WO2002097187A1 - Procede pour reduire le boulochage - Google Patents

Procede pour reduire le boulochage Download PDF

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Publication number
WO2002097187A1
WO2002097187A1 PCT/EP2002/004184 EP0204184W WO02097187A1 WO 2002097187 A1 WO2002097187 A1 WO 2002097187A1 EP 0204184 W EP0204184 W EP 0204184W WO 02097187 A1 WO02097187 A1 WO 02097187A1
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WO
WIPO (PCT)
Prior art keywords
nonwoven fabric
treatment
polyamide
weight
aqueous alkali
Prior art date
Application number
PCT/EP2002/004184
Other languages
German (de)
English (en)
Inventor
Cornelia Kinscherf
Heike Bartl
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
Priority claimed from DE10133769A external-priority patent/DE10133769A1/de
Application filed by Carl Freudenberg Kg filed Critical Carl Freudenberg Kg
Publication of WO2002097187A1 publication Critical patent/WO2002097187A1/fr

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Classifications

    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
    • D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
    • D06P1/673—Inorganic compounds
    • D06P1/67333—Salts or hydroxides
    • D06P1/6735—Salts or hydroxides of alkaline or alkaline-earth metals with anions different from those provided for in D06P1/67341
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
    • D06M11/32—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond
    • D06M11/36—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond with oxides, hydroxides or mixed oxides; with salts derived from anions with an amphoteric element-oxygen bond
    • D06M11/38—Oxides or hydroxides of elements of Groups 1 or 11 of the Periodic System
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
    • D06M2101/16—Synthetic fibres, other than mineral fibres
    • D06M2101/30—Synthetic polymers consisting of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D06M2101/32—Polyesters
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
    • D06M2101/16—Synthetic fibres, other than mineral fibres
    • D06M2101/30—Synthetic polymers consisting of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D06M2101/34—Polyamides
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
    • D06M2101/16—Synthetic fibres, other than mineral fibres
    • D06M2101/30—Synthetic polymers consisting of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D06M2101/38—Polyurethanes
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
    • D06M2200/35—Abrasion, pilling or fibrillation resistance
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P3/00—Special processes of dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form, classified according to the material treated
    • D06P3/82—Textiles which contain different kinds of fibres
    • D06P3/8204—Textiles which contain different kinds of fibres fibres of different chemical nature
    • D06P3/8214—Textiles which contain different kinds of fibres fibres of different chemical nature mixtures of fibres containing ester and amide groups

