EP0283114B1 - Alkalisierungsmittel für faserreaktive Farbstoffe in Baumwolle - Google Patents

Alkalisierungsmittel für faserreaktive Farbstoffe in Baumwolle Download PDF

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Publication number
EP0283114B1
EP0283114B1 EP88300516A EP88300516A EP0283114B1 EP 0283114 B1 EP0283114 B1 EP 0283114B1 EP 88300516 A EP88300516 A EP 88300516A EP 88300516 A EP88300516 A EP 88300516A EP 0283114 B1 EP0283114 B1 EP 0283114B1
Authority
EP
European Patent Office
Prior art keywords
alkalizer
water
bath
tripotassium phosphate
dye
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.)
Expired - Lifetime
Application number
EP88300516A
Other languages
English (en)
French (fr)
Other versions
EP0283114A2 (de
EP0283114A3 (de
Inventor
Ernesto V. De Guzman
James C. Moran
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sybron Chemical Holdings Inc
Original Assignee
Sybron Chemical Holdings Inc
Sybron Chemicals Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Sybron Chemical Holdings Inc, Sybron Chemicals Inc filed Critical Sybron Chemical Holdings Inc
Priority to AT88300516T priority Critical patent/ATE93555T1/de
Publication of EP0283114A2 publication Critical patent/EP0283114A2/de
Publication of EP0283114A3 publication Critical patent/EP0283114A3/de
Application granted granted Critical
Publication of EP0283114B1 publication Critical patent/EP0283114B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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

