EP0703310A1 - Process for decatizing a textile fabric - Google Patents

Process for decatizing a textile fabric Download PDF

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Publication number
EP0703310A1
EP0703310A1 EP95113963A EP95113963A EP0703310A1 EP 0703310 A1 EP0703310 A1 EP 0703310A1 EP 95113963 A EP95113963 A EP 95113963A EP 95113963 A EP95113963 A EP 95113963A EP 0703310 A1 EP0703310 A1 EP 0703310A1
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Prior art keywords
mean
sample
standard deviation
follower
decatizing
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German (de)
French (fr)
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EP0703310B1 (en
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Hubert Becker
Josef Becker
Matthias Becker
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    • 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
    • D06C7/00—Heating or cooling textile fabrics
    • 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
    • D06B19/00—Treatment of textile materials by liquids, gases or vapours, not provided for in groups D06B1/00 - D06B17/00
    • D06B19/0005—Fixing of chemicals, e.g. dyestuffs, on textile materials
    • D06B19/0029—Fixing of chemicals, e.g. dyestuffs, on textile materials by steam
    • 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
    • D06C15/00—Calendering, pressing, ironing, glossing or glazing textile fabrics
    • D06C15/06—Calendering, pressing, ironing, glossing or glazing textile fabrics between rollers and co-operating moving surfaces formed of flexible material, e.g. bands

Definitions

  • the invention relates to a method for decatating a textile fabric from or using a substantial proportion of wool fibers.
  • the textile fabric is wound up on a perforated decatizing cylinder together with a follower and the winding thus formed is subjected to heat treatment in an autoclave.
  • the winding is optionally formed outside the decatizing autoclave, whereupon the winding is introduced into the autoclave or inside the decating autoclave, so that there is no need to transport the winding back and forth, since after the decatizing treatment has ended, the textile material with the follower of that in the autoclave remaining decatizing cylinder is withdrawn.
  • DE-AS 17 85 460 For the other advantages in terms of pressure and dimensions of the winding assembly and dismantling within the autoclave, reference is made to DE-AS 17 85 460.
  • a disadvantage common to all previously known decating processes results from the web material used as a follower, the width and length dimensions of which must correspond to those of the textile fabric to be decated.
  • the follower is exposed to high pressures and temperatures as well as moisture and residual chemicals, in particular acids from carbonization, reducing agents, surface fixing agents and the like, which have an overall damaging effect on the follower.
  • high-quality technical fabric is used.
  • the follower In order to meet the mechanical and chemical requirements, the follower must be robust, it is therefore relatively thick and has a correspondingly high basis weight.
  • the thickness of the follower favors unwanted markings on the tissue to be decatated and also causes heat build-up, which can cause an uneven treatment result.
  • the follower thickness also limits the loading capacity of the decatizing autoclave for the textile fabric to be treated.
  • the invention has for its object to improve a decatizing method of the type described in the introduction so that the method can be carried out more economically than conventional decatizing methods and also enables better quality treatment results.
  • the fabric to be used as a follower according to the method according to the invention can consist, for example, of an inexpensive thin nonwoven fabric which is made of synthetic polypropylene or polyethylene fibers or the like, the fibers being connected to one another in the manner of a needle felt or else by chemical or thermal bonding can.
  • What is essential is the low basis weight of the idler used and its good water vapor permeability.
  • high mechanical strength can be dispensed with because the low costs which the production of the follower causes, while maintaining the economy, allows the follower to be exchanged for a new follower after only a few uses.
  • suitable, inexpensive, commercially available sheet material that is suitable as a follower is recyclable and can therefore also be repeatedly processed into new follower material.
  • the tissue is wound onto the perforated decatizing cylinder with a residual moisture content of 10 to 100% by weight and is exposed to the heat treatment in this state.
  • a particular advantage of this process is that, after dyeing and before the decatizing process, textile fabrics wound up and to be decated do not require intermediate drying, but only have to be squeezed to the desired residual moisture.
  • intermediate drying is indispensable because the high follower density causes overheating backlogs in a damp textile fabric.
  • an embodiment of the method according to the invention provides that the residual moisture of the textile fabric located in the autoclave, which is required during the treatment period, is maintained and regulated by an external steam supply.
  • both decatizing processes the worsted fabric was introduced into the decatizing autoclave in a dry state.
  • both the decatizing processes consistently added 100% by weight of steam.
  • Sample I Chain Mean x 1.5; Standard deviation s 0.02 Shot Mean x 1.4; Standard deviation s 0.05
  • Sample II Chain Mean x 0.6; Standard deviation s 0.02 Shot Mean x 0.6; Standard deviation s 0.02 6. Maximum tensile strength elongation at 500 cN / cm in%
  • Sample I Chain Mean x 3.7; Standard deviation s 0.19 Shot Mean x 5.7; Standard deviation s 0.10
  • Sample II Chain Mean x 6.7; Standard deviation s 0.28 Shot Mean x 7.9; Standard deviation s 0.50 7.
  • Sample I Mean x 0.756; Standard deviation s 0.012
  • Sample II Mean x 0.690; Standard deviation s 0.026
  • Sample I Mean x 1.38; Standard deviation s 0.00 Sample II: Mean x 1.25; Standard deviation s 0.03
  • the thickness was measured according to DIN 53855 and the urea bisulfite solubility according to IWTO (International Wool Technical Organization) 11-64.
  • the surface wrinkling was carried out based on the Aku method (cylinder wrinkle method) with 3.5 kg loading weight and 25 min loading duration.
  • a comparison of the mean values of the test results shows that a surprising improvement in the quality of a textile fabric can be achieved in many ways with the decatizing method according to the invention.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)
  • Nonwoven Fabrics (AREA)
  • Superconductors And Manufacturing Methods Therefor (AREA)
  • Storage Of Web-Like Or Filamentary Materials (AREA)

