EP0109030B1 - Procédé de teinture de produits textiles contenant des fibres de polyester linéaire ignifugées - Google Patents

Procédé de teinture de produits textiles contenant des fibres de polyester linéaire ignifugées Download PDF

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Publication number
EP0109030B1
EP0109030B1 EP83111120A EP83111120A EP0109030B1 EP 0109030 B1 EP0109030 B1 EP 0109030B1 EP 83111120 A EP83111120 A EP 83111120A EP 83111120 A EP83111120 A EP 83111120A EP 0109030 B1 EP0109030 B1 EP 0109030B1
Authority
EP
European Patent Office
Prior art keywords
dyeing
fibers
dyestuffs
fiber
containing flame
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
EP83111120A
Other languages
German (de)
English (en)
Other versions
EP0109030A1 (fr
Inventor
Siegfried Dr. Müller
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.)
Hoechst AG
Original Assignee
Hoechst 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 Hoechst AG filed Critical Hoechst AG
Priority to AT83111120T priority Critical patent/ATE22133T1/de
Publication of EP0109030A1 publication Critical patent/EP0109030A1/fr
Application granted granted Critical
Publication of EP0109030B1 publication Critical patent/EP0109030B1/fr
Expired legal-status Critical Current

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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
    • D06P3/34—Material containing ester groups
    • D06P3/52—Polyesters
    • D06P3/528—Polyesters using reactive dyes
    • 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

Definitions

  • the present invention relates to a process for dyeing fiber material which consists of flame-retardant, linear phthalic acid esters with condensed phosphorus-containing chain links or contains such, with water-insoluble disperse dyes.
  • DE-PS-2 346 787 describes the production of flame-retardant textile material from linear phthalate fibers with condensed, phosphorus-containing chain links.
  • the same literature reference already gives an indication of the dyeing of these fibers with disperse dyes and with acid dyes.
  • Flame retardant fibers of the type mentioned are not to be described as carrier-free dyeable, but they can be dyed to medium color depths without carrier addition with good color yield at cooking temperature.
  • the purpose of the present invention is now to alleviate the above-mentioned deficiencies that occur when dyeing flame-retardant polyester fibers and to achieve flawlessly real dyeings on textile material containing only such fibers or the corresponding component of fiber blends, and that according to common practice Dyeing processes. In this way, the application technology sector of these types of fibers should be expanded considerably.
  • disperse dyes containing in the molecule at least one strongly polarized vinyl sulfone-type group bonded to an aromatic nucleus of the chromophore are used as colorants and the fixation of these dyes on the fiber from aqueous dispersion at pH values in the range from 5 to 10 brought about by exposure to heat.
  • the advantages that can be achieved on the basis of these measures are good fastness to washing and sublimation of such dyeings even in deep tones. Good to very good lightfastness properties also result from such dyeings.
  • the washing fastness properties that were previously insufficient for washing at 60 ° C can now be described as very good.
  • the fiber material can now be used in the object sector, i.e. H. can be used for any kind of usage-related textiles. Use in the laundry area (e.g. bed linen for hospitals and nursing homes) is no longer impossible.
  • These fibers can now also be used in a mixture with cellulose fibers, which has not hitherto been possible, because even in a mixture with flame-retardant cellulose fibers, the required fastness properties of the dyeings have not been achieved.
  • the area of application for certain modified polyester fibers is expanded and fire safety is increased.
  • All water-insoluble disperse dyes can be used as dyes for the dyeing process according to the invention which, in the finely dispersed state, are otherwise also suitable for dyeing synthetic fiber material, provided that in the present case they have a strongly polarized grouping of the vinyl sulfone type.
  • Most representatives of this class of dyes are constitutionally azo, anthraquinone, nitro or quinophthalone compounds, are predominantly free of carboxyl and / or sulfo groups and all have at least one strongly polarized group attached to an aromatic nucleus of the chromophore in the molecule Base of the vinyl sulfone residue.
  • the dyes are, as is customary with disperse dyes, dispersed and then added to the dyebath in the usual way. In general, dyeing takes place at pH values from 5 to 10. Experience has shown that the best color yields are obtained at pH 7 to 9.
  • Suitable fiber materials for the present dyeing process in the textile material used are flame-retardant, linear phthalic acid esters with condensed, phosphorus-containing chain links based on carboxyphosphinic acids according to DE-PS2346787.
  • Cellulose fibers, but also wool fibers, are primarily used as mixture components of natural origin for the modified polyester fibers mentioned.
  • thermosol processes or block processes with subsequent thermosoling temperatures above 190 ° C. should be avoided, it being immaterial whether the dye is fixed by dry heat using hot air or superheated steam, contact heat or IR radiation.
  • a fabric made of flame-retardant, linear phthalic acid ester fibers with condensed, phosphorus-containing chain links is wound straight onto a perforated staining tree (winding thickness approx. 30% of the tree diameter) and in an HT tree dyeing machine with one-sided liquor circulation from inside to outside at 120 ° C for 45 min with one treated aqueous liquor, which is a fine dispersion of 1.2% of the disperse dye of the formula
  • the goods so dyed are first rinsed with water and then soaped at the boil for 20 minutes in a neutral, aqueous bath.
  • a golden yellow dyeing is obtained on the fiber material with excellent fastness to light, boil, and heat set.
  • a linen weave (160 g / m 2 ) made of flame-retardant, linear phthalic acid ester fibers with condensed, phosphorus-containing chain links is placed on a padder with an aqueous dye liquor containing 30 g / l of the disperse dye of the formula
  • padded fabric contains in finely dispersed form and is adjusted to a pH of about 8, padded at room temperature and a liquor absorption of about 60% and then dried at 130 ° C.
  • the padded fabric is then subjected to a dry heat treatment at 190 ° C. for 60 seconds to fix the dye on the fiber and then soaped at the boil in a neutral, aqueous bath.
  • the pigeon gray coloration resulting from the treated textile is characterized by excellent fastness to boiling.
  • a velvet fabric made of flame-retardant, linear phthalic acid ester fibers with condensed, phosphorus-containing chain links is treated in a closed reel skid at cooking temperature for 60 minutes with an aqueous liquor which contains 1% of the disperse dye of the formula in a conventionally dispersed state and 4% of a carrier emulsion based on 60% methylnaphthalene and which is adjusted to a practically neutral environment.
  • the fabric dyed in this way is rinsed hot with water after completion of the dyeing operation and then subjected to a neutral boil in the aqueous medium for 20 minutes.
  • the carrier used is removed from the goods by a subsequent hot air treatment of the dyeing at 150 ° C. for 3 minutes. A blue dyeing with very good fastness to washing and heat setting is obtained on the textile.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Coloring (AREA)
  • Drying Of Solid Materials (AREA)
  • Artificial Filaments (AREA)

