EP0099111B1 - Procédé de teinture à haute température de matériaux en polyester - Google Patents

Procédé de teinture à haute température de matériaux en polyester Download PDF

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Publication number
EP0099111B1
EP0099111B1 EP83106830A EP83106830A EP0099111B1 EP 0099111 B1 EP0099111 B1 EP 0099111B1 EP 83106830 A EP83106830 A EP 83106830A EP 83106830 A EP83106830 A EP 83106830A EP 0099111 B1 EP0099111 B1 EP 0099111B1
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EP
European Patent Office
Prior art keywords
dye
dyeing
block polymer
dyes
ethylene oxide
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.)
Expired
Application number
EP83106830A
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German (de)
English (en)
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EP0099111A1 (fr
Inventor
Hans Dr. Mollet
Paul Dussy
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.)
Novartis AG
Original Assignee
Ciba Geigy AG
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Publication date
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Publication of EP0099111A1 publication Critical patent/EP0099111A1/fr
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Classifications

    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
    • D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
    • D06P1/60—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders using compositions containing polyethers
    • D06P1/613—Polyethers without nitrogen
    • D06P1/6138—Polymerisation products of glycols, e.g. Carbowax, Pluronics
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S8/00—Bleaching and dyeing; fluid treatment and chemical modification of textiles and fibers
    • Y10S8/92—Synthetic fiber dyeing
    • Y10S8/922—Polyester fiber
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S8/00—Bleaching and dyeing; fluid treatment and chemical modification of textiles and fibers
    • Y10S8/934—High temperature and pressure dyeing