Abstract

A textile fabric, opt. with an appreciable portion of wool fibres, is decatised in an autoclave together with a covering fabric while wound round a perforated decatising drum. The covering fabric is a surface structure of non-oriented fibres weighing less than 80 gm<-2> and having a water vapour permeability of more than 3500 gm<-2>/24 hours.

Description

Die Erfindung betrifft ein Verfahren zum Dekatieren eines Textilgewebes aus oder unter Mitverwendung eines wesentlichen Anteils an Wollfasern. Dabei wird das Textilgewebe zusammen mit einem Mitläufer auf einem perforierten Dekatierzylinder aufgewickelt und der so gebildete Wickel in einem Autoclaven einer Wärmebehandlung ausgesetzt.The invention relates to a method for decatating a textile fabric from or using a substantial proportion of wool fibers. The textile fabric is wound up on a perforated decatizing cylinder together with a follower and the winding thus formed is subjected to heat treatment in an autoclave.

Bei allgemein bekannten Dekatierverfahren erfolgt die Wickelbildung wahlweise außerhalb des Dekatierautoklaven, woraufhin der Wickel in den Autoklaven eingebracht wird oder innerhalb des Dekatierautoklaven, so daß ein Hin- und Hertransport des Wickels entfällt, da nach Beendigung der Dekatierbehandlung das Textilgut mit dem Mitläufer von dem im Autoklaven verbleibenden Dekatierzylinder abgezogen wird. Zu den übrigen druck- und abmessungstechnischen Vorteilen des Wickelauf- und -abbaues innerhalb des Autoklaven wird auf die DE-AS 17 85 460 verwiesen.In the case of generally known decatizing processes, the winding is optionally formed outside the decatizing autoclave, whereupon the winding is introduced into the autoclave or inside the decating autoclave, so that there is no need to transport the winding back and forth, since after the decatizing treatment has ended, the textile material with the follower of that in the autoclave remaining decatizing cylinder is withdrawn. For the other advantages in terms of pressure and dimensions of the winding assembly and dismantling within the autoclave, reference is made to DE-AS 17 85 460.

