申请人:Lautenbach Holger
公开号:US20050071932A1
公开(公告)日:2005-04-07
The present invention relates storage stable aqueous dye solutions comprising a) 5 to 30% by weight of a dye of the Formula (1) in which K is a residue of a coupling component of the acetoacetanilide, pyridone, pyrazolone or pyrimidine series and M is hydrogen, an alkali metal or alkaline earth metal, ammonium or alkyl ammonium, b) 0.05 to 5% by weight of one or more compounds of the Formula (2) in which A represents —NR
1
R
2
, —NHCOR
1
, —CN, halogen, —NO
2
—OH, —OR
1
, hydrogen, C
1
,-C
4
alkyl, C
2
-C
4
alkenyl, C
2
-C
4
alkynil, —CO
2
M, —CO
2
R
1
or —CONR
1
R
2
, wherein R
1
and R
2
each, independently of one another, represent hydrogen or C
1
-C
4
alkyl and M is as previously defined, or a residue of the Formula (3); X represents O, S or NR
1
, R
1
, being as previously defined; Y represents N or CR
1
, R
1
being as previously defined and P, Q and R each, independently of one another, represent hydrogen, C
1
-C
4
alkyl, —SO
3
M, —PO
3
M, —CO
2
M, —OH, —NO
2
or COR
1
, M and R′
1
being as previously defined, c) an organic or an inorganic base or mixtures thereof, d) if desired, further additives and e) water, a process for their preparation and the use thereof for the dyeing, in particular of paper.
本发明涉及贮存稳定的染料水溶液,该溶液包含 a) 5-30%(重量)的式(1)染料,其中 K 是乙酰乙酰苯胺、吡啶酮、吡唑酮或嘧啶系列偶联组分的残留物,M 是氢、碱金属或碱土金属、铵或烷基铵;b) 0.05-5%(重量)的一种或多种式(2)化合物,其中 A 代表 -NR
1
R
2
,-NHCOR
1
、-CN、卤素、-NO
2
-OH、-OR
1
氢、C
1
,-C
4
烷基、C
2
-C
4
烯基、C
2
-C
4
炔基,-CO
2
M,-CO
2
R
1
或-CONR
1
R
2
其中 R
1
和 R
2
各自独立地代表氢或 C
1
-C
4
烷基,M 如前所定义,或者是式 (3) 的残基;X 代表 O、S 或 NR
1
, R
1
如前定义;Y 代表 N 或 CR
1
, R
1
如前所定义,P、Q 和 R 各自独立地代表氢、C
1
-C
4
烷基、-SO
3
M、-PO
3
M、-CO
2
M、-OH、-NO
2
或 COR
1
,M 和 R′
1
c) 有机或无机碱或它们的混合物,d) 如果需要,其他添加剂,e) 水,它们的制备方法和用于染色,特别是纸张染色的方法。