申请人:Everlight USA, Inc.
公开号:EP1930379A3
公开(公告)日:2009-07-29
The present invention provides a reactive red dye composition comprising (A) 3% to 97% by weight of a reactive azo dye of the following formula (I),
wherein W, D1 and D2 are defined the same as the specification; and (B) 97% to 3% by weight of a reactive azo dye of the following formula (II),
wherein R, X, Z, D3 and D4 are defined the same as the specification. The reactive red dye composition of the present invention can be utilized to dye cellulose fibers. The cellulose fibers dyed by the reactive red dye composition obtain not only good build-up and level dyeing properties but also an excellent property of white discharging.
本发明提供了一种反应性红色染料组合物,包括(A)以下式(I)的反应性偶氮染料,其重量百分比为3%至97%,其中W,D1和D2与说明书中定义相同;以及(B)以下式(II)的反应性偶氮染料,其重量百分比为97%至3%,其中R,X,Z,D3和D4与说明书中定义相同。本发明的反应性红色染料组合物可用于染色纤维素纤维。使用本发明的反应性红色染料组合物染色的纤维素纤维不仅具有良好的建立和均匀染色性能,而且具有出色的白色排放性能。