Ein allen bisher bekannten Dekatierverfahren gemeinsamer Nachteil resultiert aus dem dabei als Mitläufer verwendeten Bahnmaterial, dessen Breiten- und Längenabmessungen denen des zu dekatierenden Textilgewebes entsprechen müssen. Dabei ist der Mitläufer hohen Drücken und Temperaturen sowie Feuchtigkeit und Restchemikalien, insbesondere Säuren aus der Carbonisur, Reduktionsmitteln, Flächenfixiermitteln und dergleichen ausgesetzt, die insgesamt eine schädigende Wirkung auf den Mitläufer ausüben. Damit der Mitläufer zumindest über eine limitierte Einsatzdauer seine Haltbarkeit aufrechterhält, wird dafür hochwertiges technisches Gewebe eingesetzt. Dies ist aber nicht nur kostspielig, sondern mit wesentlichen weiteren Nachteilen behaftet. Um den mechanischen und chemischen Anforderungen zu entsprechen, ist der Mitläufer robust auszuführen, fällt dadurch relativ dick aus und hat ein entsprechend hohes Flächengewicht. Die Dicke des Mitläufers begünstigt unerwünschte Markierungen auf dem zu dekatierenden Gewebe und bewirkt aber auch Hitzestaus, die eine Ungleichmäßigkeit im Behandlungsergebnis hervorrufen können. Schließlich schränkt die Mitläuferdicke aber auch die Ladekapazität des Dekatierautoklaven für das zu behandelnde Textilgewebe ein.A disadvantage common to all previously known decating processes results from the web material used as a follower, the width and length dimensions of which must correspond to those of the textile fabric to be decated. The follower is exposed to high pressures and temperatures as well as moisture and residual chemicals, in particular acids from carbonization, reducing agents, surface fixing agents and the like, which have an overall damaging effect on the follower. To ensure that the follower maintains its durability at least for a limited period of time, high-quality technical fabric is used. However, this is not only expensive, but also has significant further disadvantages. In order to meet the mechanical and chemical requirements, the follower must be robust, it is therefore relatively thick and has a correspondingly high basis weight. The thickness of the follower favors unwanted markings on the tissue to be decatated and also causes heat build-up, which can cause an uneven treatment result. Finally, the follower thickness also limits the loading capacity of the decatizing autoclave for the textile fabric to be treated.

Der Erfindung liegt die Aufgabe zugrunde, ein Dekatierverfahren der eingangs beschriebenen Art so zu verbessern, daß sich das Verfahren gegenüber konventionellen Dekatierverfahren wirtschaftlicher durchführen läßt und zudem auch qualitativ bessere Behandlungsergebnisse ermöglicht.The invention has for its object to improve a decatizing method of the type described in the introduction so that the method can be carried out more economically than conventional decatizing methods and also enables better quality treatment results.

Zur Lösung dieser Aufgabe wird von einem im Oberbegriff des Anspruchs 1 angegebenen konventionellen Dekatierverfahren ausgegangen und gemäß dem kennzeichnenden Teil des Anspruchs 1 erfindungsgemäß vorgeschlagen, als Mitläufer ein aus nicht orientierten Fasern bestehendes Flächengebilde zu verwenden, dessen Flächengewicht weniger als 80 g/m² beträgt und dessen Wasserdampfdurchlässigkeit nicht kleiner ist als 3500 g/m²/24 h.To solve this problem, it is assumed that a conventional decatizing method is specified in the preamble of claim 1 and, according to the characterizing part of claim 1, it is proposed according to the invention to use as a follower a sheet made of non-oriented fibers, the weight per unit area of which is less than 80 g / m², and the latter Water vapor permeability is not less than 3500 g / m² / 24 h.