Definitions

  • the present invention relates to a method for avoiding or at least reducing the pilling of nonwoven fabrics from 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, according to which the nonwoven fabric with aqueous Alkali is treated.
  • Textile materials made of synthetic polymers such as polyamide, polyester or polyurethane, which have been produced by the classic method of weaving warp and weft or by stitch formation, have been widely used in a wide variety of applications, for example because of their diverse excellent properties Clothing or the automotive industry.
  • Nonwovens which are produced by strengthening microfibers and / or microfilaments, in particular at least partially split microfibers and / or microfilaments, can be produced very inexpensively, but are only very suitable for a number of applications.
  • One of the reasons for this is that such nonwovens tend to form nodules, that is to say pilling. This results in an unsightly appearance of the nonwoven fabric, which renders the use of such nonwoven fabrics unusable for a number of applications or severely limits their possible uses.
  • Polyurethane component is reached.
  • This object is achieved by the method according to the invention for avoiding or at least reducing the pilling of nonwoven fabrics from 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, according to which the nonwoven fabric is treated with aqueous alkali.
  • the nonwoven fabric to be treated with aqueous alkali is used as untreated raw material.
  • the nonwoven fabric used according to the invention consists of at least one polyester component and at least one polyamide amide component, these two plastic components preferably in a ratio of 5 to 95% by weight of the Polyester component and 95 to 5% by weight of the polyamide component, preferably 15 to 85% by weight of the polyester component and 85 to 15% by weight
  • % of the polyamide component particularly preferably from 30 to 70% by weight of the
  • Polyester component and 70 to 30 wt .-% of the polyamide component are present.
  • the polyamide component is preferably selected from the group consisting 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 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 Kulkami, Colorage, August 21, 1986, pages 30-33.
  • the corresponding literature descriptions are hereby introduced as a reference and are considered part of the disclosure.
  • the nonwoven fabric can also preferably have a polyester based on lactic acid as the polyester component, as described in EP 1 091 028.
  • the corresponding description is hereby introduced as a reference and is considered part of the disclosure.
  • the titer of the microfibers and / or microfilaments of the nonwoven fabric is ⁇ 1 dtex.
  • the nonwoven fabric used according to the invention is preferably a staple fiber nonwoven fabric or spunbonded nonwoven fabric, particularly preferably a spunbonded nonwoven fabric.
  • Such nonwovens can in each case be produced by customary methods known to the person skilled in the art. The production of corresponding spunbonded nonwovens is described, for example, in EP 0 814 188. The corresponding description is hereby introduced as a reference and is considered part of the disclosure.
  • the nonwoven fabric used according to the invention preferably has a weight per unit area of 15 to 350 g / m 2 , particularly preferably 50 to 300 g / m 2 and very particularly preferably 80 to 200 g / m 2 .
  • the aqueous alkali used in the process according to the invention is preferably sodium hydroxide solution, potassium hydroxide solution or a mixture thereof, particularly preferably sodium hydroxide solution.
  • the process according to the invention can be carried out continuously, semi-continuously or batchwise.
  • the concentration of alkali can vary in the treatment of the nonwoven fabric by the process according to the invention, for example depending on the ratio of the different plastic components, the degree of splitting of the fibers or the type of process.
  • the person skilled in the art can determine the optimum alkali concentration for the respective nonwoven fabric and the respective procedure by means of simple preliminary tests.
  • the concentration of the alkali in the aqueous treatment solution is preferably 0.01 to 2 mol / l, preferably 0.1 to 1.9 mol / l, particularly preferably 0.15 to 1.75 mol / l.
  • the treatment time of the nonwoven varies and depends, among other things, on the pH of the treatment solution and / or the treatment temperature.
  • the method according to the invention for treating the nonwoven fabric can be carried out at elevated temperature, e.g. shorten the treatment time.