Definitions

  • polyester materials were practically only colored using the carrier process.
  • the disadvantages of this process were soon recognized, such as blotchy discolouration (carrier stains), poor light and rub fastness or the unpleasant smell during dyeing.
  • blotchy discolouration carrier stains
  • poor light and rub fastness or the unpleasant smell during dyeing.
  • high-temperature dyeing HT dyeing for short, which is free from the disadvantages mentioned, was able to do so compared to carrier dyeing in general push through.
  • the HT process in which the material to be dyed and the dyeing liquor are heated to temperatures of 125 to 135 ° C., not only gives dyeings with good fastness properties, but also only requires relatively short dyeing times. With all the advantages, however, HT dyeing is also not entirely problem-free in the implementation.
  • the stability of the dye dispersion in the HT range is particularly difficult, i.e. at temperatures above 100 ° C. Many disperse dyes tend to agglomerate or recrystallize at these temperatures and fail. Agglomerates of this type are particularly noticeable when dyeing cross-wound bobbins, since the coarser dye particles are filtered off on the outer sides of the bobbins and thereby cause uneven dyeings.
  • anionic dispersant In order to increase the dispersion stability of the dyes under HT conditions, large amounts of anionic dispersant are generally added to the dyebath or dye preparations are used which contain a large amount of anionic dispersant.
  • concentration of dispersant is up to 80%, based on the dye preparation.
  • Such high dispersant concentrations not only represent a heavy burden on the wastewater, but also have an unfavorable effect on the degree of exhaustion, which in some cases means that considerable amounts of dye remain in the dye bath. In addition to a loss of valuable dye, this also means pollution of the wastewater.
  • nonionic auxiliaries namely ethylene oxide / propylene oxide block polymers with a molecular weight of at least 5,000, surprisingly ensure the dispersion stability of disperse dyes in the HT range and, moreover, are extremely effective even in low concentrations.
  • the present invention thus relates to a process for HT-dyeing polyester fiber material with dyes which are sparingly soluble in water, which is characterized in that a dyeing liquor is used which contains at least one nonionic ethylene oxide / propylene oxide block polymer with a molecular weight of at least 5,000.
  • the ethylene oxide / propylene oxide block polymers used are preferably those with a molecular weight of 5,000 to 20,000 of the following structure: where the indices a, b and c represent an integer greater than 1; the sum of a + b + c is in the range of 200 to 400 and (a + c) / b is 3 to 9.
  • a particularly favorable influence on the dispersion stability are ethylene oxide / propylene oxide block polymers with a molecular weight of 15,000 to 17,000 at a ratio of (a + c): b equal to 4 to 6.
  • the nonionic dispersant is preferably added to the dyebath in a concentration of 5 to 20% by weight, in many cases a concentration of 10% by weight, based on the dye, is sufficient.
  • the dyeing temperature of the process according to the invention is in a range from 120 ° to 140 ° C. Approx.
  • the material to be dyed is left in the dyebath at this temperature for 1 hour.
  • the dye bath is then allowed to cool, the dyed material is removed from the dyeing machine and finished using customary methods.
  • the sparingly water-soluble dyes used in the process according to the invention are above all disperse dyes which can belong to the following chemical classes: nitro dyes, amino ketone dyes, ketone imine dyes, methine dyes, nitrodiphenylamine dyes, quinoline dyes, amino naphthoquinone dyes, coumarin dyes and in particular anthraquinone dyes, and in particular anthraquinazo dyes Disazo dyes.
  • the dyes are used in finely dispersed form (primary particle size ⁇ 5 p.m), but can also have a particle size of up to 20 ⁇ m.
  • Humectants such as N, N-bis (dihydroxypropyl) butylamine and Antifreezes, for example the polyols, ethylene glycol, monopropylene glycol, diethylene glycol, glycerin, sorbitol and others or formamide; Antimicrobica; Fungicides, for example aqueous formalin solution; Antifoam and viscosity improver.
  • solid dye preparations obtained by spray drying for example, can also be used in the present dyeing process.
  • additives can be added to the dye liquor, such as inorganic salts such as e.g. Ammonium sulfate or small amounts of anionic dispersants, such as lignin sulfonates or formaldehyde condensates of naphthalene sulfonic acids.
  • the pH of the liquor is conveniently e.g. adjusted to a value between 4 and 6 by adding formic acid.
  • the polyester fiber material which can be dyed by the present process consists of aromatic polyesters, in particular of polyethylene glycol terephthalate, and can be in various processing forms, such as knitted fabrics, fabrics, yarns and fibers, as well as finished articles, such as Shirts or ties.
  • the dyeing units for dyeing polyester flakes and card sliver HT circulation apparatuses with packing cylinders are suitable. Smooth yarns can also be dyed on X-bobbins and textured yarns as a cross wrap in HT circulation machines. Fabrics and knitwear are dyed in HT reel runners or HT jet machines or HT tree dyeing machines.
  • the liquor is heated to 60 ° C. and 10 parts of a fabric made of polyethylene terephthalate are added and the mixture is further heated to 130 ° C. with good filter circulation.
  • the dyeing is continued at 130 ° C. for 1 hour, then cooled to 90 ° C. and the fabric is rinsed first with warm, then with cold water.
  • the dyeing liquor is practically completely drawn out and you get a level deep red dyeing with excellent fastness properties.
  • Fabric made of polyethylene terephthalate is dyed in an HT dyeing machine as described in Example 1.
  • 3 parts of a formulation which, in 100 g, contain 25.4 g of a dye mixture consisting of two dyes of the following constitution (particle size ⁇ 2 ⁇ m) where the radical R in one case is hydrogen and in the other case chlorine (mixing ratio 1: 3) 3 g of the block polymer mentioned in Example 1 (MW approx. 16,500; (a + c): b - 5) and 71.6 g contains water.
  • the dye bath is here practically completely drawn out at the end of the dyeing. A deep level navy blue coloration with very good fastness properties is obtained.
  • Fabric made of polyethylene terephthalate is dyed in an HT dyeing machine as described in Example 1. Instead of 2 parts of the dye formulation given there, however, 2 parts of a formulation are used which, in 100 g, contain 38.6 g of a dye of the formula (average particle size 0.2 to 0.5 pm) contains 3 g of the block polymer mentioned in Example 1 (MW approx. 16,500; (a + c): b - 5) and 58.4 g of water, but with part of the water through a humectant of the formula can be replaced.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Coloring (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)

Claims (5)

