Water-soluble fiber-reactive dyes, preparation thereof and...

C - Chemistry – Metallurgy – 09 – B

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C09B 62/515 (2006.01)

Patent

CA 2416689

Dyes of the general formula (1): (see formula 1) where M is hydrogen, alkali, ammonium or the equivalent of an alkaline earth metal ion, X is halogen, alkoxy or an N-containing heterocycle, Q is a grouping of the formula (e) where Y is vinyl or an alkali-eliminable grouping and W is alkyl which may be interrupted by an O or an NR group (see formula e) and the radicals R1 and R2 represent alkyl, alkoxy, alkylcarbonylamino, arylcarbonylamino, and also the radicals R3 and R4 are alkyl or hydrogen, their preparation and their use for dyeing and printing hydroxyl- and/or carboxamido-containing material, preferably fiber material.

Colorants de formule générale (1) dans laquelle M représente hydrogène, alcali, ammonium ou l'équivalent d'un ion alcalino-terreux, X représente halogène, alcoxy ou un hétérocycle contenant N, Q représente un groupement de formule (e) dans laquelle Y représente vinyle ou un groupement pouvant être éliminé par l'action d'alcali et W représente alkyle qui peut être interrompu par un groupe O ou NR, et les restes R<1> et R<2> représentent alkyle, alcoxy, alkylcarbonylamino, arylcarbonylamino et les restes R<3> et R<4> représentent alkyle ou hydrogène. La présente invention concerne également la préparation desdits colorants et leur utilisation pour teindre ou imprimer une matière contenant des groupes hydroxy et / ou carbonamide, de préférence une matière à fibres.

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doesn't stain laundry

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