Mixtures of Reactive Dyes and Their Use in a Method for Trichromatic Dyeing or Printing
申请人:Sire Jean-Marie
公开号:US20080256726A1
公开(公告)日:2008-10-23
Dye mixtures, comprising at least one dye of formula
and at least one dye from the group of formulae
wherein
B
1
, B
2
and B
3
are each independently of the others an organic bridging member,
Q
1
is C
1
-C
4
alkyl, halogen or a radical —SO
2
-Z,
Q
2
and Q
3
are each independently of the other C
1
-C
4
alkoxy,
Q
4
is C
1
-C
4
alkoxy, C
1
-C
4
alkyl, halogen or sulfo
Q
5
is C
1
-C
4
alkoxy, C
1
-C
4
alkyl, C
1
-C
4
alkanoylamino, ureido, halogen or sulfo,
R
1
, R
2
, R
3
, R
4
, R
5
, R
6
, R
7
, R
8
and R
9
are each independently of the others hydrogen or unsubstituted or substituted C
1
-C
4
alkyl,
k and q are each independently of the other the number 0 or 1,
n and p are each independently of the other the number 0, 1 or 2,
m is the number 0, 1, 2 or 3,
t is the number 1, 2 or 3,
X
1
, X
2
, X
3
, X
4
, X
5
and X
6
are each independently of the others halogen, and
T
1
, T
2
and T
3
are each independently of the others a non-fibre-reactive substituent or a fibre-reactive radical of formula
wherein
(R
10
)
0-2
denotes from 0 to 2 identical or different substituents from the group halogen, C
1
-C
4
alkyl, C
1
-C
4
alkoxy and sulfo,
Z is vinyl or a radical —CH
2
—CH
2
—U and U is a group removable under alkaline conditions,
Q is a group —CH(Hal)-CH
2
-Hal or —C(Hal)=CH
2
, and
Hal is halogen, are suitable especially for the dichromatic or trichromatic dyeing or printing of cellulosic fibre materials and yield dyeings or prints having good reproducibility and good all-round fastness properties.