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
  • D06P3/242—Polyamides; Polyurethanes using basic 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
  • 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
  • D06P1/64—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 low-molecular-weight organic compounds without sulfate or sulfonate groups
  • D06P1/642—Compounds containing nitrogen
  • D06P1/647—Nitrogen-containing carboxylic acids or their salts
• • 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
  • D06P1/653—Nitrogen-free carboxylic acids or their salts
• • 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
  • D06P1/667—Organo-phosphorus compounds
• • 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
  • D06P1/673—Inorganic compounds
  • D06P1/67333—Salts or hydroxides
  • D06P1/67341—Salts or hydroxides of elements different from the alkaline or alkaline-earth metals or with anions containing those elements
• • 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
• • 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
  • D06P3/854—Textiles which contain different kinds of fibres containing modified or unmodified fibres, i.e. containing the same type of fibres having different characteristics, e.g. twisted and not-twisted fibres

Definitions

• the present invention relates to a process for achieving multicolor effects on mixtures of differently dyeable polyamide fiber materials in the presence of manganese compounds, which provides dyeings with improved light fastness, and the polyamide fiber material treated therewith.
• Polyamide fiber materials are thermally and / or photochemically sensitive.
• the polyamide fiber can be damaged by exposure to light and / or heat.
• the polyamide fiber material has to be matted, which is technically achieved by introducing titanium dioxide pigments.
• Pigmented polyamide fiber materials have proven to be particularly sensitive.
• the object of the present invention is to reduce the thermal and / or photochemical instability of polyamide fiber materials in order to achieve high light fastness, good tear resistance and good aging resistance.
• the invention therefore relates to a process for dyeing polyamide fiber mixtures which contain regularly dyeable polyamide fiber materials and acid-modified polyamide fiber materials, with dye mixtures comprising acid dyes and cationic dyes, which is characterized in that at least one manganese (II) before, during or after dyeing the bath. -Connection is added.
• II manganese
• the dyeings obtained with the process according to the invention show improved light fastness and improved tear resistance.
• All inorganic and organic salts and Mn (II) complex compounds can be considered as manganese (II) compounds in the process according to the invention.
• inorganic salts are: chlorides, acetates, phosphates, nitrates and sulfates.
• organic salts are: formates, oxalates and lactates.
• Mn (II) complex compounds are: Mn (II) complexes of citric acid, ethylenediaminetetraacetic acid or phosphonoalkane polycarboxylic acids.
• the Mn (II) compounds mentioned can also be used in any mixture with one another.
• the Mn (II) compounds can be added to the dye bath before, during or after the dyeing process.
• the Mn (II) compounds are advantageously added to the dyebath in amounts of 0.01 to 5 g / l, in particular 0.1 to 1 g / l, preferably 0.1 to 0.7 g / l.
• Suitable acid dyes for the process according to the invention are e.g. those in the Color Index, 3rd edition from 1971, Volume 1, under C.I. Acid Dyes on pages 1003 to 1561 as well as the dyes specified in the supplementary volumes.
• Suitable cationic dyes for the process according to the invention are e.g. those in the Color Index, 3rd edition from 1971, Volume 1, under C.I. Basic Dyes on pages 1611 to 1688 as well as the dyes specified in the supplementary volumes.
• the acid dyes and the cationic dyes which are used in the process according to the invention are known and can be prepared by known methods.
• the cationic dyes are chemically dyes which contain a colored (chromophore-containing) cation, in particular a quaternary nitrogen atom, and a colorless anion.
• the dyes are in the form of a salt with an inorganic or organic acid.
• sulfates, chlorides, acetates or Methyl sulfates of azo dyes such as monoazo, disazo and polyazo dyes, of anthraquinone dyes, phthalocyanine dyes, of diphenylmethane and triarylmethane dyes, of methine, polymethine, azomethine and azacyanine dyes, of thiazole, ketoneimine, acridine, cyanine, cyanine -, Quinoline, benzimidazole, xanthene, azine oxazine and thiazine dyes.
• Preferred cationic dyes are those which contain a quaternary nitrogen atom in a heterocyclic ring; however, cationic dyes can also be used which contain the quaternary nitrogen atom on an alkyl chain.
• cationic dyes which can be used in the process according to the invention are, for example:
• the acid dyes are water-soluble dyes, which usually contain one or more water-solubilizing groups, in particular sulfonic acid groups.
• the acid dyes are usually in the form of salts.
• alkali salts in particular sodium, potassium or lithium salts
• ammonium-containing salts e.g. as ammonium or tetraalkylammonium salts.
• the acid dyes can belong to a wide variety of classes, such as azo dyes such as monoazo, disazo and polyazo dyes, anthraquinone dyes, phthalocyanine dyes, diphenylmethane and triarylmethane dyes, methine, polymethine, azomethine dyes.
