EP1359244A2 - Method for improving the softness and /or the drape of nonwoven fabrics - Google Patents
Method for improving the softness and /or the drape of nonwoven fabrics Download PDFInfo
- Publication number
- EP1359244A2 EP1359244A2 EP03002959A EP03002959A EP1359244A2 EP 1359244 A2 EP1359244 A2 EP 1359244A2 EP 03002959 A EP03002959 A EP 03002959A EP 03002959 A EP03002959 A EP 03002959A EP 1359244 A2 EP1359244 A2 EP 1359244A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- nonwoven fabric
- minutes
- treated
- treatment
- carried out
- 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.)
- Withdrawn
Links
- 239000004745 nonwoven fabric Substances 0.000 title claims description 54
- 238000000034 method Methods 0.000 title claims description 52
- 238000011282 treatment Methods 0.000 claims abstract description 27
- 238000004043 dyeing Methods 0.000 claims abstract description 11
- 239000000463 material Substances 0.000 claims abstract description 10
- 239000004753 textile Substances 0.000 claims abstract description 9
- 229920001059 synthetic polymer Polymers 0.000 claims abstract description 7
- 238000007669 thermal treatment Methods 0.000 claims abstract description 7
- 229920000728 polyester Polymers 0.000 claims description 14
- 238000004519 manufacturing process Methods 0.000 claims description 13
- 210000003632 microfilament Anatomy 0.000 claims description 12
- 239000004952 Polyamide Substances 0.000 claims description 11
- 229920002647 polyamide Polymers 0.000 claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 229920001410 Microfiber Polymers 0.000 claims description 9
- 239000003658 microfiber Substances 0.000 claims description 9
- 239000004744 fabric Substances 0.000 claims description 8
- 238000005406 washing Methods 0.000 claims description 7
- 229920002635 polyurethane Polymers 0.000 claims description 6
- 239000004814 polyurethane Substances 0.000 claims description 6
- 238000009981 jet dyeing Methods 0.000 claims description 4
- 238000009991 scouring Methods 0.000 abstract 1
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- -1 polyethylene terephthalate Polymers 0.000 description 6
- 229920002292 Nylon 6 Polymers 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 229920000139 polyethylene terephthalate Polymers 0.000 description 4
- 239000005020 polyethylene terephthalate Substances 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 238000004040 coloring Methods 0.000 description 3
- 239000000986 disperse dye Substances 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 239000000975 dye Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- AZUYLZMQTIKGSC-UHFFFAOYSA-N 1-[6-[4-(5-chloro-6-methyl-1H-indazol-4-yl)-5-methyl-3-(1-methylindazol-5-yl)pyrazol-1-yl]-2-azaspiro[3.3]heptan-2-yl]prop-2-en-1-one Chemical compound ClC=1C(=C2C=NNC2=CC=1C)C=1C(=NN(C=1C)C1CC2(CN(C2)C(C=C)=O)C1)C=1C=C2C=NN(C2=CC=1)C AZUYLZMQTIKGSC-UHFFFAOYSA-N 0.000 description 2
- 229920001634 Copolyester Polymers 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000001023 inorganic pigment Substances 0.000 description 2
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 description 2
- 239000012860 organic pigment Substances 0.000 description 2
- 230000002829 reductive effect Effects 0.000 description 2
- 238000010186 staining Methods 0.000 description 2
- 239000000988 sulfur dye Substances 0.000 description 2
- 239000000984 vat dye Substances 0.000 description 2
- HMUNWXXNJPVALC-UHFFFAOYSA-N 1-[4-[2-(2,3-dihydro-1H-inden-2-ylamino)pyrimidin-5-yl]piperazin-1-yl]-2-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethanone Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)N1CCN(CC1)C(CN1CC2=C(CC1)NN=N2)=O HMUNWXXNJPVALC-UHFFFAOYSA-N 0.000 description 1
- 229920000571 Nylon 11 Polymers 0.000 description 1
- 229920002302 Nylon 6,6 Polymers 0.000 description 1
- VMHLLURERBWHNL-UHFFFAOYSA-M Sodium acetate Chemical compound [Na+].CC([O-])=O VMHLLURERBWHNL-UHFFFAOYSA-M 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000004056 anthraquinones Chemical class 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 150000002009 diols Chemical class 0.000 description 1
- GRWZHXKQBITJKP-UHFFFAOYSA-L dithionite(2-) Chemical compound [O-]S(=O)S([O-])=O GRWZHXKQBITJKP-UHFFFAOYSA-L 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000004310 lactic acid Substances 0.000 description 1
- 235000014655 lactic acid Nutrition 0.000 description 1
- MTZWHHIREPJPTG-UHFFFAOYSA-N phorone Chemical compound CC(C)=CC(=O)C=C(C)C MTZWHHIREPJPTG-UHFFFAOYSA-N 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920000747 poly(lactic acid) Polymers 0.000 description 1
- 229920001707 polybutylene terephthalate Polymers 0.000 description 1
- 239000004626 polylactic acid Substances 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
- 239000001632 sodium acetate Substances 0.000 description 1
- 235000017281 sodium acetate Nutrition 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B3/00—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating
- D06B3/28—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating of fabrics propelled by, or with the aid of, jets of the treating material
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06C—FINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
- D06C19/00—Breaking or softening of fabrics
Definitions
- the present invention relates to a method for improving Softness and / or fall of nonwoven fabrics from unsplit and / or at least partially split microfibers and / or microfilaments synthetic Polymers containing at least one polyester component and at least a polyamide component and optionally at least one Polyurethane component, according to which the nonwoven fabric one or more is subjected to physical treatments.
- Textile materials made of synthetic polymers such as polyamide, Polyester or polyurethane, which by the classic method of Fabric weave of warp and weft or made by stitching have been due to their diverse excellent properties experience a wide spread in various areas of application, such as for example the clothing or automotive industry.
- Nonwovens made by solidifying microfibers and / or microfilaments of these materials, in particular of unsplit or at least partially split microfibers and / or microfilaments can be made produce themselves very inexpensively, but are for a number of Applications are only suitable to a limited extent.
- the object of the present invention was therefore to provide a method find out by which the softness and / or the fall of nonwovens unsplit and / or at least partially split microfibers and / or Microfilaments of synthetic polymers containing at least one Polyester component and at least one polyamide component and optionally at least one polyurethane component is improved.
- This object is achieved by the method according to the invention for improvement of softness and / or fall of non-split and / or nonwovens at least partially split microfibers and / or microfilaments synthetic polymers containing at least one polyester component and at least one polyamide component and optionally at least one Dissolved polyurethane component, according to which the nonwoven fabric one or more is subjected to physical treatments.
- the nonwoven to be treated preferably comes in the inventive Process in the form of untreated raw material.
- the nonwoven to be treated is in the process according to the invention preferably used as a sheet-like structure of any shape.
- the nonwoven fabric in the form of sheets or webs is particularly preferred, entirely particularly preferably in the form of webs, preferably analogously to Continuous panels of material used in the inventive method.
- the polyamide component is preferably selected from the group consisting of made of polyamide 6, polyamide 66 and polyamide 11.
- the polyester component is preferably selected from the group consisting of polyethylene terephthalate, polypropylene terephthalate, polybutylene terephthalate, polylactic acid, their mixtures and copolyesters.
- copolyesters can be prepared either by partial exchange of the acid component and / or by partial exchange of the diol component, as described, for example, in Büttner "Basically Modified Polyester Fibers” in "Die Angewandte Makromolekulare Chemie” 40/41, 1974, pages 57-70 (no. 593) or GG Kulkarni, Colorage, August 21, 1986, pages 30 to 33.
- the corresponding literature descriptions are hereby introduced as a reference and are considered part of the disclosure.
