EP1852549B1 - Process for dyeing textile materials - Google Patents

Process for dyeing textile materials Download PDF

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Publication number
EP1852549B1
EP1852549B1 EP06019593A EP06019593A EP1852549B1 EP 1852549 B1 EP1852549 B1 EP 1852549B1 EP 06019593 A EP06019593 A EP 06019593A EP 06019593 A EP06019593 A EP 06019593A EP 1852549 B1 EP1852549 B1 EP 1852549B1
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EP
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Prior art keywords
dyeing
rinsing
bath
silicone
water
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EP06019593A
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German (de)
French (fr)
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EP1852549A3 (en
EP1852549A2 (en
Inventor
Stephan Wimmer
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Gabler Band AG
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Gabler Band AG
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Priority claimed from DE200610017273 external-priority patent/DE102006017273B4/en
Priority claimed from DE200610025442 external-priority patent/DE102006025442A1/en
Application filed by Gabler Band AG filed Critical Gabler Band AG
Publication of EP1852549A2 publication Critical patent/EP1852549A2/en
Publication of EP1852549A3 publication Critical patent/EP1852549A3/en
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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
    • 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
    • D06P3/02—Material containing basic nitrogen
    • D06P3/04—Material containing basic nitrogen containing amide groups
    • D06P3/24—Polyamides; Polyurethanes
    • 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
    • D06P1/0032—Determining dye recipes and dyeing parameters; Colour matching or monitoring
    • 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
    • D06P3/34—Material containing ester groups
    • D06P3/52—Polyesters
    • D06P3/54—Polyesters using dispersed dyestuffs
    • 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

Definitions

  • the present invention relates to a process for dyeing an at least partially coated with anti-slip material, in particular silicone-coated textile of synthetic yarns such.
  • anti-slip material in particular silicone-coated textile of synthetic yarns such.
  • polyamide or polyester which is present as a composite of several components system.
  • the invention has the object of providing a method for dyeing at least partially coated with silicone textiles of synthetic yarns such.
  • silicone textiles of synthetic yarns such.
  • polyamide or polyester which are present as composed of a plurality of components systems to propose, in which the known from the prior art disadvantages are avoided or at least greatly reduced.
  • the object is achieved for a system silicone polyamide with a method according to claim 1, which can be divided into three groups of process steps, namely A) dyeing of the silicone, B) washing out of the case on the polyamide color, C) dyeing of the polyamide ,
  • the result of carrying out the method according to the invention is a completely new product in which the optical defect discussed in the introduction to the description, namely the incomplete staining of the polyamide portion, is no longer present.
  • the silicone components of the system have the same color as the polyamide components, ie the textile part of the system. This is a visually appealing homogenous looking product. Another very large cost and handling advantage is that z.
  • a ready-made ready-to-wear stocking with silicon-coated garter trim can be subjected to the dyeing process, with the result that there is a homogeneously colored stocking.
  • Separate dyeing methods, as known from the prior art, are avoided, and a color assignment from different dyeing processes of supplied components is unnecessary.
  • a further advantageous embodiment of the invention is that when washing the paint from the polyamide, ie the saponification or stripping the disperse dyes by means of alkali agent for 30 minutes at 70 ° to 80 ° C, a reducing agent is used.
  • the wash fastness can be improved with an aftertreatment agent if desired in the polyamide component of the stocking, z. B. with 1 to 4g / l Alkylarylsulfonat 0.5 to 1.5 g / l HCOOH, 85% strength at 70 to 80 ° C for a period of 20 to 30 minutes.
  • a reducing agent is used in washing out the paint from the polyamide (step B), ie reducing or stripping the disperse dyes.
  • a reducing agent is used in washing out the paint from the polyamide (step B), ie reducing or stripping the disperse dyes.
  • the object is achieved on the one hand with a process for dyeing an at least partially coated with anti-slip material, in particular with silicone polyester fabric, which is present as a multi-component system according to claim 6, which is characterized by the following steps: a) heating the system in one Alkali-resistant disperse dye liquor, dispersant and pH control agent from an initial temperature of 40 ° C to 60 ° C with a heating gradient of 1 to 2 ° C / min. at 125 to 130 ° C and b) dyeing the system for about 45 to 90 minutes. in the fleet.
  • the result of carrying out the process according to the invention is a completely new product in which the optical defect discussed in the introduction to the description, namely the incomplete staining of the polyester fraction, is no longer present.
  • the silicone components of the system have the same color as the polyester components, ie the textile part of the system. This is a visually appealing homogenous looking product.
  • Another very large cost and handling advantage is that z.
  • a ready-made ready-to-wear stocking with silicone coated garter straps can be subjected to the dyeing process, with the result that there is a homogeneously dyed stocking. Separate dyeing processes, as known from the prior art, are avoided, and a color assignment from different dyeing processes of supplied components is unnecessary.
  • An advantageous development of the method according to the invention results from dyeing the polyester with alkali-resistant disperse dye followed by a further step, namely improving the wash fastness of the system with an aftertreatment agent for 20 to 30 minutes at 70 ° to 80 ° C.
  • the entire system for polyester is dyed at high temperatures with disperse dyes.
  • the initial temperature here is 40 ° to 60 ° C and the heating gradient depending on stocking quality 1 ° to 2 ° C per minute, the final temperature is 125 ° to 120 ° C.
  • the desired color shade and stocking quality each play a crucial role in the duration of the dyeing time at final temperature (usually here are about 45 to a maximum of 90 minutes).
  • the auxiliaries used in these dyeings are mostly dispersant and the pH as control variables.
  • the system is advantageously after dyeing, for example, by means of a combination of 1 to 2 g / l Na 2 S 2 O 4 and 2 to 4 g / l NaOH at a temperature of 70 ° to 80 ° C over a period of time treated by about 30 minutes. This is the so-called reductive post-purification.
  • the object is alternatively achieved by a process for dyeing a textile of polyester at least partially coated with anti-slip material, in particular silicone, which is present as a multi-component system according to claim 8, characterized by the following steps: a) heating the system in one An alkali-disperse disperse dye liquor, dispersant and pH control agent from an initial temperature of 40 ° C to 60 ° C with a heating gradient of 1 to 2 ° C / min. at 125 to 130 ° C and b) dyeing the system for about 45 to 90 minutes. in the fleet.
  • This method according to the invention also results in a completely new product in which the optical defect discussed in the introduction to the description, namely the incomplete dyeing of the polyester portion, no longer exists and all the advantages already discussed above are achieved.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Coloring (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)

