CH205817A - Process for the production of a new, metal-containing stain dye. - Google Patents
Process for the production of a new, metal-containing stain dye.Info
- Publication number
- CH205817A CH205817A CH205817DA CH205817A CH 205817 A CH205817 A CH 205817A CH 205817D A CH205817D A CH 205817DA CH 205817 A CH205817 A CH 205817A
- Authority
- CH
- Switzerland
- Prior art keywords
- acid
- new
- amino
- chromium
- dye
- Prior art date
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
- C09B33/18—Trisazo or higher polyazo dyes
- C09B33/22—Trisazo dyes of the type A->B->K<-C
-
- 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
- C09B45/24—Disazo or polyazo compounds
- C09B45/26—Disazo or polyazo compounds containing chromium
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Coloring (AREA)
Description
Zusatzpatent zum Hauptpatent Nr. 202856. Verfahren zur Herstellung eines neuen, metallhaltigen Beizenfarbstoffes. Es wurde gefunden, dass man einen neuen, chromhaltigen Beizenfarbstoff erhält, wenn man ein Molekül 2-Amino-5-oxynaphthalin- 7-sulfonsäure zuerst in schwach saurem Me dium mit einem Molekül diazotierter 3- Amino-4'-oxy-1. :.' 1'-azobenzol-:
3,'-carbonsäure- 4-sulfonsäure und nachher in schwach alkali schem Medium mit einem Molekül :diazotier- ter 2-Amino:-l-oxybenzol-:6-carbonsäure-4-sul- fonsäure kuppelt und den erhaltenen Trisazo- farbstoff mit einer chromabgebenden Sub stanz behandelt.
<I>Beispiel:</I> 33,7 Teile 3--Amino-4'-oxy-1.:1'-azaben- zol-d'-carbons@äure-4-sulfon,säure werden nach dem aus der schweizerischen Patentschrift Nr. 1750:2i9 bekannten Verfahren diazotiert und in essigsaurer Lösung mit<B>23,9</B> Teilen 2-Amino-5-oxynaphthalin-7-sulfons:äure ge kuppelt.
Der erhaltene Disazofarbsto:ff wird in alkalischer Lösung mit der Diazoverbin- dung aus 2:3,.3 Teilen 2.-Amino-1.-:oxy-benzo:l- 6-carbonsäure-4-aulfonsäure gekuppelt.
Nach beendeter Kupplung wird der erhaltene Tris- azofarbsto:ff ausgesalzen, abg enutscht, in 2000 Teilen kochendem Wasser gelöst und die Lösung unter Zusatz einer Chromaoetat- lösung entsprechend 3:0,4 Teilen Cr20, wäh rend 1.5 Stunden unter Rückfluss gekocht.
Die neue Chromverbindung wird durch Eindamp fen der Lösung in fester Form gewonnen.
Der neue, chromhaltige Farbstoff bildet, wenn getrocknet, ein. dunkelbraunes Pulver, löst sieb, in. Wasser mit brauner, in konzen trierter .Schwefelsäure mit gelbbrauner Farbe und liefert im Chromdruck auf Baumwolle, Kunstseide aus regenerierter Zellulose oder auf Naturseide tiefe, dunkle Brauntöne, die sich durch gute Echtheiten auszeichnen.
Additional patent to main patent no. 202856. Process for the production of a new, metal-containing stain dye. It has been found that a new, chromium-containing mordant dye is obtained if a molecule of 2-amino-5-oxynaphthalene-7-sulfonic acid is first in weakly acidic medium with a molecule of diazotized 3-amino-4'-oxy-1. :. ' 1'-azobenzene-:
3, '- carboxylic acid-4-sulphonic acid and then in a weakly alkaline medium with a molecule: diazotized 2-amino: -l-oxybenzene: 6-carboxylic acid-4-sulphonic acid and the resulting trisazo dye with treated with a chromium-releasing substance.
<I> Example: </I> 33.7 parts of 3 - amino-4'-oxy-1.: 1'-azaben- zol-d'-carbons @ acid-4-sulfone, acid are after the Swiss Patent No. 1750: 2i9 known processes and diazotized in acetic acid solution with 23.9 parts of 2-amino-5-oxynaphthalene-7-sulfone: acid.
The disazo dye obtained is coupled in an alkaline solution with the diazo compound of 2: 3, .3 parts of 2.-amino-1 .-: oxy-benzo: 1-6-carboxylic acid-4-sulfonic acid.
After the coupling is complete, the tris azo dye obtained is salted out, suction filtered, dissolved in 2000 parts of boiling water and the solution is refluxed for 1.5 hours with the addition of a chromo acetate solution corresponding to 3: 0.4 parts of Cr20.
The new chromium compound is obtained in solid form by evaporating the solution.
The new chromium-containing dye forms when dried. Dark brown powder, dissolves in water with brown, concentrated sulfuric acid with yellow-brown color and, with chrome printing on cotton, artificial silk made from regenerated cellulose or natural silk, produces deep, dark brown tones that are characterized by good fastness properties.
Claims (1)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE205817X | 1936-05-28 | ||
CH202856T | 1937-05-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH205817A true CH205817A (en) | 1939-06-30 |
Family
ID=25723864
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH205817D CH205817A (en) | 1936-05-28 | 1937-05-20 | Process for the production of a new, metal-containing stain dye. |
Country Status (1)
Country | Link |
---|---|
CH (1) | CH205817A (en) |
-
1937
- 1937-05-20 CH CH205817D patent/CH205817A/en unknown
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