- the nonwoven fabric can also preferably be a polyester component
- polyesters based on lactic acid as described in EP 1 091 028 are described. The corresponding description is hereby used for reference introduced and considered part of the revelation.
- the titer of the split microfibers and / or microfilaments used upcoming nonwoven is preferably ⁇ 1 dtex, particularly preferred 0.1 to 0.25 dtex.
- the titer of the unsplit microfibers and / or Microfilaments in the composite is preferably ⁇ 1 dtex, particularly preferred 2.0 to 3.2 dtex.
- the nonwoven fabric used in the method according to the invention is preferably a staple fiber nonwoven fabric or spunbonded nonwoven fabric, particularly preferably a spunbonded nonwoven fabric, which was preferably processed into webs, preferably analogously to continuous webs of fabric.
- Appropriate nonwovens can be produced by customary methods known to the person skilled in the art, as described, for example, in Dr. Helmut Jörder "Nonwoven textiles", avr textbook, P. Kepler Verlag KG, Heusenstamm 1977, pages 13 to 20 are described.
- Corresponding spunbonded nonwovens can preferably be produced by methods such as those in the EP 0 814 188 are described. The corresponding descriptions are hereby introduced as a reference and are considered part of the disclosure.
- nonwovens which have a basis weight of 15 to 350 g / m 2 , particularly preferably 60 to 200 g / m 2 .
- the inventive method for the physical treatment of Nonwoven can be continuous, semi-continuous or discontinuous be carried out, the continuous process is usually preferred.
- the physical treatment of the nonwoven used is carried out by the method according to the invention by mechanical treatment of the nonwoven.
- the nonwoven is preferably moved in a strand or in the form of a web, preferably in the moist state.
- the nonwoven fabric is also subjected to a thermal treatment at the same time as the mechanical treatment.
- the thermal treatment is preferably carried out using steam, particularly preferably using supersaturated steam.
- the respectively optimal temperature of the steam and the dwell time of the nonwoven in the steam can vary, for example depending on the composition of the nonwoven, and can be determined by a person skilled in the art by means of preliminary tests.
- the temperature of the steam is preferably not more than 130 ° C, particularly preferably not more than 120 ° C.
- the residence time of the nonwoven fabric in the steam is preferably 10 minutes to 90 minutes, particularly preferably 25 to 75 minutes and very particularly preferably 30 to 60 minutes.
- the simultaneous mechanical and thermal preferably take place Treatment with steam in a conventional, known to those skilled in the art String tumblers, such as the T150S type from Thies GmbH & Co. KG (Coesfeld / Westphalia, Germany) on the market.
- String tumblers such as the T150S type from Thies GmbH & Co. KG (Coesfeld / Westphalia, Germany) on the market.
- thermo treatment of the nonwoven fabric by washing, preferably in water, by customary methods known to those skilled in the art.
- the optimal temperature during washing and the length of stay of the nonwoven in the laundry can vary, for example depending on the composition of the nonwoven, and by the expert Preliminary tests can be determined.
- the temperature during washing is preferably 40 to 130 ° C. particularly preferably 60 to 95 ° C.
- the dwell time of the nonwoven in the Washing is preferably 20 to 90 minutes, particularly preferably 25 to 75 minutes and most preferably 30 to 60 minutes.
- the mechanical treatment of the nonwoven with simultaneous thermal Treatment with laundry is preferably carried out in a conventional, the Strand washers known to those skilled in the art or in a strand dyeing machine, preferably a jet dyeing machine.
- nonwovens are also used to design their look Colored and / or printed customary methods known to those skilled in the art.
- the Physical treatment of this product according to the invention is usually carried out before or after dyeing and / or printing the nonwoven fabric.
- vat and / or Sulfur dyes for coloring the nonwoven fabric used according to the invention conventional dyes known to the person skilled in the art, in particular vat and / or Sulfur dyes, also in their dissolved form, i.e. in shape corresponding leuco vat dyes or water-soluble sulfur dyes, inorganic or organic pigments or disperse dyes.
- the corresponding literature description is hereby referred to as Reference introduced and is considered part of the disclosure.
- Preferred disperse dyes and corresponding dyeing processes are for example in the German patent application with the file number 101 25 843.7. The corresponding description is hereby as Reference introduced and is considered part of the disclosure.
- Preferred inorganic and organic pigments and corresponding ones Staining procedures are for example in the German patent application with the Case number 101 29 366.6. The corresponding description is hereby introduced as a reference and is considered part of the disclosure.
- the mechanical Treatment of the wet nonwoven preferably by movement in the strand done during dyeing.
- the physical treatment and possibly the coloring of the Nonwovens can be conventional finishing steps known to those skilled in the art connect to refine the goods.
- the nonwovens made from unsplit and / or at least partially split microfibers and / or microfilaments from synthetic polymers containing at least one polyester component and at least one polyamide component and optionally at least one polyurethane component are characterized by improved softness and / or improved falling properties. They are therefore particularly suitable for the manufacture of high-quality products, such as clothing, shoe components, home textiles, upholstery fabrics, flags, lining fabrics, preferably those for luggage, products for medical or hygienic purposes due to the very beautiful appearance and the pleasant, soft nature of this material Area as well as for the production of equipment for transport means, preferably an interior of transport means. Transport means in the sense of the present invention are also to be understood in particular to mean motor vehicles, rail vehicles, water vehicles and airplanes.
- Another object of the present invention is therefore the use at least one nonwoven treated according to the invention for the production of Clothing, shoe components, home textiles, upholstery fabrics, flags, Lining fabrics, preferably lining fabrics for luggage, such as suitcase or bags, products for the medical field, hygiene products and for the production of equipment for transport, preferably an interior of means of transport.
- the corresponding nonwovens after the treatment according to the method according to the invention usually improved stretch properties, especially in the transverse direction, as well improved strength, especially maximum tensile and tear strength, exhibit.
- the softness of the nonwovens is achieved by feeling the nonwoven material Test subjects rated, each a rating of Submit 1-6
- a web-shaped spunbonded nonwoven with a basis weight of 100 g / m 2 consolidated by means of water jet technology, consisting of partially split microfilaments of 70% by weight polyethylene terephthalate and 30% by weight polyamide 6 with a titer of 0.10-0.15 dtex was treated in the form of the untreated raw material in a strand process with 2 ml / l of the running aid Sevosoftal® UFB (textile color, Sevelen, Switzerland) at a liquor ratio of 1:30.
- the washing was started at 20 ° C., then the mixture was heated to 115 ° C. per minute and treated at this temperature for 30 minutes.
- the mixture was then cooled to 70 ° C. at -1.5 ° C. per minute and rinsed with cold water.
- the circulation speed of the nonwoven fabric during the entire process was 100 m / minute.
- a web-shaped spunbonded nonwoven with a basis weight of 100 g / m 2 consolidated by means of water jet technology, consisting of partially split microfilaments of 70% by weight polyethylene terephthalate and 30% by weight polyamide 6 with a titer of 0.10-0.15 dtex was treated in the form of the untreated raw material for 40 minutes at a temperature of 130 ° C. under a steam atmosphere in a strand tumbler (type T150S, Thies GmbH & Co. KG) at a circulation speed of 80 meters / minute.
- the nonwoven fabric treated in this way was then cooled down to 80 ° C. in the course of 20 minutes without further steam supply and was moved out of the machine.
- a dyeing machine type Soft TRD, Thies GmbH & Co. KG Coesfeld / Westphalia, Germany
- Example 1 material samples were taken from 20 test subjects (10 women, 5 of them between 20 and 35 years old and 5 between 35 and 50 years old. 10 men, 5 of them between 20 and 35 years old and 5 between 35 and 50 years old) before or after each according to the treatment listed in Examples 1-3 and Comparative Example 1 according to the tactile sensation.