Abstract

Method for dyeing a polyamide textile partially coated with silicone as anti-slip material comprises heating a system to a boiling temperature in a bath containing dispersion dye, dispersant and pH-control agent, dyeing the system for 20-60 minutes, rinsing with hot water, removing the dispersion dye in a fresh bath with an alkaline agent, hot-rinsing the system with water, cold-rinsing the system with water, heating the system from 20-30[deg] C up to 95[deg] C in a fresh bath, dyeing the system for 60-90 minutes in the bath, hot-rinsing the system with water and cold-rinsing the system with water.

Description

Die vorliegende Erfindung betrifft ein Verfahren zum Färben eines wenigstens teilweise mit Antirutschmaterial, insbesondere mit Silikon beschichteten Textils aus synthetischen Garnen wie z. B. Polyamid oder Polyester, welches als aus mehreren Komponenten zusammengesetztes System vorliegt.The present invention relates to a process for dyeing an at least partially coated with anti-slip material, in particular silicone-coated textile of synthetic yarns such. As polyamide or polyester, which is present as a composite of several components system.

Aus dem Stand der Technik bekannte elastische Rohbänder, welche streifen-, punkt- oder rautenförmig mit Silikon beschichtet sind, haben den Nachteil, dass bei einem anschließenden Färbeprozess diejenigen Bandstellen, auf denen das Silikon aufgebracht wurde nicht oder nur sehr schwach angefärbt werden. Dadurch zeichnen sich diese Bereiche auf der beschichteten Bandseite je nach Beschichtungsart als helle Streifen, Punkte oder Rauten ab.Known from the prior art elastic raw tapes, which are strip, dot or diamond-shaped coated with silicone, have the disadvantage that in a subsequent dyeing process those tape sites on which the silicone was applied are not or only very weakly stained. As a result, these areas are marked on the coated side of the tape depending on the type of coating as light stripes, dots or diamonds.

Dieser optische Mangel ist den Strumpfherstellern bekannt. Er wird aber aus fertigungstechnischen bzw. dispositionstechnischen Gründen in Kauf genommen, da andernfalls die Strumpfrohlinge und die Rohbänder vor dem Beschichten jeweils in einem separaten Färbeprozess gefärbt werden müssten. Zusätzlich entstünde bei dieser Vorgehensweise das Problem, dass die Strumpfrohlinge und die Rohbänder farblich aufeinander eingemustert werden müssten. Dieser Aufwand wird teilweise dennoch in Kauf genommen, um den oben beschriebenen optischen Mangel zu vermeiden.This optical defect is known to the hosiery manufacturers. However, it is accepted for production or dispositionstechnischen reasons in purchasing, otherwise the sock stockings and the raw ribbons would have to be colored before coating each in a separate dyeing process. In addition, this procedure would create the problem that the sock blanks and the raw ribbons would have to be patterned in color. This effort is partly still accepted in order to avoid the optical defect described above.

