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
• • 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
  • D06P1/649—Compounds containing carbonamide, thiocarbonamide or guanyl groups
  • D06P1/6491—(Thio)urea or (cyclic) derivatives
• • 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
  • D06P1/673—Inorganic compounds
  • D06P1/67333—Salts or hydroxides
  • D06P1/6735—Salts or hydroxides of alkaline or alkaline-earth metals with anions different from those provided for in D06P1/67341
• • 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
  • D06P1/6735—Salts or hydroxides of alkaline or alkaline-earth metals with anions different from those provided for in D06P1/67341
  • D06P1/67366—Phosphates or polyphosphates
• • 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
  • D06P3/58—Material containing hydroxyl groups
  • D06P3/60—Natural or regenerated cellulose
  • D06P3/66—Natural or regenerated cellulose 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
  • D06P5/00—Other features in dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form
  • D06P5/001—Special chemical aspects of printing textile materials
• • 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
  • Y10S8/918—Cellulose textile
• • 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
  • Y10S8/93—Pretreatment before dyeing

Definitions

• the invention relates to a method for printing fiber materials, in particular cellulosic fiber materials, with reactive dyes.
• the printing of fiber materials with a printing paste containing reactive dyes is well known in the textile industry.
• the printing pastes used in this process have certain disadvantages because they are due to the mandatory alkali dispenser are usually only stable in storage and only alkali-resistant reactive dyes can contain.
• the subject of the present application is thus a method for printing fiber material with reactive dyes, which is characterized in that the printing fiber material first treated with an aqueous alkaline liquor, the treated Fiber material optionally dries and then containing with a printing paste at least one reactive dye, a thickener, and optionally further Additives with the exception of alkali or alkali dispenser, printed.
• the process according to the invention is distinguished in particular by the fact that the printing pastes used therein have very good storage stability even when non-alkali-resistant reactive dyes are used, and the prints, in particular in the case of stencil printing, have sharp contours. It is also possible to dispense with the use of electrolyte when finishing the prints.
• the aqueous alkaline liquor contains at least one of the customary bases which are used in conventional reactive printing processes to fix the reactive dyes.
• the customary bases such as, for example, sodium carbonate, sodium hydroxide, disodium phosphate, trisodium phosphate, sodium acetate, sodium propionate, sodium hydrogen carbonate, aqueous ammonia or alkali donors, such as sodium chloroacetate or sodium formate.
• sodium hydrogen carbonate, sodium carbonate or a mixture of water glass and sodium carbonate is preferably used.
• the pH of the alkaline liquor is usually 7.5 to 13.5, preferably 8.5 to 12.5.
• the aqueous alkaline liquor can contain further additives, for example expediently hydrotroplating agents.
• the hydrotrope used is preferably urea, which is used, for example, in an amount of 25 to 200 g / l liquor, preferably 50 to 150 g / l liquor.
• the reactive dyes contained in the printing paste are usually reactive dyes used for printing cellulosic fiber materials, such as in the Color Index, 3rd edition 1971 and the supplements to it under the heading "Reactive Dyes”.
• dyes of monoazo, disazo, polyazo, metal Complexazo, anthraquinone, phthalocyanine, formazan, or dioxazine series which at least contain a reactive group.
• Reactive groups are to be understood as fiber-reactive residues, those with the hydroxyl groups cellulose, amino, carboxy, hydroxyl and thiol groups in wool and silk, or with the amino and possibly carboxy groups of synthetic polyamides to form covalent chemical bonds are able to react.
• the reactive groups are in the Usually bound to the dye residue directly or via a bridge.
• Suitable reactive groups are, for example, those which have at least one removable substituent contain an aliphatic, aromatic or heterocyclic radical or in which the said Residues a residue suitable for reaction with the fiber material, e.g. one Halotriazinyl, halopyrimidinyl or vinyl radical.
• the aliphatic reactive groups are those of the formulas -SO 2 Y, -SO 2 -NH-Y, -NH-CO-alk-SO 2 Y, -CO-NH-alk-SO 2 Y, or -NH-CO-Y 1 , in which Y is a leaving group, for example ⁇ -sufatoethyl, ⁇ -thiosulfatoethyl, ⁇ -phosphatoethyl, ⁇ -acyloxyethyl, ⁇ -haloethyl or vinyl, Y 1 is for example an a, b-dihalogenethyl or ⁇ -haloethenyl radical, alk C 1 -C 6 -alkylene and halogen is preferably chlorine or bromine, preferred.
• Particularly preferred reactive groups are vinylsulfonyl, chlorotriazine and fluorotriazine.
• Very particularly preferred reactive groups are vinylsulfonyl and fluorotriazine.
• Dyes with two or more identical or different reactive groups can also be used be used.
• the amount of reactive dye in the printing paste can depend on the desired one Color depth fluctuate within wide limits and is e.g. 2 to 100 g / kg printing paste, preferably 10 to 70 g / kg of printing paste, in particular 10 to 50 g / kg of printing paste.
