EP0940497A1 - Alkalihaltige wässrige Lösungen und deren Verwendung in Verfahren zum Färben von cellulosischen Textilmaterialien - Google Patents
Alkalihaltige wässrige Lösungen und deren Verwendung in Verfahren zum Färben von cellulosischen Textilmaterialien Download PDFInfo
- Publication number
- EP0940497A1 EP0940497A1 EP99103510A EP99103510A EP0940497A1 EP 0940497 A1 EP0940497 A1 EP 0940497A1 EP 99103510 A EP99103510 A EP 99103510A EP 99103510 A EP99103510 A EP 99103510A EP 0940497 A1 EP0940497 A1 EP 0940497A1
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- EP
- European Patent Office
- Prior art keywords
- dye
- parts
- pad
- fiber
- liquor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- D06P3/58—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
- 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
- D06P1/96—Dyeing characterised by a short bath ratio
Definitions
- Cellulosic textile materials are made according to so-called printing, pull-out and Block process colored.
- Dyeing is particularly important Application of fiber-reactive dyes that are used during the dyeing process the fiber is able to form a covalent bond, since it binds with them available dyeings are characterized above all by good wet fastness properties, which at the use of non-fiber-reactive dyes is difficult or impossible can be achieved.
- the covalent bond between the fiber reactive Dyes and fibers can generally only be addressed if the dyeing process is carried out under alkaline conditions.
- Alkalizing agents are alkali metal carbonates, Alkali metal bicarbonates and alkali metal hydroxides or mixtures thereof and in the block dyeing also alkali metal silicates, if necessary used together with an alkali metal hydroxide or carbonate, wherein alkali metal is understood to mean lithium in addition to sodium and potassium all show mixtures of alkali metal carbonates and alkali metal hydroxides a high efficiency and are preferably used, the Alkali system in each case on the specific fiber-reactive grouping of the Dye and the special dyeing process is matched.
- the use of a dyeing process using an ultra-short liquor method such as for example the padding process, in which the treatment liquor is reduced to one Textile web applied and excess fleet on the web is then squeezed off, can be done in one step and in two steps be performed.
- the two-step procedures in which one first the textile material with a dye solution with a certain Impregnated liquor pickup, the thus impregnated product then dries and then in a further impregnation step with an alkaline, Padded electrolyte salt-containing fleet has the disadvantage of high mechanical Use and use of electrolyte salts in the second Process stage.
- complete treatment fleet that includes both the fiber reactive dye contains the alkaline agent and optionally other auxiliaries, in applied to the textile material in one operation, whereupon the fixing process of the dye on the textile material.
- alkali metal silicates in the form of water glass are often used as alkaline binding agents, depending on the color depth of the dye liquor to be achieved between 60 and 130 g of water glass of 38 ° Bé and 6 to 40 ml of about 32% by weight aqueous sodium hydroxide solution are added per liter.
- Water glass has the advantage here that it has a pH-buffering effect and increases the stability of padding liquors from reactive dyes.
- the dyeing liquor (padding liquor) is generally a certain, matched with the amount of dye contained in the padding liquor Amount of sodium hydroxide solution and about 30 g / l electrolyte salt, such as sodium chloride and Sodium sulfate added.
- the padding liquor stability unsatisfactory, resulting in a loss of yield in the color strength of the dyeings surrender.
- the alkaline formulation according to the invention in its Application in particular also has the advantage of being meterable and on the Use of urea in the dyeing process can be dispensed with.
- Formulations suitable for production according to the invention are, for example aqueous solutions of 39.6 kg sodium hydroxide and 110 to 163 kg Potassium carbonate in 250 to 1000 liters of the solution.
- the invention thus relates to this solution and its application in aqueous ultra-short liquors containing fiber-reactive dyes, such as Block fleets. It can contain common coloring aids, such as an anionic Wetting agent.
