DE134962C

DE134962C -

Info

Publication number: DE134962C
Application number: DENDAT134962D
Authority: DE

Description

Example.

10 kg Baumwolle, die mit 10 pCt. des aus ο »p-Dinitro-p ^oxydiphenylamin nach dem Verfahren der Patentschrift 103861 erhaltenen Farbstoffs angefärbt und in üblicher Weise mit 3 pCt. Kaliumbichromat nachchromirt ist, wird nach dem Verfahren der Patentschrift 134176 in einer mit 4 pCt. Phenylbenzyldimethylammoniumchlorid und 5 pCt. Natronlauge von 40⁰B. beschickten Flotte 1 Stunde bei ca. 80 ° nachbehandelt. Es resultirt ein Blau, das rothstichiger ist, als das Blau, das nach dem Verfahren der Patentschrift 134176 durch Nachbehandeln der nicht nachchromirten Färbung erhalten ist.10 kg of cotton with 10 pCt. of the dye obtained from ο »p-dinitro-p ^ oxydiphenylamine by the process of patent specification 103861 and colored in the usual way with 3 pCt. Potassium bichromate is after-chromated, according to the method of the patent specification 134176 in a with 4 pCt. Phenylbenzyldimethylammonium chloride and 5 pCt. Sodium hydroxide solution from 40 ⁰ B. charged liquor aftertreated at about 80 ° for 1 hour. The result is a blue that is more reddish than the blue obtained by treating the color which has not been chromed after the process of patent specification 134176.

Eine ähnliche Nuance erhält man, wenn man an Stelle der chromirten Färbung die gedämpfte Färbung benutzt und nach dem Verfahren des Hauptpatentes mit Dimethylsulfat alkylirt.A similar shade is obtained if, instead of the chromed color, the Muted coloring used and according to the process of the main patent with dimethyl sulfate alkylated.

Ersetzt man in obigem Beispiel die dort benutzte Färbung durch eine nachchromirte Färbung von Vidalschwarz, so erhält man ein ziemlich stumpfes, grünstichiges Blau.If, in the above example, the coloring used there is replaced by a chromium-plated coloring from Vidalschwarz, the result is a rather dull, greenish blue.

Pate nt-A ν Spruch:Godfather nt-A ν saying:

Abänderung des durch Patent 131758 und Zusatzpatent 134176 geschützten Verfahrens zur Darstellung von Substitutionsproducten der Schwefelfarbstoffe, darin bestehend, -dafs statt der Leukoverbindungen die auf der Faser erzeugten Oxydationsproducte der Schwefelfarbstoffe der Einwirkung von Alkylirungsmittelii unterworfen werden.Modification of the patent 131758 and Additional patent 134176 protected process for the representation of substitution products of the Sulfur dyes, consisting of them, - instead of the leuco compounds, those produced on the fiber Oxidation products of sulfur dyes from the action of alkylating agentsii be subjected.

*) Frühere Zusatz-Patente: 134176, 134177.*) Previous additional patents: 134176, 134177.

Claims

IMPERIAL

PATENT OFFICE.

ΛΙ 134962 CLASS 22 d.

In the patent specification 131758 attention is drawn to the fact that the so-called. Sulfur dyes have an extraordinary reactivity towards alkylating agents and under the influence of these substances in new substitution products pass over from valuable properties.

It has now been found that this reactivity is not confined to the leuco compounds is peculiar, as it is found in the dyes on the market, the raw melts, are contained, but can also be observed in the oxidation products of the sulfur dyes is that one z. B. can produce by hanging the damp colorations, by steaming or by Nachchromiren.

The colorations obtainable by alkylating these oxidation products have almost throughout, somewhat different nuances from those obtainable by alkylating the direct stains are.

The process of alkylation is carried out in exactly the same way as for the Procedure of the main patent and the additional patent 134176 is indicated.