Das nach dem erfindungsgemäßen Verfahren als Mitläufer zu verwendende Flächengebilde kann beispielsweise aus einem preiswerten dünnen Faservlies bestehen, das aus synthetischen Polypropylen- oder Polyäthylenfasern oder dergleichen hergestellt ist, wobei die Fasern nach Art eines Nadelfilzes oder aber auch durch eine chemische oder thermische Klebung miteinander verbunden sein können. Wesentlich ist das geringe Flächengewicht des verwendeten Mitläufers und dessen gute Wasserdampfdurchlässigkeit. Dagegen kann auf eine hohe mechanische Festigkeit verzichtet werden, weil die geringen Kosten, welche die Herstellung des Mitläufers verursacht, es unter Beibehaltung der Wirtschaftlichkeit erlaubt, bereits nach wenigen Einsätzen den Mitläufer gegen einen neuen Mitläufer auszutauschen. Als Mitläufer geeignetes, preisgünstiges, handelsübliches Flächenmaterial ist darüber hinaus recyclefähig und kann somit auch wiederholt zu neuem Mitläufermaterial verarbeitet werden.The fabric to be used as a follower according to the method according to the invention can consist, for example, of an inexpensive thin nonwoven fabric which is made of synthetic polypropylene or polyethylene fibers or the like, the fibers being connected to one another in the manner of a needle felt or else by chemical or thermal bonding can. What is essential is the low basis weight of the idler used and its good water vapor permeability. On the other hand, high mechanical strength can be dispensed with because the low costs which the production of the follower causes, while maintaining the economy, allows the follower to be exchanged for a new follower after only a few uses. In addition, suitable, inexpensive, commercially available sheet material that is suitable as a follower is recyclable and can therefore also be repeatedly processed into new follower material.

Nach einer Ausgestaltung des erfindungsgemäßen Verfahrens wird das Gewebe mit einer Restfeuchte von 10 bis 100 Gew.-% auf den perforierten Dekatierzylinder aufgewickelt und in diesem Zustand der Wärmebehandlung ausgesetzt.According to one embodiment of the method according to the invention, the tissue is wound onto the perforated decatizing cylinder with a residual moisture content of 10 to 100% by weight and is exposed to the heat treatment in this state.

Ein besonderer Vorteil dieses Verfahrens besteht darin, daß im nassen Zustand aufgewickelte, zu dekatierende Textilgewebe nach dem Färben und vor dem Dekatierprozeß keine Zwischentrocknung erfordern, sondern lediglich auf die gewünschte Restfeuchte abgequetscht werden müssen. Mit konventionellen Mitläufern ist dagegen eine Zwischentrocknung unerläßlich, da die hohe Mitläuferdichte bei einem feuchten Textilgewebe Überhitzungsstaus entstehen läßt.A particular advantage of this process is that, after dyeing and before the decatizing process, textile fabrics wound up and to be decated do not require intermediate drying, but only have to be squeezed to the desired residual moisture. With conventional followers, on the other hand, intermediate drying is indispensable because the high follower density causes overheating backlogs in a damp textile fabric.

Schließlich sieht eine Ausgestaltung des erfindungsgemäßen Verfahrens noch vor, daß die jeweils während der Behandlungsdauer erforderliche Restfeuchte des im Autoklaven befindlichen Textilgewebes durch eine externe Dampfzufuhr aufrechterhalten und geregelt wird.Finally, an embodiment of the method according to the invention provides that the residual moisture of the textile fabric located in the autoclave, which is required during the treatment period, is maintained and regulated by an external steam supply.

Zur Verdeutlichung der mit dem erfindungsgemäßen Verfahren gegenüber einem konventionellen Verfahren möglichen qualitativen Verbesserungen wurden folgende Versuche durchgeführt:

  • 1. Ein 1,60 m breites Kammgarngewebe aus reiner Wolle mit einem Laufmetergewicht von 280 g/m und einem dementsprechenden Flächengewicht von 280 g/m : 1,60 m = 175 g/m² wurde unter Verwendung eines konventionellen Mitläufers mit einem Flächengewicht von 440 g/m² dekatiert.
  • 2. Ein eben solches Kammgarngewebe wurde bei im übrigen unveränderten Bedingungen unter Verwendung eines Mitläufers aus einem Faservlies mit einem Flächengewicht von nur 18 g/m² dekatiert.
The following tests were carried out to illustrate the qualitative improvements possible with the method according to the invention compared to a conventional method:
  • 1. A 1.60 m wide worsted wool made of pure wool with a linear weight of 280 g / m and a corresponding basis weight of 280 g / m: 1.60 m = 175 g / m² was made using a conventional follower with a basis weight of 440 g / m² decated.
  • 2. A worsted fabric of this type was decatated under otherwise unchanged conditions using a follower made of a non-woven fabric with a basis weight of only 18 g / m 2.

