materials. By washing processes, however, the applied silver is peeled off and can penetrate into water treatment plants. This is a very detrimental effect associated with high economic damage.
  • the invention is therefore based on the object to provide a wipe, which is characterized by a long-term effective reactivity of the antimicrobial dopant and at the same time is multi-cost washable.
  • a nonwoven fabric which has continuous fibers has a good quality even after several washing processes. This is due to the fact that Endlosfasem are entangled at a variety of locations with each other and therefore difficult to detach from the nonwoven composite.
  • the use of bicomponent fibers with a fibrous body in which at least one dopant is included for antimicrobial finishing allows the nonwoven to be consolidated. It is concretely conceivable to solidify the nonwoven fabric by a water jet needling process. The bicomponent fibers can be partially or completely split up into very fine elementary fibers. It is also conceivable to solidify the nonwoven fabric by a thermal treatment.
  • the antimicrobial dopant into the fiber body ensures extremely long term delivery of the dopant.
  • the antimicrobial effect is limited to the wipe by largely preventing germ growth in the wipe itself.
  • the antimicrobial active substance is not released to a considerable extent on surfaces which are treated with the wipe.
  • the dopant is incorporated directly into the fiber body, which creates an antimicrobial effect, especially on the surface of the endless fibers. The release of the dopant takes place only in very small amounts, it remains largely bound in the nonwoven fabric or in the fiber body.
  • a washable, permanently antimicrobially-doped wipe for example, does not allow any bacterial decomposition in milk-contaminated state, so that almost no odor pollution in the household can arise.
  • Very particularly advantageous is the use in commercial cleaning, since wipers are washed and dried here daily. If the wipes according to the invention equipped antimicrobial, it can be dispensed with a subsequent drying of the wipes. Experiments have shown that with each wash an energy saving of more than 3 kWh / kg wipe can be realized.
  • the bicomponent fibers are at least partially split into endless elementary fibers.
  • a nonwoven fabric with very fine elementary fibers can be created.
  • the splitting can take place, for example, by means of a water-jet needling method, wherein the elementary fibers are additionally entwined with each other. This allows the Nonwoven fabric are solidified.
  • the elementary fibers provide a larger surface area than the unsplit bicomponent fibers with a constant basis weight of the nonwoven fabric. Through the surface, the dopant can interact to the outside,
  • the bicomponent fiber is designed as a PIE fiber.
  • a relatively coarse bicomponent fiber can be split into very fine Etementarmaschinen with cake piece-like or circular segment-like cross-sections.
  • Etementarmaschinen cake piece-like or circular segment-like cross-sections.
  • the nonwoven fabric has a color. Surprisingly, it has been found that an antimicrobially finished nonwoven fabric can be dyed and yet retains its antimicrobial effect
  • the elementary fibers can be designed particularly advantageously as microfilaments of a fineness of 0.05 to 1 dtex. Microfilaments of such fineness provide a particularly large contact surface for bacteria and spores.
  • the dopant could be homogeneously distributed only in one component of the fiber body.
  • side-by-side bicomponent endless fibers are also used. It is also conceivable to use Iceland-in-the-Sea bicomponent fiber end-products.
  • the dopant could be present in a concentration of at least 200 ppm in the nonwoven fabric. Surprisingly, it has been found that even such a low concentration of the dopant can develop an antimicrobial action against viruses, spores or bacteria.
  • the dopant could be present in a concentration of at most 500 ppm in the nonwoven fabric.
  • the choice of this concentration has been found to be advantageous to give a dyed nonwoven durable reactivity.
  • the doping is shielded by the coloring, it can still exert its effect to a sufficient extent by the said concentration.
  • the bicomponent fiber could be a component of polyamide or polyethylene and a component of polyethylene terephthalate or polyester
  • the bicomponent fiber could comprise 30% polyamide or polymethylene.
  • the proportion of polyethylene terephthalate or polyester is essentially 70%.
  • the dopant could be homogeneously distributed in the component of the fiber body comprising polyethylene terephthalate or polyester.
  • Polyethylene terephthalate and polyesters have proven to be particularly suitable media for receiving the dopant. Due to the higher mass fraction of the component comprising polyethylene terephthalate or polyester, a more effective volume distribution of the dopant in the nonwoven fabric can be achieved.
