Navy and black mixtures, production thereof and use thereof...

Details Navy and black mixtures, production thereof and use thereof... Navy and black mixtures, production thereof and use thereof...

C - Chemistry, Metallurgy

09

B

C09B 67/22 (2006.01) D06P 1/24 (2006.01) D06P 3/60 (2006.01)

Patent

CA 2574884

The invention relates to mixtures of vat dyes for carrying out shade-stable dyeings in navy blue to black tones containing C.l. Vat Black 9 and at least one of the following dyes: C.l. Vat Blue 18, C.l. Vat Blue 19, C.l. Vat Blue 22, C.l. Vat Blue 6 and halogenated 16,17-diethyl-dibenzanthrone derivatives; C.l. Vat Violet 13, C.l. Vat Black 20 and, optionally, a C.l. Vat Black 65. The invention also relates to a method for producing these mixtures by mechanically mixing the constituents, and to their use for carrying out shade- stable dyeing and printing of cellulose material.

L'invention concerne des mélanges de colorants de cuve pour colorations à teintes stables dans les tons bleu marine et noir, contenant C.l. noir d'indanthrène 9 et au moins un des colorants C.l. bleu d'indanthrène 18, C.l. bleu d'indanthrène 19, bleu d'indanthrène 22, C.l. bleu d'indanthrène 6, ainsi que des dérivés de 16,17-diéthyl-dibenzanthrone halogénés, C.l. violet d'indanthrène 13, C.l. noir d'indanthrène 20 et éventuellement un C.l. noir d'indanthrène 65. L'invention concerne également des procédés permettent de les produire par mélange mécanique des constituants et leur utilisation pour colorer et imprimer avec des teintes stables des matériaux à base de cellulose.

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