Bei beiden Dekatierprozessen wurde das Kammgarngewebe jeweils im trockenen Zustand in den Dekatierautoklaven eingebracht. Während des Dekatiervorganges erfolgte bei beiden Dekatierprozessen übereinstimmend eine Feuchtigkeitszugabe von 100 Gew.-% über Dampf.In both decatizing processes, the worsted fabric was introduced into the decatizing autoclave in a dry state. During the decatizing process, both the decatizing processes consistently added 100% by weight of steam.

Eine Untersuchung der unter Verwendung eines konventionellen Mitläufers dekatierten Textilgewebeprobe (nachfolgend Probe I) und der nach dem erfindungsgemäßen Verfahren dekatierten Textilgewebeprobe (nachfolgend Probe II) ergab für die nachfolgenden Parameter die dazu angegebenen Mittelwerte:An examination of the textile fabric sample (hereinafter Sample I) decated using a conventional follower and the textile fabric sample (hereinafter Sample II) decated by the method according to the invention gave the mean values given for the following parameters:

A. Griffbestimmung nach KawabataA. Determination of grip according to Kawabata

1. Biegesteifigkeit in µNm1. Flexural rigidity in µNm Probe I:Sample I: KetteChain Mittelwert x 7,40 ;Mean x 7.40; Standardabweichung s 0,298Standard deviation s 0.298 SchußShot Mittelwert x 5,89 ;Mean x 5.89; Standardabweichung s 0,249Standard deviation s 0.249 Probe II:Sample II: KetteChain Mittelwert x 7,01 ;Mean x 7.01; Standardabweichung s 0,346Standard deviation s 0.346 SchußShot Mittelwert x 6,23 ;Mean x 6.23; Standardabweichung s 0,277Standard deviation s 0.277 2. Biegehysteresehöhe in mNm/m2. Bending hysteresis height in mNm / m Probe I:Sample I: KetteChain Mittelwert x 0,238 ;Mean x 0.238; Standardabweichung s 0,0444Standard deviation s 0.0444 SchußShot Mittelwert x 0,181 ;Mean x 0.181; Standardabweichung s 0,0300Standard deviation s 0.0300 Probe II:Sample II: KetteChain Mittelwert x 0,230 ;Mean x 0.230; Standardabweichung s 0,0524Standard deviation s 0.0524 SchußShot Mittelwert x 0,197 ;Mean x 0.197; Standardabweichung s 0,0272Standard deviation s 0.0272 3. Schersteifigkeit in N/m rad3. Shear stiffness in N / m rad Probe I:Sample I: KetteChain Mittelwert x 41 ;Mean x 41; Standardabweichung s 2,0Standard deviation s 2.0 SchußShot Mittelwert x 40 ;Mean x 40; Standardabweichung s 1,4Standard deviation s 1.4 Probe II:Sample II: KetteChain Mittelwert x 23 ;Mean x 23; Standardabweichung s 0,7Standard deviation s 0.7 SchußShot Mittelwert x 22 ;Mean x 22; Standardabweichung s 1,8Standard deviation s 1.8 4. Scherhysteresehöhe bei 0,5° in N/m4. Shear hysteresis height at 0.5 ° in N / m Probe I:Sample I: KetteChain Mittelwert x 0,6 ;Mean x 0.6; Standardabweichung s 0,01Standard deviation s 0.01 SchußShot Mittelwert x 0,5 ;Mean x 0.5; Standardabweichung s 0,09Standard deviation s 0.09 Probe II:Sample II: KetteChain Mittelwert x 0,4 ;Mean x 0.4; Standardabweichung s 