- the classification therefore refers to the assessment of the treated sample in comparison to the untreated sample.
- the rating 1 was given as the best rating (very pleasant and very soft) and the rating 6 worst rating (no improvement).
- Comparative example 1 shows that drying with the aid of Belt dryer has a minor impact on the softness of the nonwovens Has.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Nonwoven Fabrics (AREA)
- Treatment Of Fiber Materials (AREA)
- Multicomponent Fibers (AREA)
Abstract
Description
Die vorliegende Erfindung betrifft ein Verfahren zur Verbesserung von Weichheit und/oder Fall von Vliesstoffen aus ungesplitteten und/oder zumindest teilweise gesplitteten Mikrofasern und/oder Mikrofilamenten synthetischer Polymere enthaltend wenigstens eine Polyesterkomponente und wenigstens eine Polyamidkomponente und gegebenenfalls wenigstens eine Polyurethankomponente, gemäß dem der Vliesstoff einer oder mehreren physikalischen Behandlungen unterworfen wird.The present invention relates to a method for improving Softness and / or fall of nonwoven fabrics from unsplit and / or at least partially split microfibers and / or microfilaments synthetic Polymers containing at least one polyester component and at least a polyamide component and optionally at least one Polyurethane component, according to which the nonwoven fabric one or more is subjected to physical treatments.
Textile Materialien aus synthetischen Polymeren, wie beispielsweise Polyamid, Polyester oder Polyurethan, welche durch die klassische Methode der Gewebebindung von Kette und Schuss oder durch Maschenbildung hergestellt worden sind, haben aufgrund ihrer vielfältigen ausgezeichneten Eigenschaften eine weite Verbreitung in verschiedensten Anwendungsbereichen erfahren, wie beispielsweise der Bekleidungs- oder Automobilindustrie.Textile materials made of synthetic polymers, such as polyamide, Polyester or polyurethane, which by the classic method of Fabric weave of warp and weft or made by stitching have been due to their diverse excellent properties experience a wide spread in various areas of application, such as for example the clothing or automotive industry.
Vliesstoffe, die durch Verfestigung von Mikrofasern und/oder Mikrofilamenten dieser Materialien, insbesondere von ungesplitteten oder zumindest teilweise gesplitteten Mikrofasern und/oder Mikrofilamenten hergestellt werden, lassen sich zwar sehr kostengünstig herstellen, sind aber für eine Reihe von Anwendungen nur eingeschränkt geeignet. Nonwovens made by solidifying microfibers and / or microfilaments of these materials, in particular of unsplit or at least partially split microfibers and / or microfilaments can be made produce themselves very inexpensively, but are for a number of Applications are only suitable to a limited extent.
Die Ursache hierfür liegt u.a. darin, dass derartige Vliesstoffe üblicherweise eine unzureichende Weichheit sowie einen nicht zufriedenstellenden Fall aufweisen. Dies führt neben einer unschönen Optik auch dazu, dass die Berührung dieser Vliesstoffe als unangenehm empfunden wird und somit insbesondere deren Tragekomfort vermindert wird. Daher sind die entsprechende Vliesstoffe für eine Reihe von Anwendungen, wie beispielsweise der Herstellung von Bekleidung oder Heimtextilien, unbrauchbar oder zumindest deren Verwendungsmöglichkeiten stark einschränkt.One of the reasons for this is in that such nonwovens usually insufficient softness and an unsatisfactory case exhibit. In addition to an unsightly appearance, this also means that the Touching these nonwovens is felt as uncomfortable and therefore in particular, their comfort is reduced. Therefore, they are appropriate nonwovens for a number of applications, such as the manufacture of clothing or home textiles, unusable or at least severely limits their uses.
Die Aufgabe der vorliegenden Erfindung bestand daher darin, ein Verfahren zu finden, durch das die Weichheit und/oder der Fall von Vliesstoffen aus ungesplitteten und/oder zumindest teilweise gesplitteten Mikrofasern und/oder Mikrofilamenten synthetischer Polymere enthaltend wenigstens eine Polyesterkomponente und wenigstens eine Polyamidkomponente und gegebenenfalls wenigstens eine Polyurethankomponente verbessert wird.The object of the present invention was therefore to provide a method find out by which the softness and / or the fall of nonwovens unsplit and / or at least partially split microfibers and / or Microfilaments of synthetic polymers containing at least one Polyester component and at least one polyamide component and optionally at least one polyurethane component is improved.
Diese Aufgabe wird durch das erfindungsgemäße Verfahren zur Verbesserung von Weichheit und/oder Fall von Vliesstoffen aus ungesplitteten und/oder zumindest teilweise gesplitteten Mikrofasern und/oder Mikrofilamenten synthetischer Polymere enthaltend wenigstens eine Polyesterkomponente und wenigstens eine Polyamidkomponente und gegebenenfalls wenigstens eine Polyurethankomponente gelöst, gemäß dem der Vliesstoff einer oder mehreren physikalischen Behandlungen unterworfen wird.This object is achieved by the method according to the invention for improvement of softness and / or fall of non-split and / or nonwovens at least partially split microfibers and / or microfilaments synthetic polymers containing at least one polyester component and at least one polyamide component and optionally at least one Dissolved polyurethane component, according to which the nonwoven fabric one or more is subjected to physical treatments.
Unter einer physikalischen Behandlung des Vliesstoffes im Sinne der vorliegenden Erfindung wird jede unter Energieeintrag erfolgende Behandlung des Vliesstoffes verstanden. Sofern das erfindungsgemäße Verfahren zwei oder mehr solcher Behandlungen umfasst, können diese gleichzeitig oder in beliebiger zeitlicher Abfolge zueinander durchgeführt werden. Under a physical treatment of the nonwoven in the sense of The present invention will be any energetic treatment understood the nonwoven. If the method according to the invention two or more such treatments, they can be taken simultaneously or in any time sequence to each other.
Vorzugsweise kommt der zu behandelnde Vliesstoff in dem erfindungsgemäßen Verfahren in Form von unbehandelter Rohware zum Einsatz.The nonwoven to be treated preferably comes in the inventive Process in the form of untreated raw material.
Der zu behandelnde Vliesstoff wird in dem erfindungsgemäßen Verfahren vorzugsweise als flächenförmiges Gebilde von beliebiger Form eingesetzt. Besonders bevorzugt wird der Vliesstoff in Form von Platten oder Bahnen, ganz besonders bevorzugt in Form von Bahnen, vorzugsweise analog zu fortlaufenden Stoffbahnen in dem erfindungsgemäßen Verfahren eingesetzt.The nonwoven to be treated is in the process according to the invention preferably used as a sheet-like structure of any shape. The nonwoven fabric in the form of sheets or webs is particularly preferred, entirely particularly preferably in the form of webs, preferably analogously to Continuous panels of material used in the inventive method.
Bevorzugt besteht der in dem erfindungsgemäßen Verfahren zum Einsatz kommende Vliesstoff aus wenigstens einer Polyesterkomponente und wenigstens einer Polyamidkomponente, wobei diese beiden Kunststoffkomponenten bevorzugt in einem Verhältnis von 5 bis 95 Gew.-% wenigstens einer Polyesterkomponente und 95 bis 5 Gew.-% wenigstens einer Polyamidkomponente, besonders bevorzugt 15 bis 85 Gew.-% wenigstens einer Polyesterkomponente und 85 bis 15 Gew.-% wenigstens einer Polyamidkomponente, ganz besonders bevorzugt 30 bis 70 Gew.-% wenigstens einer Polyesterkomponente und 70 bis 30 Gew.-% wenigstens einer Polyamidkomponente vorliegen.This is preferably used in the method according to the invention upcoming nonwoven fabric made of at least one polyester component and at least one polyamide component, these two Plastic components preferably in a ratio of 5 to 95% by weight at least one polyester component and 95 to 5% by weight of at least one Polyamide component, particularly preferably at least 15 to 85% by weight a polyester component and 85 to 15% by weight of at least one Polyamide component, very particularly preferably at least 30 to 70% by weight a polyester component and 70 to 30% by weight of at least one Polyamide component are present.
