CH128917A - Process for the preparation of the copper compound of a substantive azo dye. - Google Patents

Process for the preparation of the copper compound of a substantive azo dye.

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Publication number
CH128917A
CH128917A CH128917DA CH128917A CH 128917 A CH128917 A CH 128917A CH 128917D A CH128917D A CH 128917DA CH 128917 A CH128917 A CH 128917A
Authority
CH
Switzerland
Prior art keywords
azo dye
preparation
copper
copper compound
dye
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 CH128917A publication Critical patent/CH128917A/en

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Description

  

  Verfahren zur Darstellung der Kupferverbindung eines Substantiven     Azofarbstoffes.       Es wurde gefunden, dass der Substantive       Azofarbstoff,    wie er aus zwei     Molekülen    der       Diazoverbindung    aus     2-Amino-l-oxybenzol-          glykoläther    und einem Molekül 5 .     5'-Dioxy-          2.    2'-     dinaphtylamin-    7 . 7'-     disulfosäure    er  halten werden kann, in eine Kupferverbin  dung übergeführt wird, wenn man auf den  selben ein kupferabgebendes Mittel ein  wirken lässt.

   Der     erhaltene    kupferhaltige  Farbstoff zieht auf die pflanzliche Faser  in licht-,     alkali-    und bügelechten rot  violetten Tönen von bemerkenswerter Klar  heit.  



  <I>Beispiel</I>  833 Gewichtsteile des     Azofarbstoffes    aus  2 Molekülen     2-Amino-l-oxybenzolglykol-          äther     
EMI0001.0016     
    und 1 Molekül     5.5'-Dioxy-2.2'-dinaphtyl-          amin-7    .     7'-disulfoäure    werden in 26,000     Vo-          lumteilen    Wasser gelöst, mit Essigsäure  deutlich sauer gemacht und bei<B>80'</B> mit    250 Gewichtsteilen kristallisiertem Kupfer  sulfat versetzt.

   Unter Rühren wird zwei  Stunden auf 80       erwärmt,    die Ausscheidung  der     Farbstoffsäure    eventuell durch Kochsalz       vervollständigt,        abgepresst    und getrocknet.  Der Farbstoff zieht aus dem     Glaubersalz-          Sodabad    in licht,     alkali-    und bügelechten  rotvioletten Tönen von bemerkenswerter  Klarheit.



  Process for the preparation of the copper compound of a noun azo dye. It was found that the noun azo dye, as it is composed of two molecules of the diazo compound from 2-amino-1-oxybenzene glycol ether and a molecule 5. 5'-dioxy-2.2'-dinaphthylamine-7. 7'-disulfonic acid can be obtained, is converted into a copper compound if a copper-releasing agent is allowed to act on the same.

   The copper-containing dye obtained draws onto the vegetable fibers in light, alkali and iron-fast red-violet tones of remarkable clarity.



  <I> Example </I> 833 parts by weight of the azo dye from 2 molecules of 2-amino-1-oxybenzene glycol ether
EMI0001.0016
    and 1 molecule of 5.5'-dioxy-2.2'-dinaphthylamine-7. 7'-disulfoic acid is dissolved in 26,000 parts by volume of water, made significantly acidic with acetic acid and, at <B> 80 '</B>, 250 parts by weight of crystallized copper sulfate are added.

   The mixture is heated to 80 for two hours with stirring, the precipitation of the dye acid is possibly completed with sodium chloride, pressed off and dried. The dye draws from the Glauber's salt soda bath in light, alkali and iron-fast red-violet tones of remarkable clarity.

 

Claims (1)

PATENTANSPRUCH: Verfahren zur Darstellung der Kupfer verbindung eines substantiven Azofarbstof- fes, dadurch gekennzeichnet, dass man den aus zwei Molekülen der Diazoverbindung aus 2-Amino-l-oxybenzolglykoläther und einem Molekül 5.5'-Dioxy-2.2'-dinaphtyl- amin - 7. PATENT CLAIM: Process for the preparation of the copper compound of a substantive azo dye, characterized in that the two molecules of the diazo compound from 2-amino-1-oxybenzene glycol ether and one molecule of 5.5'-dioxy-2.2'-dinaphthylamine - 7. T- disulfosäure erhältlichen Sub stantiven Azofarbstoff und ein kupfer abgebendes Mittel aufeinander einwirken lässt. Der erhaltene kupferhaltige Farb stoff zieht auf die pflanzliche Faser in licht-, alkali- und bügelechten rotvioletten Tönen von bemerkenswerter Klarheit. T-disulfonic acid available sub stantive azo dye and a copper releasing agent can act on each other. The resulting copper-containing dye draws onto the vegetable fibers in light-, alkali- and iron-fast red-violet tones of remarkable clarity.
CH128917D 1926-04-19 1927-03-29 Process for the preparation of the copper compound of a substantive azo dye. CH128917A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE128917X 1926-04-19
CH128005T 1927-03-29

Publications (1)

Publication Number Publication Date
CH128917A true CH128917A (en) 1928-11-16

Family

ID=25711006

Family Applications (1)

Application Number Title Priority Date Filing Date
CH128917D CH128917A (en) 1926-04-19 1927-03-29 Process for the preparation of the copper compound of a substantive azo dye.

Country Status (1)

Country Link
CH (1) CH128917A (en)

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