0,04Standard deviation s 0.04 SchußShot Mittelwert x 0,4 ;Mean x 0.4; Standardabweichung s 0,03Standard deviation s 0.03 5. Scherhysteresehöhe bei 5° in N/m5. Shear hysteresis height at 5 ° in N / m Probe I:Sample I: KetteChain Mittelwert x 1,5 ;Mean x 1.5; Standardabweichung s 0,02Standard deviation s 0.02 SchußShot Mittelwert x 1,4 ;Mean x 1.4; Standardabweichung s 0,05Standard deviation s 0.05 Probe II:Sample II: KetteChain Mittelwert x 0,6 ;Mean x 0.6; Standardabweichung s 0,02Standard deviation s 0.02 SchußShot Mittelwert x 0,6 ;Mean x 0.6; Standardabweichung s 0,02Standard deviation s 0.02 6. Höchstzugkraftdehnung bei 500 cN/cm in %6. Maximum tensile strength elongation at 500 cN / cm in% Probe I:Sample I: KetteChain Mittelwert x 3,7 ;Mean x 3.7; Standardabweichung s 0,19Standard deviation s 0.19 SchußShot Mittelwert x 5,7 ;Mean x 5.7; Standardabweichung s 0,10Standard deviation s 0.10 Probe II:Sample II: KetteChain Mittelwert x 6,7 ;Mean x 6.7; Standardabweichung s 0,28Standard deviation s 0.28 SchußShot Mittelwert x 7,9 ;Mean x 7.9; Standardabweichung s 0,50Standard deviation s 0.50 7. Zugarbeit in J/m²7. Pull work in J / m² Probe I:Sample I: KetteChain Mittelwert x 6,6 ;Mean x 6.6; Standardabweichung s 0,28Standard deviation s 0.28 SchußShot Mittelwert x 9,6 ;Mean x 9.6; Standardabweichung s 0,10Standard deviation s 0.10 Probe II:Sample II: KetteChain Mittelwert x 9,6 ;Mean x 9.6; Standardabweichung s 0,22Standard deviation s 0.22 SchußShot Mittelwert x 11,4 ;Mean x 11.4; Standardabweichung s 0,47Standard deviation s 0.47 8. Erholungsvermögen in %8. Recovery in% Probe I:Sample I: KetteChain Mittelwert x 66 ;Mean x 66; Standardabweichung s 1,1Standard deviation s 1.1 SchußShot Mittelwert x 65 ;Mean x 65; Standardabweichung s 0,7Standard deviation s 0.7 Probe II:Sample II: KetteChain Mittelwert x 67 ;Mean x 67; Standardabweichung s 0,4Standard deviation s 0.4 SchußShot Mittelwert x 67 ;Mean x 67; Standardabweichung s 0,3Standard deviation s 0.3 9. Linearität9. Linearity Probe I:Sample I: KetteChain Mittelwert x 0,74 ;Mean x 0.74; Standardabweichung s 0,014Standard deviation s 0.014 SchußShot Mittelwert x 0,69 ;Mean x 0.69; Standardabweichung s 0,011Standard deviation s 0.011 Probe II:Sample II: KetteChain Mittelwert x 0,58 ;Mean x 0.58; Standardabweichung s 0,012Standard deviation s 0.012 SchußShot Mittelwert x 0,59 ;Mean x 0.59; Standardabweichung s 0,013Standard deviation s 0.013

B. FallkoeffizientB. Fall coefficient

Probe I:Sample I: Mittelwert x 0,756 ;Mean x 0.756; Standardabweichung s 0,012Standard deviation s 0.012 Probe II:Sample II: Mittelwert x 0,690 ;Mean x 0.690; Standardabweichung s 0,026Standard deviation s 0.026

C. GlanzzahlC. Gloss number

Probe I:Sample I: Mittelwert x 1,38 ;Mean x 1.38; Standardabweichung s 0,00Standard deviation s 0.00 Probe II:Sample II: Mittelwert x 1,25 ;Mean x 1.25; Standardabweichung s 0,03Standard deviation s 0.03