- the application / use of the invention Alkali formulation according to the invention is carried out in such a way that an aqueous Solution of one or more fiber-reactive dyes, the usual if necessary Contains coloring aids mixed with the alkali formulation according to the invention (whereby usually 100 liters of an aqueous dye solution with about 10 up to 12000 g of dye with 2 to 17 liters of the invention Alkali formulation added) and with the alkaline dye liquor thus obtained in Usually impregnated a cellulosic textile material, for example by Spray on or pad, and the dye or dyes for fiber-reactive Dyes fixed process conditions usual.
- the invention thus also relates to a process for dyeing cellulosic Textile material which is characterized in that an aqueous Dye solution, which is about 0.1 to 120 g of one or several fiber-reactive dyes and possibly conventional dyeing aids contains, with the alkali formulation according to the invention, for example with 20 to 170 ml, based on 1 liter of the dye solution, mixed, the resultant alkaline dyeing liquor on the cellulosic textile material in an amount of 60 up to 100 wt .-%, based on the weight of the goods, for example by spraying or padding, preferably by means of a customary padding process, and the dye or dyes among those customary for fiber-reactive dyes Process conditions fixed.
- an aqueous Dye solution which is about 0.1 to 120 g of one or several fiber-reactive dyes and possibly conventional dyeing aids contains, with the alkali formulation according to the invention, for example with 20 to 170 ml, based on 1 liter of the dye solution,
- the staining can also be carried out continuously without problems; the alkaline padding liquor can be formed continuously, which increases their stability guaranteed even with critical dyes.
- Dyeing agents which can be used according to the invention are the dyeing processes which are common in the art and are associated with an impregnation process (padding process) for applying fiber-reactive dyes and fixing them on cellulosic textile materials, for example the padding-cold-padding process, the pad-dry-pad-steam, pad / Air-Steam, Pad-Dry-Thermofix, Pad-Steam and Thermosol / Pad-Steam processes.
- the dyeings available here are characterized by better washability, neutralization option (which is not possible when using water glass by treatment in an acidic bath without SiO 2 formation) and a better grip.
- a preferred ultra-short liquor dyeing method is the block-cold retention process, in which the alkali-containing dye liquor (dye solution) in a foulard the tissue is squeezed and you put the padded tissue on a so-called caule docked and at room temperature for 4 to 24 hours on the Lets Kaule linger.
- the fixing phase is followed by a customary one Wash-out process in which the material can also be acidified.
- the in Figure 1 shown correlations between the concentration of dye and the amount of alkali formulation necessary for fixation in the padding liquor be valid.
- the alkali formulation A when using the alkali formulation A, one becomes equal aqueous solution of 39.6 g of sodium hydroxide and 163 g of potassium carbonate in 1000 ml based on 49 ml of this alkali formulation for the lowest practical dye concentration each 0.1 to 0.11 ml of the Alkali solution per 0.1 part by weight of dye added.
- the alkaline dye liquor contains the Alkali formulation B is an aqueous solution of 146 g of sodium hydroxide and 390 g of potassium carbonate in 1000 ml other than that for the lowest practical Dye concentration required an additional 20 ml of this alkali formulation B. 0.04 to 0.045 ml of the alkali solution per 0.1 part by weight of dye.
- the by mixing the alkali formulation according to the invention with a Alkaline dyeing liquor available in aqueous solution of fiber-reactive dyes shows a high pad liquor stability and can be used in all ultra short liquor processes, such as padding processes, in which alkali metal silicates have hitherto usually been used (Water glass) used as an alkali dispenser and / or pH buffering agents be used and replace them.
- a Alkaline dyeing liquor available in aqueous solution of fiber-reactive dyes shows a high pad liquor stability and can be used in all ultra short liquor processes, such as padding processes, in which alkali metal silicates have hitherto usually been used (Water glass) used as an alkali dispenser and / or pH buffering agents be used and replace them.