Definitions

  • an alkaline material is added to promote a chemical reaction between the dye molecules and atoms of the cellulosic fibres.
  • the dye combines chemically with the cellulosic material.
  • the dye, so bonded, will not wash out of the cellulose. This is known as a “wash-fast” dyeing. Without the “salting out", which increases the substantivity of unreacted dye molecules with the fibre, much of the dye would not have reacted with the fibre and the colour would have been lost.
  • a fibre-reactive dye molecule is made up of a colour portion and a chemically-reactive portion.
  • the chemically-reactive portion reacts with an hydroxyl group on the cellulose macromolecule under alkaline conditions to form a chemical bond between the cullulosic material and the colour portion of the dye molecule.
  • electrolytes in the form of neutral salts are added to the dyebath to enhance the substantivity of the dye molecules on to the cellulosic material fibres, before chemical reaction between the hydroxyl groups and the chemically-reactive portion of the dye takes place.
  • a good yield in dyeing depends on causing a large proportion of the dye molecules to absorb, or "salt out", on to the cellulosic macromolecules, before chemical reaction occurs. This must then be followed by the addition of an alkaline material which promotes the chemical reaction between the cellulosic fibre and the dye molecule and minimizes the reaction between dye molecules and water molecules.
  • sodium hydroxide alone or in combination with soda ash sodium carbonate
  • sodium carbonate alone sodium carbonate alone
  • trisodium phosphate sodium bicarbonate
  • tripotassium phosphate alone or in combination with a strong base such as potassium hydroxide and/or sodium hydroxide.
  • JP-A-56-043490 discloses a resist or discharge printing paste containing, as indispensable ingredients, an alkali metal salt, fine silica powder and an alkaline compound which is preferably sodium or potassium carbonate or hydroxide or sodium or potassium phosphate.
  • FR-A-2148294 states that known acid binding agents used in dyeing with reactive dyestuffs are caustic alkalis, sodium carbonate, sodium bicarbonate, trisodium phosphate and sodium metasilicate.
  • the present invention provides an alkalizer, suitable for use as a textile bath additive which comprises a water solution containing tripotassium phosphate, characterised in that the alkalizer comprises a premixed liquid composition suitable for direct addition to a textile bath and being formed from, by weight: Tripotassium phosphate 5-45% Potassium hydroxide and/or sodium hydroxide 0-10% Potassium carbonate and/or sodium carbonate 2-10% Water Balance
  • This invention also provides a method of controlling the alkali content of a reactive dye bath process, which comprises:
  • K3PO4 tripotassium phosphate
  • KOH potassium hydroxide
  • NaOH sodium hydroxide
  • K2CO3 potassium carbonate
  • Na2CO3 sodium carbonate
  • the combination of these ingredients can be made as a convenient direct textile bath additive in the form of an aqueous solution, preferably with a total solids ranging from about 10% up to approximately 50% by weight of the solution.
  • the limit of lower percentage is dictated by the economics of having a more concentrated solution for transportation.
  • the upper limit of concentration is determined by the temperature at which a mixture can be stored. For storage above 10°C, the concentration can be even higher.
  • the liquid alkalizer of the present invention can be formulated over a wide range of concentrations. It has been found that the combination of the ingredients of the present invention can be made in aqueous solutions, preferably with the total solids ranging from about 10% to up to approximately 50% by weight of the solution. The lower limit is dictated mainly by the economics of having a more concentrated solution for transportation, while the upper limit of concentration is determined by the temperature at which a mixture can be stored. For storage above 10°C, the concentration can be higher.
  • potassium hyroxide (or equivalent sodium hydroxide) is optional, it is a preferred component in that it functions in the dye-bath to neutralize acidity.
  • NaOH may be fully or partially substituted to an equal total amount for KOH and Na2CO3 may be fully or partially substituted to an equal total amount for the K2CO3.
  • a typical method used for making the liquid alkalizers of the present invention is as follows: To prepare a formulation of the present invention, the appropriate amount of water is first added to a vessel. The K3PO4 can be added with stirring and, when dissolved, the desired amount of KOH is then added. Next, Na2CO3 or K2CO3 is added. The alkalizer mix is stirred and drained into drums after cooling below 40°C. The drummed material is the alkalizer ready for use or sale.
  • the liquid alkalizer can be prepared using phosphoric acid (H3PO4), a 45% solution of KOH and a 47% solution of K2CO3, all of which are commercially available.
  • H3PO4 phosphoric acid
  • KOH 45% solution of KOH
  • K2CO3 47% solution of K2CO3
  • the water content of the alkalizer of the present invention can therefore originate from water introduced as such, or from water introduced as part of an aqueous solution of the other ingredients, or partly from one source and partly from the other.
  • the ingredients would be added in the same order as listed, using cooling as necessary to keep temperature below 70°C. Cool to 40°C and pack into drums.
  • Formula (F) of TABLE II would be made as follows: 8.1% Water 61.8% KOH - 45% solution 21.6% H3PO4 - 75% solution 8.5% K2CO3 47% solution Add ingredients in the order listed, using cooling to keep the temperature below 70°C. Cool finally to below 40°C and pack into drums.
  • the alkalizer formulations of the present invention may be used for the dyeing of cellulosic materials with fibre-reactive dyes as follows, using an Ahiba Laboratory dyeing apparatus to carry out the dyeing: Into a suitable dyeing beaker of about 230 ml volume, 100 ml of water at 80°F (27°C), 7 grams of sodium chloride, 0.05 grams of surfactant, Tanaterge LV (Sybron Chemicals, Inc), and 0.3 grams of Remazol REd F3B Fibre-Reactive Dye (American Hoechst) are added. Place the beaker in the water bath of the Ahiba device. Mount a swatch of 100% woven cotton on an agitator holder and insert it into the beaker.
  • the agitator is capable of simultaneous vertical and rotational motion.
  • the cotton swatch in held below the surface of the liquid at the lowest point of the agitator movement.
  • the Ahiba bath is held at 80°F (27°C) while agitating for 10 minutes.
  • about 0.5 gm of liquid alkalizer is added and the bath is agitated for 10 minutes.
  • the bath is then heated to 140°F (60°C), and agitated for 45 minutes.
  • the cotton swatch is then removed from the bath, washed with cold water, then hot water, then soap solution, then hot water and finally cold water.
  • the swatch is then dried and the dyed colour evaluated.
  • Formula (G) is a Sybron Chemicals, Inc. commercial alkalzier sold under the trademark ALKAFLO®. Using the ALKAFLO alkalizer as the reference standard alkalizer, the colours of 100% cotton swatches are compared and tested by means of the ACS Spectro Sensor (Applied Color Systems Inc.).
  • the dry dyed cotton sample was folded over twice and then placed in the sample holder of the ACS Spectro Sensor. A scan of the sample is then run automatically and the spectro data automatically stored in the IBM PC computer which is connected to the ACS Sensor.
  • the cotton sample which was dyed using ALKAFLO liquid alkalizer as the alkalizer is arbitrarily taken as the standard, with the strength reading set at 100.
  • the spectro data of the other samples are compared automatically by the IBM PC and strength results are printed out.
  • Readings of 100 are equal to standard. Readings above 100 show greater dye strength than standard. Readings below 100 show weaker dye strength than standard.
  • a small amount, such as 0.1%, of sodium gluconate or other suitable sequestering agent may be added to any of the above formulations, to prevent the formation of precipitates caused by impurities in the water or chemicals used.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Coloring (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)
  • Detergent Compositions (AREA)