Ein weiteres Problem liegt bei der Farbeinteilung, besonders im Modestrumpfbereich, da die tatsächlichen Bedarfsmengen pro Farbe nur sehr schwer vorhersehbar sind. Dadurch ergibt es sich immer wieder, dass Strümpfe in diversen Saisonfarben nicht verkauft werden können oder Strümpfe in anderen Farben nachproduziert bzw. nachgefärbt (Band und Strumpf) werden müssen.Another problem lies in the color classification, especially in the fashion stocking area, since the actual demand quantities per color are very difficult to predict. As a result, it is always the case that stockings can not be sold in various seasonal colors or that stockings in other colors have to be post-produced or post-dyed (ribbon and stocking).

Der Erfindung liegt die Aufgabe zugrunde, ein Verfahren zum Färben von wenigstens teilweise mit Silikon beschichteten Textilien aus synthetischen Garnen wie z. B. Polyamid oder Polyester, welche als aus mehreren Komponenten zusammengesetzte Systeme vorliegen, vorzuschlagen, bei dem die aus dem Stand der Technik bekannten Nachteile vermieden oder zumindest stark vermindert werden.The invention has the object of providing a method for dyeing at least partially coated with silicone textiles of synthetic yarns such. As polyamide or polyester, which are present as composed of a plurality of components systems to propose, in which the known from the prior art disadvantages are avoided or at least greatly reduced.

System Silikon-PolyamidSystem silicone polyamide

Die Aufgabe wird für ein System Silikon-Polyamid gelöst mit einem Verfahren gemäß Anspruch 1, welches sich in drei Gruppen von Verfahrensschritten unterteilen lässt, nämlich A) Färben des Silikons, B) Auswaschen der hierbei auf das Polyamid gelangten Farbe, C) Färben des Polyamids. Es ergibt sich mit Durchführung des erfindungsgemäßen Verfahrens ein vollständig neues Produkt, bei dem der in der Beschreibungseinleitung diskutierte optische Mangel, nämlich die nicht vollständige Durchfärbung des Polyamidanteils, nicht mehr vorliegt. Die Silikonanteile des Systems haben die gleiche Farbe wie die Polyamidanteile, also der textile Teil des Systems. Damit handelt es sich um ein optisch sehr ansprechendes homogen aussehendes Produkt. Ein weiterer sehr großer Kosten- und Handlingsvorteil besteht darin, dass z. B. ein fix und fertig vorkonfektionierter halterloser Strumpf mit mit Silikon beschichteten Strumpfabschlussbändern dem Färbeprozess unterworfen werden kann, mit dem Ergebnis, dass ein homogen durchgefärbter Strumpf vorliegt. Separate Färbeverfahren, wie aus dem Stand der Technik bekannt, werden vermieden, auch eine farbliche Zuordnung aus unterschiedlichen Färbeprozessen zugeführter Komponenten erübrigt sich.The object is achieved for a system silicone polyamide with a method according to claim 1, which can be divided into three groups of process steps, namely A) dyeing of the silicone, B) washing out of the case on the polyamide color, C) dyeing of the polyamide , The result of carrying out the method according to the invention is a completely new product in which the optical defect discussed in the introduction to the description, namely the incomplete staining of the polyamide portion, is no longer present. The silicone components of the system have the same color as the polyamide components, ie the textile part of the system. This is a visually appealing homogenous looking product. Another very large cost and handling advantage is that z. For example, a ready-made ready-to-wear stocking with silicon-coated garter trim can be subjected to the dyeing process, with the result that there is a homogeneously colored stocking. Separate dyeing methods, as known from the prior art, are avoided, and a color assignment from different dyeing processes of supplied components is unnecessary.

Eine vorteilhafte Weiterbildung des erfindungsgemäßen Verfahrens ergibt sich dadurch, dass dem Färben des Polyamids ein weiterer Schritt folgt, nämlich ein Verbessern der Waschechtheit des Systems mit einem Nachbehandlungsmittel für 20 bis 30 Minuten bei 70° bis 80° C. Der hierdurch erreichte Vorteil ergibt sich bereits aus dem Wortlaut: Die Waschechtheit des gefärbten Systems kann gesteigert werden.An advantageous development of the method according to the invention results from the dyeing of the polyamide followed by a further step, namely an improvement in the wash fastness of the system with an aftertreatment agent for 20 to 30 minutes at 70 ° to 80 ° C. The advantage achieved thereby already arises from the wording: The wash fastness of the colored system can be increased.

