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CH193249A - Process for the production of an acidic wool dye. - Google Patents

Process for the production of an acidic wool dye.

Info

Publication number
CH193249A
CH193249A CH193249DA CH193249A CH 193249 A CH193249 A CH 193249A CH 193249D A CH193249D A CH 193249DA CH 193249 A CH193249 A CH 193249A
Authority
CH
Switzerland
Prior art keywords
dye
production
acidic
wool dye
good
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 CH193249A publication Critical patent/CH193249A/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     zurHerstellung    einessaurenWoll-         farbstoffes,    das dadurch     gekennzeichnet    ist,  dass man den Farbstoff der Formel  
EMI0001.0006     
    mit einem     sulfonierenden        Mittel    behandelt.

    Der neue Farbstoff, der zwei     iSulfogrup-          pen    im     Molekül    enthält, färbt Wolle in kla-         ren    grünstickig blauen Tönen von guter  Licht- und     Alkaliechtheit    und gutem     Egali-          sierungsvermögen.         Zwecks     Sulfonierung    wird der Farbstoff der Formel  
EMI0002.0002     
    mit der fünffachen Menge 32 %     igen        Oleums     mehrere     Stunden    auf 80   erhitzt,

   bis eine  Probe sich 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. Es färbt  Wolle in klaren grünstickig blauen Tönen    von guter     laicht-    und     Alkaliechtheit    und gu  tem     Egalisierungsvermögen.  



  <B> Additional patent </B> to main patent No. 189649. Process for the production of an acidic wool dye. The present patent is a process for the preparation of an acidic wool dye, which is characterized in that the dye of the formula
EMI0001.0006
    treated with a sulfonating agent.

    The new dye, which contains two isulpho groups in the molecule, dyes wool in clear greenish blue tones with good lightfastness and alkali fastness and good leveling properties. For the purpose of sulfonation, the dye of the formula
EMI0002.0002
    heated to 80 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 dyes wool in clear greenish blue tones with good spawning and alkali fastness and good leveling properties.

Claims (1)

<B>PATENTANSPRUCH:</B> Verfahren zur Herstellung eines sauren Wollfarbstoffes, dadurch gekennzeichnet, dass man den Farbstoff der Formel EMI0002.0013 mit einem sulfonierenden Mittel behandelt. Der neue Farbs.taff, der zwei Sulfogrup- pen im Molekül enthält, färbt Wolle in kla ren grünstickig blauen Tönen von guter laicht- und Alkaliechtheit und gutem Egali- sierungsvermögen. <B> PATENT CLAIM: </B> Process for the preparation of an acidic wool dye, characterized in that the dye of the formula EMI0002.0013 treated with a sulfonating agent. The new Farbs.taff, which contains two sulfo groups in the molecule, dyes wool in clear greenish blue tones with good spawning and alkali fastness and good leveling properties.
CH193249D 1936-04-11 1936-04-11 Process for the production of an acidic wool dye. CH193249A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH189649T 1936-04-11
CH193249T 1936-04-11

Publications (1)

Publication Number Publication Date
CH193249A true CH193249A (en) 1937-09-30

Family

ID=25721829

Family Applications (1)

Application Number Title Priority Date Filing Date
CH193249D CH193249A (en) 1936-04-11 1936-04-11 Process for the production of an acidic wool dye.

Country Status (1)

Country Link
CH (1) CH193249A (en)

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