• reactive dyes with a medium fiber affinity is preferred.
• reactive dyes with a high fiber affinity is particularly preferred.
• the printing pastes used according to the invention can contain one or more reactive dyes contain.
• the usual thickeners suitable for reactive printing can be used in the printing paste Thickeners of natural or synthetic origin, e.g. commercial alginate thickenings, Starch ether or locust bean flour ether, cellulose derivatives, such as e.g. Cellulose ether, such as methyl, ethyl, hydroxyethyl, methylhydroxyethyl, hydroxypropyl, hydroxypropylmethyl, Carboxymethyl, carboxyethyl or cyanoethyl cellulose, or a cellulose ester such as. Acetyl cellulose can be used.
• Thickeners of natural or synthetic origin e.g. commercial alginate thickenings, Starch ether or locust bean flour ether, cellulose derivatives, such as e.g. Cellulose ether, such as methyl, ethyl, hydroxyethyl, methylhydroxyethyl, hydroxypropyl, hydroxypropylmethyl, Carboxymethyl, carboxyeth
• Sodium alginate is preferably used alone or as a mixture in the printing pastes with modified cellulose, in particular with preferably 20 to 25 percent by weight carboxymethyl cellulose, used.
• the amount of thickener in the printing paste can depend on the desired viscosity vary within wide limits; preferably the thickener in the printing paste is in one Amount of 5 to 100 g / kg of printing paste, in particular 10 to 80 g / kg of printing paste all contain 10 to 60 g / kg printing paste.
• the viscosity of the printing paste is usually between 1000 and 20,000 mPa.s.
• Prefers are printing pastes with a viscosity between 2500 and 15000 mPa.s, in particular between 4000 and 6000 mPa.s used.
• the printing paste can be other common ones Tools such as Preservatives, sequestering agents, emulsifiers, water-insoluble Contain solvents, oxidizing agents, reduction inhibitors or deaerating agents.
• Formaldehyde-releasing agents such as e.g. Paraformaldehyde and trioxane, especially aqueous, about 30 to 40 percent by weight Formaldehyde solutions, as sequestering agents e.g. sodium nitrilotriacetic acid, ethylenediaminetetraacetic acid Sodium, especially sodium polymethaphosphate, especially sodium hexamethaphosphate, as emulsifiers, especially adducts of an alkylene oxide and a fatty alcohol, especially an adduct of oleyl alcohol and ethylene oxide, as water-insoluble Solvents high-boiling, saturated hydrocarbons, especially paraffins with a boiling range of about 160 to 210 ° C (so-called mineral spirits) and as Oxidizing agents e.g. an aromatic nitro compound, especially an aromatic mono- or dinitrocarboxylic acid or sulfonic acid, which is optionally present as an alkylene oxide adduct, especially a
• Reduction inhibitors e.g. aromatic nitro compounds, especially salts of aromatic mono- or dinitrocarboxylic acids or sulfonic acids, optionally present as alkylene oxides, especially alkali salts of a nitrobenzenesulfonic acid, such as e.g. 2-nitrobenzenic acid Na salt.
• the reduction inhibitors are preferably used in an amount of 0.1 to 4% by weight, in particular 0.8 to 2% by weight on the total weight of the finished printing paste.
• deaerating agents can be used as deaeration agents, provided the rheological properties of the printing paste are not adversely affected. Because of their good defoaming properties, low-silicone oil-free silicone oil-free deaerating agents are preferred, which generally contain 0 to 5% by weight of a conventional silicone oil. In the foreground of interest are deaerating agents which contain a higher alcohol as active substance, such as 2-ethyl-n-hexanol or 2-hexyldecanol or their mixture with high-boiling hydrocarbon mixtures and which have the silicone oil content indicated above.
• the printing paste contains the deaerating agent, for example, in an amount of 0 to 5% by weight, preferably 0.1 to 1% by weight, based on the total weight of the finished printing paste.
• the printing paste becomes direct over the entire surface or in places applied to the fiber material
• printing presses of conventional design e.g. Gravure, Rotary screen printing and flat film printing machines can be used appropriately.
• the method according to the invention is used particularly advantageously in stencil printing.
• Cellulose-containing fiber materials are preferred as fiber materials.
• Suitable cellulose-containing fiber materials are those materials which consist entirely or partially of cellulose. Examples are natural fiber materials such as cotton, linen or hemp, regenerated fiber materials such as viscose, polynosic or copper artificial silk, or cellulose-containing mixed fiber materials such as cotton / polyester materials. Mainly fabrics, knitted fabrics or webs of these fibers are used.
• the fiber material is advantageously dried, preferably at temperatures up to 150 C, in particular 80 to 120 C, and then a heat treatment process subjected to complete the print, or the dye to fix.
• the heat treatment can be carried out by a warm dwell process, a thermal insulation process or preferably be carried out by a damping process (HT fixation).
• HT fixation a damping process
• the printed fiber material is subjected to a treatment in a steamer with possibly superheated steam, advantageously at a temperature of 95 to 210 ° C., advantageously 100 to 180 ° C.
• the printed fiber material is preferably treated for 2 to 5 minutes at 150 to 170 ° C. during HT fixation.