D. Dicke und ZusammendrückbarkeitD. Thickness and compressibility

1. Dicke bei 2 cN/cm²1. Thickness at 2 cN / cm² Probe I:Sample I: Mittelwert x 0,391 ;Mean x 0.391; Standardabweichung s 0,004Standard deviation s 0.004 Probe II:Sample II: Mittelwert x 0,502 ;Mean x 0.502; Standardabweichung s 0,006Standard deviation s 0.006 2. Dicke bei 20 cN/cm²2. Thickness at 20 cN / cm² Probe I:Sample I: Mittelwert x 0,329 ;Mean x 0.329; Standardabweichung s 0,005Standard deviation s 0.005 Probe II:Sample II: Mittelwert x 0,391 ;Mean x 0.391; Standardabweichung s 0,001Standard deviation s 0.001 3. Absolute Zusammendrückbarkeit in mm3. Absolute compressibility in mm Probe I:Sample I: 0,062 (kein Mittelwertsvergleich durchführbar)0.062 (no mean comparison can be carried out) Probe II:Sample II: 0,111 (kein Mittelwertsvergleich durchführbar)0.111 (no mean comparison can be carried out) 4. Relative Zusammendrückbarkeit in %4. Relative compressibility in% Probe I:Sample I: 15 (kein Mittelwertsvergleich durchführbar)15 (no comparison of mean values possible) Probe II:Sample II: 22 (kein Mittelwertsvergleich durchführbar)22 (no mean comparison can be carried out)

E. Flächenknitterung nach Aku-TestE. Surface wrinkling after the Aku test

1. Note sofort nach Entlastung Probe I: 2 Probe II: 4 2. Note nach 1 Stunde Erholung Probe I: 5 Probe II: 6-7 3. Note nach 2 Stunden Erholung Probe I: 6 Probe II: 7 4. Note nach 24 Stunden Erholung Probe I: 7-8 Probe II: 7-8 (Beurteilungsstufen von 1 bis 8: bei Note 1 schlechtestes und Note 8 bestes Ergebnis) 1st grade immediately after discharge Sample I: 2nd Sample II: 4th 2nd note after 1 hour of recovery Sample I: 5 Sample II: 6-7 3rd note after 2 hours of recovery Sample I: 6 Sample II: 7 4th note after 24 hours of recovery Sample I: 7-8 Sample II: 7-8 (Assessment levels from 1 to 8: worst for grade 1 and best for grade 8)

F. Harnstoffbisulfitlöslichkeit HBL in % (als Maß für die chemische Veränderung)F. Urea bisulfite solubility HBL in% (as a measure of the chemical change)

Probe I:Sample I: 42,242.2 Probe II:Sample II: 45,545.5

Die Dickenmessung erfolgte nach DIN 53855 und die Harnstoffbisulfitlöslichkeit nach IWTO (International Wool Technical Organisation) 11-64.The thickness was measured according to DIN 53855 and the urea bisulfite solubility according to IWTO (International Wool Technical Organization) 11-64.

Die Flächenknitterung wurde in Anlehnung an die Aku-Methode (Zylinderknittermethode) mit 3,5 kg Belastungsgewicht und 25 min Belastungsdauer durchgeführt.The surface wrinkling was carried out based on the Aku method (cylinder wrinkle method) with 3.5 kg loading weight and 25 min loading duration.

Alle Prüfungen erfolgten im Normklima.All tests were carried out in a standard atmosphere.

Ein Mittelwertsvergleich der Prüfungsergebnisse belegt, daß mit dem erfindungsgemäßen Dekatierverfahren eine überraschende Qualitätsverbesserung eines Textilgewebes in vielfältiger Hinsicht erzielbar ist.A comparison of the mean values of the test results shows that a surprising improvement in the quality of a textile fabric can be achieved in many ways with the decatizing method according to the invention.

