申请人:Christnacher Hubert Jean Luc
公开号:US20100154145A1
公开(公告)日:2010-06-24
Reactive dyes of formula
wherein
B is an aliphatic bridging member,
R
1
is C
1
-C
4
alkyl, halogen or an —SO
2
—Z radical,
R
2
and R
3
are each independently of the other C
1
-C
4
alkoxy,
R
4
, R
5
and R
6
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,
p is the number 0, 1 or 2,
X
1
and X
2
are each independently of the other halogen, and
T is halogen, a non-fibre-reactive substituent or a fibre-reactive radical of formula
wherein
(R
7
)
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 —CH
2
—CH
2
—U radical and U is a group that is removable under alkaline conditions,
Q is a —CH(Hal)-CH
2
-Hal or —C(Hal)=CH
2
group and
Hal is halogen, or
T is a radical of formula
wherein
R
1
, R
2
, R
3
, R
4
, k, p and q each have the definitions given above, are suitable especially for dyeing cotton and yield dyeings having good all-round fastness properties.