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
  • D06P1/46—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 natural macromolecular substances or derivatives thereof
  • D06P1/48—Derivatives of carbohydrates
• • D—TEXTILES; PAPER
  • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
  • D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
  • D06B1/00—Applying liquids, gases or vapours onto textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing or impregnating
  • D06B1/02—Applying liquids, gases or vapours onto textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing or impregnating by spraying or projecting
• • D—TEXTILES; PAPER
  • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
  • D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
  • D06B19/00—Treatment of textile materials by liquids, gases or vapours, not provided for in groups D06B1/00 - D06B17/00
  • D06B19/0005—Fixing of chemicals, e.g. dyestuffs, on textile materials
• • D—TEXTILES; PAPER
  • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
  • D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
  • D06B21/00—Successive treatments of textile materials by liquids, gases or vapours
• • 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
  • D06P1/46—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 natural macromolecular substances or derivatives thereof
  • D06P1/48—Derivatives of carbohydrates
  • D06P1/50—Derivatives of cellulose
• • 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
  • D06P1/52—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 synthetic macromolecular substances
  • D06P1/5207—Macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
  • D06P1/525—Polymers of unsaturated carboxylic acids or functional derivatives thereof
  • D06P1/5257—(Meth)acrylic acid
• • 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 the continuous dyeing of polyester yarns by spray application onto one or more high-speed yarn threads and subsequent fixing of the dye on the fiber.
• Dyeing processes of this type and suitable devices therefor are e.g. known for dyeing polyamide yarns and there has been no lack of attempts to dye polyester yarns in a similar way.
• the results achieved so far have been unsatisfactory, with the lack of levelness of the dyed yarns and the formation of gray veils causing problems.
• an improved process for the continuous spray application of disperse dyes on polyester yarns has now been found, which is based on the addition of specific dyeing aids to the dyeing liquor and enables the production of level dyeings without a gray haze.
• the present invention thus relates to a process for the continuous dyeing of polyester yarn with disperse dyes, which is characterized in that one or more polyester threads running continuously at high speed from a yarn reservoir to a yarn catcher are provided with at least one Sprayed disperse dye and an aqueous migration liquor containing an anti-migration agent and then fixed the dye on the yarn.
• the yarn reservoir as well as the yarn collecting device are e.g. around a bobbin or around any arrangement of several bobbins or around a dyeing tree.
• the thread or the various threads can thus e.g. from bobbin to bobbin, from one or more bobbins to a dyeing tree, from a dyeing tree to one or more bobbins, or from dyeing tree to dyeing tree.
• the speed of the thread or threads running from the thread reservoir to the thread collecting device is, for example, ⁇ 100 m / min, advantageously ⁇ 150 m / min, preferably 200-800 m / min and particularly preferably 200-600 m / min.
• the dyeing liquor is advantageously sprayed onto the yarn thread by means of a nozzle. It is also possible to spray several different dyeing liquors onto the yarn by means of any arrangement of several nozzles in one thread pass.
• a preferred embodiment of the present invention relates to the production of effect dyeings. These can e.g. can be produced by placing a rotating perforated disc between the nozzle and the thread passing by, which ensures that the dye solution can only penetrate the thread at certain intervals.
• effect yarns is possible if a dye solution is sprayed onto the thread via a nozzle with an interposed rotating perforated disc. If you spray the passing thread with several different dye solutions, the application of which is controlled by an interposed rotating perforated disc, a wide variety of multicolor dyeings are available.
• the dyes contained in the dye liquor are disperse dyes usually used for dyeing polyester fiber materials, such as those e.g. in the Color Index, 3rd edition 1971 and the supplements to it are described under the heading "Disperse Dyes”.
• Disperse dyes usually used for dyeing polyester fiber materials, such as those e.g. in the Color Index, 3rd edition 1971 and the supplements to it are described under the heading "Disperse Dyes”.
• Examples are sulfo group-free monoazo, polyazo, anthraquinone or nitroaryl dyes.
• the amount of dye in the dye liquor can vary within wide limits depending on the desired depth of color and is e.g. 5 to 100 g / l of dye liquor, preferably 10 to 70 g / l of dye liquor and particularly preferably 10 to 50 g / l of dye liquor.
• the dyeing liquors used according to the invention can contain one or more dyes.
• alginates as migration-inhibiting agent in the process according to the invention is preferred.
• the migration-inhibiting agent is advantageously present in the dye liquor in an amount of 1 to 10 g / l dye liquor, preferably 1 to 5 g / l dye liquor and particularly preferably 1 to 3 g / l dye liquor.
• the dye liquor may contain other additives in addition to the dye and the migration-inhibiting agent, e.g. a penetration accelerator.
• Suitable penetration accelerators are e.g. known from Textile Aids Catalog 1994/95, Konradin Verlag Robert Kohlhammer, Leinfelden-Echterdingen under the heading 3.3 Dye wetting agents and deaerators.
• Penetration accelerators preferred for the process contain one or more constituents from the group consisting of fatty alcohol ethoxylates, alkylaryl ethoxylates, addition products of alkylene oxide, especially ethylene oxide, propylene oxide or mixtures of both, with higher unsaturated or saturated fatty acids, alkyl phosphates, alkanesulfonates, alkylaryl ether sulfates, paraffin oils and aliphatic or aromatic carboxylic acid.