  • the treatment of the nonwoven fabric is preferably carried out at a temperature of from 15 to 240 ° C., particularly preferably from 40 to 210 ° C. and very particularly preferably from 60 to 120 ° C.
  • the treatment time with aqueous alkali is preferably 10 seconds to 600 minutes, particularly preferably from 15 seconds to 2 hours.
  • the treatment of the nonwoven fabric in addition to the application of the aqueous alkali, for example by padding, preferably also intermediate drying, fixation with dry heat or fixation with saturated steam or a combination of at least two of these further process steps within the above indicated treatment time and the above range for the treatment temperature.
  • the nonwoven fabric is preferably preferably rinsed and neutralized with an acidic, aqueous solution and optionally dried under the conditions mentioned above.
  • the nonwovens made of unsplit and / or at least partially split microfibers and / or microfilaments of synthetic polymers are also dyed or printed to design their appearance.
  • the treatment of the nonwoven fabric with aqueous alkali according to the invention is advantageously carried out in one process step during the dyeing or printing of the nonwoven fabric by customary dyeing or printing processes known to the person skilled in the art. By carrying out these process steps at the same time, the amount of waste water and the treatment time of such nonwovens can be reduced to reduce or avoid pilling and for dyeing or printing, so that they can be finished more cost-effectively.
  • the treatment with aqueous alkali can preferably be carried out together with the dyeing of the nonwoven fabric by the exhaust process, according to which the dye is drawn onto the nonwoven fabric from the alkalized dye bath.
  • the dyeing according to the exhaust process can preferably be carried out on a nozzle dyeing machine, a jigger or on a reel curve.
  • the nonwoven fabric can also preferably be treated with aqueous alkali together with the dyeing of the nonwoven fabric by a continuous process, for example the padding process, the padding steaming process or the padding heat setting process.
  • the treatment of the nonwoven fabric with aqueous alkali can also be carried out during the printing of the nonwoven fabric using customary processes known to the person skilled in the art, preferably according to a direct printing process, particularly preferably according to the flat film, rotary film, Rouleaux or ink jet printing process, or before printing the transfer printing process.
  • the treatment of the nonwoven fabric with aqueous alkali and the dyeing or printing of the nonwoven fabric can be followed by customary process steps known to the person skilled in the art.
  • the procedure in which the treatment with aqueous alkali is carried out during the dyeing with at least one vat and / or sulfur dye according to one of the dyeing or printing processes specified above is particularly suitable.
  • a reducing agent known to the person skilled in the art such as, for example, sodium hydrosulfite, is usually added to the alkaline treatment solution in order to dissolve the respective dye.
  • the dye After the dye has been applied to the microfibers and / or microfilaments of the nonwoven, it is converted back into the insoluble dye by oxidation using a conventional auxiliary known to the person skilled in the art, for example by hydrogen peroxide.
  • a conventional auxiliary known to the person skilled in the art, for example by hydrogen peroxide.
  • the corresponding dyes can also be added to the alkaline treatment solution in their dissolved form, ie in the form of corresponding leuco vat dyes or water-soluble sulfur dyes.
  • vat dye a dye selected from the group of the anthraquinones, indigoids or leucocubes ester dyes can be 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 introduced as a reference and is considered part of the disclosure.
  • the treatment of the nonwoven fabric with aqueous alkali can also take place during the dyeing or during the printing of the nonwoven fabric with at least one disperse dye.
  • Suitable disperse dyes which are stable with respect to aqueous alkali are known to the person skilled in the art.
  • the nonwovens used according to the invention can sometimes have poor color fastnesses, such as after dyeing or printing Show fastness to washing, light and perspiration, an uneven color drop within one batch, poor reproducibility of the color between different batches and dull, matt colors.
  • the inexpensive staple fiber or spunbonded nonwovens can be equipped with the process according to the invention with a minimal tendency to pilling and can be dyed and finished with an elegant sheen.