Eine weitere vorteilhafte Ausbildung der Erfindung besteht darin, dass beim Auswaschen der Farbe aus dem Polyamid, also dem Verseifen bzw. Abziehen der Dispersionsfarbstoffe mittels Alkalimittel für 30 Minuten bei 70° bis 80° C ein Reduktionsmittel eingesetzt wird.A further advantageous embodiment of the invention is that when washing the paint from the polyamide, ie the saponification or stripping the disperse dyes by means of alkali agent for 30 minutes at 70 ° to 80 ° C, a reducing agent is used.

Weitere Merkmale und Vorteile der Erfindung ergeben sich aus den Unteransprüchen.Further features and advantages of the invention will become apparent from the dependent claims.

Die Erfindung wird zum besseren Verständnis im Folgenden kurz anhand eines Ausführungsbeispiels beschrieben.The invention will be briefly described below with reference to an embodiment for better understanding.

Das erfindungsgemäße Verfahren zum Färben eines wenigstens teilweise mit Antirutschmaterial, insbesondere mit Silikon beschichteten Textils aus Polyamid, welches als aus mehreren Komponenten zusammengesetztes System vorliegt, soll anhand eines halterlosen Strumpfs, welcher mit Silikon beschichteten Strumpfabschlussbändern vorkonfektioniert ist, beschrieben werden.

  1. A) Färben des Silikons:
    1. a) Aufheizen des Strumpfs in einer Flotte aus Dispersionsfarbstoffen, Dispergator und einem pH-Wertsteuermittel auf Kochtemperatur. Der Aufheizgradient beträgt hier z. B. (je nach Strumpftyp) etwa 1° C /min.
    2. b) Färben des Strumpfs für etwa 20 bis 60 Minuten in der Flotte. Nach dem Erreichen der Kochtemperatur beträgt die Färbezeit beispielsweise 60 Minuten (diese ist wiederum abhängig von der Strumpfqualität und vom Dispersionsfarbstofftyp).
    3. c) Durch- und Ausspülen des Strumpfs mit heißem Wasser. Nach dem Färben wird die Flotte abgelassen und der Strumpf mit heißem Wasser gut durch- bzw. ausgespült.
  2. B) Auswaschen der Farbe aus dem aus Polyamidgarnen bestehenden Strumpf:
    • d) Verseifen bzw. Abziehen der Dispersionsfarbstoffe in einem frischen Bad mittels Alkalimittel. In diesem Schritt werden die Dispersionsfarbstoffe in einem frischen Bad mittels Alkalimittel verseift bzw. abgezogen. Hierfür kann beispielsweise eine Kombination von 2g/l Polyethylenglykol (Mittlere Molare Masse bei etwa 400g/mol) und 1 bis 1,5 g/l Natronwasserglas (SiO2:Na2O, Gewichtsverhältnis 3,3) bei 70° C während 40 Minuten eingesetzt werden.
    • e) heiß Ausspülen des Strumpfs mit Wasser. Nach dem vorhergehenden Schritt wird der Strumpf mit Wasser heiß ausgespült. Anschließend wird der Strumpf kalt ausgespült.
  3. C) Färben des Polyamidanteils des Strumpfes:
    • g) Aufheizen des Strumpfs in einem frischen Bad mit einer Anfangstemperatur von 20 bis 30° C auf 95° C. Bei diesem Schritt, bei dem in einem frischen Bad der Polyamidanteil des Strumpfs im Ausziehverfahren gefärbt wird, kann beispielsweise eine Flotte bestehend aus Säure bzw. Metallkomplexfarbstoffen, Egalisierungsmittel und Säurespender oder pH-Wertsteuermittel (beispielsweise Essigsäure) eingesetzt werden. Der gesamte Strumpf wird mit der Flotte bis auf 95° C aufgeheizt, wobei der Aufheizgradient beispielsweise 1 bis 1,5° C/min beträgt.
    • h) Färben des Strumpfs im Ausziehverfahren für etwa 60 bis 90 Minuten in der Flotte. Nach dem Erreichen der Kochtemperatur beträgt die Färbezeit je nach Nuance und Strumpfempfindlichkeit etwa 60 bis 90 Minuten. Im Anschluss wird der Strumpf wieder mit Wasser heiß und kalt ausgewaschen und ergibt sich als gemäß dem erfindungsgemäßen neuen Verfahren neuer durchgefärbter Strumpf ohne die aus dem Stand der Technik bekannten und oben diskutierten Nachteile.
The inventive method for dyeing a polyamide at least partially coated with anti-slip material, in particular with silicone textile, which is present as a multi-component system is to be described on the basis of a hold-up stocking, which is prefabricated with silicon-coated stocking closure tapes.
  1. A) Dyeing the silicone:
    1. a) heating the stocking in a liquor of disperse dyes, dispersant and a pH control agent at boiling temperature. The heating gradient is here z. B. (depending on the type of stocking) about 1 ° C / min.
    2. b) dye the stocking for about 20 to 60 minutes in the liquor. After reaching the cooking temperature, the dyeing time is, for example, 60 minutes (this in turn depends on the stocking quality and on the disperse dye type).
    3. c) Rinsing and rinsing the stocking with hot water. After dyeing, the liquor is drained off and the stocking thoroughly rinsed with hot water.
  2. B) washing out the color from the sock made of polyamide yarns:
    • d) saponifying or stripping the disperse dyes in a fresh bath by means of alkali agent. In this step, the disperse dyes are saponified in a fresh bath by means of alkali. For this purpose, for example, a combination of 2 g / l polyethylene glycol (average molar mass at about 400 g / mol) and 1 to 1.5 g / l sodium silicate (SiO 2 : Na 2 O, weight ratio 3.3) at 70 ° C for 40 minutes be used.
    • e) hot rinse the stocking with water. After the previous step, the stocking is rinsed with hot water. Then the sock is rinsed cold.
  3. C) dyeing the polyamide portion of the stocking:
    • g) heating the stocking in a fresh bath with an initial temperature of 20 to 30 ° C to 95 ° C. In this step, in which the polyamide content of the stocking is dyed in a fresh bath in the exhaust process, for example, a liquor consisting of acid or Metal complex dyes, leveling agents and acid donors or pH control agents (for example, acetic acid). The entire stocking is heated with the liquor to 95 ° C, wherein the heating gradient, for example, 1 to 1.5 ° C / min.
    • h) dyeing the stocking by exhaustion for about 60 to 90 minutes in the liquor. After reaching the cooking temperature, the dyeing time is about 60 to 90 minutes depending on nuance and stocking sensitivity. Subsequently, the stocking is washed out again with hot and cold water and results in accordance with the novel process according to the invention new through-dyed stocking without the known from the prior art and discussed above disadvantages.

