CH88104A - Process for the preparation of a substantive o-oxyazo dye. - Google Patents

Process for the preparation of a substantive o-oxyazo dye.

Info

Publication number
CH88104A
CH88104A CH88104DA CH88104A CH 88104 A CH88104 A CH 88104A CH 88104D A CH88104D A CH 88104DA CH 88104 A CH88104 A CH 88104A
Authority
CH
Switzerland
Prior art keywords
dye
oxyazo
sulfonic acid
substantive
alkali
Prior art date
Application number
Other languages
German (de)
Inventor
Gesellschaft Fuer Chemis Basel
Original Assignee
Chem Ind Basel
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 Chem Ind Basel filed Critical Chem Ind Basel
Publication of CH88104A publication Critical patent/CH88104A/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
    • C09B33/00—Disazo and polyazo dyes of the types A->K<-B, A->B->K<-C, or the like, prepared by diazotising and coupling
    • C09B33/02—Disazo dyes
    • C09B33/04—Disazo dyes in which the coupling component is a dihydroxy or polyhydroxy compound
    • C09B33/056—Disazo dyes in which the coupling component is a dihydroxy or polyhydroxy compound the coupling component being a bis-(naphthol-urea)
    • 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
    • C09B45/00—Complex metal compounds of azo dyes
    • C09B45/02—Preparation from dyes containing in o-position a hydroxy group and in o'-position hydroxy, alkoxy, carboxyl, amino or keto groups
    • C09B45/14—Monoazo compounds
    • C09B45/18—Monoazo compounds containing copper

Landscapes

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

Description

  

      verfahren    zur Herstellung eines direktziehenden     o-Ogyazofarbstoffes.       Es wurde gefunden, dass     durch    Kuppeln  von     diazotiertem        2-Amino-li-clilor-i-o_xyben-          zol-5-sulfosäure    mit. dem Harnstoffe der     2-          Amino-5-oxynaphtalin-7-sulfosäure    ein di  rektziehender     o-Oxyazofarbstoff    erhalten  wird, welcher Baumwolle in     licht-    und       alkaliempfindlichen    gelbrosa Tönen anfärbt.

    Durch Nachkupfern oder noch besser durch  Färben in der für direktziehende Farbstoffe  üblichen Weise unter Zusatz von Kupfer  verbindungen zum Bade werden hervor  ragend licht- und     alkaliechte        violettrote     Töne erhalten.  



  <I>Beispiel:</I>  44,6 kg     2-Aniino-4-chlor-l-oxybenzol-5-          sulfosäure    werden in die     Diazoverbindung     übergeführt und diese in eine Lösung von  50,4 kg Harnstoff der     2-Amino-5-oxynaphta-          lin-7-sulfosäure    und 50 kg Soda einfliessen    gelassen. Nach 1.2 Stunden     wird    der Farb  stoff     ausgesalzen,    filtriert und     getrocknet.  



      process for the production of a substantive o-ogyazo dye. It was found that by coupling diazotized 2-amino-li-clilor-i-o_xybenzene-5-sulfonic acid with. the urea of 2-amino-5-oxynaphthalene-7-sulfonic acid, a direct o-oxyazo dye is obtained, which dyes cotton in light- and alkali-sensitive yellow-pink shades.

    By re-coppering or, even better, by dyeing in the manner customary for direct dyes with the addition of copper compounds to the bath, excellent light- and alkali-fast violet-red tones are obtained.



  <I> Example: </I> 44.6 kg of 2-aniino-4-chloro-1-oxybenzene-5-sulfonic acid are converted into the diazo compound and this is converted into a solution of 50.4 kg of urea of the 2-amino-5 -oxynaphthalene-7-sulfonic acid and 50 kg of soda let flow. After 1.2 hours, the dye is salted out, filtered and dried.

Claims (1)

<B>PATENTANSPRUCH</B> Vei fahren zur Herstellung eines direkt ziehenden o-0xyazofarbstoffes, dadurch ge- kennzeichnet, class diazotierte 2-Amiiio-4- clilor-i-oxylienzol-5-sulfosäure mit dem Harn stoffe der 2-Ariiino-5-oxynaplitalin-'7-sulfo- säure kombiniert wird. <B> PATENT CLAIM </B> Vei drive for the production of a direct drawing o-oxyazo dye, characterized in that class diazotized 2-amino-4-clilor-i-oxylienzol-5-sulfonic acid with the urea of the 2-aryino- 5-oxynaplitalin-'7-sulfonic acid is combined. Der erhaltene Oxy- azofarbstoff färbt direkt Baumwolle in licht- und alkaliempfindlichen gelbrosa Tönen. Durch Nachkupfern oder besser durch Fär ben in der für direktziehende Farbstoffe fiblichen Meise unter Zusatz von Kupfer- verbindungen zum Bade werden hervor ragend licht- und alkaliechte blaurote Töne erhalten. The oxyazo dye obtained directly dyes cotton in light- and alkali-sensitive yellow-pink shades. By re-coppering or, better, by dyeing in the tit, which is fibrous for direct dyes, with the addition of copper compounds to the bath, excellent light- and alkali-fast blue-red tones are obtained.
CH88104D 1915-12-30 1915-12-30 Process for the preparation of a substantive o-oxyazo dye. CH88104A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH88104T 1915-12-30
CH86850T 1919-05-01

Publications (1)

Publication Number Publication Date
CH88104A true CH88104A (en) 1921-02-16

Family

ID=25703624

Family Applications (1)

Application Number Title Priority Date Filing Date
CH88104D CH88104A (en) 1915-12-30 1915-12-30 Process for the preparation of a substantive o-oxyazo dye.

Country Status (1)

Country Link
CH (1) CH88104A (en)

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