EP4155438A1 - Lyocellfaser mit einem mattierungsmittel und verwendung zur herstellung eines textilen gewebes - Google Patents

Lyocellfaser mit einem mattierungsmittel und verwendung zur herstellung eines textilen gewebes Download PDF

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Publication number
EP4155438A1
EP4155438A1 EP21199580.8A EP21199580A EP4155438A1 EP 4155438 A1 EP4155438 A1 EP 4155438A1 EP 21199580 A EP21199580 A EP 21199580A EP 4155438 A1 EP4155438 A1 EP 4155438A1
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EP
European Patent Office
Prior art keywords
lyocell
fibre
fabric
fibres
yarn
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Withdrawn
Application number
EP21199580.8A
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English (en)
French (fr)
Inventor
Hale Bahar Öztürk
Julia ULRICH
Ramona Anja MAIER
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Lenzing AG
Original Assignee
Lenzing AG
Chemiefaser Lenzing AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Lenzing AG, Chemiefaser Lenzing AG filed Critical Lenzing AG
Priority to EP21199580.8A priority Critical patent/EP4155438A1/de
Priority to TW111136555A priority patent/TW202331036A/zh
Priority to PCT/EP2022/076890 priority patent/WO2023052380A1/en
Publication of EP4155438A1 publication Critical patent/EP4155438A1/de
Withdrawn legal-status Critical Current

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    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F2/00—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F1/00—General methods for the manufacture of artificial filaments or the like
    • D01F1/02—Addition of substances to the spinning solution or to the melt
    • D01F1/10—Other agents for modifying properties
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D1/00—Woven fabrics designed to make specified articles
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
    • D03D15/20—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads
    • D03D15/208—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads cellulose-based
    • D03D15/225—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads cellulose-based artificial, e.g. viscose
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
    • D03D15/50—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads
    • D03D15/54—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads coloured
    • D—TEXTILES; PAPER
    • D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2501/00—Wearing apparel
    • D10B2501/04—Outerwear; Protective garments