• R - (CH 2 -CH 2 -O) p - (CHY 1 -CHY 2 -O) q - R 1 (1) correspond in which R is straight-chain or branched C 8 -C 22 alkyl, R 1 is straight-chain or branched C 1 -C 8 alkyl, C 5 -C 8 cycloalkyl, phenyl-C 1 -C 4 alkyl or styryl , one of Y 1 and Y 2 is methyl or ethyl and the other is hydrogen, and p and q are each independently a number from 0 to 24, the sum of (p + q) being 2 to 24.
• R in formula (1) is a C 8 -C 22 alkyl radical
• this can be, for example, a straight-chain or branched octyl, nonyl, decyl, undecyl, dodecyl, tridecyl, tetradecyl, pentadecyl, hexadecyl , Heptadecyl, octadecyl, nonadecyl, eicosyl, heneicosyl or docosyl radical.
• R preferably represents a straight-chain or branched C 8 -C 14 alkyl radical and particularly preferably a C 8 -C 10 alkyl radical.
• R 1 is a C 1 -C 8 -alkyl radical, it can be, for example, methyl, ethyl, n- or isopropyl, n-, iso-, sc- or tert-butyl or straight-chain or branched pentyl, hexyl, Trade heptyl or octyl.
• R 1 is preferably C 1 -C 4 -alkyl.
• R 1 is a C 5 -C 8 cyclohexyl ring
• this can be, for example, a cyclopentyl radical or in particular a cyclohexyl radical which is optionally further substituted by methyl.
• R 1 is a phenyl-C 1 -C 4 -alkyl radical, then for example the phenethyl radical or in particular the benzyl radical can be used.
• R 1 is preferably C 1 -C 4 alkyl, cyclohexyl or benzyl and particularly preferably C 1 -C 4 alkyl.
• p preferably denotes a number from 2 to 24, particularly preferably 4 to 9 and particularly preferably 6 to 8.
• q preferably denotes a number from 0 to 15, particularly preferably 1 to 8 and particularly preferably 1 to 3.
• p and q can are whole or broken numbers.
• Particularly preferred fatty alcohol ethoxylates correspond to the formula (1) given above, in which R is straight-chain or branched C 8 -C 14 -alkyl, R 1 C 1 -C 4 -alkyl, p is a number from 4 to 9 and q is a number from 1 to 3 mean and wherein Y 1 and Y 2 have the meaning given above.
• a particularly preferred penetration accelerator is aqueous preparations containing a fatty alcohol ethoxylate and an alkyl phosphate.
• the penetration accelerator is advantageously present in the dye liquor in an amount of 1 to 10 g / l dye liquor and preferably 1 to 4 g / l dye liquor.
• the dyeing liquor used for the process according to the invention can also contain a UV absorber which e.g. serves the photochemical and thermal stabilization of the polyester fibers.
• Suitable UV absorbers are known to the person skilled in the art.
• UV absorbers from the class of 2-hydroxybenzophenones, 2- (2'-hydroxyphenyl) benzotriazoles, 2-hydroxyphenyl-1,3,5-triazines, oxalic acid diamides, acrylates, cinnamic acid esters or optionally substituted benzoic acids or their esters and preferably 2- Hydroxyphenyl-1,3,5-triazines in question.
• the dye liquor can also contain other conventional additives, e.g. Wetting agents, acids or bases.
• the dye is preferably sprayed onto the yarn at a temperature which is not higher than 95 ° C., in particular not higher than 80 ° C.
• the lower temperature limit is 5 ° C., in particular 10 ° C. and preferably 15 ° C.
• both the temperature of the yarn to be impregnated and the temperature of the dyeing liquor correspond to one of the above temperatures when sprayed on.
• Of particular interest is spraying at ambient temperature, e.g.
• the above preferences also apply to the step of winding the yarn onto one or more carriers 3.
• the above preferences preferably also apply to the step before the dye is sprayed on, the yarn not being heated up in particular before this spraying.
• the dye After the dye has been sprayed onto the yarn, the dye is fixed on the polyester yarn in the customary manner, for example by exposure to heat.
• fixation is carried out by exposure to heat, e.g. a steaming process or a thermal insulation process in question.
• the textile yarn impregnated with the dyeing liquor is subjected to a treatment in a steamer with possibly superheated steam, advantageously at a temperature of 98 to 210 ° C., advantageously 100 to 180 ° C. and preferably 102 to 130 ° C.
• the fixation of the dye by the so-called thermal insulation process can be done with or without intermediate drying e.g. at a temperature of e.g. 140 to 210 ° C, preferably 140 to 220 ° C and particularly preferably 140 to 180 ° C, take place.
• the thermal insulation can take 20 seconds to 5 minutes, preferably 30 to 60 seconds.
• the dyed polyester yarn is generally processed in a conventional manner, e.g. finished by rinsing with hot or cold water or by means of a reductive aftertreatment and subsequent drying.
• steaming and drying are done continuously, e.g. in a steamer with possibly superheated steam, advantageously at a temperature of 98 to 210 ° C, advantageously 100 to 180 ° C and preferably 102 to 150 ° C.
• polyester yarns with excellent photochemical and thermal stability can be produced if the process is carried out using dyeing liquors containing UV absorbers.
• Example 1 A raw white yarn group consisting of endlessly spun polyester bulk yarn is wound from reservoir spools onto a fixing belt at a speed of 200 m / min and sprayed with a liquor of the composition below using a nozzle and the excess dye is blown off pneumatically.
• the set of yarn is then dried at 145 ° C and then fixed with dry heat at 180 ° C. After washing with hot water and then drying, a yarn is obtained which is dyed in a light brown shade and has good general fastness properties.
• Example 2 A raw white yarn group consisting of polyester staple yarn is wound from reservoir bobbins onto a fixing belt at a speed of 200 m / min and sprayed with a dyeing liquor of the composition given below by means of a nozzle.
• a rotating perforated disc is arranged between the dye nozzle and the passing yarn group, which ensures that the dye solution can only penetrate the thread at intervals.
• the set of yarn is then dried and fixed with dry heat or in superheated steam, then rinsed with hot water, dried and wound up.
• Example 3 A raw white yarn group consisting of polyester staple yarn is wound from reservoir bobbins onto a fixing belt at a speed of 200 m / min and sprayed with three different dyeing liquors which have the composition given below, by means of nozzles.
• a rotating perforated disc is arranged between the dye nozzles and the passing thread, which ensures that the dye solutions can only penetrate the thread at intervals.
• the set of yarn is then dried and fixed with dry heat at 180 ° C, then rinsed with hot water, dried and wound up.

