Mixtures of monoazo dyes: dicyano-nitrobenzene azo compounds
AssigneeCassella Aktiengesellschaft
InventorsHirotsugu Tsumura, Ulrich Buhler, Reinhard Kuhn, Margareta Boos
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Abstract
The invention relates to mixtures of monoazo dyes, which are characterized in that they consist of one or more dyes of the general formula I ##STR1## and one or more dyes of the general formula II ##STR2## where R.sup.1 is methyl, ethyl, n-propyl or i-propyl, R.sup.2 is ethyl or n-propyl, m is 2 or 3 and n is 1 or 2, with the proviso that m+n is 4, processes for preparing same and the use thereof for dyeing and printing hydrophobic fibre materials and blends thereof with natural fibre materials.
Claims8
Mixtures of monoazo dyes comprising one or more dyes of the general formula I ##STR11## and one or more dyes of the general formula II ##STR12## where R.sup.1 is methyl, ethyl, n-propyl or i-propyl,
- R.sup.2 is ethyl or n-propyl,
- m is 2 or 3 and
- n is 1 or 2, with the proviso that m+n is 4.
Dependencies are inferred from the claim text.