Definitions

  • the present invention relates to a lyocell fibre comprising a matting agent, the use of said lyocell fibre for the production of a textile fabric and a textile fabric comprising said lyocell fibre.
  • Cotton is the most widely used natural cellulosic fibre for the production of textile fabrics. Although cotton is a very resistant fibre and can be subjected to aggressive and harsh treatments (e.g. denim laundry, etc.), its mechanical and haptic properties (e.g. handfeel, softness, etc.) are not always ideal in some applications.
  • Cellulosic man-made fibres can completely or partially replace cotton fibres in many applications.
  • Suitable cellulosic man-made fibres in this regard include regenerated cellulose fibres such as viscose and modal or solvent-spun cellulosic fibres such as lyocell.
  • Lyocell fibres are particularly suitable as a replacement for cotton due to their mechanical properties (such as high strength) and other properties (e.g. moisture management, grip, etc.). Especially in terms of handfeel and softness, lyocell fibres are regarded as superior to cotton. Lyocell fibres, however, have a high gloss which is undesirable for certain applications or for fashion reasons.
  • the invention has the object of providing a lyocell fibre which has a similar appearance to cotton, while retaining its mechanical strength and other properties, such as handfeel, softness, etc., that can be produced cost-efficiently.
  • the matting agent may contain between 2 wt.- % and 5 wt.-% BaSO 4 and less than 1 wt.-% TiO 2 , with respect to fibre weight, whereby the matting agent is incorporated in the fibre matrix in the form of particulates.
  • the present invention also solves the stated object by using the inventive fibre for the production of a textile fabric according to claim 6.
  • the present invention solves the stated object by providing a textile fabric according to claim 8 and a textile artic according to claim 14.
  • the matting agent comprises between 2 wt.-% and 5 wt.-% BaSO 4 and less than 1 wt.-% TiO 2 , whereby the matting agent is incorporated in the fibre matrix in the form of particulates.
  • the wt.-%-values of BaSO 4 and TiO 2 are specified with respect to the fibre weight.
  • the matting agent comprises between 3 wt. % and 5 wt.-% BaSO 4 and between 0.5 wt.-% and 0.9 wt.-% TiO 2 , with respect to the fibre weight.
  • the matting agent comprises between 3.5 wt.-% and 4.5 wt.-% BaSO 4 , more preferably between 3.8 wt.-% and 4.2 wt.-% BaSO 4 , and between 0.6 wt.-% and 0.8 wt.-% TiO 2 , with respect to the fibre weight.
  • the BaSO 4 particulates may have a particle size distribution defined by an x 50 lower than 1.5 ⁇ m and an x 99 lower than 4 ⁇ m.
  • the TiO 2 particulates may have a particle size distribution defined by an x 50 lower than 1 ⁇ m and an x 99 lower than 2 ⁇ m.
  • the x 50 -value represents the mean particle size of the particle size distribution
  • the x 99 -value represents the particle size, where 99% of all particles are smaller than x 99 .
  • the matting agent is added to the cellulose solution (i.e. the lyocell spinning mass) prior to spinning of the fibres. Therefore, the matting agent is preferably added to the spinning mass in the form of a suspension, where BaSO 4 and optionally TiO 2 particulates are dispersed in water beforehand with the help of a dispersion device.
  • inventive lyocell fibres exhibit a titre from 1.1 dtex to 2.5 dtex, preferably from 1.3 dtex to 2.0 dtex.
  • inventive lyocell fibres as described above may advantageously be used for the manufacture of a textile fabric.
  • the manufacture of the fabric comprises spinning a yarn using the lyocell fibre and dyeing at least a part of the yarn, more particularly with an indigo dye.
  • lyocell fibres or fabrics made thereof When dyeing lyocell fibres or fabrics made thereof, in particular with indigo dyes (indigo dyestuff), the natural shine of the fibres is further increased. Lyocell fibres have a natural shine due to the intrinsic fibre properties (e.g., smooth cross-section). The combination of lyocell fibres with brilliant colours (e.g., indigo, reactive, direct, or other dye-colours) bring about a shiny fabric surface. As indigo lyocell fabrics have more sheen than indigo cotton fabrics, a matte version of such lyocell denim fabrics is sought after in the fashion industry.
  • indigo lyocell fabrics have more sheen than indigo cotton fabrics, a matte version of such lyocell denim fabrics is sought after in the fashion industry.