• the prints can be finished by the so-called thermal insulation process after or without intermediate drying, for example at a temperature of 100 to 210 ° C.
• the thermal insulation is preferably carried out at a temperature of 120 to 210 ° C., in particular 140 to 180 ° C. Depending on the temperature, the thermal insulation can take 20 seconds to 5 minutes, preferably 30 seconds to 4 minutes.
• the thermal insulation is usually carried out at 190 to 210 ° C. for 1 to 2 minutes.
• the printed fiber material is made in the usual way washed out to remove unfixed dye.
• the fiber material is treated for example at 40 ° C to cooking temperature with water, which if necessary a soap or synthetic detergent can be added.
• a preferred embodiment of the process according to the invention is characterized in that a cellulose-containing fiber material to be printed, especially cotton, with a liquor containing 10 to 100, preferably 30 to 50 g of a base, preferably sodium to bicarbonate and 0 to 200 g per 1 liter of liquor Urea, padded at a pH between 7.5 to 13.5, preferably 8.5 to 12.5, and the fiber material dries at 80 to 120 ° C.
• the pretreated fiber material is then printed with a printing paste containing 10 to 30 g of a reactive dye and 400 to 600 g of a commercially available alginate thickener per kg of printing paste and dried at 100.degree. Then the pressure is fixed with saturated steam at 102 ° C for 4 minutes, rinsed cold, washed to the boil and rinsed again cold.
• the prints on cellulosic fiber materials obtainable by the process according to the invention have good general fastnesses; e.g. they have high fiber-dye binding stability both in the acidic and in the alkaline range, a good one Lightfastness, good wet fastness, such as washing, water, seawater, and over-dyeing Fastness to sweat, good chlorine fastness, rubbing fastness, ironing fastness and pleating fastness and are particularly characterized by sharp contours and a high color strength.
• Mercerized cotton satin fabric is included with a liquor 30 g / l sodium bicarbonate padded. (Liquor absorption 70%) and then dried.
• the pretreated cotton satin fabric is then containing a printing paste containing 20 g of the dye of the formula per kg of printing paste and 500 g of a commercially available alginate thickener (®Lamitex M5 6%) printed.
• the print is dried at 120 ° C for 90 seconds and then fixed with saturated steam at 102 ° C for 4 minutes. After the fixation, the pressure is rinsed with cold water, washed out in boiling water, again rinsed with cold water and dried. A yellow print with good fastness to washing is obtained.
• Mercerized cotton satin fabric is included with a liquor 30 g / l sodium bicarbonate, and 50 g / l urea padded. (Liquor absorption 70%) and then dried.
• the pretreated cotton satin fabric with a printing paste contains per kg of printing paste 20 g of the dye of the formula (100), and 500 g of a commercially available alginate thickener (®Lamitex M5 6%) printed.
• the print is dried at 120 ° C for 90 seconds and then fixed with saturated steam at 102 ° C for 4 minutes. After the fixation, the pressure is rinsed with cold water, washed out in boiling water, again rinsed with cold water and dried. A yellow print with good fastness to washing is obtained.
• Leached viscose fabric is contained with a liquor 30 g / l sodium bicarbonate, and 100 g / l urea padded. (Liquor absorption 70%) and then dried.
• the pretreated viscose fabric is then printed with a printing paste containing 20 g of the dye of the formula (100) per kg of printing paste and 500 g of a commercially available alginate thickener (®Lamitex M5 6%).
• the print is dried at 120 ° C for 90 seconds and then fixed with saturated steam at 102 ° C for 4 minutes. After the fixation, the pressure is rinsed with cold water, washed out in boiling water, again rinsed with cold water and dried. A yellow print with good fastness to washing is obtained.
• Leached viscose fabric is contained with a liquor 30 g / l sodium bicarbonate, and 150 g / l urea padded. (Liquor absorption 70%) and then dried.
• the pretreated viscose fabric is then containing a printing paste per kg of printing paste 20 g of the dye of the formula (100), 500 g of a commercially available alginate thickener (®Lamitex M5 6%) printed.
• the print is dried at 120 ° C for 90 seconds and then fixed with saturated steam at 102 ° C for 4 minutes. After the fixation, the pressure is rinsed with cold water, washed out in boiling water, again rinsed with cold water and dried. A yellow print with good fastness to washing is obtained.

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

Applications Claiming Priority (2)

Publications (1)

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Cited By (1)

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• 1998
  • 1998-06-02 US US09/089,147 patent/US6086636A/en not_active Expired - Fee Related
  • 1998-06-04 SG SG1998001198A patent/SG65074A1/en unknown
  • 1998-06-09 EP EP98810522A patent/EP0885997A2/fr not_active Withdrawn
  • 1998-06-10 JP JP10161637A patent/JPH1112956A/ja active Pending
  • 1998-06-11 ID IDP980856A patent/ID20438A/id unknown
  • 1998-06-15 TW TW087109454A patent/TW392022B/zh active
  • 1998-06-16 KR KR1019980022466A patent/KR19990007010A/ko not_active Application Discontinuation
  • 1998-06-16 TR TR1998/01117A patent/TR199801117A2/xx unknown
  • 1998-06-17 BR BR9802019A patent/BR9802019A/pt not_active Application Discontinuation

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