- Fiber-reactive dyes are widely and widely known and in the literature described. As fiber-reactive dyes are in particular to emphasize that as a fiber-reactive residue a residue of the vinyl sulfone series have, such as the vinylsulfonyl group or a Ethylsulfonyl group, which is in the ⁇ -position by an in alkaline medium eliminable substituents is substituted, such as the ⁇ -sulfatoethylsulfonyl, ⁇ -acetoxyethylsulfonyl, ⁇ -chloroethylsulfonyl or ⁇ -thiosulfatoethylsulfonyl group, furthermore fiber-reactive residues from chlorotriazinyl, fluorotriazinyl, Dichloroquinoxalinyl, fluoropyrimidinyl and chlorofluoropyrimidinyl series and Dyes with combinations of such fiber-reactive groups.
- Parts are Parts by weight, percentages are percentages by weight, unless otherwise noted. Parts by weight relate to parts by volume such as kilograms to liters.
- 10 parts of a bleached cotton fabric are padded at 20 ° C. with a liquor absorption of 70%, based on the weight of the goods, with an aqueous solution containing 10 parts of the dye with an electrolyte salt content of about 50% of the following in 1000 parts by volume Formula (A), 10 parts of the dye with an electrolyte salt content of about 50% of the formula (B) below, 10 parts of the dye with an electrolyte salt content of about 50% of the formula (C) U16 errcode ⁇ below and 33 parts of a Alkali formulation containing about 4.87 parts of sodium hydroxide and about 13 parts of potassium carbonate (the dye liquor is added by adding 33 parts of an alkali formulation according to the invention which contains about 331 parts by volume of 32% sodium hydroxide solution and about 390 parts of potassium carbonate in 1000 parts an aqueous solution of the dyes mentioned, which is then made up to 1000 parts with water).
- Formula (A) 10 parts of the dye with an electrolyte salt content of about 50% of the formula
- the fabric so impregnated with the dyeing liquor is cut off or placed on a Docke wrapped and then leave for twelve hours at 20 ° C. It then becomes a washing process customary for fiber-reactive dyes fed.
- a brown color is obtained, compared to that obtained by a process according to the state of the art using water glass and Sodium hydroxide solution obtained the same depth of color and an equally good Has level of authenticity and at which the edges of the fabric are continuous are colored.
- Example 1 The procedure of Example 1 is followed, but an aqueous dye liquor is used which, in 1000 parts by volume, contains 16 parts of the dye with an electrolyte salt content of about 50% of the formula (D) given below, 12.6 parts of the dye with an electrolyte salt content about 50% of formula (E) below, 13.3 parts of the dye with an electrolyte salt content of about 50% of formula (B) and 58.5 parts of the dye with an electrolyte salt content of about 50% of formula (C) as well Contains 24 parts of potassium carbonate and 9.1 parts of sodium hydroxide (corresponding to about 62 parts of the alkali formulation according to the invention mentioned in Example 1 and added to the dye solution).
- an aqueous dye liquor which, in 1000 parts by volume, contains 16 parts of the dye with an electrolyte salt content of about 50% of the formula (D) given below, 12.6 parts of the dye with an electrolyte salt content about 50% of formula (E) below, 13.3 parts of the dye with an electrolyte salt content of about 50% of formula
- a deep gray coloration is obtained compared to a coloration after the standard processes customary in the prior art, in which the dyeing liquor Contains water glass, sodium carbonate and urea is obtained, an equal has a deep shade and an equally good level of authenticity.
- a mercerized cotton fabric with a weight of about 120 g / m 2 is placed in a padder with an aqueous dyeing liquor containing 50 parts of the dye with an electrolyte salt content of about 50% of the formula (A) in 1000 parts by volume of 6.1 parts Contains sodium hydroxide and 16.1 parts of potassium carbonate and a conventional anionic wetting agent (for example obtainable by mixing the aqueous solution of dye (A) with 41 parts of the alkali formulation according to the invention from Example 1 and adding an anionic wetting agent), with a liquor absorption of 80%, based on the weight of the goods, padded at 20 ° C.
