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DE1265701B - Process for improving the fastness properties of dyeings and prints with sulfur dyes - Google Patents

Process for improving the fastness properties of dyeings and prints with sulfur dyes

Info

Publication number
DE1265701B
DE1265701B DER37261A DER0037261A DE1265701B DE 1265701 B DE1265701 B DE 1265701B DE R37261 A DER37261 A DE R37261A DE R0037261 A DER0037261 A DE R0037261A DE 1265701 B DE1265701 B DE 1265701B
Authority
DE
Germany
Prior art keywords
prints
dyeings
improving
fastness properties
sulfur dyes
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.)
Pending
Application number
DER37261A
Other languages
German (de)
Inventor
Dipl-Chem Dr Karl Bredereck
Dipl-Chem Dr Hermann Rath
Dipl-Chem Dr Horst Rieckert
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.)
HERMANN RATH DIPL CHEM DR
Original Assignee
HERMANN RATH DIPL CHEM DR
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 HERMANN RATH DIPL CHEM DR filed Critical HERMANN RATH DIPL CHEM DR
Priority to DER37261A priority Critical patent/DE1265701B/en
Publication of DE1265701B publication Critical patent/DE1265701B/en
Pending legal-status Critical Current

Links

Classifications

    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06PDYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P1/00General 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
    • D06P1/30General 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 sulfur dyes

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Coloring (AREA)

Description

Verfahren zur Verbesserung der Echtheitseigenschaften von Färbungen und Drucken mit Schwefelfarbstoffen Es ist bekannt (deutsche Patentschrift 907 643), die Echtheitseigenschaften von Färbungen und Drucken in der Weise zu verbessern, daß man die Färbungen bzw. Drucke vor der Oxydation mit bi- oder polyfunktionellen Halogeniden nachbehandelt.Process for improving the fastness properties of dyeings and printing with sulfur dyes It is known (German Patent 907 643), to improve the fastness properties of dyeings and prints in such a way that that the dyeings or prints before the oxidation with bi- or polyfunctional Post-treated halides.

Da die betreffenden Halogenide nicht wasserlöslich sind, wurde vorgeschlagen, diese in wasseremulgiertem Zustand anzuwenden. Unter diesen Umständen findet aber nur eine langsame und unvollständige Reaktion mit den Schwefelfarbstoffen statt.Since the halides in question are insoluble in water, it was suggested that to use them in a water-emulsified state. Under these circumstances, however, takes place only a slow and incomplete reaction with the sulfur dyes takes place.

Überraschenderweise hat sich gezeigt, daß man die Umsetzung mit den Halogeniden oder auch mit Halogenhydrinen auch in wäßriger Lösung durchführen kann, wenn man unter Zusatz von solchen Lösungsmitteln arbeitet, die sich mit Wasser mischen und die auch in der wäßrigen Mischung ein starkes Lösevermögen für die Dihalogenide besitzen. In Betracht kommen als Lösungsmittel z. B. N-Dialkylcarbonsäureamide, wie Dimethylformamid oder auch Dimethylsulfoxyd oder Methyläthylketon. Als Halogenide kommen z. B. Dichlorbutin und Dichlorbuten, als Halogenhydrine Epichlorhydrin und 1,3-Dichlorpropanolin Frage.Surprisingly, it has been shown that the implementation with the Can carry out halides or with halohydrins also in aqueous solution, if you work with the addition of solvents that mix with water and which also have a strong dissolving power for the dihalides in the aqueous mixture own. Suitable solvents are, for. B. N-dialkylcarboxamides, such as dimethylformamide or dimethyl sulfoxide or methyl ethyl ketone. As halides come z. B. dichlorobutine and dichlorobutene, as halohydrins and epichlorohydrin 1,3-dichloropropanolin question.

Beispiel 10 g einer mit einem Schwefelfarbstoff gefärbten Baumwolle werden nach dem Herausnehmen aus dem Färbebad abgequetscht und vor der Oxydation 15 Minuten bei 90°C in einem wäßrigen Bad (Flottenverhältnis 1: 20), welches etwa 10 °/o Dimethylformamid und etwa 0,3 g 1,4-Dichlorbutin-(2) enthält, behandelt. Das in Dimethylformamid gelöste 1,4-Dichlorbutin-(2) wird kurz vor der Nachbehandlung in das heiße Be-, handlungsbad gegeben.Example 10 g of a cotton dyed with a sulfur dye are squeezed off after being removed from the dye bath and before oxidation 15 minutes at 90 ° C in an aqueous bath (liquor ratio 1:20), which is about 10% of dimethylformamide and about 0.3 g of 1,4-dichlorobutyn- (2) contains, treated. The 1,4-dichlorobutyn- (2) dissolved in dimethylformamide is shortly before the aftertreatment put in the hot treatment bath.

Claims (1)

Patentanspruch: Verfahren zur Verbesserung der Echtheitseigenschaften von Färbungen und Drucken mit Schwefelfarbstoffen, dadurch gekennzeichnet, daß die Färbungen oder Drucke im reduzierten Zustand, also vor der Oxydation, mit bi- bzw. polyfunktionellen Substanzen von der Art der Alkyl-bzw. Alkylendi- bzw. -polyhalogenide und der Halogenhydrine in wäßriger Lösung in Gegenwart eines mit Wasser mischbaren organischen Lösungsmittels, welches die Polyhalogenide zu lösen vermag, behandelt werden.Claim: Method for improving the authenticity properties of dyeings and prints with sulfur dyes, characterized in that the Dyes or prints in the reduced state, i.e. before oxidation, with bi- or polyfunctional substances of the type of alkyl or. Alkylenedi- or polyhalides and the halohydrins in aqueous solution in the presence of one miscible with water organic solvent, which is able to dissolve the polyhalides, treated will.
DER37261A 1964-02-19 1964-02-19 Process for improving the fastness properties of dyeings and prints with sulfur dyes Pending DE1265701B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DER37261A DE1265701B (en) 1964-02-19 1964-02-19 Process for improving the fastness properties of dyeings and prints with sulfur dyes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DER37261A DE1265701B (en) 1964-02-19 1964-02-19 Process for improving the fastness properties of dyeings and prints with sulfur dyes

Publications (1)

Publication Number Publication Date
DE1265701B true DE1265701B (en) 1968-04-11

Family

ID=7405155

Family Applications (1)

Application Number Title Priority Date Filing Date
DER37261A Pending DE1265701B (en) 1964-02-19 1964-02-19 Process for improving the fastness properties of dyeings and prints with sulfur dyes

Country Status (1)

Country Link
DE (1) DE1265701B (en)

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