CH193258A - Process for the production of an acidic wool dye. - Google Patents

Process for the production of an acidic wool dye.

Info

Publication number
CH193258A
CH193258A CH193258DA CH193258A CH 193258 A CH193258 A CH 193258A CH 193258D A CH193258D A CH 193258DA CH 193258 A CH193258 A CH 193258A
Authority
CH
Switzerland
Prior art keywords
dye
production
acidic
wool dye
acidic wool
Prior art date
Application number
Other languages
German (de)
Inventor
Aktiengesellsc Farbenindustrie
Original Assignee
Ig Farbenindustrie Ag
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 Ig Farbenindustrie Ag filed Critical Ig Farbenindustrie Ag
Publication of CH193258A publication Critical patent/CH193258A/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B17/00—Azine dyes
    • C09B17/04—Azine dyes of the naphthalene series

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Coloring (AREA)

Description

  

      Zusatzpatent    zum Hauptpatent Nr. 189649.         Verfahren        zur        Herstellung        eines        sauren       Gegenstand vorliegenden Patentes ist ein  Verfahren zur Herstellung eines sauren  Wollfarbstoffes, das dadurch gekennzeichnet  ist, dass man den Farbstoff der     Formel:     
EMI0001.0008     
    mit einem sulfonierenden     Mittel    behandelt.

    Der neue Farbstoff, der zwei     Sulfogrup-          pen    im Molekül enthält, färbt Wolle in sehr  klaren, grünstickig blauen Tönen von guter  Licht- und     Alkaliechtheit.       <I>Beispiel:</I>  Der nach     bekannten    Methoden hergestellte  Farbstoff der Formel:  
EMI0001.0014     
    wird zwecks     Aulfonierung    in die fünffache  Menge 30%igen     Oleums        eingetragen    und  mehrere     Stunden    auf<B>80'</B> erhitzt, bis eine  Probe     in    wässriger     Natriumacetatlösung    klar  löslich ist.

   Die Aufarbeitung erfolgt in übli  cher Weise durch Ausgiessen auf Eis, Filtrie  ren und     Überführung    in das     Natronsalz.    Der  erhaltene Farbstoff enthält zwei     Sulfogrup-          pen    im Molekül. Er färbt Wolle in sehr kla  ren, grünstickig blauen Tönen von guter  Licht- und     Alkaliechtheit.  



      Additional patent to the main patent No. 189649. Process for the production of an acidic object The present patent is a process for the production of an acidic wool dye, which is characterized in that the dye of the formula:
EMI0001.0008
    treated with a sulfonating agent.

    The new dye, which contains two sulfo groups in the molecule, dyes wool in very clear, greenish blue tones that are lightfast and alkali fast. <I> Example: </I> The dye of the formula prepared by known methods:
EMI0001.0014
    For the purpose of sulfonation, five times the amount of 30% oleum is added and heated to <B> 80 '</B> for several hours until a sample is clearly soluble in aqueous sodium acetate solution.

   Working up is carried out in a customary manner by pouring onto ice, filtering and converting into the sodium salt. The dye obtained contains two sulfo groups in the molecule. It dyes wool in very clear, greenish blue tones with good light and alkali fastness.

Claims (1)

PATENTANSPRUCH: Verfahren zur Herstellung eines sauren Wollfarbstoffes, dadurch gekennzeichnet, dass man den Farbstoff der Formel: EMI0002.0003 mit einem sulfonierenden Mittel behandelt. Der neue Farbstoff, der zwei Sulfogrup- pen im. Molekül enthält, färbt Wolle in sehr klaren, grünstichig blauen Tönen von guter Licht- und Alkaliechtheit. PATENT CLAIM: Process for the production of an acidic wool dye, characterized in that the dye of the formula: EMI0002.0003 treated with a sulfonating agent. The new dye that contains two sulfo groups in the. Contains molecule, dyes wool in very clear, greenish blue shades of good light and alkali fastness.
CH193258D 1936-04-11 1936-04-11 Process for the production of an acidic wool dye. CH193258A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH193258T 1936-04-11
CH189649T 1936-04-11

Publications (1)

Publication Number Publication Date
CH193258A true CH193258A (en) 1937-09-30

Family

ID=25721838

Family Applications (1)

Application Number Title Priority Date Filing Date
CH193258D CH193258A (en) 1936-04-11 1936-04-11 Process for the production of an acidic wool dye.

Country Status (1)

Country Link
CH (1) CH193258A (en)

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