  • denim refers to a category of fabrics, which are not only characterized by the weave- or binding type but show a characteristic combination of properties. While for traditional denim fabrics a twill weave was used, other types of textile bindings (such as canvas or satin weave) have also become established in the modern textile industry. However, all denim fabrics are characterized by a robust woven fabric with dyed warp yarns and undyed weft yarns, whereby the warp is surface dyed, but the core of the warp remains undyed, which results in fading characteristics typical for denim. Due to the warp-faced weaving, denim is coloured on the outside and white (i.e., undyed) on the inside. Thereby, preferably indigo dyes are used for dyeing the warp.
  • a very common denim fabric is a woven fabric in which the warp contains indigo dyed cotton yarn while the weft contains undyed cotton yarn. Variations in denim fabric are however limitless e.g.: the weft yarn may contain dyed fibre (e.g., spun-dyed), the indigo dyed warp yarn can be overdyed with sulphur dyes, etc.
  • Denim fabrics are also limitless, such as knit fabrics (e.g., circular, flat or seamless knits) containing indigo dyed cotton yarn.
  • Alternative to cotton, other cellulosic yarns such as lyocell, modal, viscose, etc. can also be used for indigo dyeing.
  • Denim fabrics have the ability to get wash-down/used look during garment laundries (ozone, laser, etc) thanks to indigo and other dischargeable dyestuffs.
  • inventive fibres By using the inventive fibre for spinning a yarn and subsequently dyeing at least part of the yarn, the advantages of the inventive fibre may be fully utilized.
  • inventive fibres provide a matte appearance similar to cotton, even after dyeing. This is further demonstrated on behalf of several examples below.
  • the first and second yarn may be interweaved to form a woven fabric, where the first yarn is a warp and the second yarn is a weft or vice-versa.
  • the woven fabric may be a twill fabric, a canvas fabric, a statin fabric or the like.
  • the woven fabric may be a 2/1 twill fabric with a basis weight between 100 g/m 2 and 300 g/m 2 , preferably between 150 g/m 2 and 250 g/m 2 , more preferably between 175 g/m 2 and 225 g/m 2 .
  • the warp having between 20 and 60 ends/cm, preferably between 30 and 50 ends/cm, more preferably between 32 and 48 ends/cm.
  • the weft having between 10 and 35 picks/cm, preferably between 15 and 30 picks/cm, more preferably between 18 and 28 picks/cm.
  • Such a twill fabric may show excellent opacity and matte properties in both undyed and dyed state (using a wide variety of different dyes). Further, such fabric shows a high smoothness and softness, comparable to standard lyocell fibres.
  • the second yarn also comprises lyocell fibres according to any of claims 1 to 5.
  • the second yarn can also comprise cotton fibres or other cellulosic fibres, such as man-made cellulosic fibres, or synthetic fibres, such as polyester, etc.
  • the fabric has a wrinkle recovery rate of 60 % or greater.
  • the textile fabric has an opacity of 0.75 or greater, more preferably of 0.8 or greater.
  • the fabric is a denim fabric and the first yarn comprises an indigo dye on its surface. Due to the matted effect of the inventive fibres, denim fabrics made of said fibres have a solid matte effect, which can remain even after dyeing the fabrics with indigo dyestuff Thus, the inventive fibre is perfectly suited for the application in indigo textiles, such as denim.
  • the first and or second yarn are reactive dyed, direct dyed or vat dyed.
  • the advantages of the inventive fibres are also obtained when dyeing with reactive dyes, direct dyeing or dyeing with vat dyes.
  • Such fabrics as described above may advantageously used in textile articles, such as jeans, shirts, t-shirts, dresses, trousers, jackets, or the like.
  • the textile fabrics are compared with equivalent fabrics made from standard (unmatted) lyocell fibres and cotton fibres.
  • a white undyed woven twill fabric was produced from a lyocell (CLY) fibre containing approx. 4 wt.-% BaSO 4 and approx. 0.75 wt.-% TiO 2 as matting agent according to the present invention (furthermore referred to as "CLY Matte twill fabric").
  • CLY lyocell
  • the lyocell fibre thereby had a titre of 1.7 dtex and a staple length of 38 mm.
  • Fabric construction was a 2/1 twill with a basis weight of approx. 200 g/m2, warp: 38 ends/cm, weft: 20 picks/cm.
  • Yarn properties were approx. Ne 20 for warp and Ne 24 for weft.
  • CLY Std. twill fabric For comparison, a standard lyocell fibre with a titre of 1.3 dtex and a staple length of 38 mm was used to produce a 2/1 twill fabric with properties as defined above (referred to as "CLY Std. twill fabric").
  • a denim woven twill fabric was produced from a lyocell fibre containing the same amounts and characteristics of matting agents as specified in Example 1 (referred to as "CLY Matte denim fabric").
