AT65221B - Process for the preparation of yellow to brown wool dyes. - Google Patents
Process for the preparation of yellow to brown wool dyes.Info
- Publication number
- AT65221B AT65221B AT65221DA AT65221B AT 65221 B AT65221 B AT 65221B AT 65221D A AT65221D A AT 65221DA AT 65221 B AT65221 B AT 65221B
- Authority
- AT
- Austria
- Prior art keywords
- yellow
- preparation
- wool dyes
- dyes
- brown wool
- Prior art date
Links
- 239000000975 dye Substances 0.000 title claims description 7
- 210000002268 wool Anatomy 0.000 title claims description 4
- 238000000034 method Methods 0.000 title claims description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- -1 p-aminodiphenylamine sulfonic acids Chemical class 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- QVQSOXMXXFZAKU-UHFFFAOYSA-N 4-chloro-1,2-dinitrobenzene Chemical compound [O-][N+](=O)C1=CC=C(Cl)C=C1[N+]([O-])=O QVQSOXMXXFZAKU-UHFFFAOYSA-N 0.000 description 1
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 239000007859 condensation product Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 125000001424 substituent group Chemical group 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Landscapes
- Coloring (AREA)
Description
<Desc/Clms Page number 1>
Verfahren zur Darstellung gelber bis brauner Wollfarbetoffe. Es wurde gefunden, dass man wertvolle gelbe bis braune Wollfarbstoffe vom Typus :
EMI1.1
wobei X Wasserstoff oder einen beliebigen Substituenten bedeutet, erhält durch Kondensation von substituierten oder nichtsubstituierten p-Aminodiphenylaminsulfosäuren mit 1.2. 4-Chlor- dinitrobenzol.
Dass auf diese Weise wertvolle, insbesondere genügend lösliche Farbstoffe entstehen würden, war nicht vorauszusehen ; der Eintritt eines Dinitrokohlenwasserstoffes stellte eher Körper von noch grösserer Unlöslichkeit als die des Ausgangsmaterials in Aussicht.
Die mit den Farbstoffen dieser Gruppe erzielten Färbungen zeichnen sich ans durch hervorragende Licht- und Alkahechthelt.
Beispiel :
30 Teile aminotolylphenylaminsulfosaures Natrium werden in etwa 150 Teilen Wasser gelöst und bet Wasserbadtemperatur mit 20 Teilen Chlordmitrobenzol und 10 Teilen Kreidepulver verrührt Das Kondensationsprudukt scheidet sich bald aus in Form einer braunen Masse. Nach dem Absaugen, Auswaschen wird die freie Farbstoffsäure erhalten durch Zersetzen mit Salzsäure in der Wärme.
**WARNUNG** Ende DESC Feld kannt Anfang CLMS uberlappen**.
<Desc / Clms Page number 1>
Process for the representation of yellow to brown wool dyes. It was found that valuable yellow to brown wool dyes of the type:
EMI1.1
where X is hydrogen or any substituent, obtained by condensation of substituted or unsubstituted p-aminodiphenylamine sulfonic acids with 1.2. 4-chlorodinitrobenzene.
It was not foreseeable that this would produce valuable, in particular sufficiently soluble, dyes; the entry of a dinitro hydrocarbon rather promised bodies of even greater insolubility than that of the starting material.
The colorations achieved with the dyes of this group are distinguished by their excellent light and alkali-like properties.
Example:
30 parts of aminotolylphenylaminesulfosauresodium are dissolved in about 150 parts of water and stirred at water bath temperature with 20 parts of chlorodmitrobenzene and 10 parts of chalk powder. The condensation product soon separates out in the form of a brown mass. After suction and washing, the free dye acid is obtained by decomposition with hydrochloric acid in the warmth.
** WARNING ** End of DESC field may overlap beginning of CLMS **.
Claims (1)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE65221X | 1911-07-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| AT65221B true AT65221B (en) | 1914-06-10 |
Family
ID=5632808
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT65221D AT65221B (en) | 1911-07-25 | 1912-07-19 | Process for the preparation of yellow to brown wool dyes. |
Country Status (1)
| Country | Link |
|---|---|
| AT (1) | AT65221B (en) |
-
1912
- 1912-07-19 AT AT65221D patent/AT65221B/en active
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