CH203024A - Process for the preparation of an acidic wool dye. - Google Patents

Process for the preparation of an acidic wool dye.

Info

Publication number
CH203024A
CH203024A CH203024DA CH203024A CH 203024 A CH203024 A CH 203024A CH 203024D A CH203024D A CH 203024DA CH 203024 A CH203024 A CH 203024A
Authority
CH
Switzerland
Prior art keywords
preparation
dye
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 CH203024A publication Critical patent/CH203024A/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
    • C09B29/00—Monoazo dyes prepared by diazotising and coupling
    • C09B29/24—Monoazo dyes prepared by diazotising and coupling from coupling components containing both hydroxyl and amino directing groups
    • C09B29/28—Amino naphthols
    • C09B29/30—Amino naphtholsulfonic acid

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Description

  

  Verfahren zur Darstellung eines sauren     Wollfarbstoffes.       Vorliegendes     Patent    bezieht sich auf ein  Verfahren zur     Darstellung    eines sauren     Woll-          farbstoffes,    dadurch gekennzeichnet,     dass    man  .die     Diazoverbindung        des.3-Aminohe$ahydro-          diphenyl    - 4 -     benzyläthers    mit I - ( 2' -     Chlor        -          phenogyacetylamino)-.8-naphthol-4.        6-,

  disulfo-          säure    in     alkalisohem        Medium    kuppelt.  



  Der so     gebildete        Farbstoff    ist ein rotes  wasserlösliches Pulver und färbt Wolle in       leuchtenden    Rottönen von sehr guter     Wasch-:          Schweiss-    und     Lichtechtheit.       <I>Beispiel:

  </I>       2,8,1    Teile     3-Aminohegahydrodiphenyl-4-          benzyläther    werden     -diazotiert.    Die     erhaltene          Diazolösung    lässt man in eine -mit     übexsehüs-          siger    Soda     versetzte    Lösung von 49 Teilen       1-('2'-Chlorph#enogyaeetylamino)    - 8 -naphthol-         4.6-dieulfosäüre    laufen. Nach beendeter  Kupplung wird der Farbstoff abgeschieden  und getrocknet.



  Process for the preparation of an acidic wool dye. The present patent relates to a process for the preparation of an acidic wool dye, characterized in that .the diazo compound of 3-aminohe $ ahydrodiphenyl - 4 - benzyl ether with I - (2 '- chloro - phenogyacetylamino) -. 8 -naphthol-4. 6-,

  disulfonic acid in a medium with low alkaline conditions.



  The dye thus formed is a red, water-soluble powder and dyes wool in bright red tones with very good wash, perspiration and lightfastness. <I> example:

  2.8.1 parts of 3-aminohegahydrodiphenyl-4-benzyl ether are -diazotized. The diazo solution obtained is allowed to run into a solution of 49 parts of 1- ('2'-chlorophore-enogyaeetylamino) -8-naphthol-4,6-dieulfonic acid mixed with excess soda. When the coupling is complete, the dye is deposited and dried.

Claims (1)

PATENTANSPRUCH: Verfahren zur Darstellung eines sauren Wollfarbstoffes, dadurch gekennzeichnet, dass man die Diazoverbindung des 3-Amino- hegahydrodiphenyl-4-benzyläthers mit I-(2'- Chlorphenogyacetylamino) - 8 - naphthol- 4. 6 - disuNosäure in alkalischem Medium kuppelt. PATENT CLAIM: Process for the preparation of an acidic wool dye, characterized in that the diazo compound of 3-amino-hegahydrodiphenyl-4-benzyl ether is coupled with I- (2'-chlorophenogyacetylamino) -8-naphthol-4. 6-disuNo acid in an alkaline medium. Der so gebildete Farbstoff ist ein rotes wasserlösliches Pulver und färbt Wolle in leuchtenden Rottönen von sehr guter Wasch-, Sehweiss- und Lichtechtheit. The dye formed in this way is a red, water-soluble powder and dyes wool in bright red tones with very good wash, white and lightfastness.
CH203024D 1936-07-29 1937-07-02 Process for the preparation of an acidic wool dye. CH203024A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE203024X 1936-07-29
CH198143T 1937-11-29

Publications (1)

Publication Number Publication Date
CH203024A true CH203024A (en) 1939-02-15

Family

ID=25723081

Family Applications (1)

Application Number Title Priority Date Filing Date
CH203024D CH203024A (en) 1936-07-29 1937-07-02 Process for the preparation of an acidic wool dye.

Country Status (1)

Country Link
CH (1) CH203024A (en)

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