1. Procédé de teinture à haute température de matières en fibres de polyester avec des colorants difficilement solubles dans l'eau, caractérisé par le fait que l'on utilise un bain de teinture qui contient au moins un polymère séquencé non ionique oxyde d'éthylène/oxyde de propylène ayant un poids moléculaire d'au moins 5000.
2. Procédé selon la revendication 1, caractérisé par le fait que l'on utilise un polymère séquencé oxyde d'éthylène/oxyde de propylène ayant un poids moléculaire de 5000 à 20000 et ayant la structure suivante:
Figure imgb0008
où a, b et c représentent un nombré entier supérieur à 1, la somme a+b+c se trouve comprise entre 200 et 400, et (a + c)/b est compris entre 3 et 9.
3. Procédé selon la revendication 2, caractérisé par le fait que l'on utilise un polymère séquencé oxyde d'éthylène/oxyde de propylène ayant un poids moléculaire de 15000 à 17000, où (a+c)/b est compris entre 4 et 6:
4. Procédé selon la revendication 1, caractérisé par le fait que l'on utilise le polymère séquencé oxyde d'éthylène/oxyde de propylène en une concentration de 5 à 20 % en poids par rapport à la quantité de colorant.
5. Procédé selon la revendication 1, caractérisé par le fait que l'on approte le polymère séquencé oxyde d'éthylène/oxyde de propylène dans le bain de teinture au moyen d'une préparation de teinture ayant la formulation correspondante.
EP83106830A 1982-07-15 1983-07-12 Procédé de teinture à haute température de matériaux en polyester Expired EP0099111B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH4305/82 1982-07-15
CH430582 1982-07-15

Publications (2)

Publication Number Publication Date
EP0099111A1 EP0099111A1 (fr) 1984-01-25
EP0099111B1 true EP0099111B1 (fr) 1986-11-05

Family

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Family Applications (1)

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EP83106830A Expired EP0099111B1 (fr) 1982-07-15 1983-07-12 Procédé de teinture à haute température de matériaux en polyester

Country Status (4)

Country Link
US (1) US4518392A (fr)
EP (1) EP0099111B1 (fr)
JP (1) JPS5966586A (fr)
DE (1) DE3367420D1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4655786A (en) * 1983-11-15 1987-04-07 Ciba-Geigy Corporation Process for dyeing hydrophobic fibre material with disperse dye and surfactant
US4653295A (en) * 1984-04-13 1987-03-31 Frank Clifford G Apparatus for the dyeing of shaped articles
US4550579A (en) * 1984-04-13 1985-11-05 Frank Clifford G Apparatus for the dyeing of shaped articles

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2880050A (en) * 1956-01-27 1959-03-31 Celanese Corp Butyl benzoate as a dyeing assistant
FR1537952A (fr) * 1967-07-21 1968-08-30 Ugine Kuhlmann Procédé pour l'obtention de teintures unies sur fibres de polyamides
CH1696171A4 (fr) * 1971-01-22 1973-09-14
DE2162672A1 (de) * 1971-12-17 1973-06-20 Henkel & Cie Gmbh Verfahren zur durchfuehrung von textilbehandlungsprozessen in der textilindustrie
US3784479A (en) * 1972-05-15 1974-01-08 Dow Corning Foam control composition
JPS5810432B2 (ja) * 1976-12-27 1983-02-25 花王株式会社 染料調整物
CA1124457A (fr) * 1977-11-10 1982-06-01 Ciba-Geigy Investments Ltd. Methode de teinture
CH632631B (de) * 1977-11-23 Ciba Geigy Ag Waessrige praeparate von in wasser unloeslichen bis schwerloeslichen farbstoffen und optischen aufhellern.
GB2037819B (en) * 1978-11-10 1983-07-20 Yorkshire Chemicals Ltd Disperse dye compositions
FR2446350B1 (fr) * 1979-01-11 1984-08-24 Ciba Geigy Ag Procede pour teindre des matieres cellulosiques textiles n'ayant pas ete nettoyees au prealable, preparation et produits utilises a cet effet, et matieres cellulosiques teintes par ce procede
JPS5725678A (en) * 1980-07-24 1982-02-10 Furukawa Battery Co Ltd:The Sealed storage battery

Also Published As

Publication number Publication date
DE3367420D1 (en) 1986-12-11
EP0099111A1 (fr) 1984-01-25
US4518392A (en) 1985-05-21
JPS5966586A (ja) 1984-04-16

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