It is disclosed that in ink for ink jet recording, containing at least a water-insoluble coloring matter, water and a resin as main components to form an emulsion, anthraquinone compounds represented by at least the following the formula (1)
1
especially those in which X is an oxygen atom, R
1
is represented by the formula (2)
2
and further R
8
is —NR
12
R
13
, are useful as coloring matters excellent in water resistance and also in light fastness and compatibility with a resin and that ink for ink jet recording using the same and exhibiting excellent performances in light fastness and storage stability, especially as ink of an ink jet recording system, can forma high-quality, unblotted image, a recorded image having also excellent property in water resistance.
本发明涉及一种墨
水喷射记录用墨
水,其包含至少一种
水不溶性
着色剂、
水和
树脂作为主要组成部分形成乳液,其中所述
着色剂为至少以下式(1)所表示的
蒽醌化合物1,特别是其中X为氧原子,R1为式(2)所表示的基团2,进一步地,R8为—NR12R13,这些
着色剂不仅具有优异的耐
水性、耐光性和与
树脂的相容性,而且使用该墨
水喷射记录的墨
水表现出优异的耐光性和储存稳定性,特别是作为喷墨记录系统的墨
水,能够形成高质量、无污点的图像,记录的图像也具有优异的耐
水性。