A composition comprising: (a) a major dye component which is a mixture of copper phthalocyanine dyes of Formula (1):
CuPcβ-(SO
3
M)
x
β-(SO
2
NH
2
)
y
Formula (1)
wherein:
Pc represents a phthalocyanine nucleus of formula;
M is a cation; x and y each independently have an average value of from 0.5 to 3.5; (x+y)=4; and the sulfo and sulfonamide substituents are attached to a β-position on the phthalocyanine ring; and (b) a liquid medium which comprises water and an organic solvent or an organic solvent free from water. Also ink-jet printing processes, printed images, ink-jet printers and ink-jet cartridges.
一种组合物,包括:(a)主要
染料成分,它是式(1)
铜酞菁染料的混合物:
CuPcβ-(SO
3
M)
x
β-(SO
2
NH
2
)
y
式(1)
其中
Pc 代表式中的
酞菁核;
M 是阳离子; x 和 y 各自独立的平均值为 0.5 至 3.5; (x+y)=4; 磺和磺酰胺取代基连接到
酞菁环上的β位;以及 (b) 液体介质,包括
水和有机溶剂或不含
水的有机溶剂。还有喷墨打印工艺、打印图像、喷墨打印机和喷墨墨盒。