Claims (2)

1. Procédé pour la teinture d'un matériau fibreux, consistant en esters phtaliques linéaires, difficilement inflammables, comportant des motifs de chaîne phosphorés, condensés, ou bien contenant de tels esters, par des colorants dispersables, insolubles dans l'eau, caractérisé en ce que l'on utilise comme colorant des colorants dispersables contenant dans la molécule au moins un groupement fortement polarisé du type vinylsulfone, lié à un noyau aromatique du chromophore, et en ce que l'on effectue le fixage de ces colorants sur les fibres à partir de dispersions aqueuses dont le pH se trouve à une valeur comprise entre 5 et 10, par action de la chaleur.
2. Procédé selon la revendication 1, caractérisé en ce que l'opération de teinture est menée à une valeur de pH comprise entre 7 et 9.
EP83111120A 1982-11-13 1983-11-08 Procédé de teinture de produits textiles contenant des fibres de polyester linéaire ignifugées Expired EP0109030B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT83111120T ATE22133T1 (de) 1982-11-13 1983-11-08 Verfahren zum faerben von textilgut aus schwer entflammbaren, linearen polyesterfasern.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3242033 1982-11-13
DE19823242033 DE3242033A1 (de) 1982-11-13 1982-11-13 Verfahren zum faerben von textilgut aus schwer entflammbaren, linearen polyesterfasern

Publications (2)

Publication Number Publication Date
EP0109030A1 EP0109030A1 (fr) 1984-05-23
EP0109030B1 true EP0109030B1 (fr) 1986-09-10

Family

ID=6178056

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83111120A Expired EP0109030B1 (fr) 1982-11-13 1983-11-08 Procédé de teinture de produits textiles contenant des fibres de polyester linéaire ignifugées

Country Status (5)

Country Link
EP (1) EP0109030B1 (fr)
JP (1) JPS59117556A (fr)
AT (1) ATE22133T1 (fr)
DE (2) DE3242033A1 (fr)
PT (1) PT77647B (fr)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB896041A (en) * 1958-11-18 1962-05-09 Hoechst Ag Process for producing fast dyeings or prints on textile materials or films of lineararomatic polyesters
DE2362683A1 (de) * 1973-12-17 1975-06-19 Cassella Farbwerke Mainkur Ag Verfahren zum faerben von polyester- baumwolle-mischgeweben

Also Published As

Publication number Publication date
ATE22133T1 (de) 1986-09-15
EP0109030A1 (fr) 1984-05-23
JPS59117556A (ja) 1984-07-06
PT77647B (de) 1986-04-17
DE3242033A1 (de) 1984-05-17
DE3366130D1 (en) 1986-10-16
PT77647A (de) 1983-12-01

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