CH307169A - Process for the production of a copper-containing azo dye. - Google Patents
Process for the production of a copper-containing azo dye.Info
- Publication number
- CH307169A CH307169A CH307169DA CH307169A CH 307169 A CH307169 A CH 307169A CH 307169D A CH307169D A CH 307169DA CH 307169 A CH307169 A CH 307169A
- Authority
- CH
- Switzerland
- Prior art keywords
- copper
- azo dye
- containing azo
- fumaric acid
- production
- 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
- 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
- C09B45/28—Disazo or polyazo compounds containing copper
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Coloring (AREA)
- Paper (AREA)
Description
Zusatzpatent zum Hauptpatent Nr. 290294. Verfahren zur Herstellung eines kupferhaltigen Azofarbstoffes. Gegenstand des vorliegenden Patentes ist ein Verfahren zur Herstellung eines kupfer haltigen Azofarbstoffes, welches darin besteht, dass man 0,67 Mol der Kupferkomplexverbin- dung der Zusammensetzung.
EMI0001.0009
und 1,33 Mol der Kupferkomplexverbindung der Zusammensetzung
EMI0001.0013
vorteilhaft in wässerigem Medium und in Ge genwart eines säurebindenden Mittels, mit 1. Mol eines Fumarsäuredihalogenids umsetzt.
Im nachfolgenden Beispiel bedeuten die Teile Gewichtsteile.
<I>Beispiel:</I> 33,3 Teile der Kupferkomplexverbindung der Zusammensetzung (I) und 49,4 Teile der Kupferkomplexverbindung der Zusammenset zung (II) werden bei Zimmertemperatur in Wasser unter Zusatz von Natriumhydroxyd- lösung gelöst.
In die Lösung tropft man gleich zeitig und unter gutem Rühren einerseits eine Mischung aus 7,7 Teilen Fumarsäuredichlorid und 8 Teilen Benzol und anderseits so viel einer Natriumcarbonatlösung, dass die Reak tion der Kondensationslösung immer schwach alkalisch ist. Nachdem alles Fumarsäure- dichlorid eingetragen ist, wird die Kondensa- ; tionslösung noch so lange weitergerührt, bis sich keine freie Aminogruppemehr nachweisen lässt.
Hierauf wird der gebildete Disazofarb- stoff in der Wärme mit Hilfe von Natrium chlorid abgeschieden, abfiltriert und Betrock-, net.
Der neue kupferhaltige Azofarbstoff ist ein grünblaues Pulver, welches sich in Was ser und in konzentrierter Schwefelsäure mit grüner Farbe löst und Baumwolle und Fasern aus regenerierter Cellulose in echten, lebhaf ten, grünen Tönen färbt.
Additional patent to the main patent No. 290294. Process for the production of a copper-containing azo dye. The subject of the present patent is a process for the preparation of a copper-containing azo dye, which consists in adding 0.67 mol of the copper complex compound of the composition.
EMI0001.0009
and 1.33 moles of the copper complex compound of the composition
EMI0001.0013
advantageously in an aqueous medium and in the presence of an acid-binding agent, with 1. Mol of a fumaric acid dihalide.
In the following example, the parts are parts by weight.
<I> Example: </I> 33.3 parts of the copper complex compound of the composition (I) and 49.4 parts of the copper complex compound of the composition (II) are dissolved in water at room temperature with the addition of sodium hydroxide solution.
At the same time and with thorough stirring, a mixture of 7.7 parts of fumaric acid dichloride and 8 parts of benzene and, on the other hand, enough sodium carbonate solution that the reaction of the condensation solution is always weakly alkaline are added dropwise to the solution. After all the fumaric acid dichloride has been entered, the condensate; tion solution continued to stir until no more free amino groups can be detected.
The disazo dye formed is then deposited in the heat with the aid of sodium chloride, filtered off and dried.
The new copper-containing azo dye is a green-blue powder that dissolves in water and concentrated sulfuric acid with a green color and dyes cotton and fibers made from regenerated cellulose in real, lively green tones.
Claims (1)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH307169T | 1952-06-16 | ||
| CH290294T | 1952-09-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH307169A true CH307169A (en) | 1955-05-15 |
Family
ID=25732942
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH307169D CH307169A (en) | 1952-06-16 | 1952-06-16 | Process for the production of a copper-containing azo dye. |
Country Status (1)
| Country | Link |
|---|---|
| CH (1) | CH307169A (en) |
-
1952
- 1952-06-16 CH CH307169D patent/CH307169A/en unknown
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CH307169A (en) | Process for the production of a copper-containing azo dye. | |
| CH307171A (en) | Process for the production of a copper-containing azo dye. | |
| CH307170A (en) | Process for the production of a copperable azo dye. | |
| CH308453A (en) | Process for the preparation of a metallizable disazo dye. | |
| CH306245A (en) | Process for the preparation of a dye mixture. | |
| CH307168A (en) | Process for the production of a copperable azo dye. | |
| CH306242A (en) | Process for the preparation of a dye mixture. | |
| CH306243A (en) | Process for the preparation of a dye mixture. | |
| CH310141A (en) | Process for the preparation of a substantive azo dye. | |
| CH308452A (en) | Process for the preparation of a metallizable disazo dye. | |
| CH308451A (en) | Process for the preparation of a metallizable disazo dye. | |
| CH306240A (en) | Process for the preparation of a substantive disazo dye. | |
| CH287561A (en) | Process for the preparation of a disazo dye. | |
| CH306241A (en) | Process for the preparation of a substantive disazo dye. | |
| CH307181A (en) | Process for the production of a copperable azo dye. | |
| CH308456A (en) | Process for the preparation of a metallizable disazo dye. | |
| CH306244A (en) | Process for the preparation of a dye mixture. | |
| CH333794A (en) | Process for the preparation of a monoazo dye | |
| CH307184A (en) | Process for the production of a copper-containing azo dye. | |
| CH307182A (en) | Process for the production of a copper-containing azo dye. | |
| CH305119A (en) | Process for the preparation of a substantive azo dye. | |
| CH308461A (en) | Process for the preparation of a metallizable disazo dye. | |
| CH307174A (en) | Process for the production of a copperable azo dye. | |
| CH308459A (en) | Process for the preparation of a metallizable disazo dye. | |
| CH306869A (en) | Process for the preparation of a metallizable trisazo dye. |