Die Polyamidkomponente ist bevorzugt ausgewählt aus der Gruppe bestehend aus Polyamid 6, Polyamid 66 und Polyamid 11.The polyamide component is preferably selected from the group consisting of made of polyamide 6, polyamide 66 and polyamide 11.
Die Polyesterkomponente ist bevorzugt ausgewählt aus der Gruppe bestehend
aus Polyethylenterephthalat, Polypropylenterephthalat, Polybutylenterephthalat,
Polymilchsäure, deren Mischungen und Copolyestern.
Solche Copolyester lassen sich entweder durch teilweisen Austausch der
Säurekomponente und/oder durch teilweisen Austausch der Diol Komponente
herstellen, wie beispielsweise in Büttner "Basisch modifizierte Polyesterfasern"
in "Die Angewandte Makromolekulare Chemie" 40/41, 1974, Seiten 57-70 (Nr.
593) oder G.G. Kulkarni, Colourage, 21. August 1986, Seiten 30 bis 33
beschrieben. Die entsprechenden Literaturbeschreibungen werden hiermit als
Referenz eingeführt und gelten als Teil der Offenbarung.The polyester component is preferably selected from the group consisting of polyethylene terephthalate, polypropylene terephthalate, polybutylene terephthalate, polylactic acid, their mixtures and copolyesters.
Such copolyesters can be prepared either by partial exchange of the acid component and / or by partial exchange of the diol component, as described, for example, in Büttner "Basically Modified Polyester Fibers" in "Die Angewandte Makromolekulare Chemie" 40/41, 1974, pages 57-70 (no. 593) or GG Kulkarni, Colorage, August 21, 1986, pages 30 to 33. The corresponding literature descriptions are hereby introduced as a reference and are considered part of the disclosure.
Ebenfalls bevorzugt kann der Vliesstoff als Polyesterkomponente einen Polyester auf Basis von Milchsäure aufweisen, wie sie in der EP 1 091 028 beschrieben sind. Die entsprechende Beschreibung wird hiermit als Referenz eingeführt und gilt als Teil der Offenbarung.The nonwoven fabric can also preferably be a polyester component Have polyesters based on lactic acid, as described in EP 1 091 028 are described. The corresponding description is hereby used for reference introduced and considered part of the revelation.
Der Titer der gesplitteten Mikrofasern und/oder Mikrofilamente des zum Einsatz kommenden Vliesstoffs beträgt vorzugsweise ≤ 1 dtex, besonders bevorzugt 0,1 bis 0,25 dtex. Der Titer der ungesplitteten Mikrofasern und/oder Mikrofilamente im Verbund beträgt vorzugsweise ≥ 1 dtex, besonders bevorzugt 2,0 bis 3,2 dtex.The titer of the split microfibers and / or microfilaments used upcoming nonwoven is preferably ≤ 1 dtex, particularly preferred 0.1 to 0.25 dtex. The titer of the unsplit microfibers and / or Microfilaments in the composite is preferably ≥ 1 dtex, particularly preferred 2.0 to 3.2 dtex.
Vorzugsweise ist der in dem erfindungsgemäßen Verfahren zum Einsatz
kommende Vliesstoff ein Stapelfaservliesstoff oder Spinnvliesstoff, besonders
bevorzugt ein Spinnvliesstoff, der vorzugsweise zu Bahnen, bevorzugt analog
zu fortlaufenden Stoffbahnen verarbeitet wurde.
Die Herstellung entsprechender Vliesstoffe kann nach üblichen, dem Fachmann
bekannten Verfahren erfolgen, wie sie beispielsweise in Dr. Helmut Jörder
"Textilien auf Vliesbasis (Nonwovens)", avr-Fachbuch, P. Kepler Verlag KG,
Heusenstamm 1977, Seiten 13 bis 20 beschrieben sind. Die Herstellung
entsprechender Spinnvliesstoffe kann bevorzugt nach Verfahren erfolgen, wie
sie in der
EP 0 814 188 beschrieben sind. Die entsprechenden Beschreibungen werden
hiermit als Referenz eingeführt und gelten als Teil der Offenbarung.The nonwoven fabric used in the method according to the invention is preferably a staple fiber nonwoven fabric or spunbonded nonwoven fabric, particularly preferably a spunbonded nonwoven fabric, which was preferably processed into webs, preferably analogously to continuous webs of fabric.
Appropriate nonwovens can be produced by customary methods known to the person skilled in the art, as described, for example, in Dr. Helmut Jörder "Nonwoven textiles", avr textbook, P. Kepler Verlag KG, Heusenstamm 1977, pages 13 to 20 are described. Corresponding spunbonded nonwovens can preferably be produced by methods such as those in the
EP 0 814 188 are described. The corresponding descriptions are hereby introduced as a reference and are considered part of the disclosure.
Für den Einsatz in dem erfindungsgemäßen Verfahren kommen bevorzugt solche Vliesstoffe in Betracht, die ein Flächengewicht von 15 bis 350 g/m2, besonders bevorzugt von 60 bis 200 g/m2 aufweisen. For use in the process according to the invention, preference is given to those nonwovens which have a basis weight of 15 to 350 g / m 2 , particularly preferably 60 to 200 g / m 2 .
Das erfindungsgemäße Verfahren zur physikalischen Behandlung des Vliesstoffes kann kontinuierlich, halbkontinuierlich oder diskontinuierlich durchgeführt werden, wobei die kontinuierliche Verfahrensführung üblicherweise bevorzugt ist.The inventive method for the physical treatment of Nonwoven can be continuous, semi-continuous or discontinuous be carried out, the continuous process is usually preferred.
In einer bevorzugten Ausführungsform des erfindungsgemäßen Verfahrens
erfolgt die physikalische Behandlung des zum Einsatz kommenden Vliesstoffs
nach dem erfindungsgemäßen Verfahren durch mechanische Behandlung des
Vliesstoffs.
Hierzu wird der Vliesstoff bevorzugt im Strang oder bahnförmig, vorzugsweise
im feuchten Zustand, bewegt.In a preferred embodiment of the method according to the invention, the physical treatment of the nonwoven used is carried out by the method according to the invention by mechanical treatment of the nonwoven.
For this purpose, the nonwoven is preferably moved in a strand or in the form of a web, preferably in the moist state.
In einer weiteren bevorzugten Ausführungsform des erfindungsgemäßen
Verfahrens wird der Vliesstoff gleichzeitig zu der mechanischen Behandlung
auch einer thermischen Behandlung unterworfen.
Vorzugsweise erfolgt die thermische Behandlung mit Hilfe von Dampf,
besonders bevorzugt mit Hilfe von übersättigtem Wasserdampf.
Die jeweils optimale Temperatur des Dampfes sowie die Verweildauer des
Vliesstoffs im Dampf können variieren, beispielsweise in Abhängigkeit von der
Zusammensetzung des Vliesstoffes, und vom Fachmann durch Vorversuche
ermittelt werden.In a further preferred embodiment of the method according to the invention, the nonwoven fabric is also subjected to a thermal treatment at the same time as the mechanical treatment.
The thermal treatment is preferably carried out using steam, particularly preferably using supersaturated steam.
The respectively optimal temperature of the steam and the dwell time of the nonwoven in the steam can vary, for example depending on the composition of the nonwoven, and can be determined by a person skilled in the art by means of preliminary tests.
Die Temperatur des Dampfes beträgt vorzugsweise nicht mehr als 130 °C,
besonders bevorzugt nicht mehr als 120 °C.
