CH165057A - Process for the production of a new vat dye. - Google Patents
Process for the production of a new vat dye.Info
- Publication number
- CH165057A CH165057A CH165057DA CH165057A CH 165057 A CH165057 A CH 165057A CH 165057D A CH165057D A CH 165057DA CH 165057 A CH165057 A CH 165057A
- Authority
- CH
- Switzerland
- Prior art keywords
- production
- new
- dye
- dimethyl
- vat 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
- C09B7/00—Indigoid dyes
- C09B7/10—Bis-thionapthene indigos
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Coloring (AREA)
Description
Verfahren zur Herstellung eines neuen Nüpenfarbstoffes. Es wurde gefunden, dass man einen neuen Küpenfarbstoff erhält, wenn man das 5-Chloi#- 4.7-dimethyl-3-oxythionaphthen mit dem 2-(p-Diinetliylarnino-)anil des 4.7-Dimethyl- 3-oxytliionaplithens kondensiert.
Der neue Farbstoff der Formel
EMI0001.0010
stellt ein blaustichig rosagefärbtes Pulver dar, das sich in konzentrierter Schwefelsäure mit grüner Farbe löst und .Baumwolle aus blassgelb gefärbter Küpe in kräftigen, blau stichigem Rosatönen von sehr guten Echt heitseigenschaften färbt.
Beispiel: '212,5 Teile 5-Chlor-4.7-dimethyl-3-oxy- thionaplithen werden in 8800 Teilen Benzol mit<B>309,5</B> Teilen 2-(p-Dimethylamino-)anil des 4.7-Dimetliyl-3-oxythioriaphtheris bei etwa<B>800</B> verrührt, bis die Kondensation beendet ist. Der Farbstoff wird hierauf ab filtriert, gewaschen und getrocknet.
Process for the production of a new pebble dye. It has been found that a new vat dye is obtained if the 5-chloi # - 4.7-dimethyl-3-oxythionaphthene is condensed with the 2- (p-diinetliylamino) anil of the 4,7-dimethyl-3-oxytliionaplithene.
The new dye in the formula
EMI0001.0010
is a blue-tinged pink powder that dissolves in concentrated sulfuric acid with a green color and dyes cotton from a pale yellow vat in strong, blue-tinged pink tones with very good fastness properties.
Example: 212.5 parts of 5-chloro-4,7-dimethyl-3-oxythionaplithen are mixed with 8,800 parts of benzene with 309.5 parts of 2- (p-dimethylamino) anil of 4,7-dimethyl -3-oxythioriaphtheris stirred at about <B> 800 </B> until the condensation has ended. The dye is then filtered off, washed and dried.
Claims (1)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH165057T | 1932-07-15 | ||
CH163280T | 1932-07-15 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH165057A true CH165057A (en) | 1933-10-31 |
Family
ID=25717744
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH165057D CH165057A (en) | 1932-07-15 | 1932-07-15 | Process for the production of a new vat dye. |
Country Status (1)
Country | Link |
---|---|
CH (1) | CH165057A (en) |
-
1932
- 1932-07-15 CH CH165057D patent/CH165057A/en unknown
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