- the padded fabric is then run into a fixing unit, in which there is a temperature of 120 ° C.
- the colored material leaving the fusing unit still has a residual moisture content of 15% and is then subjected to a continuous washout process which is customary for reactive dyes and is completed.
- the yellow color is characterized by a very uniform appearance and a smooth surface.
- the hue is 5% deeper than a coloring after a conventional pad-dry-pad steam process using a Dye block, dryer and a chemical block with 900 ml / l Water glass and 100 ml / l 32% sodium hydroxide solution as an alkalizing agent will be produced.
- 10 parts of a bleached linen fabric are padded at 20 ° C. with a liquor absorption of 70%, based on the weight of the goods, with an aqueous solution containing 90 parts of 1000 parts by volume of a 50% electrolyte salt-containing dye powder of the dye given below Formula (G), 16 parts of a 50% electrolyte salt-containing dye powder of the dye of the formula (H) given below, 1.6 parts of a 50% electrolyte salt-containing dye powder of the dye of formula (F) and 66 parts of an aqueous solution according to the invention with a content contains 9.8 parts of sodium hydroxide and 26 parts of potassium carbonate.
- the fabric impregnated in this way is then cut off or placed on a dock wrapped and lingered at 20 ° C for twelve hours.
- the color obtained is then carried out in a manner customary for fiber-reactive dyes Rinse and wash finished.
- a black color is obtained, the compared to one according to a method according to the prior art Application of water glass and caustic soda obtained staining the same Depth of color and an equally good level of authenticity.
- 10 parts of a bleached cotton body are padded at 20 ° C with a liquor absorption of 80%, based on the weight of the goods, with an aqueous solution containing 30 parts of 1000 parts by volume of a 50% electrolyte salt-containing dye powder of the dye of the formula ( A), 9 parts of a 50% electrolyte salt-containing dye powder of the dye of the formula (J) given below, 10.5 parts of a 50% electrolyte salt-containing dye of the formula (C), 4.5 parts of a 50% electrolyte salt-containing dye powder of the dye Formula (G) and 43 parts of an aqueous solution according to the invention containing 6.2 parts of sodium hydroxide and 16.5 parts of potassium carbonate.
- the fabric impregnated in this way is then cut off or placed on a dock wrapped and lingered at 20 ° C for twelve hours.
- the color obtained is then carried out in a manner customary for fiber-reactive dyes Rinse and wash finished.
- a mud-colored coloring is obtained, the compared to one according to a method according to the prior art Application of water glass and caustic soda obtained staining the same Depth of color and an equally good level of authenticity.
- 10 parts of a bleached cotton fabric are padded at 20 ° C with a liquor absorption of 70%, based on the weight of the goods, with an aqueous solution containing 100 parts of a 50% electrolyte salt-containing dye powder of the copper phthalocyanine dye in 1000 parts by volume contains formula (K) below and 61 parts of an aqueous solution according to the invention containing 9.1 parts of sodium hydroxide and 24 parts of potassium carbonate.
- the fabric impregnated in this way is then cut off or placed on a dock wrapped and lingered at 20 ° C for twelve hours.
- the color obtained is then carried out in a manner customary for fiber-reactive dyes Rinse and wash finished. You get a turquoise color, the compared to one according to a method according to the prior art Application of water glass and caustic soda obtained staining the same Depth of color and an equally good level of authenticity.
- the fabric impregnated in this way is then cut off or placed on a dock wrapped and lingered at 20 ° C for twelve hours.
- the color obtained is then carried out in a manner customary for fiber-reactive dyes Rinse and wash finished.
- a light brown color is obtained which compared to one according to a method according to the prior art Application of water glass and caustic soda obtained staining the same Depth of color and an equally good level of authenticity.
- the fabric impregnated in this way is then cut off or placed on a dock wrapped and lingered at 20 ° C for twelve hours.