Die Verweildauer des Vliesstoffes im Dampf beträgt vorzugsweise 10 Minuten
bis 90 Minuten, besonders bevorzugt 25 bis 75 Minuten und ganz besonders
bevorzugt 30 bis 60 Minuten.The temperature of the steam is preferably not more than 130 ° C, particularly preferably not more than 120 ° C.
The residence time of the nonwoven fabric in the steam is preferably 10 minutes to 90 minutes, particularly preferably 25 to 75 minutes and very particularly preferably 30 to 60 minutes.
Vorzugsweise erfolgt die gleichzeitige mechanische und thermische Behandlung mit Dampf in einem konventionellen, dem Fachmann bekannten Strangtumbler, wie beispielsweise vom Typ T150S, der von der Firma Thies GmbH & Co. KG (Coesfeld/Westfalen, Deutschland) am Markt geführt wird.The simultaneous mechanical and thermal preferably take place Treatment with steam in a conventional, known to those skilled in the art String tumblers, such as the T150S type from Thies GmbH & Co. KG (Coesfeld / Westphalia, Germany) on the market.
In einer weiteren bevorzugten Ausführungsform der vorliegenden Erfindung kann die thermische Behandlung des Vliesstoffs durch Wäsche, vorzugsweise in Wasser, nach üblichen, dem Fachmann bekannten Methoden erfolgen.In a further preferred embodiment of the present invention the thermal treatment of the nonwoven fabric by washing, preferably in water, by customary methods known to those skilled in the art.
Die jeweils optimale Temperatur während der Wäsche sowie die Verweildauer des Vliesstoffs in der Wäsche können variieren, beispielsweise in Abhängigkeit von der Zusammensetzung des Vliesstoffes, und vom Fachmann durch Vorversuche ermittelt werden.The optimal temperature during washing and the length of stay of the nonwoven in the laundry can vary, for example depending on the composition of the nonwoven, and by the expert Preliminary tests can be determined.
Vorzugsweise beträgt die Temperatur während der Wäsche 40 bis 130 °C, besonders bevorzugt 60 bis 95 °C. Die Verweildauer des Vliesstoffes in der Wäsche beträgt vorzugsweise 20 bis 90 Minuten, besonders bevorzugt 25 bis 75 Minuten und ganz besonders bevorzugt 30 bis 60 Minuten.The temperature during washing is preferably 40 to 130 ° C. particularly preferably 60 to 95 ° C. The dwell time of the nonwoven in the Washing is preferably 20 to 90 minutes, particularly preferably 25 to 75 minutes and most preferably 30 to 60 minutes.
Die mechanische Behandlung des Vliesstoffs unter gleichzeitiger thermischer Behandlung mittels Wäsche wird vorzugsweise in einem herkömmlichen, dem Fachmann bekannten Strangwäscher oder in einer Strangfärbemaschine, vorzugsweise einer Jet-Färbemaschine, durchgeführt.The mechanical treatment of the nonwoven with simultaneous thermal Treatment with laundry is preferably carried out in a conventional, the Strand washers known to those skilled in the art or in a strand dyeing machine, preferably a jet dyeing machine.
Üblicherweise werden Vliesstoffe zur Gestaltung ihrer Optik auch nach üblichen, dem Fachmann bekannten Verfahren gefärbt und/oder bedruckt. Die erfindungsgemäße physikalische Behandlung dieser Ware erfolgt üblicherweise vor oder nach dem Färben und/oder Bedrucken des Vliesstoffs.Usually nonwovens are also used to design their look Colored and / or printed customary methods known to those skilled in the art. The Physical treatment of this product according to the invention is usually carried out before or after dyeing and / or printing the nonwoven fabric.
Zur Farbgebung für den erfindungsgemäß zum Einsatz kommenden Vliesstoff eignen sich übliche, dem Fachmann bekannte Farbstoffe, insbesondere Küpenund/oder Schwefelfarbstoffe, auch in ihrer gelösten Form, d.h. in Form entsprechender Leukoküpenfarbstoffe oder wasserlöslicher Schwefelfarbstoffe, anorganische oder organische Pigmente oder Dispersionsfarbstoffe.For coloring the nonwoven fabric used according to the invention conventional dyes known to the person skilled in the art, in particular vat and / or Sulfur dyes, also in their dissolved form, i.e. in shape corresponding leuco vat dyes or water-soluble sulfur dyes, inorganic or organic pigments or disperse dyes.
Als Küpenfarbstoff kann bevorzugt ein Farbstoff ausgewählt aus der Gruppe der anthrachinoiden, indigoiden oder der Leukoküpenesterfarbstoffe eingesetzt werden, wie sie beispielsweise in "Rath-Lehrbuch der Textilchemie", Springer-Verlag, Berlin, Heidelberg, New York, 3. Auflage 1972, Seiten 462 bis 485 beschrieben sind. Die entsprechende Literaturbeschreibung wird hiermit als Referenz eingeführt und gilt als Teil der Offenbarung.A dye selected from the group of anthraquinones, indigoids or the leucocupine dyes used as described, for example, in "Rath Textbook of Textile Chemistry", Springer-Verlag, Berlin, Heidelberg, New York, 3rd edition 1972, pages 462 to 485 are described. The corresponding literature description is hereby referred to as Reference introduced and is considered part of the disclosure.
Bevorzugte Dispersionsfarbstoffe sowie entsprechende Färbeverfahren sind beispielsweise in der deutschen Patentanmeldung mit dem Aktenzeichen 101 25 843.7 offenbart. Die entsprechende Beschreibung wird hiermit als Referenz eingeführt und gilt als Teil der Offenbarung.Preferred disperse dyes and corresponding dyeing processes are for example in the German patent application with the file number 101 25 843.7. The corresponding description is hereby as Reference introduced and is considered part of the disclosure.
Bevorzugte anorganische und organische Pigmente sowie entsprechende Färbeverfahren sind beispielsweise in der deutschen Patentanmeldung mit dem Aktenzeichen 101 29 366.6 offenbart. Die entsprechende Beschreibung wird hiermit als Referenz eingeführt und gilt als Teil der Offenbarung.Preferred inorganic and organic pigments and corresponding ones Staining procedures are for example in the German patent application with the Case number 101 29 366.6. The corresponding description is hereby introduced as a reference and is considered part of the disclosure.
Sofern die Farbgebung des Vliesstoffes mit Hilfe einer Strangfärbemaschine, vorzugsweise einer Jet-Färbemaschine, erfolgt, kann die mechanische Behandlung des feuchten Vliesstoffs durch Bewegung im Strang vorzugsweise während des Färbens erfolgen.If the coloring of the nonwoven fabric with the help of a strand dyeing machine, preferably a jet dyeing machine, the mechanical Treatment of the wet nonwoven preferably by movement in the strand done during dyeing.
Der physikalischen Behandlung und gegebenenfalls der Farbgebung des Vliesstoffes können sich übliche, dem Fachmann bekannte Ausrüstungsschritte zur Veredlung der Ware anschließen. The physical treatment and possibly the coloring of the Nonwovens can be conventional finishing steps known to those skilled in the art connect to refine the goods.
Die nach dem erfindungsgemäßen Verfahren behandelten Vliesstoffe aus
ungesplitteten und/oder zumindest teilweise gesplitteten Mikrofasern und/oder
Mikrofilamenten aus synthetischen Polymeren enthaltend wenigstens eine
Polyesterkomponente und wenigstens eine Polyamidkomponente und
gegebenenfalls wenigstens eine Polyurethankomponente zeichnen sich durch
eine verbesserte Weichheit und/oder verbesserte Falleigenschaften aus.