  • the lyocell fibre also had a titre of 1.7 dtex and a staple length of 38 mm.
  • Fabric construction was a 2/1 twill with a basis weight of approx. 200 g/m2, warp: 42 ends/cm, weft: 25 picks/cm. The warp has been indigo-dyed and the weft is left undyed.
  • CLY Std. denim fabric and “Cotton denim fabric” with properties as defined above.
  • the matte property of the fabrics of Examples 1 and 2 were evaluated visually by conducting an internal survey and, second, by analysing the CIELCh colour space (the CIELCh colour space is defined by the International Commission on Illumination).
  • Fig. 1a the results of visual evaluation of fabrics according to Example 1 is shown. On the left, the survey of the white cotton twill fabric is shown; in the centre, the survey of the inventive white lyocell twill fabric with matting agent is shown and on the right, the survey of the standard lyocell twill fabric is shown.
  • the white cotton twill fabric is perceived by 43 % of people as dull (1) and by 41 % of people as more or less dull (2). 0 % of people perceived the cotton twill fabric as shiny (5).
  • the inventive matted lyocell twill fabric according to Example 1 is perceived by 43 % of people as neither dull nor shiny (3) and by 22 % of people as more or less dull (3). 7 % perceived it as dull (1), while 10 % perceived it as shiny (5).
  • the standard lyocell twill fabric is perceived by 47 % of people as more or less shiny (4) and by even 12 % as shiny (5). 0 % considered the standard lyocell fabric as dull (1).
  • Fig. 1b the results of visual evaluation of fabrics according to Example 2 is shown.
  • the survey of the cotton denim fabric is shown; in the centre, the survey of the inventive lyocell denim fabric with matting agent is shown; on the right, the survey of the standard lyocell denim fabric is shown.
  • Example 1 and Example 2 fabrics are analysed by means of CieLCh colour space. All measurements are performed using a D65 light source under 10° angle.
  • the L ⁇ C ⁇ h colour space is preferred by some industry professionals because its system correlates well with how the human eye perceives colour. It has the same diagram as the L ⁇ a ⁇ b ⁇ colour space but uses cylindrical coordinates instead of rectangular coordinates.
  • L indicates lightness
  • C represents chroma
  • h is the hue angle.
  • the value of chroma C is the distance from the lightness axis L and starts at 0 in the centre.
  • Hue angle starts at the +a axis and is expressed in degrees (e.g., 0° is +a, or red, and 90° is +b, or yellow).
  • the L-axis describes the lightness (luminance) of the colour. Positive L means that product has lighter colour. Negative L means that product has darker colour.
  • the C-axis describes the chroma of a colour. Higher values mean brighter colour and lower value means duller colour.
  • the h-axis describes the wrinkle hue.
  • Table 1 the CieLCh-Values for inventive lyocell matte, lyocell std. and cotton denim fabrics according to Example 2 are presented. The values are represented as ⁇ -values with respect to the lyocell std. values as a reference. From said ⁇ -values, changes in the parameters can be easily discerned.
  • Table 1 CieLCh-Values for Example 2 denim fabrics Fabric type CIE L CIE a CIE b CIE C CIE h CIE Y CLY Std. denim 26.91 0.55 -7.54 7.56 274.19 5.06 Cotton denim 23.63 0.39 -4.75 4.76 274.25 9.37 CLY Matte denim 29.19 -0.19 -7.03 7.03 273,46 7.52
  • the white twill fabrics according to Example 1 were dyed with either red, black and blue reactive dyestuffs, blue, green and orange direct dyes or yellow and red vat dyes at same dyeing conditions but at separate dyebaths, so that fibre property was the only differing parameter.
  • Table 2 shows CieLCh values of lyocell matte, lyocell standard and cotton fabrics, respectively for the different dyes. Higher L-values of inventive lyocell matte fabric for almost all dyes/colours than for lyocell standard fabric proves less lightness/shininess of matte lyocell compared to standard lyocell. Dyed cotton fabric was found to have least lightness/shininess compared to matte lyocell and standard lyocell.
  • Figures 2a-2c show the CIE LCh-Plots for reactive dyed textiles
  • Figures 2d-2f show the CIE LCh-Plots for direct dyed textiles
  • Figures 2g-2h show the CIE LCh-Plots for VAT dyed textiles, respectively.
  • Table 2 CieLCh-Values for Example 1 twill fabrics dyed with different dyes (reactive dyes, direct dyes or VAT dyes) Dye / Fabric type CIE L CIE a CIE b CIE C CIE h CIE Y Red reactive dye CLY Std.
  • Figures 3a-3d show the determination of the gloss value of fabrics according to Examples 1 and 2 at 60° and 85°, respectively.
  • the gloss value was determined according to DIN EN ISO 2813:2015-02 by means of a reflectometer REFO 3-D of Dr. Lange Company.