- the color obtained is then carried out in a manner customary for fiber-reactive dyes Rinse and wash finished.
- a deep blue color is obtained, the compared to one according to a method according to the prior art Application of water glass and caustic soda obtained staining the same Depth of color and an equally good level of authenticity.
- 10 parts of a bleached cotton fabric are padded at 20 ° C with a liquor absorption of 70%, based on the weight of the goods, with an aqueous solution containing 110 parts of 1000 parts by volume of a 50% electrolyte salt-containing dye powder of the dye of the formula ( G), 40 parts of a 50% electrolyte-containing dye powder of the dye of the formula (L) given below and 90 parts of an aqueous solution according to the invention of 13 parts of sodium hydroxide and 35 parts of potassium carbonate.
- the fabric impregnated in this way is then cut off or placed on a dock wrapped and lingered at 20 ° C for twelve hours.
- the color obtained is then carried out in a manner customary for fiber-reactive dyes Rinse and wash finished.
- a deep black color is obtained, the compared to one according to a method according to the prior art Application of water glass and caustic soda obtained staining the same Depth of color and an equally good level of authenticity.
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Coloring (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Description
Claims (6)
- Wäßrige Lösung mit einem Gehalt an Natriumhydroxid und Kaliumcarbonat im molaren Verhältnis von 1 : 1,7 bis 1 : 0,5.
- Alkaliformulierung nach Anspruch 1, dadurch gekennzeichnet, daß das Natriumhydroxid und das Kaliumcarbonat im molaren Verhältnis von 1 : 1,5 bis 1 : 1,1 vorliegen.
- Alkaliformulierung nach Anspruch 1, dadurch gekennzeichnet, daß das Natriumhydroxid und das Kaliumcarbonat im molaren Verhältnis von 1 : 1,2 bis 1 : 0,7 vorliegen.
- Verwendung einer wäßrigen Alkaliformulierung nach mindestens einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß man die wäßrige Alkaliformulierung mit einer wäßrigen Lösung eines oder mehrerer faserreaktiver Farbstoffe vermischt, mit der so erhaltenen alkalischen Färbeflotte in üblicher Weise ein cellulosisches Textilmaterial imprägniert und den oder die Farbstoffe unter den für faserreaktive Farbstoffe üblichen Verfahrensbedingungen fixiert.
- Verfahren zum Färben von cellulosischen Textilmaterialien, dadurch gekennzeichnet, daß man eine wäßrige Alkaliformulierung nach mindestens einem der Ansprüche 1 bis 3 mit einer wäßrigen Lösung eines oder mehrerer faserreaktiver Farbstoffe vermischt, das cellulosische Textimaterial mit der so erhaltenen alkalischen Färbeflotte imprägniert und den oder die Farbstoffe unter den für faserreaktive Farbstoffe üblichen Färbebedingungen fixiert.
