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
  • D06P5/00—Other features in dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form
  • D06P5/30—Ink jet printing
• • 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
  • D06P1/38—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 reactive dyes
  • D06P1/382—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 reactive dyes reactive group directly attached to heterocyclic group
• • 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
  • D06P1/38—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 reactive dyes
  • D06P1/384—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 reactive dyes reactive group not directly attached to heterocyclic group
• • 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
  • D06P1/6426—Heterocyclic 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
  • D06P1/38—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 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
  • 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
  • D06P1/651—Compounds without nitrogen
  • D06P1/65106—Oxygen-containing compounds
  • D06P1/65118—Compounds containing hydroxyl groups

Definitions

• the present invention relates to methods for printing textile fiber materials with reactive dyes according to the inkjet printing process (jet and inkjet processes) as well as corresponding printing inks.
• Inkjet printing processes have been in the textile industry for several years applied. These methods make it possible to produce a Eliminate the printing stencil, so that considerable cost and time savings are achieved can be. Especially in the production of sample templates can within reacted to changing needs much less time.
• Corresponding inkjet printing processes should in particular be optimal have application properties. Worth mentioning in this Relationship properties such as viscosity, stability, surface tension and Conductivity of the inks used. There are also increased demands on quality of the prints obtained, e.g. regarding color strength, fiber-dye binding stability as well as wet fastness properties. Of the known methods these requirements are not met in all properties, so there is still a need for there are new processes for textile inkjet printing.
• the invention relates to a process for printing textile fiber materials by the inkjet printing process, which is characterized in that these fiber materials are printed with an aqueous ink which comprises at least one reactive dye of the formulas and wherein Z and Z 'are independently vinyl or a radical of the formula -CH 2 -CH 2 -OSO 3 H, B 1 and B 2 represent a C 2 -C 12 alkylene radical which can be interrupted by 1, 2 or 3 members -O- and is unsubstituted or substituted by hydroxy, sulfo, sulfato, cyano or carboxy and CuPhC is a copper phthalocyanine residue, and b) 1,2-propylene glycol or N-methyl-2-pyrrolidone contains.
• B 1 and B 2 are preferably a C 2 -C 12 alkylene radical which can be interrupted by 1 or 2 members -O- and is unsubstituted or substituted by hydroxy.
• B 1 and B 2 are particularly preferably C 2 -C 6 alkylene.
• B 1 is very particularly preferably 1,3-propylene and B 2 is 1,2-ethylene.
• Z is preferably vinyl.
• Z ' the meaning as radical of the formula -CH 2 -CH 2 -OSO 3 H is preferred.
• B 1 is preferably 1,3-propylene, B 2 1,2-ethylene, Z vinyl and Z 'is a radical of the formula -CH 2 -CH 2 -OSO 3 H.
• Preferred reactive dyes for the process according to the invention are those of Formulas (1a) to (1g), in particular of the formulas (1a) to (1f) and preferably those of the of the formulas (1a), (1b), (1d) and (1f).
• the reactive dyes of the formulas (1a) to (1i) are known or can be used in analogy to known compounds, e.g. through usual diazotization, Coupling and condensation reactions.
• the reactive dyes of the formulas (1a) to (1i) used in the inks should preferably low in salt, i.e. a total salt content of less than 0.5 wt .-%, based on the weight of the dyes.
• Reactive dyes that due to their manufacture and / or the subsequent addition of coupé agents have higher salt contents, e.g. by membrane separation processes, such as Ultrafiltration, reverse osmosis or dialysis.
• the inks preferably contain exclusively those of the above formulas as dyes (1a) to (1i).
• the inks preferably contain a total reactive dye content of the above Formulas (1a) to (1i) of 5 to 35% by weight, in particular 10 to 35% by weight and preferably 10 to 20% by weight based on the total weight of the ink.
• the content of N-methyl-2-pyrrolidone or 1,2-propylene glycol in the ink is usually 5 up to 30% by weight, in particular 5 to 20% by weight and preferably 10 to 20% by weight, based on the total weight of the ink.
• the inks preferably contain 1,2-propylene glycol, usually in an amount of 5 to 30% by weight, in particular 5 to 20% by weight and preferably 10 to 20% by weight on the total weight of the ink.
• the inks may also contain buffer substances, e.g. Borax, borate or citrate.
• buffer substances e.g. Borax, borate or citrate.
• borax sodium borate, sodium tetraborate and sodium citrate.
• she are used in particular in amounts of 0.1 to 3% by weight, preferably 0.1 to 1% by weight, based on the total weight of the ink used to achieve a pH of e.g. 4 to 9, especially 4 to 8.
• the inks can e.g. Alginate or in particular water-soluble, contain non-ionic cellulose ether.
• non-ionic cellulose ether come e.g. Methyl, ethyl, hydroxyethyl, methylhydroxyethyl, hydroxypropyl or Hydroxypropylmethyl cellulose into consideration.
• Methylcellulose or in particular are preferred Hydroxyethyl cellulose.
• Alkali alginates in particular and preferably come as alginates Sodium alginate into consideration.
• the cellulose ethers as well as the algnates are in the ink usually in an amount of 0.01 to 2% by weight, in particular 0.01 to 1 wt .-% and preferably 0.01 to 0.5 wt .-%, based on the total weight of the Ink, used.
• Both the water-soluble, non-ionic cellulose ethers and the Alginates are used as so-called thickeners and allow the setting of one certain viscosity of the ink.
• Preferred inks for the process according to the invention are those which have a viscosity from 1 to 40 mPa ⁇ s, in particular 1 to 20 mPa ⁇ s and preferably 1 to 10 mPa ⁇ s exhibit.
• the inks can also contain conventional additives, e.g. foam suppressants or in particular substances that inhibit fungal and / or bacterial growth. This are usually in amounts of 0.01 to 1 wt .-%, based on the total weight the ink used.
• the inks can be prepared in the usual way by mixing the individual components in the desired amount of water can be produced.
• the present invention also relates to a method for printing on textiles Fiber materials according to the inkjet printing process, which is characterized is that you print these fiber materials with an aqueous ink, which at least contains a reactive dye of the formulas (1a), (1b), (1d) and (1f) given above.
• aqueous inks can also be used which have at least one Reactive dye of the formulas (1a) to (1i) given above, in particular of the formulas (1a) to (1f), optionally at least one of the additives mentioned above for the inks contain and contain no thioglycol, preferably no further additives.
• the above preferences apply.
• the methods according to the invention for printing textile fiber materials can with inkjet printers known per se and suitable for textile printing be carried out.
• ink jet printing process individual drops of the ink are checked out sprayed onto a substrate using a nozzle.
• the continuous ink jet method is predominantly used for this as well as the drop on demand method.
• the ink-jet method creates the drops continuously, not for printing required drops are drained into a collecting container and recycled.
• Drop on demand method drops are created and printed as desired; i.e. drops are only generated when this is necessary for printing.
• the Generation of the drops can e.g. by means of a piezo inkjet head or by means of thermal Energy (bubble jet). Pressure is preferred for the method according to the invention according to the continuous ink jet method or the drop on demand method.
• fiber materials containing hydroxyl groups come as textile fiber materials into consideration.
• cellulose-containing fiber materials which are made up entirely or in part Cellulose exist.
• natural fiber materials such as cotton, linen or Hemp
• regenerated fiber materials such as Viscose.
• Viscose and lyocell or preferably cotton are particularly preferred here Viscose and lyocell or preferably cotton.
• the fiber materials mentioned are preferably in the form of flat textile fabrics, knitted fabrics or webs.
• the aqueous alkaline liquor contains at least one of the usual bases, which in conventional Reactive printing processes are used to fix the reactive dyes.
• the base is e.g. in an amount of 10 to 100 g / l liquor, preferably 10 to 50 g / l Fleet, deployed.
• Sodium bicarbonate is preferred, sodium carbonate or a mixture of water glass and sodium carbonate is used.
• the pH the alkaline liquor is usually 7.5 to 13.5, preferably 8.5 to 12.5.
• the aqueous alkaline liquor can contain other additives, e.g. Hydrotrope, contain.
• Urea is preferably used as the hydrotroping agent, e.g. in a Amount of 25 to 200 g / l liquor, preferably 50 to 150 g / l liquor is used.
• the fiber material is preferably dried after the above pretreatment.
• the fiber material is advantageously dried, preferably at temperatures up to 150 ° C, especially 80 to 120 ° C, and then a heat treatment process subjected to complete the print, or the dye to fix.
• the heat treatment can e.g. through a warm dwell process, a thermal insulation process or preferably be carried out by a steaming process.
• the printed fiber material is e.g. one treatment in one Damper with possibly superheated steam, conveniently at one temperature from 95 to 180 ° C, advantageously in saturated steam.
• the printed fiber material is usually washed with water in the usual way washed out to remove unfixed dye.
• the prints obtainable by the process according to the invention have good prints General realities on; e.g. they have high fiber-dye binding stability both in the acidic and in the alkaline range, good lightfastness, good Wet fastness properties, such as fastness to washing, water, sea water, over-dyeing and perspiration, one good chlorine fastness, rubbing fastness, ironing fastness and pleating fastness as well as sharp contours and high color strength.
• the printing inks used are characterized by good stability and good viscosity properties.