  • the test was carried out on the sample on the right side of the goods (marked by the weaver). 10 measurements per angle setting were carried out on the sample material on a non-reflective background (black spectrometer paper). The measurements were made longitudinally, diagonally and transversely to the warp/weft direction of the material. The sample was air-conditioned at 20 °C, 65 % relative humidity for at least 24 h prior to the measurements
  • Opacity in the context of the present invention refers to the opacity or opaqueness of the investigated textiles.
  • the opacity is indicated as a unitless number between 0 and 1 (or 0% and 100%), whereby perfect transparency is present at 0, which decreases with increasing value. At 1, the respective material is completely opaque.
  • opacity has been determined at a wavelength of 570 nm with a Konica Minolta CM600d spectrophotometer (Q425F168, Inv. No. 71559) including accessory set for calibration.
  • Enclosed computer (laptop) with SpectramagicNX software was used for evaluation. Measurements have been calibrated using TQC-Test (Chart Art. No. VF2345 Batch No. 227270) and Green tile CM-A101GN.
  • Opactiy values were determined with the above setup following NWSP060.4.R0.20 (defined for measuring opacity of nonwovens).
  • Table 3 the measured opacity-values for undyed twill fabrics according to Example 1, as described above, are shown. Therein it can be discerned, that the twill fabric made from the inventive lyocell matte fibres has the highest opacity, similar to the twill fabric made from cotton. Both have a significantly higher opacity than the fabric made from lyocell std. fibres.
  • Table 3 Opacity-values for undyed twill fabrics according to Example 1 Fabric type Opacity CLY Std. twill 0.74 ⁇ 0.01 Cotton twill 0.81 ⁇ 0.01 CLY Matte twill 0.83 ⁇ 0.01
  • Figs. 4a - 4d SEM (scanning electron microscopy) images of the surface ( Fig. 4a, 4b ) and cross-section ( Fig. 4c, 4d ) of the lyocell matte fibres according to the present invention are depicted.
  • FIG. 4e an SEM image of the surface of lyocell standard fibres is shown, and in Fig. 4e , the cross-section of a cotton fibre is depicted.
  • the SEM images clearly show that the fibre surface is smooth without any visible defects caused by the incorporation of matting agents. This can also be discerned from the cross-section images, which show a smooth regular shape and cross-section without visible defects, as would be expected from lyocell fibres.
  • the matting agent is finely dispersed in the fibre matrix and does not form agglomerations or the like.
  • Yarn configurations for all fibres were: Ne 20 (Nm 34, 300 dtex), 661T/m.
  • Strength- and elongation-values are given in Table 6, respectively.
  • Table 6 Yarn strength and elongation values Yarn type Yarn strength (cN/tex) Yarn elongation (%) CLY Std. yarn 28.1 ⁇ 0.5 6.9 ⁇ 0.5 Cotton yarn 15.8 ⁇ 0.5 6.3 ⁇ 0.5 CLY Matte yarn 16.4 ⁇ 0.5 10.0 ⁇ 0.5
  • Softness and surface properties (roughness/smoothness) of undyed woven twill fabrics (Ne 20/1, 110 gsm) using the lyocell matte fibre (CLY Matte) according to the present invention and comparative fabric using standard lyocell fibre (CLY Std.) and cotton fibre were measured by a Tissue Softness Analyzer (TSA type B0458) device manufactured by Emtec Electronic (Germany).
  • TSA Tissue Softness Analyzer
  • the analysis of fabrics by use of TSA is well known to the skilled person (see e.g.: Abu-Rous et al., J Fashion Technol Textile Eng 2018, S4 ).
  • the rotating part of the TSA generates noise while moving over the fabric surface, which is captured by a microphone and analysed into its amplitude signals.
  • the signal peak (in dB V 2 rms) at 750 Hz (TS750) is a measure for the fabric vibration under the rotating part and should correlate with fabric smoothness, while the peak at 6500 Hz (TS7) occurs through the vibration on the rotating part itself while moving above the fabric surface and is considered a measure for the softness of surface fibres.
  • Fig. 5 shows measured TSA spectra of the undyed woven twill fabrics for Cotton, CLY Std. and inventive CLY Matte fibres.
  • the results extracted from the spectra are also summarised in Table 8.
  • Higher TS750 and TS7 peaks correspond to lower smoothness and lower softness, respectively.
  • Twill fabrics made from cotton fibres on the other hand show increased roughness and reduced softness.
  • Tissue Softness Analyser Test results for undyed woven twill fabrics Fabric type TS7 TS750 D (mm/N) CLY Std. twill 13.325 ⁇ 0.4 32.592 ⁇ 2.9 1.76 ⁇ 0.03 Cotton twill 18.915 ⁇ 1.6 73.543 ⁇ 6.4 1.41 ⁇ 0.05 CLY Matte twill 11.651 ⁇ 1.2 34.874 ⁇ 2.5 1.42 ⁇ 0.02

