CH298758A - Process for preparing an acidic wool dye. - Google Patents

Process for preparing an acidic wool dye.

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Publication number
CH298758A
CH298758A CH298758DA CH298758A CH 298758 A CH298758 A CH 298758A CH 298758D A CH298758D A CH 298758DA CH 298758 A CH298758 A CH 298758A
Authority
CH
Switzerland
Prior art keywords
acidic
mole
dye
bute
reaction
Prior art date
Application number
Other languages
German (de)
Inventor
Farbwerke Hoechst Akt Bruening
Original Assignee
Hoechst Ag
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hoechst Ag filed Critical Hoechst Ag
Publication of CH298758A publication Critical patent/CH298758A/en

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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
    • C09B11/00—Diaryl- or thriarylmethane dyes
    • C09B11/04—Diaryl- or thriarylmethane dyes derived from triarylmethanes, i.e. central C-atom is substituted by amino, cyano, alkyl
    • C09B11/26—Triarylmethane dyes in which at least one of the aromatic nuclei is heterocyclic

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Detergent Compositions (AREA)

Description

Zusatzpatent zum Hauptpatent Nr.296669. Verfahren zur Herstellung eines sauren Wollfarbstoffes. Gegenstand dieses Patentes ist ein Verfah- ren zur Herstellung eines sauren Wollfarb- stoffes, welches darin besteht, daB man 1 Mol der durch Kondensation von 1 Mol 4.4'-Di- chlorbenzophenon mit 1 Mol N-Methyl-2-phe- nylindol erhâltlichen Verbindung mit 2 Mol 1-Amino-4-phenoxybenzol-2-sulfonsâure um- setzt. Additional patent to the main patent No. 296669. Process for preparing an acidic wool dye. The subject of this patent is a process for preparing an acidic wool dye, which consists in reacting 1 mole of the compound obtainable by condensing 1 mole of 4,4'-dichlorobenzophenone with 1 mole of N-methyl-2-phenylindole reacted with 2 moles of 1-amino-4-phenoxybenzene-2-sulfonic acid.

Die Umsetzung erfolgt dureh Erhitzen der Ausgangsstoffe mit oder ohne Zusatz von L5- sungs- oder Schmelzmitteln, z. B. enter Zusatz von Glykol oder âhnlichen Verbindungen. Man kann zum Beispiel Temperaturen von 110 bis 160 C anwenden. Die 1-Amino-4-phenoxyben- zol-2-sulfonsâure wird als freie Saure Oder in Form ihrer Alkali- oder Ammoniumsalze ver- wendet. The reaction takes place by heating the starting materials with or without the addition of solvents or melting agents, e.g. B. enter addition of glycol or similar compounds. For example, temperatures from 110 to 160°C can be used. 1-Amino-4-phenoxybenzene-2-sulfonic acid is used as the free acid or in the form of its alkali metal or ammonium salts.

Der neue Farbstoff fârbt Wolle in sehr klaren blauen TSnen von Buter Lichtechtheit end schôner Abendfarbe. Er besitzt ein Butes Egalisierungsvermôgen, Butes Ziehvermbgen aus saurem end neutralem Bade sowie Bute Seewasser- end Schweif3echtheit. The new dye dyes wool in very clear blue shades of but lightfastness and a beautiful evening color. It has a Butes leveling ability, Butes drawing ability from acidic and neutral baths as well as Butes seawater and tail fastness.

Beispiel: 30 g der durch Kondensation von 4.4'-Di- ehlorbenzophenon end N-Methyl-2-phenylindol erhâltlichen Verbindung werden mit 60 g des Natrium-, Kalium- oder Ammoniumsalzes der 1-Amino-4-phenoxybënzol-2-sulfonsâure enter Zusatz von 200 g Glykol 4 bis 7 Stunden auf 140 bis 155 C erwârmt, bis die Farbstoff- bildung nicht mehr zunimmt. Die beim Aus- gief3en in Wasser ausfallende Farbstoffdisul- fonsâure wird abfiltriert, durch Auswaschen mit kaltem Wasser gereinigt, dann in warmem Wasser enter Zusatz der hinreichenden Menge Natriumcarbonat gel5st; die LSsung wird mit 10 bis 15 g eines geeigneten Netzmittels ver- setzt end ans der LSsung dann der Farbstoff durch Natriumchlorid gefâllt. Der so erhal- tene Farbstoff stellt das Mononatriumsalz einer Farbstoffdisulfonsâure von folgender Zusammensetzung dar: Example: 30 g of the compound obtained by the condensation of 4,4'-dichlorobenzophenone and N-methyl-2-phenylindole are added with 60 g of the sodium, potassium or ammonium salt of 1-amino-4-phenoxybenzene-2-sulfonic acid of 200 g of glycol for 4 to 7 hours at 140 to 155 C until the color formation no longer increases. The dye disulphonic acid which precipitates out when poured out into water is filtered off, washed out with cold water and then dissolved in warm water with the addition of a sufficient amount of sodium carbonate; 10 to 15 g of a suitable wetting agent are added to the solution and the dye is then precipitated in the solution using sodium chloride. The dye thus obtained is the monosodium salt of a dye disulphonic acid of the following composition:

Der neue Farbstoff fârbt Wolle in sehr klaren blauen Tônen von Buter Lichtechtheit und sch6ner Abendfarbe. Er besitzt ein Butes Egalisierungsverm6gen, Butes Ziehvermagen aus saurera neutralem Bade sowie Bute See- wasser- und Schweilechtheit; er besitzt ferner praktisch keine Affinit5,t zur Baumwollfaser und liefert daher auf Mischgeweben ans Wolle und Baumwolle Pârbungen luit reinen Baum- wolleffekten. The new dye dyes wool in very clear blue tones of but lightfastness and a beautiful evening color. It has a Butes leveling ability, Butes drawing ability from acidic neutral baths as well as Bute seawater and sweat fastness; it also has practically no affinity for cotton fibers and therefore produces dyeings with pure cotton effects on mixed fabrics made of wool and cotton.

Claims (3)

PATENTANSPRUCH: Verfahren zur Herstellung eines sauren Wollfarbstoffes, dadurch gekennzeichnet, daP man 1 Mol der dureh Kondensation von 1 Mol 4.4'-Dichlorbenzophenon mit 1 Mol N-Methyl- 2-phenylindol erhâltlichen Verbindung mit 2 Mol 1-Amino-4-phenoxybenzol-2-sulfons5,ure umsetzt. Der neuë Farbstoff fârbt Wolle in sehr klaren blauen TSnen von Buter Lichtechtheit und schbner Abendfarbe. Er besitzt ein Butes Ggalisierungsvermôgen, Butes Ziehverm3gen aus saurera und neutralem Bade sowie Bute Seewasser- und Schwelechtheit. - UNTERANSPRUCHE 1. Verfahren nach Patentanspruch, da durch gekennzeichnet, da8 man fiir die Um- setzung das Alkali- Oder Ammoniumsalz der 1-Amino-4-phenoxybenzol-2-sulfonsâure ver- wendet. PATENT CLAIM: Process for the production of an acidic wool dye, characterized in that 1 mole of the compound obtainable by the condensation of 1 mole of 4,4'-dichlorobenzophenone with 1 mole of N-methyl-2-phenylindole is treated with 2 moles of 1-amino-4-phenoxybenzene-2 -sulfonic acid. The new dye dyes wool in very clear blue shades but is lightfast and has a beautiful evening color. He has a Bute's ability to neutralize, Bute's ability to draw from acidic and neutral baths, as well as Bute's seawater and weakness. 1. Process according to patent claim, characterized in that the alkali or ammonium salt of 1-amino-4-phenoxybenzene-2-sulfonic acid is used for the reaction. 2. Verfahren nach Patentansprucli, da- dureb. gekennzeichnet, da8 man die Umset- zung durch Erhitzen bei 140 bis 155 C durch- führt. 2. Method according to patent claims, da dureb. characterized in that the reaction is carried out by heating at 140 to 155°C. 3. Verfahren nach Patentanspruch, da- durch gekennzeichnet, daf3 man die Umset- zung in Gegenwart von (-'Tlykol als Verdün- nungsmittel durchführt. 3. Process according to patent claim, characterized in that the reaction is carried out in the presence of (-'-glycol as a diluent.
CH298758D 1942-05-30 1943-03-30 Process for preparing an acidic wool dye. CH298758A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE298758X 1942-05-30
DE130642X 1942-06-13
CH296669T 1943-03-30

Publications (1)

Publication Number Publication Date
CH298758A true CH298758A (en) 1954-05-15

Family

ID=27178239

Family Applications (1)

Application Number Title Priority Date Filing Date
CH298758D CH298758A (en) 1942-05-30 1943-03-30 Process for preparing an acidic wool dye.

Country Status (1)

Country Link
CH (1) CH298758A (en)

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