Bei einer vorteilhaften Weiterbildung des erfindungsgemäßen Verfahrens kann auf Wunsch bei der Polyamidkomponente des Strumpfs die Waschechtheit mit einem Nachbehandlungsmittel verbessert werden, z. B. mit 1 bis 4g/l Alkylarylsulfonat 0,5 bis 1,5 g/l HCOOH, 85%ig bei 70 bis 80° C auf eine Dauer von 20 bis 30 Minuten.In an advantageous embodiment of the method according to the invention, the wash fastness can be improved with an aftertreatment agent if desired in the polyamide component of the stocking, z. B. with 1 to 4g / l Alkylarylsulfonat 0.5 to 1.5 g / l HCOOH, 85% strength at 70 to 80 ° C for a period of 20 to 30 minutes.

In einer weiteren vorteilhaften Ausbildung des erfindungsgemäßen Verfahrens wird beim Auswaschen der Farbe aus dem Polyamid (Schritt B), d. h. beim Reduzieren bzw. Abziehen der Dispersionsfarbstoffe ein Reduktionsmittel verwendet. Für diesen Schritt wird beispielsweise 1 bis 2g/l Na2S2O4 und 2 bis 4 g/l NaOH und eine Temperatur von 70° bis 80° C über einen Zeitraum von etwa 30 Minuten.In a further advantageous embodiment of the method according to the invention, a reducing agent is used in washing out the paint from the polyamide (step B), ie reducing or stripping the disperse dyes. For example, for this step, 1 to 2 g / l Na 2 S 2 O 4 and 2 to 4 g / l NaOH and a temperature of 70 ° to 80 ° C over a period of about 30 minutes.

System Silikon-Polyester (PES)System silicone-polyester (PES) I.I.

Die Aufgabe wird einerseits gelöst mit einem Verfahren zum Färben eines wenigstens teilweise mit Antirutschmaterial, insbesondere mit Silikon beschichteten Textils aus Polyester, welches als aus mehreren Komponenten zusammengesetztes System vorliegt gemäß Anspruch 6, welches gekennzeichnet ist durch folgende Schritte: a) Aufheizen des Systems in einer Flotte aus alkalienbeständigem Dispersionsfarbstoff, Dispergator und pH-Wert-Steuermittel aus einer Anfangstemperatur von 40 °C bis 60 °C bei einem Aufheizgradienten von 1 bis 2°C/min. auf 125 bis 130°C und b) Färben des Systems für etwa 45 bis 90 min. in der Flotte.The object is achieved on the one hand with a process for dyeing an at least partially coated with anti-slip material, in particular with silicone polyester fabric, which is present as a multi-component system according to claim 6, which is characterized by the following steps: a) heating the system in one Alkali-resistant disperse dye liquor, dispersant and pH control agent from an initial temperature of 40 ° C to 60 ° C with a heating gradient of 1 to 2 ° C / min. at 125 to 130 ° C and b) dyeing the system for about 45 to 90 minutes. in the fleet.