Sie eignen sich somit aufgrund der sehr schönen Optik und der als angenehm
empfundenen weichen Beschaffenheit dieses Materials insbesondere zur
Herstellung von hochwertigen Produkten, wie z.B. Bekleidung,
Schuhkomponenten, Heimtextilien, Bezugsstoffen, Fahnen, Futterstoffen,
vorzugsweise solchen für Gepäckstücke, Produkten für den medizinischen oder
hygienischen Bereich sowie zur Herstellung einer Ausstattung von
Transportmitteln, vorzugsweise einer Innenausstattung von Transportmitteln.
Unter Transportmitteln im Sinne der vorliegenden Erfindung sind insbesondere
auch Kraftfahrzeuge, Schienenfahrzeuge, Wasserfahrzeuge und Flugzeuge zu
verstehen.The nonwovens made from unsplit and / or at least partially split microfibers and / or microfilaments from synthetic polymers containing at least one polyester component and at least one polyamide component and optionally at least one polyurethane component are characterized by improved softness and / or improved falling properties.
They are therefore particularly suitable for the manufacture of high-quality products, such as clothing, shoe components, home textiles, upholstery fabrics, flags, lining fabrics, preferably those for luggage, products for medical or hygienic purposes due to the very beautiful appearance and the pleasant, soft nature of this material Area as well as for the production of equipment for transport means, preferably an interior of transport means. Transport means in the sense of the present invention are also to be understood in particular to mean motor vehicles, rail vehicles, water vehicles and airplanes.
Ein weiterer Gegenstand der vorliegenden Erfindung ist daher die Verwendung wenigstens eines erfindungsgemäß behandelten Vliesstoffs zur Herstellung von Bekleidung, Schuhkomponenten, Heimtextilien, Bezugsstoffen, Fahnen, Futterstoffen, vorzugsweise Futterstoffen für Gepäckstücke, wie z.B. Koffer oder Taschen, Produkten für den medizinischen Bereich, Hygieneprodukten sowie zur Herstellung einer Ausstattung von Transportmitteln, vorzugsweise einer Innenausstattung von Transportmitteln.Another object of the present invention is therefore the use at least one nonwoven treated according to the invention for the production of Clothing, shoe components, home textiles, upholstery fabrics, flags, Lining fabrics, preferably lining fabrics for luggage, such as suitcase or bags, products for the medical field, hygiene products and for the production of equipment for transport, preferably an interior of means of transport.
Überraschenderweise wurde gefunden, dass die entsprechenden Vliesstoffe nach der Behandlung gemäß dem erfindungsgemäßen Verfahren üblicherweise verbesserte Dehnungseigenschaften, insbesondere in Querrichtung, sowie verbesserte Festigkeiten, insbesondere Höchstzugkräfte und Weiterreißkräfte, aufweisen. Surprisingly, it was found that the corresponding nonwovens after the treatment according to the method according to the invention usually improved stretch properties, especially in the transverse direction, as well improved strength, especially maximum tensile and tear strength, exhibit.
Die Weichheit der Vliesstoffe wird durch Befühlen des Vliesstoffmaterials durch Testpersonen bewertet, die jeweils eine Bewertung von 1-6 abgebenThe softness of the nonwovens is achieved by feeling the nonwoven material Test subjects rated, each a rating of Submit 1-6
Im folgenden wird die Erfindung anhand von Beispielen erläutert. Diese Erläuterungen sind lediglich beispielhaft und schränken den allgemeinen Erfindungsgedanken nicht ein.In the following the invention is explained with the aid of examples. This Explanations are only examples and limit the general Invention not one.
Ein mittels Wasserstrahltechnik verfestigter, bahnförmiger Spinnvliesstoff mit
einem Flächengewicht von 100 g/m2, bestehend aus zum Teil gesplitteten
Mikrofilamenten aus 70 Gew.-% Polyethylenterephthalat und 30 Gew.-%
Polyamid 6 mit einem Titer von 0,10-0,15 dtex wurde in Form der
unbehandelten Rohware im Strangverfahren mit 2 ml/l des Laufshilfmittels
Sevosoftal® UFB (Textilcolor, Sevelen, Schweiz) bei einem Flottenverhältnis
von 1:30 behandelt.
Die Wäsche wurde bei 20 °C begonnen, anschließend wurde mit 2 °C pro
Minute auf 115 °C aufgeheizt und 30 Minuten bei dieser Temperatur behandelt.
Anschließend wurde mit -1,5 °C pro Minute auf 70 °C abgekühlt und mit kaltem
Wasser gespült. Die Umlaufgeschwindigkeit des Vliesstoffs während des
gesamten Prozesses betrug 100 m/Minute.A web-shaped spunbonded nonwoven with a basis weight of 100 g / m 2 consolidated by means of water jet technology, consisting of partially split microfilaments of 70% by weight polyethylene terephthalate and 30% by weight polyamide 6 with a titer of 0.10-0.15 dtex was treated in the form of the untreated raw material in a strand process with 2 ml / l of the running aid Sevosoftal® UFB (textile color, Sevelen, Switzerland) at a liquor ratio of 1:30.
The washing was started at 20 ° C., then the mixture was heated to 115 ° C. per minute and treated at this temperature for 30 minutes. The mixture was then cooled to 70 ° C. at -1.5 ° C. per minute and rinsed with cold water. The circulation speed of the nonwoven fabric during the entire process was 100 m / minute.
Schließlich wurde eine Trocknung auf einem Siebbandtrockner (Typ Santashrink, Santex AG, Tobel, Schweiz) während 40 Sekunden bei einer Temperatur von 130 °C spannungsarm durchgeführt. Finally drying on a belt dryer (type Santashrink, Santex AG, Tobel, Switzerland) during 40 seconds at one Temperature of 130 ° C carried out with low stress.
Um auszuschließen, dass die Verbesserung der Vliesstoffeigenschaften auf den Einfluss des Siebbandtrockners zurückzuführen sind, wurde ein Teil der gemäß Beispiel 1a) eingesetzten unbehandelten Rohware lediglich über einen herkömmlichen Foulard mit Wasser bei einer Flottenaufnahme von 90 Gew.-%, bezogen auf das Flächengewicht des eingesetzten Vliesstoffes, genetzt und dieser Vliesstoff dann analog zu dem strangbehandelten Vliesstoff gemäß Beispiel 1a getrocknet.To rule out the improvement in nonwoven properties the influence of the belt dryer are part of the untreated raw material used according to example 1a) only via a conventional foulard with water with a liquor absorption of 90% by weight, based on the basis weight of the nonwoven used, wetted and this nonwoven is then analogous to the strand-treated nonwoven according to Example 1a dried.
Ein mittels Wasserstrahltechnik verfestigter, bahnförmiger Spinnvliesstoff mit einem Flächengewicht von 100 g/m2, bestehend aus zum Teil gesplitteten Mikrofilamenten aus 70 Gew.-% Polyethylenterephthalat und 30 Gew.-% Polyamid 6 mit einem Titer von 0,10-0,15 dtex wurde in Form der unbehandelten Rohware während 40 Minuten bei einer Temperatur von 130 °C unter Wasserdampfatmosphäre in einem Strangtumbler (Typ T150S, Thies GmbH & Co. KG) bei einer Umlaufgeschwindigkeit von 80 Metern/Minute behandelt. Dann wurde der so behandelte Vliesstoff innerhalb von 20 Minuten ohne weitere Dampfzufuhr auf 80 °C heruntergekühlt und aus der Maschine herausgefahren.A web-shaped spunbonded nonwoven with a basis weight of 100 g / m 2 consolidated by means of water jet technology, consisting of partially split microfilaments of 70% by weight polyethylene terephthalate and 30% by weight polyamide 6 with a titer of 0.10-0.15 dtex was treated in the form of the untreated raw material for 40 minutes at a temperature of 130 ° C. under a steam atmosphere in a strand tumbler (type T150S, Thies GmbH & Co. KG) at a circulation speed of 80 meters / minute. The nonwoven fabric treated in this way was then cooled down to 80 ° C. in the course of 20 minutes without further steam supply and was moved out of the machine.