Claims (10)

  1. Als Textilbadadditiv geeignetes Alkalisierungsmittel, welches aus einer, Trikaliumphosphat enthaltenden wässrigen Lösung besteht, dadurch gekennzeichnet, daß das Alkalisierungsmittel aus einer zum direkten Einbringen in ein Textilbad geeigneten, aus
    - 5 Gew.-% bis 45 Gew.-% Trikaliumphosphat
    0 Gew.-% bis 10 Gew.-% Kaliumhydroxyd und/oder Natriumhydroxyd
    2 Gew.-% bis 10 Gew.-% Kaliumkarbonat und/oder Natriumkarbonat
    und im übrigen aus Wasser hergestellten, vorgemischten flüssigen Zusammensetzung besteht.
  2. Alkalisierungszusammensetzung nach Anspruch 1, hergestellt aus Trikaliumphosphat, Kaliumhydroxyd, Kaliumkarbonat und Wasser.
  3. Alkalisierungszusammensetzung nach Anspruch 1, hergestellt aus Trikaliumphosphat, Natriumhydroxyd, Natriumkarbonat und Wasser.
  4. Alkalisierungszusammensetzung nach einem der vorangegangenen Ansprüche, hergestellt aus Wasser und
    - 10 Gew.-% bis 35 Gew.-% Trikaliumphosphat,
    2 Gew.-% bis 8 Gew.-% Kaliumhydroxyd und/oder Natriumhydroyd und
    3 Gew.-% bis 8 Gew.-% Kaliumkarbonat und/oder Natriumkarbonat.
  5. Alkalisierungszusammensetzung nach einem der vorangegangenen Ansprüche mit einem Gesamtgehalt an Feststoffen von 10 Gew.-% bis 50 Gew.-%.
  6. Verfahren zur Regelung des Alkaligehalts eines reaktiven Färbebadprozesses, bestehend aus
    (a) der Bereitstellung einer flüssigen reaktiven Färbebadlösung, welche Wasser, ein oberflächenaktives Mittel, Salz und einen Farbstoff enthält,
    (b) dem Einbringen eines zellulosehaltigen textilen, zu färbenden Materials in das Bad sowie der Aufheizung des Färbebades während einer vorgeschriebenen Zeitspanne und
    (c) dem Einbringen eines Alkalisierungsmittels in das Bad, dadurch gekennzeichnet, daß das Alkalisierungsmittel eine vorgemischte flüssige Lösung umfaßt, die aus 5 Gew.-% bis 45 Gew.-% Trikaliumphosphat, bis zu 10 Gew.-% Kaliumhydroxyd und/oder Natriumhydroxyd und aus 2 Gew.-% bis 10 Gew.-% Kaliumkarbonat und/oder Natriumkarbonat hergestellt ist, wobei der Rest Wasser ist, wobei das Alkalisierungsmittel in einer solchen Menge eingesetzt wird, welche zur Regelung der Alkalikonzentration des Färbebades auf einem solchen Niveau ausreichend ist, welches die Bildung einer festen chemischen Verbindung des reaktiven Farbstoffes mit dem zellulosehaltigen textilen Material ermöglicht, sobald das Bad während einer vorgeschriebenen Zeitspanne beheizt wird.
  7. Verfahren nach Anspruch 6, bei welchem das Alkalisierungsmittel aus Trikaliumphosphat, Kaliumhydroxyd, Kaliumkarbonat und Wasser gebildet ist.
  8. Verfahren nach Anspruch 6, bei welchem das Alkalisierungsmittel aus Trikaliumphosphat, Natriumhydroxyd, Natriumkarbonat und Wasser gebildet ist.
  9. Verfahren nach einem der Ansprüche 6 bis 8, bei welchem das Alkalisierungsmittel aus Wasser und
    - 10 Gew.-% bis 35 Gew.-% Trikaliumphosphat,
    2 Gew.-% bis 8 Gew.-% Kaliumhydroxyd und/oder Natriumhydroxyd und
    3 Gew.-% bis 8 Gew.-% Kaliumkarbonat und/oder Natriumkarbonat
    hergestellt ist.
  10. Verfahren nach einem der Ansprüche 6 bis 9, bei welchem das Alkalisierungsmittel zur Zeit des Einbringens in das Bad einen gesamten Feststoffgehalt von 10 Gew.-% bis 50 Gew.-% aufweist.
EP88300516A 1987-02-17 1988-01-22 Alkalisierungsmittel für faserreaktive Farbstoffe in Baumwolle Expired - Lifetime EP0283114B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT88300516T ATE93555T1 (de) 1987-02-17 1988-01-22 Alkalisierungsmittel fuer faserreaktive farbstoffe in baumwolle.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US1542887A 1987-02-17 1987-02-17
US15428 1987-02-17