Es ergibt sich mit Durchführung des erfindungsgemäßen Verfahrens ein vollständig neues Produkt, bei dem der in der Beschreibungseinleitung diskutierte optische Mangel, nämlich die nicht vollständige Durchfärbung des Polyestheranteils, nicht mehr vorliegt. Die Silikonanteile des Systems haben die gleiche Farbe wie die Polyesteranteile, also der textile Teil des Systems. Damit handelt es sich um ein optisch sehr ansprechendes homogen aussehendes Produkt. Ein weiterer sehr großer Kosten- und Handlingsvorteil besteht darin, dass z. B. ein fix und fertig vorkonfektionierter halterloser Strumpf mit mit Silikon beschichteten Strumpfabschlussbändem dem Färbeprozess unterworfen werden kann, mit dem Ergebnis, dass ein homogen durchgefärbter Strumpf vorliegt. Separate Färbeverfahren, wie aus dem Stand der Technik bekannt, werden vermieden, auch eine farbliche Zuordnung aus unterschiedlichen Färbeprozessen zugeführter Komponenten erübrigt sich.The result of carrying out the process according to the invention is a completely new product in which the optical defect discussed in the introduction to the description, namely the incomplete staining of the polyester fraction, is no longer present. The silicone components of the system have the same color as the polyester components, ie the textile part of the system. This is a visually appealing homogenous looking product. Another very large cost and handling advantage is that z. For example, a ready-made ready-to-wear stocking with silicone coated garter straps can be subjected to the dyeing process, with the result that there is a homogeneously dyed stocking. Separate dyeing processes, as known from the prior art, are avoided, and a color assignment from different dyeing processes of supplied components is unnecessary.

Eine vorteilhafte Weiterbildung des erfindungsgemäßen Verfahrens ergibt sich dadurch, dass dem Färben des Polyesters mit alkalienbeständigem Dispersionsfarbstoff ein weiterer Schritt folgt, nämlich ein Verbessern der Waschechtheit des Systems mit einem Nachbehandlungsmittel für 20 bis 30 Minuten bei 70° bis 80° C. Der hierdurch erreichte Vorteil ergibt sich bereits aus dem Wortlaut: Die Waschechtheit des gefärbten Systems kann gesteigert werden.An advantageous development of the method according to the invention results from dyeing the polyester with alkali-resistant disperse dye followed by a further step, namely improving the wash fastness of the system with an aftertreatment agent for 20 to 30 minutes at 70 ° to 80 ° C. The advantage achieved thereby Already from the wording: The wash fastness of the colored system can be increased.

Bei dieser Ausführungsform des erfindungsgemäßen Verfahrens, bei dem ein System aus Silikon-Polyester zum Färben ansteht, wird das gesamte System für Polyester unter Hochtemperaturen mit Dispersionsfarbstoffen gefärbt. Vorzugsweise beträgt die Anfangstemperatur hierbei 40° bis 60°C und der Aufheizgradient je nach Strumpfqualität 1° bis 2°C pro Minute, wobei die Endtemperatur bei 125° bis 120°C liegt.In this embodiment of the method according to the invention, where a system of silicone polyester for dyeing is pending, the entire system for polyester is dyed at high temperatures with disperse dyes. Preferably, the initial temperature here is 40 ° to 60 ° C and the heating gradient depending on stocking quality 1 ° to 2 ° C per minute, the final temperature is 125 ° to 120 ° C.