  • the nonwoven fabric treated by the method according to the invention is characterized by no or at least a reduced tendency to pilling in addition to good tear strength.
  • the pilling tendency of the nonwovens treated according to the method according to the invention is determined according to EN ISO 12945 according to method 1 and / or method 2 or determined according to DIN 53 867. The corresponding
  • wash fastness of the nonwovens treated and dyed according to the invention at 95 ° C. were determined according to EN ISO 105 C06-E2S, the sweat fastness (acidic and alkaline) according to EN ISO 105 E04 and the light fastness according to EN ISO 105 B02.
  • EN ISO 105 C06-E2S the sweat fastness (acidic and alkaline) according to EN ISO 105 E04
  • the light fastness according to EN ISO 105 B02. The corresponding descriptions are hereby introduced as a reference and are therefore considered part of the disclosure.
  • a spunbonded nonwoven fabric with a basis weight of 100 g / m 2 consisting of partially split microfilaments with a titer of approx. 0.15 dtex from 30% by weight of polyamide 66 and 70% by weight of polyethylene terephthalate was treated with an aqueous treatment solution containing 100 g / l of a 50 wt .-% NaOH padded. The liquor absorption was 100% by weight, based on the weight per unit area of the nonwoven used.
  • the treated nonwoven fabric was then dried at 120 ° C. for 90 seconds and then fixed with hot air at 220 ° C. for 90 seconds.
  • the nonwoven fabric treated in this way was then neutralized with 6 ml / l of 60% by weight acetic acid and rinsed with cold water.
  • the spunbonded nonwoven treated according to the invention exhibits excellent pilling behavior, determined in accordance with DIN 53 867.
  • Example 2 The spunbonded nonwoven treated according to the invention exhibits excellent pilling behavior, determined in accordance with DIN 53 867.
  • a spunbonded nonwoven fabric with a basis weight of 100 g / m 2 consisting of partially split microfilaments with a titer of approx. 0.15 dtex from 30% by weight of polyamide 66 and 70% by weight of polyethylene terephthalate was mixed with an aqueous treatment solution containing 21 ml / l of a 50 wt .-% NaOH treated for 80 minutes at 80 ° C.
  • the nonwoven fabric was then neutralized with acetic acid solution and rinsed with cold water.
  • the spunbonded nonwoven treated according to the invention exhibits excellent pilling behavior, determined in accordance with DIN 53 867.
  • a spunbonded nonwoven fabric with a basis weight of 100 g / m 2 consisting of partially split microfilaments with a titer of approx. 0.15 dtex from 30% by weight of polyamide 66 and 70% by weight of polyethylene terephthalate was mixed with an aqueous liquor of 60 g / l of vat dye Cl Vat Black 9 and dried at 120 ° C for 90 seconds.
  • the nonwoven fabric was then padded with 80 g / l of 50% by weight NaOH and 80 g / l sodium hydrosulfite.
  • the liquor absorption when the dye or NaOH / sodium hydrosulfite was applied was 100% by weight, based on the weight per unit area of the nonwoven used.
  • the nonwoven fabric was then dried for 90 seconds at 220 ° C. and then subjected to saturated steam treatment at 103 ° C. for 1 minute. Then an oxidation with 10 ml / l of 50% by weight hydrogen peroxide solution was carried out. The material thus obtained was then neutralized with 3 ml / l of 60% strength by weight acetic acid and then soaped at 70 ° C. for 20 minutes and rinsed with cold water.
  • Table 1 The wash, sweat and light fastness properties of the spunbonded fabric treated and dyed according to the invention are shown in Table 1 below.
  • the spunbonded nonwoven treated according to the invention is characterized by a reduced pilling behavior - determined according to DIN 53 867. The corresponding values are given in addition to the values for the untreated raw material in Tables 2 and 3 below.
  • a spunbonded nonwoven with a basis weight of 100 g / m 2 consisting of partially split microfilaments with a titer of approx. 0.15 dtex made of 30% by weight of polyamide 66 and 70% by weight of polyethylene terephthalate was used in a jet dyeing machine (Soft-TRD , Thies, Coesfeld, Germany) in the presence of 1 g / l of a defoamer based on a preparation of fatty acid ester, 1 g / l of a dispersant based on a naphthalene sulfonate, 2 g / l of a dispersant based on acrylate copolymers, 21 ml / l a 50% by weight NaOH, 8 g / l sodium hydrosulfite and 5% by weight (based on the weight of the raw material) of the vat dye Cl Vat Black 9 at a liquor ratio of 1:10.
