CH200538A - Process for the production of a vat dye. - Google Patents

Process for the production of a vat dye.

Info

Publication number
CH200538A
CH200538A CH200538DA CH200538A CH 200538 A CH200538 A CH 200538A CH 200538D A CH200538D A CH 200538DA CH 200538 A CH200538 A CH 200538A
Authority
CH
Switzerland
Prior art keywords
production
formula
vat dye
dye
vat
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 CH200538A publication Critical patent/CH200538A/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
    • C09B5/00—Dyes with an anthracene nucleus condensed with one or more heterocyclic rings with or without carbocyclic rings
    • C09B5/24—Dyes with an anthracene nucleus condensed with one or more heterocyclic rings with or without carbocyclic rings the heterocyclic rings being only condensed with an anthraquinone nucleus in 1-2 or 2-3 position
    • C09B5/34—Anthraquinone acridones or thioxanthrones
    • C09B5/40—Condensation products of benzanthronyl-amino-anthraquinones

Landscapes

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

Description

  

  <B>Zusatzpatent</B> zum Hauptpatent Nr. 195331.    Verfahren zur Herstellung eines     Küpenfarbstoffes.       Vorliegendes Patent bezieht sich auf ein  Verfahren zur Herstellung eines     Küpenfarb-          stoffes,    dadurch gekennzeichnet, dass man  das Kondensationsprodukt der Formel:  
EMI0001.0004     
    mit     Dibromanthanthron    der Formel:  
EMI0001.0006     
    im     Molekularverhältnis    2 : 1 kondensiert.  Der so erhaltene Farbstoff löst sich in    konzentrierter Schwefelsäure mit     grünerFarbe     und färbt Baumwolle aus violetter     güpe    in  wertvollen, blaustichig grauen Tönen.  



  <I>Beispiel:</I>  78 Teile des Kondensationsproduktes der  Formel:  
EMI0001.0010     
    und 23 Teile     Dibromanthanthron    der Formel  
EMI0001.0012     
      werden bei Anwesenheit von 15 Teilen     Na-          triumcarbonat    und 15 Teilen     Natriumacetat,     sowie von 3 Teilen     Kupferehlorür-    in fein  verteilter Form durch     24stündiges    Kocher)  in Nitrobenzol kondensiert. Das Kondensa  tionsprodukt wird noch heiss abgesaugt, ge  waschen und durch Ausblasen mit Wasser  dampf und Auskochen mit Salzsäure gereinigt.



  <B> Additional patent </B> to main patent no. 195331. Process for the production of a vat dye. The present patent relates to a process for the production of a vat dye, characterized in that the condensation product of the formula:
EMI0001.0004
    with dibromoanthanthrone of the formula:
EMI0001.0006
    condensed in a molecular ratio of 2: 1. The dye obtained in this way dissolves in concentrated sulfuric acid with a green color and dyes cotton of a violet type in valuable, bluish gray tones.



  <I> Example: </I> 78 parts of the condensation product of the formula:
EMI0001.0010
    and 23 parts of dibromoanthanthrone of the formula
EMI0001.0012
      are condensed in the presence of 15 parts of sodium carbonate and 15 parts of sodium acetate and 3 parts of copper chloride in finely divided form by a 24-hour cooker) in nitrobenzene. The condensation product is suctioned off while still hot, washed and cleaned by blowing it out with steam and boiling it with hydrochloric acid.

Claims (1)

PATENTANSPRUCH: Verfahren zur Herstellung eines Küpen- farbatoffes, dadurch gekennzeichnet, dass man das Kondensationsprodukt der Formel: EMI0002.0009 mit Dibromanthanthron der Formel: EMI0002.0011 im Molekularverhältnis 2: 1 kondensiert. Der so erhaltene Farbstoff löst sich in konzentrierter Schwefelsäure mit grüner Farbe und färbt Baumwolle aus violetter Küpe in wertvollen, blaustichig grauen Tönen. PATENT CLAIM: Process for the production of a vat dye, characterized in that the condensation product of the formula: EMI0002.0009 with dibromoanthanthrone of the formula: EMI0002.0011 condensed in a molecular ratio of 2: 1. The dye thus obtained dissolves in concentrated sulfuric acid with a green color and dyes cotton from a violet vat in valuable, bluish gray tones.
CH200538D 1935-11-28 1936-11-23 Process for the production of a vat dye. CH200538A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200538X 1935-11-28
CH195331T 1936-11-23

Publications (1)

Publication Number Publication Date
CH200538A true CH200538A (en) 1938-10-15

Family

ID=25722747

Family Applications (1)

Application Number Title Priority Date Filing Date
CH200538D CH200538A (en) 1935-11-28 1936-11-23 Process for the production of a vat dye.

Country Status (1)

Country Link
CH (1) CH200538A (en)

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