Classifications

• • C—CHEMISTRY; METALLURGY
  • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
  • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
  • C09B67/00—Influencing the physical, e.g. the dyeing or printing properties of dyestuffs without chemical reactions, e.g. by treating with solvents grinding or grinding assistants, coating of pigments or dyes; Process features in the making of dyestuff preparations; Dyestuff preparations of a special physical nature, e.g. tablets, films
  • C09B67/0033—Blends of pigments; Mixtured crystals; Solid solutions
• • 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
  • 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
  • D06P5/00—Other features in dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form

Definitions

• Acid dyes are mainly used to dye wool, others
• Acid dye on polyamide can differ significantly from those on wool. These are, for example, the color itself
• Acid dye mixture on polyamide, wool and on polyamide / wool blended fibers provides good reproducible colorations with good wet fastness.
• the present invention is an acid dye mixture comprising
• R1 is H, d-Ce-alkyl
• R 2 is H, C 1 -C 6 alkyl; b) from 5 to 30% by weight, preferably from 5 to 20% by weight, particularly preferably from 10 to 15% by weight, of at least one dye B having the general structure (B)
• R 3 is H, phenyl, where phenyl is substituted or unsubstituted
• C C double bond an unsubstituted or substituted phenyl ring, R6 H, sulfo;
• weight percentages are based on the total weight of the
• Acid dye mixture are related.
• the positive charge in formula (B) is usually substituted by a negative charge of a sulfo group contained in the molecule or by an equivalent of an anion, e.g. B. Cl " , VT S0 4 2" neutralized.
• sulfo is a radical of formula S0 3 M.
• M is preferably a single negative charge, hydrogen, an alkali metal or ammonium.
• alkali metal preferably means Li, Na, or K, especially Na.
• ammonium is preferably NH 4 + ,
• Substituted phenyl ring preferably denotes a phenyl radical which is mono- or polysubstituted, preferably mono-, di- or trisubstituted, by one or more substituents selected from the group consisting of C 1 -C 4 -alkyl, halogen, C 1 -C 4 -alkoxy, hydroxy, sulfo , Amino or nitro are particularly preferred substituents are methyl, Cl, amino, methoxy, ethoxy and sulfo.
• R 1 and R 2 independently of one another are hydrogen or methyl.
• R 3 is hydrogen, unsubstituted phenyl or phenyl substituted with amino, sulfo and / or ethoxy.
• R5 is hydrogen or methoxy, or in a likewise preferred embodiment, R4 and R5
• Preferred dyes of the formula (B) are those in which
• R3 is hydrogen or unsubstituted phenyl
• R4 is hydrogen or sulfo
• R5 is hydrogen or methoxy
• R6 is hydrogen or sulfo
• R3 is phenyl substituted with amino, sulfo and / or ethoxy
• R4 is hydrogen or sulfo
• R6 is hydrogen
• the dyes of the formulas (A) and (B) are known per se and can be prepared by known methods, for example as described in: Ulimann, 6.Aveml., 0.1002 / 14356007. a02_355, pages 1 - 68
• Another object of the present invention is a process for the preparation of the acid dye mixture described above, by mixing the at least one dye A with the at least one dye B in the weight ratios indicated above, for example in the form of their dry powder, press cake or preferably aqueous solutions.
• the dyes A and B can also be mixed together only in the dyebath.
• the dye mixtures according to the invention are particularly suitable for fibrous material which consists of natural and / or synthetic
• Polyamides consists of dyeing or printing in blue tones.
• the dye mixtures according to the invention are also suitable for producing inkjet printing inks and for printing with these fibrous material which consists of natural and / or synthetic polyamides or cellulose (eg paper).
• Another object of the invention is the use of said
• Another object of the invention is the use of said
• the dyeing is carried out according to known methods, such as. B. the
• the substrate to be dyed z. B. in the form of yarn, fabric, knitted or carpet. Fully-fashioned dyeings are also on delicate substrates, eg. Lambswool, cashmere, alpaca and mohair very well possible. Particularly suitable are the dye mixtures according to the invention for dyeing fine-denier fibers (microfibers).
• the dye mixtures according to the invention show good compatibility with known acid dyes. Accordingly, the dye mixtures may be used alone in a dyeing or printing process or as a blue component in a combination dyeing or printing composition along with other acid dyes of the same class, i. H. With
• Acid dyes which have comparable dyeing properties, such as fastness properties and Ausziehraten from Därbebad on the substrate.
• the dyes of the present invention may be used in conjunction with other acid dyes.
• the dye mixtures according to the invention are particularly suitable for dyeing wool, silk and all nylon types on which dyeings having a high level of fastness, in particular good light fastness and good