  • the dopant could be configured as an element of a subgroup, in particular subgroup 1b of the Periodic Table of the Elements.
  • Subgroup elements are characterized by antimicrobial activity. Against this background, it is conceivable that several subgroup elements are present together in the fiber body in order to selectively counteract different bacterial species. It has been shown in test series that there is a ranking of the substances used in terms of antimicrobial effectiveness. This can be represented as follows. Silver is the most effective substance, followed by mercury, copper, cadmium, chromium, blel, cobalt, gold, Zinc, iron and finally manganese. The same applies to salts and complexes of the named elements or substances.
  • the dopant could be designed against this background as silver, gold or copper. These elements show a particularly reliable antimicrobial effect and are readily available commercially as fine particles.
  • the nonwoven fabric could have a basis weight of at least 20 g / m 2 . This basis weight has proved to be particularly advantageous for producing wipes.
  • the nonwoven fabric described here can easily be in contact with human skin.
  • the nonwoven fabric described herein has such a low concentration of a dopant that the human skin is not irritated.
  • eczema patients require a gentle nonwoven fabric, as described here.
  • the continuous fibers also show a sufficient concentration of the dopant on the filament surface in order to kill bacteria, viruses and spores.
  • Fig. 1 a nonwoven fabric with bicomponent fibers, which are designed as continuous fibers.
  • the bicomponent fibers are configured as PIE fibers and consist of 30% polyamide 6 and about 70% Polyethytentereptaht.
  • the polyethylene terephthalate is enriched with the dopant silver.
  • the dopant silver is homogeneously distributed in the component of the fiber body having polyethylene terephthalate.
  • the silver is present in a concentration of at least 200 ppm and at most 500 ppm.
  • Fig. 2 shows the bicomponent fibers according to Fig. 1 which have eight segments of polyethylene terephthalate.
  • the segments have the dopant Silver on.
  • the silver can be recognized in the form of bright spots in the scanning electron micrograph.
  • the table shows the three embodiments 1 to 3 of the nonwoven fabric according to the invention.
  • Embodiments 1 to 3 show different concentrations of the dopant in the polyethylene terephthalate component.
  • the production of nonwovens was carried out in accordance with the in DE 697 25 051 T2 described method and analogous to the preparation of the comparative sample EVOLON 130 g / m 2 or EVO 130th
  • the polyethylene terephthalate component was prepared in each of Embodiments 1 to 3 in the following manner.
  • Embodiment 1 970 g of polyethylene terephthalate were mixed with 30 g of a master batch component to obtain a 3% concentration of master batch as shown in the table.
  • the masterbatch component contained 99% polyethylene terephthalate and 1% silver.
  • two 960 grams of polyethylene terephthalate were mixed with 40 grams of the master batch component.
  • 950 g of polyethylene terephthalate were mixed with 50 g of said master batch component.
  • the dopant used was silver from Silanotex GmbH, 80687 Kunststoff.
  • the master batch was "Nano-Silver-Master-Batch" of the named company in the mentioned quantities.
  • the nonwoven fabrics of Working Examples 1 to 3 were evaluated for their tear propagation resistance, tear resistance, extensibility, uniformity, permeability, thickness, basis weight and shrinkage.
  • N stands for Newton
  • MD machine direction (production direction)
  • CD cross direction. Denote MD and CD while orthogonal to each other load directions, namely in the direction of production and orthogonal thereto.
  • the comparative sample used was a nonwoven fabric of the type Evolon with a basis weight of 130 g / m 2 .
  • the comparative example is made from bicomponent fibers comprising 70% polyethylene terephthalate and 30% polyamide 6.
  • the polyamide used in the embodiments 1 to 3 is also polyamide 6.
  • the table essentially states that the doping of embodiments 1 to 3 with silver has no negative effects on the mechanical properties of the exemplary embodiments in comparison with the comparative sample.
  • the exemplary embodiments were manufactured analogously to the comparative sample except for the doping, which is commercially available under the product designation "EVOLON 130 g / m 2 " or "EVO 130".
  • table 1 2 3 comparison sample 130g / m 2 130g / m 2 130g / m 2 EVO 130g / m 2 standard % Master Batch PET 3%; 4% 5% - Width (mm 2050 2050 2050 2050 Belt speed (m / min) 11.3 11.3 11.3 11.3 11.3 Basis weight (g / m 2 ) 125 126 127 129 Tear strength before washing (N) MD 9.4 10.6 9.8 9.6 CD 9.6 9.4 9.7 9.4 Tear resistance before washing (N) MD 349 360 368 393 CD 400 404 394 415 Extensibility before washing (%) MD 42 41 45 43 CD 48 45 49 48 Thickness (mm) 0.46 0.47 0.47 12:46 Unity CV -% 6.1 5.9 6.4 5.8 Permeability before washing in Vm 2 / s at 100 bar 45 44 47 45 Tear resistance after

