CH193254A - Process for the production of an acidic wool dye. - Google Patents

Process for the production of an acidic wool dye.

Info

Publication number
CH193254A
CH193254A CH193254DA CH193254A CH 193254 A CH193254 A CH 193254A CH 193254D A CH193254D A CH 193254DA CH 193254 A CH193254 A CH 193254A
Authority
CH
Switzerland
Prior art keywords
dye
production
acidic
blue
wool dye
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 CH193254A publication Critical patent/CH193254A/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

  

  <B>Zusatzpatent</B> zum     Hauptpatent    Nr. 189649.    verfahren zur Herstellung eines sauren     Wollfarbstoffes.       Gegenstand vorliegenden Patentes ist ein  Verfahren zur Herstellung eines sauren  Wollfarbstoffes, das dadurch gekennzeich  net ist, dass man den Farbstoff der Formel:  
EMI0001.0003     
    mit. einem sulfonierenden Mittel behandelt.

    Der neue Farbstoff, der zwei     Sulfogrup-          pen    im Molekül enthält, löst sich in konzen  trierter Schwefelsäure grün, in Wasser blau  und färbt Wolle in blauen Tönen von guter  Licht- und     Alkaliechtheit    und gutem     Egali-          sierungsvermögen.       <I>Beispiel:</I>  Zwecks     Sulfonierung    wird der Farbstoff  der Formel:  
EMI0001.0010     
    mit der fünffachen Menge     32%igen        Oleums     mehrere Stunden auf<B>80'</B> erhitzt, bis sich  eine Probe in verdünnter     Natriumacetat-          lösung    ohne Rückstand löst.

   Die Aufarbei  tung und Überführung in das     Natriumsalz     erfolgt in üblicher Weise. Der Farbstoff ent  hält zwei     Sulfogruppen    im Molekül. Er löst  sich in konzentrierter Schwefelsäure grün, in  Wasser blau und färbt Wolle in blauen       Tönen    von guter Licht- und     Alkaliechtheit     und gutem     Egalisierungsvermögen.  



  <B> Additional patent </B> to main patent no. 189649. Process for the production of an acidic wool dye. The subject of the present patent is a process for the preparation of an acidic wool dye, which is characterized in that the dye of the formula:
EMI0001.0003
    With. treated with a sulfonating agent.

    The new dye, which contains two sulfo groups in the molecule, dissolves green in concentrated sulfuric acid, blue in water and dyes wool in blue shades of good lightfastness and alkali fastness and good leveling properties. <I> Example: </I> For the purpose of sulfonation, the dye of the formula:
EMI0001.0010
    heated to <B> 80 '</B> for several hours with five times the amount of 32% oleum until a sample dissolves in dilute sodium acetate solution without residue.

   The processing and conversion into the sodium salt is carried out in the usual way. The dye contains two sulfo groups in the molecule. It dissolves green in concentrated sulfuric acid, blue in water and dyes wool in blue shades of good lightfastness and alkali fastness and good leveling power.

Claims (1)

PATENTANSPRUCH: Verfahren zur Herstellung eines sauren )Vollfarbstoffes, dadurch gekennzeichnet, dass man den Farbstoff der Formel: EMI0002.0002 mit einem sulfonierenden Mittel behandelt. Der neue Farbstoff, der zwei Sulfogrup- pen im Molekül enthält, löst sich in konzen trierter Schwefelsäure grün, in Wasser blau und färbt Wolle in blauen Tönen von guter Licht- und Alkaliechtheit und gutem Egali- sierungsvermögen. PATENT CLAIM: Process for the preparation of an acidic full dye, characterized in that the dye of the formula: EMI0002.0002 treated with a sulfonating agent. The new dye, which contains two sulfo groups in the molecule, dissolves green in concentrated sulfuric acid, blue in water and dyes wool in blue shades of good lightfastness and alkali fastness and good leveling properties.
CH193254D 1936-04-11 1936-04-11 Process for the production of an acidic wool dye. CH193254A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH189649T 1936-04-11
CH193254T 1936-04-11

Publications (1)

Publication Number Publication Date
CH193254A true CH193254A (en) 1937-09-30

Family

ID=25721834

Family Applications (1)

Application Number Title Priority Date Filing Date
CH193254D CH193254A (en) 1936-04-11 1936-04-11 Process for the production of an acidic wool dye.

Country Status (1)

Country Link
CH (1) CH193254A (en)

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