• the dye mixtures according to the invention can also be used as blue components in the trichromatic dyeing process or trichromatic printing process.
• Trichromiefärben or printing can be used on all conventional and known dyeing and printing methods, such as. B. the
• Trichromatic dye mixture used in the process of the invention depends on the desired shade. For a shade of brown you can
• a yellow component 20-40% by weight of a yellow component, 40-60% by weight of an orange or red component and 10-20% by weight of an acid dye mixture according to the invention are used as the blue component.
• parts are parts by weight and percentages are by weight.
• a dyebath of 40 ° C consisting of 2000 parts of water, 1 part of a weakly cationic, dye-affinity leveling agent based on an ethoxylated aminopropyl fatty acid amide, 0.25 parts of the following
• Example 1b (wool dyeing):
• a dyebath of 40 ° C consisting of 4000 parts of water, 1 part of a weakly dye affinity leveling agent with amphoteric character on the basis of a sulfated, ethoxylated fatty acid amide, 0.4 parts of the dye mixture of Example 1a, with 1 - 2 parts 40% Acetic acid was adjusted to pH 5, 100 parts of wool fabric are added. After 10 minutes at 40 ° C, the dyebath with a temperature increase of 1 ° C per minute on
• Wool fabric is taken out of the bath, rinsed with warm and then cold water and dried. The result is a blue level wool dyeing with good light and wet fastness with excellent levelness within the fiber (root-tip).
• the dyes of Examples 2 to 18 listed in the table below are mixed in the ratio Dye B: Dye A of 1: 9 or of 2: 8 and used for dyeing in analogy to Examples 1a and 1b.
• the dye mixtures of the invention provide on the respective substrate (polyamide or wool) well reproducible, level dyeings with very good wet and light fastness. 10
• a dye bath of 40 ° C consisting of 2000 parts of water, 1 part of a weakly cationic dye-like leveling agent based on an ethoxylated Aminopropylfettklamids, 0.3 parts of a dye mixture from Example 1a, with 1-2 parts of 40% acetic acid to pH 5.5, 100 parts of nylon 6,6 fabric are added. After 10 minutes at 40 ° C, the dyebath is heated with a temperature increase of 1.5 ° C per minute to 120 ° C and then left for 15-25 minutes at this temperature.
• Polyamide 6,6 fabric is removed from the dyebath, rinsed with warm and then cold water and dried. It results in a blue one
• Dye mixture from Example 1a which was adjusted to pH 5 with 1 to 2 parts of 40% acetic acid are added to 100 parts of polyamide 6.6 fabric. After 10 minutes at 40 ° C, the dyebath is heated with a temperature increase of 1 ° C per minute to 98 ° C and then left for 45 to 60 minutes at boiling temperature. It is then cooled to 70 ° C within 15 minutes. The dyed fabric is removed from the bath, rinsed with warm and then cold water and dried. The result is a level gray polyamide dyeing, which shows good light and wet fastness.
• Example 23 Example 23
• Example 24 (wool / polyamide blended fabric dyeing)
• a dyebath of 40 ° C consisting of 4000 parts of water, 1 part of a weakly dye affinity leveling agent with amphoteric character on the basis of a sulfated, ethoxylated fatty acid amide, 0.4 parts of the dye mixture of Example 1a, with 1 - 2 parts 40% Acetic acid adjusted to pH 5 100 parts of wool / polyamide blended fabric are added.
• the dyebath is heated to boiling temperature with a temperature increase of 1 ° C per minute and then left for 40 - 60 minutes at boiling temperature.
• the mixture is then cooled to 70 ° C within 20 minutes.
• the dyed wool / polyamide blend is removed from the bath, rinsed with warm and then cold water and dried. The result is a blue level wool / polyamide blend fabric dyeing with good light and wet fastness properties with excellent levelness within the wool fiber (root-lace) and equal shade on nylon and wool fibers.
• Example 1a prepared and a polyamide 6 fabric dyed analogously to Example 1a.
• Example 1b prepared and a wool fabric dyed analogously to Example 1b. It creates a restless appearance.

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• Engineering & Computer Science (AREA)
• Textile Engineering (AREA)
• Chemical & Material Sciences (AREA)
• Chemical Kinetics & Catalysis (AREA)
• Organic Chemistry (AREA)
• Coloring (AREA)

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• 2012
  • 2012-06-05 TW TW101120114A patent/TW201313840A/zh unknown
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  • 2012-06-13 JP JP2014515091A patent/JP2014519543A/ja active Pending
  • 2012-06-13 WO PCT/EP2012/002497 patent/WO2012171638A1/de active Application Filing
  • 2012-06-13 KR KR1020147001074A patent/KR20140041744A/ko not_active Application Discontinuation
  • 2012-06-13 BR BR112013032249A patent/BR112013032249A2/pt not_active IP Right Cessation
  • 2012-06-13 EP EP12727801.8A patent/EP2721113A1/de not_active Withdrawn
  • 2012-06-13 CN CN201280029412.7A patent/CN103619962A/zh active Pending

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