- Verfahren nach Anspruch 5, dadurch gekennzeichnet, daß die Verfahrensbedingungen denen des Klotz-Kaltverweil-, Pad-Dry-Pad-Steam-, Pad/Air-Steam-, Pad-Dry-Thermofix-, Pad-Steam- oder Thermosol/Pad-Steam-Verfahrens entsprechen.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19809128 | 1998-03-04 | ||
DE19809128 | 1998-03-04 | ||
DE19849898 | 1998-10-29 | ||
DE19849898A DE19849898A1 (de) | 1998-03-04 | 1998-10-29 | Alkalihaltige wäßrige Lösungen und deren Verwendung in Verfahren zum Färben von cellulosischen Textilmaterialien |
Publications (1)
Publication Number | Publication Date |
---|---|
EP0940497A1 true EP0940497A1 (de) | 1999-09-08 |
Family
ID=26044316
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99103510A Withdrawn EP0940497A1 (de) | 1998-03-04 | 1999-02-24 | Alkalihaltige wässrige Lösungen und deren Verwendung in Verfahren zum Färben von cellulosischen Textilmaterialien |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0940497A1 (de) |
BR (1) | BR9900877A (de) |
DE (1) | DE29820204U1 (de) |
ID (1) | ID22169A (de) |
TR (1) | TR199900449A2 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6530961B1 (en) | 1998-03-04 | 2003-03-11 | Dystar Textilfarben Gmbh & Co. Deutschland Kg | Alkaline aqueous solutions and use thereof in processes for dyeing cellulosic textile materials |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1963015A1 (de) * | 1969-12-16 | 1971-06-24 | Hoechst Ag | Verfahren zur kontinuierlichen Fixierung von Drucken und Klotzfaerbungen in Schmelzen |
DE3542025A1 (de) * | 1985-11-28 | 1987-06-11 | Hoechst Ag | Mischungen wasserloeslicher faserreaktiver farbstoffe und ihre verwendung zum faerben |
EP0283114A2 (de) * | 1987-02-17 | 1988-09-21 | Sybron Chemical Holdings Inc. | Alkalisierungsmittel für faserreaktive Farbstoffe in Baumwolle |
DE3727909A1 (de) * | 1987-08-21 | 1989-03-02 | Hoechst Ag | Wasserloesliche phthalocyaninverbindungen, verfahren zu ihrer herstellung und ihre verwendung als farbstoffe |
DE3843135A1 (de) * | 1988-12-22 | 1990-06-28 | Hoechst Ag | Kupferkomplex-formazan-verbindungen, verfahren zu ihrer herstellung und ihre verwendung als farbstoffe |
EP0497298A1 (de) * | 1991-01-31 | 1992-08-05 | Hoechst Aktiengesellschaft | Verfahren zum Klotzfärben von Zellulosefasern mit Schwefelschwarzfarbstoffen |
-
1998
- 1998-10-29 DE DE29820204U patent/DE29820204U1/de not_active Expired - Lifetime
-
1999
- 1999-02-22 ID IDP990136A patent/ID22169A/id unknown
- 1999-02-24 EP EP99103510A patent/EP0940497A1/de not_active Withdrawn
- 1999-03-02 TR TR1999/00449A patent/TR199900449A2/xx unknown
- 1999-03-04 BR BR9900877A patent/BR9900877A/pt not_active Application Discontinuation
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1963015A1 (de) * | 1969-12-16 | 1971-06-24 | Hoechst Ag | Verfahren zur kontinuierlichen Fixierung von Drucken und Klotzfaerbungen in Schmelzen |
DE3542025A1 (de) * | 1985-11-28 | 1987-06-11 | Hoechst Ag | Mischungen wasserloeslicher faserreaktiver farbstoffe und ihre verwendung zum faerben |
EP0283114A2 (de) * | 1987-02-17 | 1988-09-21 | Sybron Chemical Holdings Inc. | Alkalisierungsmittel für faserreaktive Farbstoffe in Baumwolle |
DE3727909A1 (de) * | 1987-08-21 | 1989-03-02 | Hoechst Ag | Wasserloesliche phthalocyaninverbindungen, verfahren zu ihrer herstellung und ihre verwendung als farbstoffe |
DE3843135A1 (de) * | 1988-12-22 | 1990-06-28 | Hoechst Ag | Kupferkomplex-formazan-verbindungen, verfahren zu ihrer herstellung und ihre verwendung als farbstoffe |
EP0497298A1 (de) * | 1991-01-31 | 1992-08-05 | Hoechst Aktiengesellschaft | Verfahren zum Klotzfärben von Zellulosefasern mit Schwefelschwarzfarbstoffen |
Also Published As
Publication number | Publication date |
---|---|
TR199900449A3 (tr) | 1999-09-21 |
DE29820204U1 (de) | 1999-01-28 |
TR199900449A2 (xx) | 1999-09-21 |
BR9900877A (pt) | 2000-06-27 |
ID22169A (id) | 1999-09-09 |
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