申请人:IMPERIAL CHEMICAL INDUSTRIES PLC
公开号:EP0348050A1
公开(公告)日:1989-12-27
A colorant free from cellulose reactive groups comprising an anionic dye carrying from 1 to 10 acidic groups and at least one poly(C2-4-alkyleneimine) group containing from 2 to 10 C2-4-alkyleneimine units-. The colorant is adapted for the preparation of aqueous inks for use in the printing of paper to give prints having enhanced water-fastness. The black colorants of this class are especially suitable for use in ink-jet printing inks for the printing of alphanumerics and related symbols from computer output.
一种不含
纤维素活性基团的
着色剂,包含一种带有 1 至 10 个酸性基团的阴离子
染料和至少一个含有 2 至 10 个 C2-4 烷基
亚胺单元的聚 C2-4 烷基
亚胺基团。这种
着色剂适用于制备
水性油墨,用于纸张印刷,使印刷品具有更强的耐
水性。该类黑色
着色剂尤其适用于喷墨打印墨
水,用于打印计算机输出的字母数字和相关符号。