Natürlich spielt die gewünschte Farbnuance und Strumpfqualität jeweils eine entscheidende Rolle für die Dauer der Färbezeit bei Endtemperatur (üblich sind hier etwa 45 bis maximal 90 Minuten). Wie zuvor bereits festgestellt, sind die bei diesen Färbungen verwendeten Hilfsmittel meistens Dispergator und der PH-Wert als Steuergrößen. Beim Färben eines Polyester-Silikonsystems wird vorteilhafterweise bei Verwendung von alkalienbeständigen bzw. alkalienunbeständigen Dispersionsfarbstoffen unterschiedlich vorgegangen. Beim Einsatz von alkalienbeständigen Farbstoffen wird das System beispielsweise nach dem Färben vorteilhafterweise mittels einer Kombination von 1 bis 2 g/l Na2S2O4 und 2 bis 4 g/l NaOH bei einer Temperatur von 70° bis 80°C über einen Zeitraum von ca. 30 Minuten behandelt. Dies ist die sogenannte reduktive Nachreinigung.Of course, the desired color shade and stocking quality each play a crucial role in the duration of the dyeing time at final temperature (usually here are about 45 to a maximum of 90 minutes). As previously stated, the auxiliaries used in these dyeings are mostly dispersant and the pH as control variables. When dyeing a polyester-silicone system is advantageously proceeded differently when using alkali-resistant or alkali-resistant disperse dyes. When using alkali-resistant dyes, the system is advantageously after dyeing, for example, by means of a combination of 1 to 2 g / l Na 2 S 2 O 4 and 2 to 4 g / l NaOH at a temperature of 70 ° to 80 ° C over a period of time treated by about 30 minutes. This is the so-called reductive post-purification.

II.II.

Die Aufgabe wird alternativ gelöst mit einem Verfahren zum Färben eines wenigstens teilweise mit Antirutschmaterial, insbesondere mit Silikon beschichteten Textils aus Polyester, welches als aus mehreren Komponenten zusammengesetztes System vorliegt gemäß Anspruch 8, welches gekennzeichnet ist durch folgende Schritte: a) Aufheizen des Systems in einer Flotte aus alkalienunbeständigem Dispersionsfarbstoff, Dispergator und pH-Wert-Steuermittel aus einer Anfangstemperatur von 40 °C bis 60 °C bei einem Aufheizgradienten von 1 bis 2°C/min. auf 125 bis 130°C und b) Färben des Systems für etwa 45 bis 90 min. in der Flotte.The object is alternatively achieved by a process for dyeing a textile of polyester at least partially coated with anti-slip material, in particular silicone, which is present as a multi-component system according to claim 8, characterized by the following steps: a) heating the system in one An alkali-disperse disperse dye liquor, dispersant and pH control agent from an initial temperature of 40 ° C to 60 ° C with a heating gradient of 1 to 2 ° C / min. at 125 to 130 ° C and b) dyeing the system for about 45 to 90 minutes. in the fleet.

Es ergibt sich auch mit Durchführung dieses erfindungsgemäßen Verfahrens ein vollständig neues Produkt, bei dem der in der Beschreibungseinleitung diskutierte optische Mangel, nämlich die nicht vollständige Durchfärbung des Polyesteranteils, nicht mehr vorliegt und alle bereits oben diskutierten Vorteile erreicht werden.This method according to the invention also results in a completely new product in which the optical defect discussed in the introduction to the description, namely the incomplete dyeing of the polyester portion, no longer exists and all the advantages already discussed above are achieved.

Eine vorteilhafte Weiterbildung des erfindungsgemäßen Verfahrens ergibt sich dadurch, dass dem Färben des Polyesters mit alkalienunbeständigem Dispersionsfarbstoff ein weiterer Schritt folgt, nämlich ein Verbessern der Waschechtheit des Systems mit einem Nachbehandlungsmittel bei 70° bis 80° C. Der hierdurch erreichte Vorteil ergibt sich bereits aus dem Wortlaut: Die Waschechtheit des gefärbten Systems kann gesteigert werden.An advantageous development of the method according to the invention results from the dyeing of the polyester with alkali-disperse disperse dye followed by a further step, namely an improvement in the wash fastness of the system with a post-treatment at 70 ° to 80 ° C. The advantage thus achieved already results from the Text: The washfastness of the colored system can be increased.

Bei einer vorzugsweisen Fortbildung des alternativen erfindungsgemäßen Verfahrens für das System Polyester-Silikon und Verwendung von alkalienunbeständigen Farbstoffen wird mittels einer Kombination von 2 g/l Polyethylenglycol (mittlere modulare Masse etwa 400g pro Mol) und 1 bis 1,5 g/l Natronwasserglas (SiO2.NA2O, Gewichtsverhältnis 3,3) bei 70°C über die Dauer von etwa 40 Minuten nachgereinigt.In a preferred embodiment of the alternative method according to the invention for the polyester-silicone system and use of alkali-resistant dyes, by means of a combination of 2 g / l of polyethylene glycol (average modular mass about 400 g per mole) and 1 to 1.5 g / l sodium silicate (SiO 2 .NA 2 O, weight ratio 3.3) at 70 ° C over the period of about 40 minutes.