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Woven Fabrics (AREA)
  • Artificial Filaments (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)
EP21199580.8A 2021-09-28 2021-09-28 Lyocellfaser mit einem mattierungsmittel und verwendung zur herstellung eines textilen gewebes Withdrawn EP4155438A1 (de)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP21199580.8A EP4155438A1 (de) 2021-09-28 2021-09-28 Lyocellfaser mit einem mattierungsmittel und verwendung zur herstellung eines textilen gewebes
TW111136555A TW202331036A (zh) 2021-09-28 2022-09-27 含有消光劑之萊賽爾纖維及其用於製造紡織織物之用途
PCT/EP2022/076890 WO2023052380A1 (en) 2021-09-28 2022-09-28 Lyocell fibre comprising a matting agent and its use for the production of a textile fabric

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP21199580.8A EP4155438A1 (de) 2021-09-28 2021-09-28 Lyocellfaser mit einem mattierungsmittel und verwendung zur herstellung eines textilen gewebes

Publications (1)

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EP4155438A1 true EP4155438A1 (de) 2023-03-29

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EP21199580.8A Withdrawn EP4155438A1 (de) 2021-09-28 2021-09-28 Lyocellfaser mit einem mattierungsmittel und verwendung zur herstellung eines textilen gewebes

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EP (1) EP4155438A1 (de)
TW (1) TW202331036A (de)
WO (1) WO2023052380A1 (de)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5895795A (en) * 1995-03-04 1999-04-20 Akzo Nobel Nv Composition containing fine solid particles
WO2010144925A1 (en) 2009-06-15 2010-12-23 Lenzing Ag Ultraviolet protective fabrics based on man-made cellulosic fibres
WO2019068476A1 (en) * 2017-10-06 2019-04-11 Lenzing Aktiengesellschaft DENIM WITH LYOCELLULAR FILAMENTS
EP3511371A1 (de) * 2018-01-15 2019-07-17 Lenzing Aktiengesellschaft Wiederverwendung von nichtlöslichen partikeln aus einem cellulose aufweisenden ausgangsstoff
WO2019170670A1 (en) * 2018-03-06 2019-09-12 Lenzing Aktiengesellschaft Solvent-spun cellulosic fibre

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5895795A (en) * 1995-03-04 1999-04-20 Akzo Nobel Nv Composition containing fine solid particles
WO2010144925A1 (en) 2009-06-15 2010-12-23 Lenzing Ag Ultraviolet protective fabrics based on man-made cellulosic fibres
WO2019068476A1 (en) * 2017-10-06 2019-04-11 Lenzing Aktiengesellschaft DENIM WITH LYOCELLULAR FILAMENTS
EP3511371A1 (de) * 2018-01-15 2019-07-17 Lenzing Aktiengesellschaft Wiederverwendung von nichtlöslichen partikeln aus einem cellulose aufweisenden ausgangsstoff
WO2019170670A1 (en) * 2018-03-06 2019-09-12 Lenzing Aktiengesellschaft Solvent-spun cellulosic fibre

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
ABU-ROUS ET AL., J FASHION TECHNOL TEXTILE ENG, 2018, pages S4

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WO2023052380A1 (en) 2023-04-06
TW202331036A (zh) 2023-08-01

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