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Nonwoven Fabrics (AREA)
  • Woven Fabrics (AREA)

Claims (11)

  1. Utilisation d'un non-tissé dans un chiffon ou pour la fabrication d'un chiffon, le non-tissé comprenant des fibres bicomposantes contenant un corps de fibre qui contient au moins un dopant pour le traitement antimicrobien, les fibres bicomposantes étant conçues sous la forme de fibres continues, les fibres bicomposantes étant fractionnables en fibres élémentaires, une fibre bicomposante étant conçue sous la forme d'une fibre PIE et le non-tissé étant caractérisé par une coloration, caractérisée en ce que le non-tissé est coloré de manière à ce que le dopant soit masqué par la coloration.
  2. Utilisation selon la revendication 1, caractérisée en ce que les fibres élémentaires présentent une finesse de 0,05 à 1 dtex.
  3. Utilisation selon la revendication 1 ou 2, caractérisée en ce que le dopant n'est réparti de manière homogène que dans un composant du corps de fibre.
  4. Utilisation selon l'une quelconque des revendications 1 à 3, caractérisée en ce que le dopant est présent en une concentration d'au moins 200 ppm.
  5. Utilisation selon l'une quelconque des revendications 1 à 4, caractérisée en ce que le dopant est présent en une concentration d'au plus 500 ppm.
  6. Utilisation selon l'une quelconque des revendications 1 à 5, caractérisée en ce que la fibre bicomposante comprend un composant de polyamide ou de polyéthylène et un composant de polyéthylène téréphtalate ou de polyester.
  7. Utilisation selon la revendication 6, caractérisée en ce que la fibre bicomposante comprend 30% de polyamide ou de polyéthylène.
  8. Utilisation selon la revendication 6 ou 7, caractérisée en ce que le dopant est réparti de manière homogène dans le composant du corps de fibre qui comprend du polyéthylène téréphtalate ou du polyester.
  9. Utilisation selon l'une quelconque des revendications 1 à 8, caractérisée en ce que le dopant est sous la forme d'un élément d'un groupe de transition, notamment du groupe de transition Ib.
  10. Utilisation selon la revendication 9, caractérisée en ce que le dopant est sous la forme d'argent, d'or ou de cuivre.
  11. Utilisation selon l'une quelconque des revendications 1 à 10, caractérisée par un poids superficiel d'au moins 20 g/m2.
EP08005131A 2008-03-19 2008-03-19 Chiffon doté d'un tissu non tissé antibactérien Active EP2103724B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
AT08005131T ATE512243T1 (de) 2008-03-19 2008-03-19 Wischtuch mit einem antibakteriell ausgerüsteten vliesstoff
ES08005131T ES2365270T3 (es) 2008-03-19 2008-03-19 Trapo de fregar con un material no tejido dotado de un apresto antibacteriano.
EP08005131A EP2103724B1 (fr) 2008-03-19 2008-03-19 Chiffon doté d'un tissu non tissé antibactérien
PCT/EP2009/001721 WO2009115217A1 (fr) 2008-03-19 2009-03-11 Matériau non tissé traité antibactérien, avec des fibres bicomposants

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP08005131A EP2103724B1 (fr) 2008-03-19 2008-03-19 Chiffon doté d'un tissu non tissé antibactérien

Publications (2)

Publication Number Publication Date
EP2103724A1 EP2103724A1 (fr) 2009-09-23
EP2103724B1 true EP2103724B1 (fr) 2011-06-08

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP08005131A Active EP2103724B1 (fr) 2008-03-19 2008-03-19 Chiffon doté d'un tissu non tissé antibactérien

Country Status (3)

Country Link
EP (1) EP2103724B1 (fr)
AT (1) ATE512243T1 (fr)
ES (1) ES2365270T3 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140018759A1 (en) * 2012-07-13 2014-01-16 The Procter & Gamble Company Stretchable laminates for absorbent articles and methods for making the same
CN106319754A (zh) * 2016-09-08 2017-01-11 河南工程学院 功能性复合抗菌羊毛絮片及其制备方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2749860B1 (fr) 1996-06-17 1998-08-28 Freudenberg Spunweb Sa Nappe non tissee formee de filaments continus tres fins
US6723428B1 (en) * 1999-05-27 2004-04-20 Foss Manufacturing Co., Inc. Anti-microbial fiber and fibrous products
WO2007078203A1 (fr) * 2006-01-03 2007-07-12 Norwex Holding As Microfibre antibacterienne et procede de production associe

Also Published As

Publication number Publication date
EP2103724A1 (fr) 2009-09-23
ATE512243T1 (de) 2011-06-15
ES2365270T3 (es) 2011-09-27

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