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
  • D06P3/14—Wool
  • D06P3/16—Wool using acid 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
  • D06P3/02—Material containing basic nitrogen
  • D06P3/04—Material containing basic nitrogen containing amide groups
  • D06P3/24—Polyamides; Polyurethanes
  • D06P3/241—Polyamides; Polyurethanes using acid 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
  • D06P3/82—Textiles which contain different kinds of fibres
  • D06P3/8204—Textiles which contain different kinds of fibres fibres of different chemical nature
  • D06P3/8209—Textiles which contain different kinds of fibres fibres of different chemical nature mixtures of fibres containing amide groups
• • 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
  • Y10S8/916—Natural fiber dyeing
  • Y10S8/917—Wool or silk
• • 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
  • Y10S8/924—Polyamide fiber

Definitions

• the present invention relates to a process for trichromatic dyeing or printing of natural and synthetic polyamide fiber materials with at least one blue-coloring, sulfo-containing anthraquinone dye, at least one red-dyeing azo dye and at least one yellow-colored or orange-dyeing azo dye.
• the object underlying the present invention was to find a method for dyeing or printing natural and synthetic polyamide fiber materials with dyes suitable for combination according to the trichromatic principle.
• the dyeings obtained in this way fulfill the tasks set.
• the dyeings obtained are distinguished by a uniform color structure with constant shade in different concentrations and good combinability.
• the present invention relates to a process for trichromatic dyeing or printing of natural or synthetic polyamide fiber materials, which is characterized in that at least one blue-coloring anthraquinone dye of the formula wherein R1, R2, R3 and R4 are independently hydrogen or C1-C6 alkyl, the sum of the carbon atoms of the radicals R1, R2, R3 and R4 being 4, 5 or 6 and the sulfo group in the anthraquinone dye of the formula (1) being bonded in the 6 or 7 position, together with at least one red-coloring dye of the formula wherein R5 is phenyl or cyclohexyl and R6 is C1-C4-alkyl, or the radicals R5 and R6 together with the nitrogen atom connecting them form an azepinyl ring, and at least one of the yellow or orange-colored dyes of the formulas (3), (4) and ( 5) wherein R7, R8 and R10 are independently hydrogen, C1-C4-alkyl, C
• Trichromatic is to be understood as the additive color mixture of suitably selected yellow or orange, red and blue coloring dyes, with which any desired shade of the visible color spectrum can be adjusted by a suitable choice of the proportions of the dyes.
• C1-C6 alkyl for R1, R2, R3 and R4 in formula (1) e.g. Methyl, ethyl, propyl, isopropyl, butyl, isobutyl, sec-butyl, tert-butyl and straight-chain or branched pentyl or hexyl are also suitable.
• the C1-C4 alkyl radicals are preferred.
• the anthraquinone dyes of the formula (1) are generally used as mixtures of isomers, the individual isomers differing only in the sulfo group bonded in the 6- or 7-position; however, the individual isomers can also be used as individual dyes.
• R6, R7, R8, R9, R10, B1, B2, E1, X, W2 and W3 are methyl, ethyl, propyl, isopropyl, butyl, isobutyl, sec-butyl or tert-butyl into consideration.
• R7, R8, R10, B1, B2, E1 and W2 for example methoxy, ethoxy, propoxy, isopropoxy, butoxy, sec-butoxy, isobutoxy or tert-butoxy.
• C2-C4-alkanoylamino for example acetylamino, propionylamino or butyrylamino, especially acetylamino.
• R7, R8, R10 and W2 for example fluorine or bromine and especially chlorine come into consideration.
• C2-C4-hydroxyalkyl radical for X is a straight-chain or branched hydroxyalkyl radical, such as the ⁇ -hydroxyethyl, ⁇ -hydroxypropyl, ⁇ -hydroxybutyl or the ⁇ -ethyl- ⁇ -hydroxyethyl radical.
• W4 is a C1-C8 alkyl residue, it is e.g. methyl, ethyl, propyl, isopropyl, butyl, isobutyl, sec-butyl, tert-butyl, and straight-chain or branched pentyl, hexyl, heptyl or octyl.
• W1 as phenylsulfonyl and W3 as phenyl can be unsubstituted in the phenyl ring or by C1-C4-alkyl, such as methyl, ethyl, propyl, isopropyl, butyl, isobutyl, sec-butyl or tert-butyl, C1-C4-alkoxy, such as methoxy , Ethoxy, propoxy, isopropoxy, butoxy, sec-butoxy, isobutoxy or tert-butoxy, or by halogen, such as Fluorine, bromine or especially chlorine, may be substituted.
• C1-C4-alkyl such as methyl, ethyl, propyl, isopropyl, butyl, isobutyl, sec-butyl or tert-butyl
• C1-C4-alkoxy such as methoxy , Ethoxy, propoxy, isopropoxy, butoxy,
• the anthraquinone dyes of the formula (1) used are preferably those in which R2 and R3 are independently methyl or ethyl and R4 is hydrogen or methyl.
• the radical R 1 in the anthraquinone dye of the formula (1) is preferably isopropyl or sec-butyl, in particular isopropyl.
• Anthraquinone dyes of the formula (1) in which R1 is isopropyl, R2 and R3 are independently methyl or ethyl and R4 is hydrogen or methyl are particularly preferred for the process according to the invention.
• the sum of the carbon atoms of the radicals R1, R2, R3 and R4 in the anthraquinone dye of the formula (1) is preferably the number 5.
• Anthraquinone dyes of the formula (1) in which R1 is isopropyl, R2 and R3 are methyl and R4 is hydrogen are very particularly preferred.
• a dye of the formula is preferably used as the red-coloring dye of the formula (2) or in particular a dye of the formula (6) or (7) and preferably a dye of the formula (6).