Ein mittels Wasserstrahltechnik verfestigter, bahnförmiger Spinnvliesstoff mit einem Flächengewicht von 100 g/m2, bestehend aus zum Teil gesplitteten Mikrofilamenten aus 70 Gew.-% Polyethylenterephthalat und 30 Gew.-% Polyamid 6 mit einem Titer von 0,10-0,15 dtex wurde in einer Färbemaschine (Typ Soft TRD, Thies GmbH & Co. KG Coesfeld/Westfalen, Deutschland) gemäß dem Ausziehverfahren gefärbt.A web-shaped spunbonded nonwoven with a basis weight of 100 g / m 2 consolidated by means of water jet technology, consisting of partially split microfilaments of 70% by weight polyethylene terephthalate and 30% by weight polyamide 6 with a titer of 0.10-0.15 dtex was dyed in a dyeing machine (type Soft TRD, Thies GmbH & Co. KG Coesfeld / Westphalia, Germany) according to the exhaust process.
Hierzu wurden 0,7 Gew.-%, bezogen auf das Flächengewicht des eingesetzten
Vliesstoffes, des Dispersionsfarbstoffes Foron® Blau RD-GLF (Clariant,
Frankfurt, Deutschland) in Gegenwart von 1,5 ml/l des Egalisierungsmittels
Eganal® PS (Clariant, Frankfurt, Deutschland) und 2 ml/l des Laufhilfsmittels
Sevosoftal® UFB (Textilcolor, Sevelen, Schweiz), 2 ml/l 60 Gew.-%iger
Essigsäure und 2 g/l Natriumacetat bei pH 4,5 und einem Flottenverhältnis von
1:30 eingesetzt. Die Färbung des Vliesstoffs wurde bei 20 °C begonnen,
anschließend wurde mit 2 °C / Minute auf 130 °C aufgeheizt und 30 Minuten bei
dieser Temperatur gefärbt. Anschließend wurde mit 1,5 °C/Minute bis auf 70 °C
abgekühlt, mit kaltem Wasser gespült und bei einem Flottenverhältnis von 1:30
eine reduktive Reinigung mit 6 ml/l 32 Gew.-%iger Natronlauge und 2 g/l
konzentriertem Hydrosulfit (BASF AG, Ludwigshafen, Deutschland) während 20
Minuten bei 85 °C durchgeführt. Anschließend wurde der so behandelte und
gefärbte Vliesstoff mit kaltem Wasser gespült und mit 1 ml/l 60 Gew.-%iger
Essigsäure neutralisiert.
Die Umlaufgeschwindigkeit des Vliesstoffs betrug während des gesamten
Färbeprozesses 100 Meter/Minute.For this purpose, 0.7% by weight, based on the weight per unit area of the nonwoven used, of the disperse dye Foron® Blue RD-GLF (Clariant, Frankfurt, Germany) in the presence of 1.5 ml / l of the leveling agent Eganal® PS (Clariant, Frankfurt, Germany) and 2 ml / l of the running aid Sevosoftal® UFB (Textilcolor, Sevelen, Switzerland), 2 ml / l 60% by weight acetic acid and 2 g / l sodium acetate at pH 4.5 and a liquor ratio of 1: 30 used. The dyeing of the nonwoven fabric was started at 20 ° C., then the mixture was heated to 130 ° C. at 2 ° C./minute and dyed at this temperature for 30 minutes. It was then cooled to 1.5 ° C./minute to 70 ° C., rinsed with cold water and, at a liquor ratio of 1:30, a reductive cleaning with 6 ml / l of 32% strength by weight sodium hydroxide solution and 2 g / l was concentrated Hydrosulfite (BASF AG, Ludwigshafen, Germany) carried out at 85 ° C. for 20 minutes. The nonwoven fabric treated and dyed in this way was then rinsed with cold water and neutralized with 1 ml / l of 60% by weight acetic acid.
The speed of circulation of the nonwoven was 100 meters / minute during the entire dyeing process.
Schließlich wurde eine Trocknung auf einem Siebbandtrockner (Typ Santashrink, Santex AG, Tobel, Schweiz) während 40 Sekunden bei einer Temperatur von 130 °C spannungsarm durchgeführt.Finally drying on a belt dryer (type Santashrink, Santex AG, Tobel, Switzerland) during 40 seconds at one Temperature of 130 ° C carried out with low stress.
Zur Bestimmung der Weichheit wurden Materialproben von 20 Testpersonen
(10 Frauen, davon 5 zwischen 20 und 35 Jahren alt und 5 zwischen 35 und 50
Jahren alt. 10 Männer, davon 5 zwischen 20 und 35 Jahren alt und 5 zwischen
35 und 50 Jahren alt) vor bzw. nach der jeweiligen gemäß den in den
Beispielen 1-3 und dem Vergleichsbeispiel 1 aufgeführten Behandlung nach der
grifflichen Empfindung beurteilt.
Die Einstufung bezieht sich demnach auf die Beurteilung der behandelten
Warenprobe im Vergleich zu der unbehandelten Warenprobe. Dabei wurde die
Note 1 als beste Beurteilung (sehr angenehm und sehr weich) Und Note 6
schlechteste Beurteilung (keine Verbesserung) vergeben.To determine the softness, material samples were taken from 20 test subjects (10 women, 5 of them between 20 and 35 years old and 5 between 35 and 50 years old. 10 men, 5 of them between 20 and 35 years old and 5 between 35 and 50 years old) before or after each according to the treatment listed in Examples 1-3 and Comparative Example 1 according to the tactile sensation.
The classification therefore refers to the assessment of the treated sample in comparison to the untreated sample. The rating 1 was given as the best rating (very pleasant and very soft) and the rating 6 worst rating (no improvement).
Die entsprechenden Beurteilungen der Testpersonen sind in der nachfolgenden
Tabelle 1 wiedergegeben.
Die gemäß den Beispielen 1-3 nach dem erfindungsgemäßen Verfahren behandelten Vliesstoffe zeigen gegenüber dem nicht behandelten Vliesstoff jeweils eine deutlich verbesserte Weichheit. The according to Examples 1-3 by the method according to the invention treated nonwovens show compared to the untreated nonwoven each a significantly improved softness.
Das Vergleichsbeispiel 1 belegt, dass die Trocknung mit Hilfe des Siebbandtrockners einen geringen Einfluss auf die Weichheit der Vliesstoffe hat.Comparative example 1 shows that drying with the aid of Belt dryer has a minor impact on the softness of the nonwovens Has.
