DE717163C - Process for improving the solubility of acidic anthraquinone dyes - Google Patents

Process for improving the solubility of acidic anthraquinone dyes

Info

Publication number
DE717163C
DE717163C DES136894D DES0136894D DE717163C DE 717163 C DE717163 C DE 717163C DE S136894 D DES136894 D DE S136894D DE S0136894 D DES0136894 D DE S0136894D DE 717163 C DE717163 C DE 717163C
Authority
DE
Germany
Prior art keywords
parts
improving
solubility
anthraquinone dyes
lithium
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
DES136894D
Other languages
German (de)
Inventor
Dr Samuel Von Allmen
Dr Edmond Rosselet
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sandoz AG
Original Assignee
Sandoz 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 Sandoz AG filed Critical Sandoz AG
Application granted granted Critical
Publication of DE717163C publication Critical patent/DE717163C/en
Expired legal-status Critical Current

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
    • C09B1/00—Dyes with anthracene nucleus not condensed with any other ring
    • C09B1/16—Amino-anthraquinones
    • C09B1/20—Preparation from starting materials already containing the anthracene nucleus
    • C09B1/26—Dyes with amino groups substituted by hydrocarbon radicals
    • C09B1/32—Dyes with amino groups substituted by hydrocarbon radicals substituted by aryl groups
    • C09B1/34—Dyes with amino groups substituted by hydrocarbon radicals substituted by aryl groups sulfonated

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

Description

Verfahren zur Verbesserung der Löslichkeit von sauren Anthrachinonfarbstoffen Unter den sauren Anthrachi.nonfarbstoffen des Handels gibt es eine ganze Anzahl, die ungenügend löslich sind und bei der Anwendung in der Färberei und Druckerei Schwierigkeiten bereiten.Process for improving the solubility of anthraquinone acid dyes There are quite a number of the acidic anthrachi non-dyes on the market, which are insufficiently soluble and when used in dyeing and printing To cause difficulties.

Es wurde nun gefunden, daß .die Löslich- entspricht, worin Y OH, 1;H, oder durch Kohlenwasserstoffreste, die gegebenenfalls eine Sulfonsäure-gruppe tragen können, subkeit solcher Farbstoffe wesentlich verbessert werden kann, wenn man sie nach .den bekannten Methoden der Salzbildung in .die Lithiumsalze überführt. Für -das Verfahren eignen sich diejenigen Farbstoffe besonders gut, ,deren Aufbau der allgemeinen Zusammensetzung und stituiertes _NH" Y Wasserstoff oder Alkyl und Z Wasserstoff, Alky l oder Halogen, bedeuten. Die Verbesserung der Löslichkeit zugunsten der Lithiums.alze ist bemerkenszvert, indem sich von diesen in einer bestimmten Wassermenge zwei- bis fünfmal Es lösen sich in iooo Teilen kochendem Wasser Farbstoff' Natriumsalz I Lithiumsalz (Schultz-Farbstofftabellen, 7. Auflage, Nr. =Z96) (erhältl. nach Beispiel i der Patentschrift 131873) (erhältl. nachBeispiel i der Patentschrift 159 129) (erhältl. nach Beispiel 1 der Patentschrift 126 392) so viel löst als von den entsprechenden Natriumsalzen.It has now been found that the soluble corresponds, in which Y is OH, 1; H, or by hydrocarbon radicals, which can optionally carry a sulfonic acid group, the substance of such dyes can be significantly improved if they are converted into lithium salts by the known methods of salt formation. Those dyes are particularly suitable for the process, whose structure of the general composition and substituted _NH "Y denotes hydrogen or alkyl and Z denotes hydrogen, alkyl or halogen. The improvement in solubility in favor of the lithium salts is noteworthy, as they dissolve in a certain amount of water two to five times in 1,000 parts of boiling water Water dye 'sodium salt I lithium salt (Schultz color tables, 7th edition, no. = Z96) (obtainable according to example i of patent specification 131873) (obtainable according to example i of patent specification 159 129) (Obtainable according to Example 1 of patent specification 126 392) dissolves as much as of the corresponding sodium salts.

Die Unterschiede sind aus der folgenden Zusammenstellung zu entnehmen: Farbstoff (erhältl. nach Beispiel 3 derPatentschrift 233 126) (erhältl. nach Beispiel 12 der Patetitschr.63I 5z8) Die Herstellung der Lithiumsalze erfolgt ain einfachsten durch Neutralisation der freien Farbstoffsäuren mit Lithiumcarbonat oderThe differences can be found in the following list: dye (obtainable according to example 3 of patent 233 126) (Obtainable according to Example 12 of Patetitschr.63I 5z8) The lithium salts are produced in the simplest way by neutralizing the free dye acids with lithium carbonate or

Claims (1)

PÄTENTANSPRUCH: Verfahren zur Verbesserung oder Lös= fen, dadurch gekennzeichnet, daß man Farblichkeit von .sauren Anthrachinonfarbstof stoffe von der allgemeinen Zusammensetzung worin X OH, NH, oder durch Kohlenwasserstoffreste, die gegebenenfalls, eine Sulfonsäuregruppe tragen können, substituiertes NH.., Y Wasserstoff oder Alkyl Es lösen sich in rooo Teilen kochendem Wasser Natriumsalz ! Lithiumsalz 5o Teile ioo Teile 25 Teile . i 4o Teile Lithiumhydroxyd; sie kann aber auch nach jeder anderen üblichen Salzbildungsmethode, z. B. durch doppelte Umsetzung, erfolgen. und Z Wasserstoff, Alkyl oder Halogen bedeuten, nach den üblichen Methoden der Salzbildung in, die Lithiumsalze überführt. undClaim to the patent: Process for improving or solving = fen, characterized in that one color of .sauren anthraquinone dyes from the general composition in which X is OH, NH, or NH substituted by hydrocarbon radicals which may optionally carry a sulfonic acid group, Y is hydrogen or alkyl. The sodium salt dissolves in rooo parts of boiling water! Lithium salt 50 parts 100 parts 25 parts. i 40 parts of lithium hydroxide; but it can also be used by any other conventional salt formation method, e.g. B. by double implementation. and Z denotes hydrogen, alkyl or halogen, converted into the lithium salts by the customary methods of salt formation. and
DES136894D 1938-04-29 1939-04-29 Process for improving the solubility of acidic anthraquinone dyes Expired DE717163C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH717163X 1938-04-29

Publications (1)

Publication Number Publication Date
DE717163C true DE717163C (en) 1942-02-10

Family

ID=4531224

Family Applications (1)

Application Number Title Priority Date Filing Date
DES136894D Expired DE717163C (en) 1938-04-29 1939-04-29 Process for improving the solubility of acidic anthraquinone dyes

Country Status (1)

Country Link
DE (1) DE717163C (en)

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