Claims (3)

Verfahren zum Dekatieren eines Textilgewebes aus oder unter Mitverwendung eines wesentlichen Anteils von Wollfasern, wobei das Textilgewebe zusammen mit einem Mitläufer auf einen perforierten Dekatierzylinder aufgewickelt und der so gebildete Wickel in einem Autoklaven einer Wärmebehandlung ausgesetzt wird, dadurch gekennzeichnet, daß als Mitläufer ein aus nicht orientierten Fasern bestehendes Flächengebilde verwendet wird, dessen Flächengewicht weniger als 80 g/m² beträgt und dessen Wasserdampfdurchlässigkeit nicht kleiner ist als 3500 g/m²/24 h.Process for decatating a textile fabric from or using a substantial proportion of wool fibers, the textile fabric being wound up with a follower on a perforated decatizing cylinder and the winding thus formed being subjected to a heat treatment in an autoclave, characterized in that a follower is a non-oriented one Fibers existing fabric is used, the basis weight is less than 80 g / m² and the water vapor permeability is not less than 3500 g / m² / 24 h. Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß das Gewebe mit einer Restfeuchte von 10 - 100 Gew.- % auf den perforierten Dekatierzylinder aufgewickelt und in diesem Zustand der Wärmebehandlung ausgesetzt wird.A method according to claim 1, characterized in that the fabric with a residual moisture content of 10-100% by weight is wound onto the perforated decatizing cylinder and is exposed to the heat treatment in this state. Verfahren nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die jeweils während der Behandlungsdauer erforderliche Restfeuchte des im Autoklaven befindlichen Textilgewebes durch eine externe Dampfzufuhr aufrechterhalten und geregelt wird.A method according to claim 1 or 2, characterized in that the residual moisture of the textile fabric located in the autoclave, which is required during the treatment period, is maintained and regulated by an external steam supply.
EP95113963A 1994-09-23 1995-09-06 Process for decatizing a textile fabric Expired - Lifetime EP0703310B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SI9530102T SI0703310T1 (en) 1994-09-23 1995-09-06 Process for decatizing a textile fabric

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4433924A DE4433924C2 (en) 1994-09-23 1994-09-23 Process for decatizing a textile fabric
DE4433924 1994-09-23

Publications (2)

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EP0703310A1 true EP0703310A1 (en) 1996-03-27
EP0703310B1 EP0703310B1 (en) 1998-04-29

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ID=6528949

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EP95113963A Expired - Lifetime EP0703310B1 (en) 1994-09-23 1995-09-06 Process for decatizing a textile fabric

Country Status (11)

Country Link
EP (1) EP0703310B1 (en)
KR (1) KR960010952A (en)
AT (1) ATE165633T1 (en)
CZ (1) CZ285310B6 (en)
DE (2) DE4433924C2 (en)
ES (1) ES2116022T3 (en)
HU (1) HU218075B (en)
PL (1) PL177941B1 (en)
SI (1) SI0703310T1 (en)
SK (1) SK280022B6 (en)
YU (1) YU62195A (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1785460B1 (en) 1968-09-26 1971-06-09 Drabert Soehne Decating device for tissue

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1785460B1 (en) 1968-09-26 1971-06-09 Drabert Soehne Decating device for tissue

Also Published As

Publication number Publication date
PL310576A1 (en) 1996-04-01
CZ212895A3 (en) 1996-04-17
SI0703310T1 (en) 1998-10-31
KR960010952A (en) 1996-04-20
HUT72374A (en) 1996-04-29
YU62195A (en) 1997-09-30
DE59502041D1 (en) 1998-06-04
HU218075B (en) 2000-05-28
DE4433924C2 (en) 1996-12-19
HU9502783D0 (en) 1995-11-28
EP0703310B1 (en) 1998-04-29
PL177941B1 (en) 2000-02-29
CZ285310B6 (en) 1999-07-14
SK119195A3 (en) 1996-10-02
ATE165633T1 (en) 1998-05-15
ES2116022T3 (en) 1998-07-01
DE4433924A1 (en) 1996-03-28
SK280022B6 (en) 1999-07-12

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