Hierbei kommen auch noch andere Alkalien als Nachreinigungsmittel in Frage, z. B. Soda. Wie bereits darauf hingewiesen wurde, kann die Echtheit durch eine Nachbehandlung bzw. ein Nachreinigen erreicht werden, dem dann noch ein Ausspülen mit Rohwasser folgt.Here are also other alkalis as Nachreinigungsmittel in question, eg. B. soda. As has already been pointed out, the authenticity can be achieved by a post-treatment or a post-cleaning, which is then followed by a rinsing with raw water.

Claims (10)

  1. A method of dyeing a polyamide textile material coated at least in part with an antislip-material, particularly with silicone, consisting of a system composed of a plurality of components, characterized by the following steps:
    a) heating the system to boiling temperature in a bath of disperse dye, dispersant and pH controller,
    b) dyeing the system for approx. 20 to 60 min. in the bath,
    c) rinsing off the system through to overflow with hot water,
    d) saponifying or stripping the disperse dye in a fresh bath with an alkali agent,
    e) rinsing off the system hot with water,
    f) rinsing off the system cold with water,
    g) heating the system in a fresh bath to 95 °C from a starting temperature of 20 °C to 30 °C,
    h) scour-dyeing the system for approx. 60 to 90 minutes in the bath,
    i) rinsing off the system hot with water,
    j) rinsing off the system cold with water.
  2. The method as set forth in claim 1, characterized in that step j) is followed by the step:
    k) improving colorfastness of the system with an aftertreatment agent for 20 to 30 min. at 70 °C - 80 °C with subsequent rinsing off with raw water.
  3. The method as set forth in claim 1 or 2, characterized in that in step d) a reduction agent is employed for 30 min. at 70 °C - 80 °C.
  4. The method as set forth in any of the preceding claims, characterized in that steps g) to j) are performed before steps a) to f).
  5. The method as set forth in any of the preceding claims, characterized in that the system is a stay-up stocking of polyamide yarn with a silicone-coated finish band.
  6. A method of dyeing a polyester textile material coated partly with an antislip-material, particularly with silicone, consisting of a system composed of a plurality of components, characterized by the following steps:
    a) heating the system in a bath of alkali-resistant disperse dye, dispersant and pH controller to 125 °C to 130 °C from a starting temperature of 40 °C to 60 °C at a heating rate of 1 °C to 2 °C/min and
    b) dyeing the system for 45 to 90 min. in the bath.
  7. The method as set forth in claim 6, characterized in that step b) is followed by the step
    c) improving colorfastness of the system with an aftertreatment agent for 20 to 30 min. at 70 °C - 80 °C followed by rinsing off with raw water.
  8. A method of dyeing a polyester textile material coated at least partly with an antislip-material, particularly with silicone, consisting of a system composed of a plurality of components, characterized by the following steps:
    a) heating the system in a bath of disperse dye, dispersant and pH controller to 125 °C to 130 °C from a starting temperature of 40 °C to 60 °C at a heating rate of 1 °C to 2 °C/min. and
    b) dyeing the system for 45 to 90 min. in the bath.
  9. The method as set forth in claim 8, characterized in that step b) is followed by the step
    c) improving colorfastness of the system with an aftertreatment agent at 70 °C followed by rinsing off with raw water.
  10. The method as set forth in any of the claims 6 to 9, characterized in that the system is a stay-up stocking of polyamide yarn with a silicone-coated finish band.
EP06019593A 2006-04-12 2006-09-19 Process for dyeing textile materials Active EP1852549B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200610017273 DE102006017273B4 (en) 2006-04-12 2006-04-12 Process for dyeing textiles
DE200610025442 DE102006025442A1 (en) 2006-05-31 2006-05-31 Method for dyeing a polyamide textile partially coated with silicone as anti-slip material comprises heating a system to a boiling temperature in a bath, dyeing the system, rinsing with hot water and further processing

Publications (3)

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EP1852549A2 EP1852549A2 (en) 2007-11-07
EP1852549A3 EP1852549A3 (en) 2007-12-19
EP1852549B1 true EP1852549B1 (en) 2009-01-21

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Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1540295A (en) * 1967-01-31 1968-09-27 Improvements to stockings or socks comprising an elastic band for fixing
JP3464957B2 (en) * 1999-12-09 2003-11-10 澤本 良平 Dyeing method for heterogeneous fiber underwear products
US6544300B1 (en) * 1999-12-27 2003-04-08 Milliken & Company Process for making dyed textile materials having high colorfastness, and materials made therefrom

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DE502006002713D1 (en) 2009-03-12
EP1852549A3 (en) 2007-12-19
EP1852549A2 (en) 2007-11-07
ATE421609T1 (en) 2009-02-15

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