Mixtures of Reactive Dyes and Their Use in a Method of Di- or Trichromatic Dyeing or Printing
申请人:HUNTSMAN ADVANCED MATERIALS (SWITZERLAND) GMBH
公开号:US20150354134A1
公开(公告)日:2015-12-10
A dye mixture, comprising at least one blue dyeing dye of the formula (1), wherein Q
1
represents a bivalent radical of formula (4a), (4b) or (4c), wherein X
1
denotes chlorine or fluorine, R
1
is hydrogen or C
1
-C
8
alkyl, R
2
is hydrogen, C
1
-C
8
alkyl, C
1
-C
4
alkoxy or sulfo, Y
1
is vinyl or a radical —CH
2
—CH
2
—U and U is a leaving group removable under alkaline conditions, R
3
is hydrogen or C
1
-C
8
alkyl that is unsubstituted or substituted by hydroxy, sulfo, sulfato, cyano, carboxy, C
1
-C
4
alkoxy or phenyl, r and s are each independently of the other the number 0 or 1, and t is the number 0, 1 or 2, and the sum of r, s and t is 2 or 3 and at least one yellow or red dyeing reactive dye is suitable especially for the dichromatic or trichromatic dyeing or printing of natural or synthetic polyamide fibre materials and yield dyeings or prints having good reproducibility and good all-round fastness properties.