CH204134A - Process for the production of a vat dye. - Google Patents
Process for the production of a vat dye.Info
- Publication number
- CH204134A CH204134A CH204134DA CH204134A CH 204134 A CH204134 A CH 204134A CH 204134D A CH204134D A CH 204134DA CH 204134 A CH204134 A CH 204134A
- Authority
- CH
- Switzerland
- Prior art keywords
- production
- diphenyl
- vat dye
- azogy
- 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
- C09B43/00—Preparation of azo dyes from other azo compounds
- C09B43/32—Preparation of azo dyes from other azo compounds by reacting carboxylic or sulfonic groups, or derivatives thereof, with amines; by reacting keto-groups with amines
- C09B43/36—Preparation of azo dyes from other azo compounds by reacting carboxylic or sulfonic groups, or derivatives thereof, with amines; by reacting keto-groups with amines with amino-anthracene or amino-anthraquinone dyes
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Coloring (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Description
<B>Zusatzpatent</B> zum Hauptpatent Nr. 200369. Verfahren zur Herstellung eines Küpenfarbstoffes. Vorliegendes Patent bezieht sich auf ein Verfahren zur Herstellung eines Küpenfarb- stoffes,dadurch gekennzeichnet, dass man ein funktionelles Derivat der Diphenyl-azogy- diphenyl-4,4'-,
dicarbonss-äure mit 1-Amino-5- ben.zoylaminoanthrachinon im Molekularver- h ältnis 1 : 2 kondensiert.
Der so erhaltene Farbstoff löst sich in konzentrierter .Schwefelsäure mit ,dunkelroter Farbe und färbt Baumwolle aus violetter Küpe in rotstickig ,gerben Tönen von ausge zeichneten Echtheitseigenschaften. <I>Beispiel:
</I> In eine auf 100 bis 120 C ,gehaltene Lösung von 35 Teilen 1-Amin.o-5-benzoyl.- aminoauthrachinon in etwa 500 Teilen Mono chlorbenzol trägt man allmählich 24 Teile Diphenyl- azogy -idip.henyl-4,
4'-dicarbonsäure- dichlorid ein und kocht anschliessend etwa 1 Stunde unter Rühren und Rüekflussküh- lung. Hierauf wind der gebildete Farbstoff abgesaugt, ,gewaschen und .getrocknet.
Das verwendete Säurediehlorid, dem die folgende Formel. zukommt:
EMI0001.0055
hat .den Schmelzpunkt 19-2' C. Die entspre- chende Dicarbonsäure lässt sich durch Reduk- tion. von 4-Nitrodiphenyl-4',carbonsäure mit Traubenzucker erhalten.
<B> Additional patent </B> to main patent no. 200369. Process for the production of a vat dye. The present patent relates to a process for the production of a vat dye, characterized in that a functional derivative of diphenyl-azogy-diphenyl-4,4'-,
dicarboxylic acid condensed with 1-amino-5-benzoylaminoanthraquinone in a molecular ratio of 1: 2.
The dye thus obtained dissolves in concentrated sulfuric acid with a dark red color and dyes cotton from a violet vat in red-embroidered, tanned shades with excellent fastness properties. <I> example:
</I> In a solution of 35 parts of 1-amin.o-5-benzoyl.- aminoauthraquinone in about 500 parts of monochlorobenzene, kept at 100 to 120 ° C., 24 parts of diphenyl azogy -idip.henyl-4,
4'-dicarboxylic acid dichloride and then boil for about 1 hour with stirring and reflux cooling. The dye formed is then sucked off, washed and dried.
The acid dichloride used, which has the following formula. comes to:
EMI0001.0055
has a melting point of 19-2 ° C. The corresponding dicarboxylic acid can be reduced by reduction. obtained from 4-nitrodiphenyl-4 ', carboxylic acid with grape sugar.
Claims (1)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE204134X | 1937-01-07 | ||
CH200369T | 1938-03-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH204134A true CH204134A (en) | 1939-04-15 |
Family
ID=25723480
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH204134D CH204134A (en) | 1937-01-07 | 1938-01-04 | Process for the production of a vat dye. |
Country Status (1)
Country | Link |
---|---|
CH (1) | CH204134A (en) |
-
1938
- 1938-01-04 CH CH204134D patent/CH204134A/en unknown
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