CH229354A - Process for the preparation of a direct drawing copper-containing dye. - Google Patents

Process for the preparation of a direct drawing copper-containing dye.

Info

Publication number
CH229354A
CH229354A CH229354DA CH229354A CH 229354 A CH229354 A CH 229354A CH 229354D A CH229354D A CH 229354DA CH 229354 A CH229354 A CH 229354A
Authority
CH
Switzerland
Prior art keywords
dye
preparation
copper
containing dye
direct drawing
Prior art date
Application number
Other languages
German (de)
Inventor
Ag J R Geigy
Original Assignee
Ag J R Geigy
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 Ag J R Geigy filed Critical Ag J R Geigy
Publication of CH229354A publication Critical patent/CH229354A/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
    • C09B56/00—Azo dyes containing other chromophoric systems
    • C09B56/04—Stilbene-azo dyes

Landscapes

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

Description

  

      Zusatzpatent    zum Hauptpatent Nr.     22"0365.       Verfahren zur Darstellung eines direkt ziehenden kupferhaltigen     Farbstoffes.       Gegenstand des vorliegenden Zusatzpaten  tes ist ein Verfahren zur Darstellung eines  kupferhaltigen Farbstoffes, dadurch :gekenn-  
EMI0001.0004     
    kondensiert und das Kondensationsprodukt  noch mit kupferabgebenden Mitteln behan  delt.  



  Der neue Farbstoff stellt ein fasst  schwarzes Pulver dar; er löst sich in Wasser  mit brauner, in konzentrierter Schwefelsäure  mit blauer Farbe und färbt     Zellulosefasern     in sehr lichtechten tiefbraunen Tönen. Durch  Nachbehandeln des Farbstoffes mit oxydie  renden Mitteln, wie     Hypochloriten,    kann die  Reinheit des Farbtones noch gesteigert wer  den.  



  <I>Beispiel:</I>  63 Teile des     Triazols,    erhalten durch Oxy  dation des Kupplungsproduktes aus diazotier-    zeichnet, dass man den durch Kupplung von       diazotiertem        2-Amino-l-ogy-4-chlorbenzol    mit       m-Anisidin    erhaltenen     Aminoazofarbstoff     mit einem     Triazol    der Formel         ter        4-Nitro-4'-amino-stilben-2,2'-disulfonsäure     und     2-Naphthylamin-6-sulfonsäure,

      und 22  Teile des     Aminoazofarbstoffes    aus     1-Oxy-2-          diazo-4-chlorbenzol    und     m-Anisidin    werden  mit 900 Teilen Wasser und 300 Teilen Na  tronlauge 36      B6    kondensiert     und    in die  Kupferverbindung übergeführt.



      Additional patent to main patent No. 22 "0365. Process for the preparation of a direct drawing copper-containing dye. The subject of the present additional patent is a process for the preparation of a copper-containing dye, thereby:
EMI0001.0004
    condensed and the condensation product still treated with copper releasing agents.



  The new dye is a solid black powder; it dissolves in water with brown color, in concentrated sulfuric acid with blue color and dyes cellulose fibers in very lightfast deep brown tones. By treating the dye with oxidizing agents such as hypochlorites, the purity of the hue can be increased.



  <I> Example: </I> 63 parts of the triazole, obtained by oxidation of the coupling product from diazotizing records that the aminoazo dye obtained by coupling diazotized 2-amino-1-ogy-4-chlorobenzene with m-anisidine is also used a triazole of the formula ter 4-nitro-4'-amino-stilbene-2,2'-disulfonic acid and 2-naphthylamine-6-sulfonic acid,

      and 22 parts of the aminoazo dye from 1-oxy-2-diazo-4-chlorobenzene and m-anisidine are condensed with 900 parts of water and 300 parts of sodium hydroxide solution 36 B6 and converted into the copper compound.

Claims (1)

PATENTANSPRUCH: Verfahren zur Darstellung eines kupfer haltigen Farbstoffes, dadurch gekennzeich net, dass man den durch Kupplung von diazotiertem 2-Amino-l-ogy-4-chlorbenzol mit m-Anisidin erhaltenen Aminoazofarbstoff mit einem Triazol der Formel EMI0002.0001 kondensiert und das Kondensationsprodukt noch mit kupferabgebenden Mitteln behan delt. Der neue Farbstoff stellt ein fast schwarzes Pulver dar; er löst sich in Wasser mit brauner, in konzentrierter Schwefelsäure mit blauer Farbe und färbt Zellulosefasern in sehr lichtechten tiefbraunen Tönen. Claim: Process for the preparation of a copper-containing dye, characterized in that the aminoazo dye obtained by coupling diazotized 2-amino-1-ogy-4-chlorobenzene with m-anisidine is mixed with a triazole of the formula EMI0002.0001 condensed and the condensation product still treated with copper releasing agents. The new dye is an almost black powder; it dissolves in water with brown color, in concentrated sulfuric acid with blue color and dyes cellulose fibers in very lightfast deep brown tones. UNTERANSPRUCH: Verfahren nach Patentanspruch, dadurch gekennzeichnet, dass der Farbstoff zur Reini gung einer Behandlung mit oxydierenden Mitteln unterworfen wird. SUBCLAIM: Method according to claim, characterized in that the dye is subjected to a treatment with oxidizing agents for cleaning.
CH229354D 1941-11-05 1941-11-06 Process for the preparation of a direct drawing copper-containing dye. CH229354A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH2394998X 1941-11-05
CH229354T 1941-11-06
CH561117X 1941-11-06

Publications (1)

Publication Number Publication Date
CH229354A true CH229354A (en) 1943-10-15

Family

ID=32110424

Family Applications (1)

Application Number Title Priority Date Filing Date
CH229354D CH229354A (en) 1941-11-05 1941-11-06 Process for the preparation of a direct drawing copper-containing dye.

Country Status (1)

Country Link
CH (1) CH229354A (en)

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