Claims (24)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10219929 | 2002-05-03 | ||
| DE10219929A DE10219929A1 (en) | 2002-05-03 | 2002-05-03 | Process for improving softness and / or dropping nonwovens |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1359244A2 true EP1359244A2 (en) | 2003-11-05 |
| EP1359244A3 EP1359244A3 (en) | 2005-04-27 |
Family
ID=28798997
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP03002959A Withdrawn EP1359244A3 (en) | 2002-05-03 | 2003-02-11 | Method for improving the softness and /or the drape of nonwoven fabrics |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US20040045144A1 (en) |
| EP (1) | EP1359244A3 (en) |
| DE (1) | DE10219929A1 (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4342801A (en) * | 1979-12-20 | 1982-08-03 | Akzona Incorporated | Suede-like sheet material |
| US4369156A (en) * | 1979-02-27 | 1983-01-18 | Akzona Incorporated | Process for the preparation of fibrillated fiber structures |
| US4560385A (en) * | 1983-05-25 | 1985-12-24 | Rhone-Poulenc Fibres | Process for the treatment of non-woven sheets and the product obtained |
| US5355565A (en) * | 1993-04-22 | 1994-10-18 | Freudenberg Spunweb S.A. | Process for the production of a non-woven cloth constituted of continuous interconnected filaments and cloth thus obtained |
| EP0814188A1 (en) * | 1996-06-17 | 1997-12-29 | Firma Carl Freudenberg | Nonwoven cloth made of very fine continuous filaments |
| DE19962313C1 (en) * | 1999-12-23 | 2001-04-19 | Freudenberg Carl Fa | Nonwoven fabric, for use as bed linen, comprises bicomponent microfilaments of two incompatible polymers with good particle retention |
| DE19947870C1 (en) * | 1999-10-05 | 2001-05-10 | Freudenberg Carl Fa | Heel lining for the shoe industry |
| DE10133769A1 (en) * | 2001-05-25 | 2002-12-05 | Freudenberg Carl Kg | Pilling Reduction Process |
| EP1336682A2 (en) * | 2002-02-18 | 2003-08-20 | Carl Freudenberg KG | Method for reducing pilling |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5733822A (en) * | 1995-08-11 | 1998-03-31 | Fiberweb North America, Inc. | Composite nonwoven fabrics |
| US5672415A (en) * | 1995-11-30 | 1997-09-30 | Kimberly-Clark Worldwide, Inc. | Low density microfiber nonwoven fabric |
| KR100445769B1 (en) * | 1995-11-30 | 2004-10-15 | 킴벌리-클라크 월드와이드, 인크. | Superfine Microfiber Nonwoven Web |
| US6444312B1 (en) * | 1999-12-08 | 2002-09-03 | Fiber Innovation Technology, Inc. | Splittable multicomponent fibers containing a polyacrylonitrile polymer component |
| EP1209281A3 (en) * | 2000-11-27 | 2003-08-27 | Carl Freudenberg KG | Dyed or printed nonwoven |
| WO2002097187A1 (en) * | 2001-05-25 | 2002-12-05 | Carl Freudenberg Kg | Method for reducing pilling |
-
2002
- 2002-05-03 DE DE10219929A patent/DE10219929A1/en not_active Withdrawn
-
2003
- 2003-02-11 EP EP03002959A patent/EP1359244A3/en not_active Withdrawn
- 2003-04-25 US US10/423,665 patent/US20040045144A1/en not_active Abandoned
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4369156A (en) * | 1979-02-27 | 1983-01-18 | Akzona Incorporated | Process for the preparation of fibrillated fiber structures |
| US4342801A (en) * | 1979-12-20 | 1982-08-03 | Akzona Incorporated | Suede-like sheet material |
| US4560385A (en) * | 1983-05-25 | 1985-12-24 | Rhone-Poulenc Fibres | Process for the treatment of non-woven sheets and the product obtained |
| US5355565A (en) * | 1993-04-22 | 1994-10-18 | Freudenberg Spunweb S.A. | Process for the production of a non-woven cloth constituted of continuous interconnected filaments and cloth thus obtained |
| EP0814188A1 (en) * | 1996-06-17 | 1997-12-29 | Firma Carl Freudenberg | Nonwoven cloth made of very fine continuous filaments |
| DE19947870C1 (en) * | 1999-10-05 | 2001-05-10 | Freudenberg Carl Fa | Heel lining for the shoe industry |
| DE19962313C1 (en) * | 1999-12-23 | 2001-04-19 | Freudenberg Carl Fa | Nonwoven fabric, for use as bed linen, comprises bicomponent microfilaments of two incompatible polymers with good particle retention |
| DE10133769A1 (en) * | 2001-05-25 | 2002-12-05 | Freudenberg Carl Kg | Pilling Reduction Process |
| EP1336682A2 (en) * | 2002-02-18 | 2003-08-20 | Carl Freudenberg KG | Method for reducing pilling |
Also Published As
| Publication number | Publication date |
|---|---|
| US20040045144A1 (en) | 2004-03-11 |
| EP1359244A3 (en) | 2005-04-27 |
| DE10219929A1 (en) | 2003-12-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE2951307A1 (en) | SUEDE-LIKE AREA | |
| WO2003012194A1 (en) | Method for dyeing and/or printing textile material | |
| DE60110404T2 (en) | MULTI-COLORED FLOORING | |
| DE4000740A1 (en) | Low air permeable industrial woven material | |
| EP1359244A2 (en) | Method for improving the softness and /or the drape of nonwoven fabrics | |
| DE10129366B4 (en) | Nonwoven fabric dyed and / or printed with pigments, process for its preparation and textiles comprising same | |
| DE2127049A1 (en) | Patterned textile fabric, in particular knitted fabric, with a relief pattern and method for its production | |
| DE2430502A1 (en) | COTTON-FIBER JOINT WITH INCREASED ABSORPTION | |
| EP1336682A2 (en) | Method for reducing pilling | |
| DE10135940A1 (en) | A colored and/or printed nonwoven fabric, e.g. used in clothing production, comprises unsplit or partially split microfibers and/or microfilaments from polyester and polyamide components and is colored by azo dyestuffs | |
| DE2451300A1 (en) | PROCESS FOR MANUFACTURING A MULTICOLORED POLYESTER MATERIAL COLORED WITH ACID COLORS | |
| WO2002097187A1 (en) | Method for reducing pilling | |
| DE1032211B (en) | Process for dyeing polyamide fiber material | |
| DE10206842A1 (en) | Intense dyeing of difficultly-dyeable textiles, especially fleeces, containing polyamide/polyester mixed microfibers and/or microfilaments, involves pre-treatment with e.g. a polymer, followed by fixing | |
| DE10231315A1 (en) | Coloring mixed polyamide-polyester textile material, e.g. for clothing, involves dyeing with vat dye or sulfur dye under acid to neutral conditions and then under alkaline reducing conditions and then oxidizing the dye | |
| DE1619355C3 (en) | Process for dyeing or printing synthetic textile material | |
| DE102015114501A1 (en) | Colored textiles based on dyed m-aramid fibers, process for their preparation and their use | |
| DE10133769A1 (en) | Pilling Reduction Process | |
| DE3533535A1 (en) | Process for finishing yarns and textile sheet materials | |
| DE3523127C2 (en) | Polyester yarns dyed using the space dyeing process, their production and use | |
| WO2002064880A1 (en) | Method for improving the colour fastness of textile material made of plastics | |
| DE1594896B1 (en) | Process for improving the properties of polyacrylonitrile fiber products | |
| DE1909515C3 (en) | Process for continuous dyeing of polyester material | |
| DE1460722C (en) | Process for the finishing of fabric webs in which a fabric is strongly tensioned in the direction of one thread group and relieved in the direction of the other thread group | |
| DE2515105A1 (en) | Textile dyeing by spraying with solid particles of polymer contg dye - gives spots, stripes or streaks |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
| AK | Designated contracting states |
Kind code of ref document: A2 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT SE SI SK TR |
|
| AX | Request for extension of the european patent |
Extension state: AL LT LV MK RO |
|
| PUAL | Search report despatched |
Free format text: ORIGINAL CODE: 0009013 |
|
| AK | Designated contracting states |
Kind code of ref document: A3 Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT SE SI SK TR |
|
| AX | Request for extension of the european patent |
Extension state: AL LT LV MK RO |
|
| RIC1 | Information provided on ipc code assigned before grant |
Ipc: 7D 06M 10/00 B Ipc: 7D 06C 19/00 B Ipc: 7D 06B 3/28 A |
|
| AKX | Designation fees paid | ||
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
| 18D | Application deemed to be withdrawn |
Effective date: 20050901 |
|
| REG | Reference to a national code |
Ref country code: DE Ref legal event code: 8566 |