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• Engineering & Computer Science (AREA)
• Textile Engineering (AREA)
• Chemical & Material Sciences (AREA)
• Chemical Kinetics & Catalysis (AREA)
• Life Sciences & Earth Sciences (AREA)
• Health & Medical Sciences (AREA)
• Molecular Biology (AREA)
• Dispersion Chemistry (AREA)
• General Chemical & Material Sciences (AREA)
• Materials Engineering (AREA)
• Coloring (AREA)
• Treatment Of Fiber Materials (AREA)
• Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)

Applications Claiming Priority (2)

Publications (2)

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Family Applications (1)

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Citations (4)

• 1997
  • 1997-04-24 EP EP97810254A patent/EP0805229A3/fr not_active Withdrawn
  • 1997-04-29 CN CN97110988A patent/CN1170062A/zh active Pending
  • 1997-04-30 TR TR97/00330A patent/TR199700330A2/xx unknown
  • 1997-05-01 TW TW086105780A patent/TW333572B/zh active
  • 1997-05-01 JP JP9113749A patent/JPH1037082A/ja active Pending
  • 1997-05-02 KR KR1019970016946A patent/KR970075098A/ko not_active Application Discontinuation
  • 1997-05-05 BR BR9703048A patent/BR9703048A/pt not_active Application Discontinuation

Patent Citations (4)

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