  • the coloring took place within 30 minutes at 80 ° C. It was then rinsed with water, oxidized with 5 ml / l of a 30% strength by weight hydrogen peroxide solution at 60 ° C. for 15 minutes and soaped at 70 ° C. for 20 minutes and rinsed with cold water.
  • the wash, sweat and light fastness properties of the spunbonded fabric treated and dyed according to the invention are shown in Table 1 below.
  • the spunbonded nonwoven treated according to the invention is characterized by a reduced pilling behavior - determined according to DIN 53 867. The corresponding values are given in addition to the values for the untreated raw material in Tables 2 and 3 below.
  • Example 5
  • a spunbonded nonwoven with a basis weight of 100 g / m 2 consisting of partially split microfilaments with a titer of approx. 0.15 dtex made of 30% by weight of polyamide 66 and 70% by weight of polyethylene terephthalate was used in a jet dyeing machine (Soft-TRD , Thies, Coesfeld, Germany) in the presence of 1 g / l of a defoamer based on a preparation of fatty acid ester, 1 g / l of a dispersant based on a naphthalene sulfonate, 2g / l of a dispersant based on acrylate copolymers, 15 ml / l one 50% by weight NaOH, 8 g / l sodium hydrosulfite and 2% by weight (based on the weight of the raw material) of the vat dye Cl Vat Brown 3 colored at a liquor ratio of 1:10.
  • the coloring took place within 60 minutes at 95 ° C. It was then rinsed with water, oxidized with 5 ml / l of a 30% by weight hydrogen peroxide solution at 60 ° C for 15 minutes and soaped at 70 ° C for 20 minutes and rinsed with cold water.
  • the spunbonded nonwoven thus obtained exhibits excellent pilling behavior, determined in accordance with DIN 53 867.
  • the wash, sweat and light fastness of the spunbonded nonwoven are given in Table 1 below.
  • a printing paste consisting of 70 g / kg of the Vat Vat 2 vat dye, 800 g / kg of potato starch ether thickener and 130 g / kg of water was rotated onto a spunbonded nonwoven with a basis weight of 100 g / m 2 of partially split Microfilaments with a titer of approximately 0.85 dtex made of 50% by weight of polyamide 66 and 50% by weight of polyethylene terephthalate are applied.
  • the print was dried at 100 ° C.
  • the aqueous alkali and the reducing agent for the vat dye were then by means of Foulard applied.
  • the padding liquor used contained about 820 g / kg
  • the spunbonded nonwoven treated according to the invention exhibits excellent pilling behavior, determined in accordance with DIN 53 867.
  • the wash, sweat and light fastness of the spunbonded nonwoven treated and printed according to the invention are shown in Table 1 below.
  • a ready-made, undyed shirt made of a spunbonded nonwoven with a basis weight of 100 g / m 2 consisting of partially split microfilaments with a titer of approx. 0.85 dtex made of 50% by weight of polyethylene terephthalate and 50% by weight of polyamide 66 a drum dyeing machine with 1 g / l of a dispersant based on a naphthalene sulfonate, 0.5 g / l of a trisodium nitriloacetate complexing agent, 2 g / l of a dispersant based on acrylate copolymers, 4g / l of a carrier based on an N-alkyl-phthalimidecarboxylic acid compound, 3 g / l of a 80 wt% aqueous glucose, and 4 wt .-% (based on the starting weight of the raw material) Cottestren ® dark blue DBC (DyStar) at
  • the pH was adjusted to 4.5 with acetic acid. Starting at 60 ° C, the mixture was heated to 98 ° C at 2.5 ° C / min and stained at 98 ° C for 70 minutes. The mixture was then cooled to 80 ° C. at 2.5 ° C./minute, 1 g / l of a preparation based on fatty acid ester was added and 17 ml / l a 50% by weight NaOH and 9 g / l hydrosulfite plus 1.1 l of a 50
  • Tubing was dyed at 80 ° C for 30 minutes, cooled to 60 ° C at 2.5 ° C / minute, rinsed with water and oxidized with 2 g / l of an oxidizing agent for vat dyes based on nitrobenzenesulfonate at 60 ° C for 15 minutes. Finally, the dyed shirt was soaped at 70 ° C for 20 minutes and rinsed with cold water.
  • the shirt obtained in this way shows excellent pilling behavior, determined in accordance with DIN 53 867.
  • wetting agent based on a sulfonated fatty acid derivative, 20% by weight
  • the spunbonded nonwoven treated according to the invention shows an excellent pilling behavior determined according to DIN 53 867 and EN ISO 12945.
  • Table 1 Table 1 :
  • Tables 2 and 3 below show the test results according to DIN 53 867.
  • the random tumble-pilling test was carried out using the paddle method.
  • Table 2 below shows the assessment of the surface change according to Table 2.1.1. of DIN 53 867. The given ratings are mean values from 3 assessments. Table 3 below is the description of the