• azo dyes such as monoazo, disazo and polyazo dyes, anthraquinone dyes, phthalocyanine dyes, diphenylmethane and triarylmethane dyes, methine, polymethine, azomethine dyes.
• acid dyes which can be used in the process according to the invention are, for example:
• the dyeing according to the process according to the invention is generally carried out under the conditions customary for dyeings on synthetic polyamide with cationic dyes and acid dyes.
• the pH is usually between 3.5 and 7.0, it being particularly advantageous to change the pH towards acidic pH during dyeing.
• a preferred embodiment of the process according to the invention is characterized in that a complexing agent which can form a complex with the Mn 2+ ions is added to the dyebath.
• a complexing agent which can form a complex with the Mn 2+ ions is added to the dyebath.
• the following compounds have proven to be suitable as complexing agents: gluconic acid, polyaminopolycarboxylic acids, tripolyphosphates, orthophosphates, phosphonic acid, phosphonoalkane polycarboxylic acids, citric acid, ethylenediaminetetraacetic acid.
• leveling agents come e.g. commercially available leveling aids into consideration, such as those e.g. are given in EP-A-0 089 004.
• R is C 8 -C 22 alkyl, C 8 -C 22 alkenyl or C 8 -C 22 cycloalkenyl, in particular RN is the rest of the tallow fatty amine and m + n is 2 to 25, in particular 2 to 15; or the formula wherein R is C 8 -C 22 alkyl, C 8 -C 22 alkenyl or C 8 -C 22 cycloalkenyl, in particular RN is the rest of the tallow fatty amine, m + n is 2 to 25, in particular 2 to 15, and M is hydrogen, alkali metal or ammonium;
• the dyebath can also contain other conventional aids, e.g. Contain wetting agents, deaerating agents and / or anti-foaming agents etc.
• the manganese (II) compounds can be applied continuously or discontinuously.
• carpets of mixtures of acid-modified polyamide fiber material and regular polyamide fiber material are preferred, the latter being able to be used in types which can be dyed to different depths.
• the dyeing process takes place in a manner known per se.
• the liquor ratio can be selected within a wide range, e.g. 1: 2 to 1: 100, preferably 1:10 to 1:40. It is convenient to work at a temperature of 30 to 130 ° C, preferably 50 to 98 ° C.
• the liquor order is expediently 40-700, preferably 40-500% by weight, followed by a steaming process, for example at 100 ° C. for 5 minutes.
• the dyeings produced are washed and dried in the customary manner.
• the dyeings to be stabilized according to the invention are those which are produced by acid dyes and cationic dyes, in particular azo and anthraquinone dyes.
• polyamide fiber material is a mixture of synthetic polyamide fiber materials, in particular polyamide-6 or polyamide 66 in a mixture with acid-modified polyamide fiber material, i.e. understood basic dyeable polyamide.
• the polyamide material can be in a wide variety of processing forms, e.g. as fiber, yarn, fabric, knitted fabric, fleece or pile material. Polyamide carpets are preferred.
• the polyamide fiber material made from regular and acid-modified polyamide can be present in any desired mixing ratio. Mixtures of these polyamide fiber materials in a ratio of 10: 1 to 1:10, in particular 25:75 to 75:25 and advantageously 40:60 to 60:40, are preferred.
• Parts mean parts by weight and percentages percentages by weight. Temperatures are given in degrees Celsius. The percentages by weight refer to the fiber weight used.
• the dye liquor is halved.
• Fleet 1 remains unchanged, while fleet 2 is mixed with 0.5 g / l manganese (II) acetate.
• the carpet samples are placed in the liquors heated to 40 ° C. and dyeing is started.
• the mixture is first heated to 95 ° C. at 2 ° C./minute, then colored for 60 minutes at this temperature, finally cooled, rinsed cold, centrifuged and dried at 100 ° C.
• a carpet with an orange / blue pattern is obtained.
• the separation of the two colors is excellent on both patterns.
• the light fastness of the two samples is determined in accordance with ISO standard 105-B02 and AATCC 16E. The following results are obtained: Carpet colored with Lightfastness ISO 105-B02 after 300 hours Light fastness AATCC 16E after 150 hours Dyeing liquor 1 5 3rd Dyeing liquor 2 6 - 7 3-4
• the light fastness grades according to ISO 105-B02 are determined using the blue scale and the light fastness grades according to AATCC 16E are determined using the gray scale.
• Mn (II) ions improves the lightfastness.
• the dyebath 3 remains analogous to dyebath 1 without the addition of Mn (II) ions, while 3% by weight of the following compound is added to the dyebath 4: Mn (II) complex of the tetrasodium salt of ethylenediaminetetraacetic acid.
• the light fastness of the two samples is determined in accordance with ISO standard 105-B02 and AATCC 16E. The following results are obtained: Coloring with Lightfastness ISO 105-B02 after 300 hours Light fastness AATCC 16E after 150 hours Dyeing liquor 3 4-5 3rd Dyeing liquor 4 6 4th
• the light fastness grades according to ISO 105-B02 are determined using the blue scale and the light fastness grades according to AATCC 16E are determined using the gray scale.

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• Engineering & Computer Science (AREA)
• Textile Engineering (AREA)
• Chemical & Material Sciences (AREA)
• Inorganic Chemistry (AREA)
• Coloring (AREA)

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• 1996
  • 1996-03-18 EP EP96810166A patent/EP0735181A3/fr not_active Withdrawn

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