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• Engineering & Computer Science (AREA)
• Textile Engineering (AREA)
• Coloring (AREA)
• Inks, Pencil-Leads, Or Crayons (AREA)
• Ink Jet Recording Methods And Recording Media Thereof (AREA)
• Ink Jet (AREA)

Applications Claiming Priority (3)

Publications (3)

Family

ID=4211312

Family Applications (1)

Country Status (13)

Families Citing this family (26)

Family Cites Families (9)

• 1998
  • 1998-06-02 US US09/089,146 patent/US6015454A/en not_active Expired - Lifetime
  • 1998-06-09 DE DE59812197T patent/DE59812197D1/de not_active Revoked
  • 1998-06-09 EP EP98810523A patent/EP0885998B1/fr not_active Revoked
  • 1998-06-09 ES ES98810523T patent/ES2230665T3/es not_active Expired - Lifetime
  • 1998-06-09 PT PT98810523T patent/PT885998E/pt unknown
  • 1998-06-11 SG SG1998001395A patent/SG73519A1/en unknown
  • 1998-06-11 ID IDP980857A patent/ID20434A/id unknown
  • 1998-06-15 BR BR9802380A patent/BR9802380A/pt not_active Application Discontinuation
  • 1998-06-15 TW TW087109455A patent/TW514659B/zh not_active IP Right Cessation
  • 1998-06-16 JP JP10168059A patent/JPH1112962A/ja active Pending
  • 1998-06-16 CN CN98103228A patent/CN1202549A/zh active Pending
  • 1998-06-16 TR TR1998/01116A patent/TR199801116A3/tr unknown
  • 1998-06-16 KR KR1019980022467A patent/KR100538664B1/ko not_active Expired - Fee Related

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