CH200254A - Process for the production of a water-insoluble azo dye for dyeing and printing cellulose esters and ethers. - Google Patents

Process for the production of a water-insoluble azo dye for dyeing and printing cellulose esters and ethers.

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Publication number
CH200254A
CH200254A CH200254DA CH200254A CH 200254 A CH200254 A CH 200254A CH 200254D A CH200254D A CH 200254DA CH 200254 A CH200254 A CH 200254A
Authority
CH
Switzerland
Prior art keywords
dyeing
ethers
production
water
cellulose esters
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 CH200254A publication Critical patent/CH200254A/en

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Description

  

  Verfahren zur Herstellung eines wasserunlöslichen     Azofarbstoffes    zum Färben       und    Drucken von     Zelluloseestern    und     -äthern.       Vorliegendes Patent bezieht sich auf ein  Verfahren zur Herstellung     eines    wasserunlös  lichen     Azofarbstoffes    zum Färben und     Druk-          ken    von     Zelluloseestern    und     -äthern,    dadurch  gekennzeichnet,

       @dass    man     diazotiertes        4-Meth-          oxy-3-aminoaeetophenon    in     essigsaurer    Lö  sung mit     Diäthylanilin    kuppelt.  



  Der so erhaltene     Farbstoff    färbt     Aeetat-          seide    nach Zusatz eines geeigneten     Disper-          giermittels    in     rotstichig    ;gelben Farbtönen  von     guter        Lichtechtheit,    ausgezeichneter       Weissätzbarkeit    und insbesondere sehr guter  Wasch- und     .Schweissechtheit.       <I>Beispiel:

  </I>    165 Teile     4-Methoxy-3-aminoacetophenon     werden in der üblichen Weise     diazotiert    und  in essigsaurer Lösung mit<B>150</B> Teilen     Di-          äthylanilin    gekuppelt. Der     gebildete    Farb-         stoff    wird dann abgesaugt,     gewaschen    und  getrocknet.



  Process for the production of a water-insoluble azo dye for dyeing and printing cellulose esters and ethers. The present patent relates to a process for the production of a water-insoluble azo dye for dyeing and printing cellulose esters and ethers, characterized in that

       @that diazotized 4-methoxy-3-aminoaeetophenone is coupled with diethylaniline in acetic acid solution.



  The dye thus obtained dyes acetate silk, after the addition of a suitable dispersant, in reddish-tinged yellow shades of good lightfastness, excellent white etchability and, in particular, very good fastness to washing and perspiration. <I> example:

  165 parts of 4-methoxy-3-aminoacetophenone are diazotized in the usual way and coupled with 150 parts of diethylaniline in acetic acid solution. The dye formed is then filtered off with suction, washed and dried.

Claims (1)

PATENTANSPRUCH: Verfahren zur Herstellung eines wasser- unlöslichen Azofarbstoffes zum Färben und Drucken von Zelluloseestern und -äthern,da- durch gekennzeichnet, dass man diazotiertes 4-Methoxy-3-aminoacetophenon in essigsaurer Lösung mit Diäthylanilin kuppelt. Claim: Process for the production of a water-insoluble azo dye for dyeing and printing cellulose esters and ethers, characterized in that diazotized 4-methoxy-3-aminoacetophenone in acetic acid solution is coupled with diethylaniline. Der so erhaltene Farbstoff färbt Acetat seide nach Zusatz eines geeigneten Dieper- giermittels in rotstichig gelben Farbtönen von guter Lichtechtheit, ausgezeichneter Weissätzbarkeit und insbesondere sehr guter Wasch- und Schweissechtheit. The dye obtained in this way dyes acetate silk, after the addition of a suitable dying agent, in reddish yellow shades of good lightfastness, excellent white etchability and in particular very good fastness to washing and perspiration.
CH200254D 1937-05-03 1937-05-03 Process for the production of a water-insoluble azo dye for dyeing and printing cellulose esters and ethers. CH200254A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH197283T 1937-05-03
DE327712X 1953-03-19
DE200254X 1954-02-20

Publications (1)

Publication Number Publication Date
CH200254A true CH200254A (en) 1938-09-30

Family

ID=27177842

Family Applications (1)

Application Number Title Priority Date Filing Date
CH200254D CH200254A (en) 1937-05-03 1937-05-03 Process for the production of a water-insoluble azo dye for dyeing and printing cellulose esters and ethers.

Country Status (1)

Country Link
CH (1) CH200254A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5037968A (en) * 1987-03-13 1991-08-06 Willi Moller Adducts of an anion of an oxa acid and a keto compound, process for the preparation of said adducts, and process for the determination of the concentration of the anions of oxa acids using said keto compounds

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5037968A (en) * 1987-03-13 1991-08-06 Willi Moller Adducts of an anion of an oxa acid and a keto compound, process for the preparation of said adducts, and process for the determination of the concentration of the anions of oxa acids using said keto compounds

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