Abstract

L'invention concerne un procédé pour éviter ou au moins réduire le boulochage de non tissés constitués de microfibres non clivées et/ou au moins partiellement clivées et/ou de microfilaments de polymères synthétiques contenant au moins un composant polyester et au moins un composant polyamide, ainsi qu'éventuellement au moins un composant polyuréthanne. Selon ce procédé, le non tissé est traité avec des alcalis aqueux.
PCT/EP2002/004184 2001-05-25 2002-04-16 Procede pour reduire le boulochage WO2002097187A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE10125856.9 2001-05-25
DE10125856 2001-05-25
DE10133769A DE10133769A1 (de) 2001-05-25 2001-07-16 Verfahren zur Reduzierung des Pillings
DE10133769.8 2001-07-16

Publications (1)

Publication Number Publication Date
WO2002097187A1 true WO2002097187A1 (fr) 2002-12-05

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PCT/EP2002/004184 WO2002097187A1 (fr) 2001-05-25 2002-04-16 Procede pour reduire le boulochage

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Country Link
WO (1) WO2002097187A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1359244A3 (fr) * 2002-05-03 2005-04-27 Carl Freudenberg KG Procédé pour améliorer la douceur et/ou le drapé des textiles non tissés
ITUB20155848A1 (it) * 2015-11-24 2017-05-24 Anna Maria Marino Panno per rimuovere macchie di tintura per capelli dalla cute della persona
CN110846747A (zh) * 2019-11-18 2020-02-28 龙永芹 一种用于细纱机龙筋叶子板的擦纱板

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1231391B (de) * 1960-09-30 1966-12-29 Ici Ltd Verfahren zur Behandlung von orientierten synthetischen Polyesterfaeden oder -fasern
US4113430A (en) * 1976-10-04 1978-09-12 Milliken Research Corporation Method for modifying fibers of a fabric and the products so produced
US4270913A (en) * 1979-07-06 1981-06-02 Celanese Corporation Pill-resistant polyester fabrics
US4654911A (en) * 1984-04-11 1987-04-07 Wako Technical Research Co., Ltd. Process for degrading by hydrolysis textiles comprising polyester fiber or acetate fiber
WO1996022416A1 (fr) * 1995-01-17 1996-07-25 Milliken Research Corporation Procede de teinture d'un polyester a faible boulochage
EP0814188A1 (fr) * 1996-06-17 1997-12-29 Firma Carl Freudenberg Nappe nontissée formée de filaments continus très fins

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1231391B (de) * 1960-09-30 1966-12-29 Ici Ltd Verfahren zur Behandlung von orientierten synthetischen Polyesterfaeden oder -fasern
US4113430A (en) * 1976-10-04 1978-09-12 Milliken Research Corporation Method for modifying fibers of a fabric and the products so produced
US4270913A (en) * 1979-07-06 1981-06-02 Celanese Corporation Pill-resistant polyester fabrics
US4654911A (en) * 1984-04-11 1987-04-07 Wako Technical Research Co., Ltd. Process for degrading by hydrolysis textiles comprising polyester fiber or acetate fiber
WO1996022416A1 (fr) * 1995-01-17 1996-07-25 Milliken Research Corporation Procede de teinture d'un polyester a faible boulochage
EP0814188A1 (fr) * 1996-06-17 1997-12-29 Firma Carl Freudenberg Nappe nontissée formée de filaments continus très fins

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1359244A3 (fr) * 2002-05-03 2005-04-27 Carl Freudenberg KG Procédé pour améliorer la douceur et/ou le drapé des textiles non tissés
ITUB20155848A1 (it) * 2015-11-24 2017-05-24 Anna Maria Marino Panno per rimuovere macchie di tintura per capelli dalla cute della persona
WO2017089984A1 (fr) * 2015-11-24 2017-06-01 Marino Anna Maria Chiffon pour effacer des marques de colorant capillaire de la peau d'une personne
CN110846747A (zh) * 2019-11-18 2020-02-28 龙永芹 一种用于细纱机龙筋叶子板的擦纱板

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