Reactive dyestuff mixture having improved properties in combination
AssigneeBayer Aktiengesellschaft
InventorsMax Schwarz, Joachim Grutze, Dietrich Hildebrand, Joachim Wolff, Frank-Michael Stohr
Life of this patent
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Abstract
An improved reactive dyestuff mixture comprises at least one monochlorotriazine dyestuff 1 and at least one monofluorotriazine dyestuff 2 and/or fluorochloropyrimidine dyestuff 3, and if appropriate additional dyestuffs having the formulae given in the description.
Claims6
Dyestuff mixture of at least two reactive dyestuffs, characterised in that at least one monochlorotriazine dyestuff 1 of the formulae 1.1 to 1.7 ##STR19## and at least one monofluorotriazine dyestuff 2 of the formula 2.1 to 2.7 or fluorochloropyrimidine dyestuff 3 of the formula 3.1 to 3.5 ##STR20## are mixed together, wherein B.sup.1 -B.sup.4 independently of one another denote ##STR21## Q denotes O--CH.sub.3 or H, R.sup.1 denotes --SO.sub.2 --CH.sub.2 --CH.sub.2 OSO.sub.3 H or ##STR22## R.sup.2 denotes --NH--Z, --NH--CH.sub.2 --CH.sub.2 --SO.sub.3 H, ##STR23## R.sup.3 denotes ##STR24## or H.sub.3 CO--, R.sup.4, R.sup.5, R.sup.7, and R.sup.8 are independently of one another denote --NH--Z.sup.1, --NH--CH.sub.2 --CH.sub.2 --SO.sub.3 H, ##STR25## the radicals Z independently of one another denote H or C.sub.2 -C.sub.4 -alkyl,
- the radicals Z.sup.1 independently of one another denote H or C.sub.1 -C.sub.4 -alkyl,
- the radicals V independently of one another denote CONH.sub.2 or COCH.sub.3,
- W.sup.1 denotes ##STR26## W.sup.2 -W.sup.5 independently of one another denote ##STR27## X.sup.1 -X.sup.4 independently of one another denote H or F, Y.sup.1 -Y.sup.3 denote --CONH.sub.2 --, COCH.sub.3 or --(CH.sub.2).sub.m --SO.sub.3 H,
- D.sup.1 and D.sup.2 denote ##STR28## the indices m independently of one another denote 1-4, the indices n independently of one another denote 2-4 and
- the indices p independently of one another denote 1-3.
Dependencies are inferred from the claim text.