CH303520A - Process for the preparation of a metallizable disazo dye. - Google Patents
Process for the preparation of a metallizable disazo dye.Info
- Publication number
- CH303520A CH303520A CH303520DA CH303520A CH 303520 A CH303520 A CH 303520A CH 303520D A CH303520D A CH 303520DA CH 303520 A CH303520 A CH 303520A
- Authority
- CH
- Switzerland
- Prior art keywords
- acid
- disazo dye
- oxy
- amino
- fumaric acid
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 8
- 125000000664 diazo group Chemical group [N-]=[N+]=[*] 0.000 title claims description 7
- 238000002360 preparation method Methods 0.000 title description 2
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 9
- 239000000975 dye Substances 0.000 claims description 9
- VZCYOOQTPOCHFL-OWOJBTEDSA-N Fumaric acid Chemical compound OC(=O)\C=C\C(O)=O VZCYOOQTPOCHFL-OWOJBTEDSA-N 0.000 claims description 6
- 239000002253 acid Substances 0.000 claims description 3
- 239000011230 binding agent Substances 0.000 claims description 3
- 239000001530 fumaric acid Substances 0.000 claims description 3
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- ZLYYJUJDFKGVKB-OWOJBTEDSA-N (e)-but-2-enedioyl dichloride Chemical compound ClC(=O)\C=C\C(Cl)=O ZLYYJUJDFKGVKB-OWOJBTEDSA-N 0.000 claims description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 2
- 229920000742 Cotton Polymers 0.000 claims description 2
- 239000012736 aqueous medium Substances 0.000 claims description 2
- 229910052802 copper Inorganic materials 0.000 claims description 2
- 239000010949 copper Substances 0.000 claims description 2
- 239000000843 powder Substances 0.000 claims description 2
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 claims description 2
- 239000004627 regenerated cellulose Substances 0.000 claims description 2
- 230000001419 dependent effect Effects 0.000 claims 2
- 235000013405 beer Nutrition 0.000 claims 1
- 239000003795 chemical substances by application Substances 0.000 claims 1
- 239000000835 fiber Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 claims 1
- MVPPADPHJFYWMZ-UHFFFAOYSA-N chlorobenzene Chemical compound ClC1=CC=CC=C1 MVPPADPHJFYWMZ-UHFFFAOYSA-N 0.000 description 2
- 229920003043 Cellulose fiber Polymers 0.000 description 1
- 125000003277 amino group Chemical group 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Landscapes
- Coloring (AREA)
Description
<B>Verfahren zur</B> Herstellung <B>eines</B> metallisierbaren Disazofarbstoffes. Gegenstand des vorliegenden Patentes ist ein Verfahren zier Herstellung eines metalli- ierbaren Disazofarbstoffes,welches darin be steht, dass man 1 Mol 4-Amino-4'-oxy-1,1'-azo- benzol-3'-carbonsäure und' 1 Mol 4'- (4"-Amino)
- benzoylamino - 3 - carboxy - 4 - oxy - 2'- methyl-5'- inethoxy-1,1'-azobenzol-5-sulfonsäi.re, vorzugs weise in wässerigem Medium und. in Gegen- wart eines säurebindenden Mittels, durch die Einwirkung von 1 Mol eines F'umarsäuredi- halogenides miteinandler verknüpft.
Im nachfolgernden Beispiel, bedeuten die Teile Gewichtsteile.
<I>Beispiel:</I> 12,9 Teile 4-Amino-4'-oxy-1,1'-azabenzol-3'- carbonsäure und 25 Teile 4'-(4"-Amino)-ben- zoylamino-3-carboxy-4-oxy -\3'- methyl-5'-meth- oxy -1,1' - azobenmol - 5 - sulfonsäure werden in >_'500 Teilen Wasser mit Hilfe von Natrium- liyd'roxyd (pg ungefähr 8) gelöst.
Die Lösung wird durch Zugabe von Eis auf ungefähr 5 C gekühlt; hierauf wird sie bei dieser Tem peratur unter sehr gutem Rühren innerhalb von einer Stunde gleichmässig mit so viel einer 20 o/oigen Lösung von Fumarsäuredzchlorid in Chlorbenzol versetzt, bis keine freie Amino- gruppe mehr nachweisbar ist. Während dieser Operation wird durch Zutropfen von ver dünnter Natriumhydroxydlösung die Reak tion stets schwach alkalisch (pH ungefähr 8) gehalten.
Anschliessend wird die Farbstoff lösung auf 80 C erwärmt; man salzt daraus den gebildeten; Disazofarbstoff aus, filtriert ihn ab und trocknet ihn.
Der neue metallisierbare Disazofarbstoff ist ein gelbbraunes Pulver, welches sich in. Wasser mit gelber Farbe löst und.! Baumwolle und Fasern aus regenerierter Cellulose in klaren gelben Tönen färbt. Die Ausfärbun- gen, besitzen, besonders wenn: sie mit kupfer abgebenden. Mitteln behandelt werden, ausge zeichnete Licht- und Nasseehtheiten.
<B> Process for </B> producing <B> a </B> metallizable disazo dye. The subject of the present patent is a process for the preparation of a metallizable disazo dye, which is that 1 mol of 4-amino-4'-oxy-1,1'-azobenzene-3'-carboxylic acid and '1 mol 4'- (4 "amino)
- Benzoylamino - 3 - carboxy - 4 - oxy - 2'-methyl-5'-inethoxy-1,1'-azobenzene-5-sulfonic acid, preferably in an aqueous medium and. in the presence of an acid-binding agent, linked to one another by the action of 1 mol of a fumaric acid dihalide.
In the example below, the parts mean parts by weight.
<I> Example: </I> 12.9 parts of 4-amino-4'-oxy-1,1'-azabenzene-3'-carboxylic acid and 25 parts of 4 '- (4 "-amino) -ben- zoylamino- 3-carboxy-4-oxy - \ 3'-methyl-5'-methoxy -1,1 '- azobenmol - 5 - sulfonic acid are dissolved in> _' 500 parts of water with the help of sodium hydroxide (approx 8) solved.
The solution is cooled to about 5 C by adding ice; then at this temperature and with very good stirring within one hour it is evenly mixed with enough of a 20% solution of fumaric acid chloride in chlorobenzene until no more free amino groups can be detected. During this operation, dilute sodium hydroxide solution is added dropwise to keep the reaction always slightly alkaline (pH approx. 8).
The dye solution is then heated to 80 C; from it the educated are salted; Disazo dye, filters it off and dries it.
The new metallizable disazo dye is a yellow-brown powder which dissolves in. Water with a yellow color and.! Dyes cotton and regenerated cellulose fibers in clear yellow tones. The colorations have, especially if: they emit with copper. Means are treated, excellent light and wetness.
Claims (1)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH287561T | 1950-07-14 | ||
| CH303520T | 1952-04-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH303520A true CH303520A (en) | 1954-11-30 |
Family
ID=25732721
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH303520D CH303520A (en) | 1950-07-14 | 1952-04-25 | Process for the preparation of a metallizable disazo dye. |
Country Status (1)
| Country | Link |
|---|---|
| CH (1) | CH303520A (en) |
-
1952
- 1952-04-25 CH CH303520D patent/CH303520A/en unknown
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