• the yellow or orange coloring dyes of the formula (3) are preferably dyes containing sulfo groups.
• yellow or orange coloring dyes of the formula (4) are preferably used in which B1 and B2 are independently C1-C Alkyl-alkyl or C1-C4-alkoxy, E1 is hydrogen and X is C1-C4-alkyl, especially the dye of formula
• yellow or orange coloring dyes of the formula (5) are preferably used in which W1 phenylsulfonyl, W2 hydrogen, halogen or C1-C4-alkyl, W3 optionally substituted by C1-C4-alkyl, C1-C4-alkoxy or halogen-substituted phenyl and W4 is hydrogen, especially the dye of the formula
• a dye of the formula (3) in which R7 is hydrogen, R8 and R9 are C1-C4-alkyl, R10 is sulfo and n is the number 1, or a dye of the formula (4 ), in which B1 and B2 are independently C1-C4-alkyl or C1-C4-alkoxy, E1 is hydrogen and X is C1-C4-alkyl, or a dye of the formula (5), in which W1 is phenylsulfonyl, W2 is hydrogen, halogen or C1-C4-alkyl, W3 is phenyl optionally substituted by C1-C4-alkyl, C1-C4-alkoxy or halogen and W und is hydrogen.
• an anthraquinone dye of the formula (1) is used together with a red-coloring dye of the formula (6) or (7) and a yellow or orange-coloring dye of the formula (9) or (11), where the meanings and preferences given above apply to the anthraquinone dye of the formula (1).
• the present invention further provides dye mixtures which comprise at least one anthraquinone dye of the formula (1) together with at least one red-coloring dye of the formula (2) and at least one yellow or orange-coloring dye of the formulas (3), (4) and (5 ) contain.
• the meanings and preferences given above apply to the dyes of the formulas (1), (2), (3), (4) and (5).
• the dyes of the formulas (1), (2), (3), (4) and (5) used in the process according to the invention for trichromatic dyeing or printing are known or can be prepared analogously to known dyes.
• the anthraquinone dyes are obtained analogously to the information in GB-A-1,438,354.
• the dyes used in the process according to the invention for trichromatic dyeing or printing are either in the form of their free sulfonic acid or preferably as their salts.
• suitable salts are the alkali, alkaline earth or ammonium salts or the salts of an organic amine.
• suitable salts include the sodium, lithium, potassium or ammonium salts or the salt of mono-, di- or triethanolamine.
• the dyes used in the process according to the invention can contain further additives such as e.g. Table salt or dextrin included.
• the process according to the invention for trichromatic dyeing or printing can be applied to the customary dyeing or printing processes.
• the dyeing liquors or printing pastes can contain other additives, for example wetting agents, anti-foaming agents, leveling agents or agents which influence the property of the textile material, such as e.g. Plasticizers, flame retardants or dirt, water and oil repellents, water softeners and natural or synthetic thickeners such as Alginates and cellulose ethers.
• the process according to the invention for trichromatic dyeing or printing is also for dyeing from short liquors, such as e.g. suitable for continuous dyeing processes or discontinuous and continuous foam coloring processes.
• the dyes used in the process according to the invention are distinguished in trichromatic dyeing or printing by uniform color build-up, good absorption behavior, good constancy of shades even in different concentrations, good fastness properties and in particular by very good combinability.
• the process according to the invention for trichromatic dyeing or printing is suitable for dyeing or printing both natural polyamide materials such as wool, such as in particular of synthetic polyamide materials, such as polyamide 6 or polyamide 6.6, and is suitable for dyeing or printing wool and synthetic polyamide blended fabrics or yarns.
• the textile material mentioned can be in a wide variety of processing forms, such as as fiber, yarn, woven or knitted fabric and in particular in the form of carpets.
• parts represent parts by weight.
• the temperatures are degrees Celsius.
• the relationship between parts by weight and parts by volume is the same as that between grams and cubic centimeters.
• the dyeing time at a temperature of 98 ° C is 30 to 90 minutes.
• the dyed polyamide fiber material is then removed and rinsed and dried as usual.
• a piece of fabric dyed in a brown shade that does not show any streakiness due to the material is obtained.
• the anthraquinone dyes of the formulas (101), (104), (105) and (106) listed in the above examples are each used as isomer mixtures, the individual isomers differing only in the position of the sulfo group in the 6- or 7-position; the mixing ratio of the two isomers is approximately 1: 1.
• the individual isomers can also be used as individual dyes.

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• Engineering & Computer Science (AREA)
• Textile Engineering (AREA)
• Coloring (AREA)

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• 1993
  • 1993-11-24 ES ES93810813T patent/ES2099409T3/es not_active Expired - Lifetime
  • 1993-11-24 US US08/157,852 patent/US5399183A/en not_active Expired - Fee Related
  • 1993-11-24 EP EP93810813A patent/EP0601971B1/fr not_active Expired - Lifetime
  • 1993-11-24 DE DE59305745T patent/DE59305745D1/de not_active Expired - Fee Related
  • 1993-11-29 JP JP5297939A patent/JPH06212576A/ja active Pending

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