Publications (3)

Publication Number Publication Date
EP0283114A2 EP0283114A2 (de) 1988-09-21
EP0283114A3 EP0283114A3 (de) 1991-09-11
EP0283114B1 true EP0283114B1 (de) 1993-08-25

Family

ID=21771355

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88300516A Expired - Lifetime EP0283114B1 (de) 1987-02-17 1988-01-22 Alkalisierungsmittel für faserreaktive Farbstoffe in Baumwolle

Country Status (3)

Country Link
EP (1) EP0283114B1 (de)
AT (1) ATE93555T1 (de)
DE (1) DE3883405T2 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9105247D0 (en) * 1991-03-12 1991-04-24 Unilever Plc Dyebath additive
US5609180A (en) * 1992-04-27 1997-03-11 Burlington Chemical Co., Inc. Liquid alkali system for fiber reactive dyeing
US5382262A (en) * 1992-04-27 1995-01-17 Burlington Chemical Co. Process for preparing a super saturated liquid alkali composition for reactive dyeing of textiles
US5603736A (en) * 1992-04-27 1997-02-18 Burlington Chemical Co., Inc. Liquid alkali for reactive dyeing of textiles
JPH073036B2 (ja) * 1992-06-05 1995-01-18 三菱化成ヘキスト株式会社 セルロース繊維含有材料の染色方法および染色装置
US5840084A (en) * 1996-11-22 1998-11-24 Sybron Chemicals, Inc. Dye bath and method for reactive dyeing
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
DE29820204U1 (de) * 1998-03-04 1999-01-28 Dystar Textilfarben Gmbh & Co Alkalihaltige wäßrige Lösungen
CN100427672C (zh) * 2006-03-10 2008-10-22 苏明辉 活性染料染色用液体染色碱

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3791787A (en) * 1971-08-05 1974-02-12 Nippon Kayaku Kk Process for dyeing cellulose fibers
JPS6028957B2 (ja) * 1979-09-11 1985-07-08 東洋紡績株式会社 ポリエステル繊維製品の捺染法

Also Published As

Publication number Publication date
DE3883405T2 (de) 1993-12-09
EP0283114A2 (de) 1988-09-21
DE3883405D1 (de) 1993-09-30
EP0283114A3 (de) 1991-09-11
ATE93555T1 (de) 1993-09-15

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