申请人:NIPPON KAYAKU KABUSHIKI KAISHA
公开号:EP1645598A1
公开(公告)日:2006-04-12
Problems
The present invention provides an ink composition which, when applied as an ink-jet recording solution to plain paper and processed glossy paper, assumes vivid yellow color and gives printed material excellent in light fastness, gas fastness and moisture fastness.
Means for solving the problems
Ink-jet printing with an ink-jet ink composition containing a disazo compound represented by the following formula (1) can give a vivid yellow-colored product excellent in light fastness, gas fastness and moisture fastness
(in the formula (1), X represents specific diamine residue; and Y1 and Y2 each represent an alkylamino group substituted with a sulfonic acid group and/or a carboxyl group, a phenoxy group substituted with a sulfonic acid group and/or a carboxyl group and an anilino group substituted with a sulfonic acid group and/or a carboxyl group).
问题:本发明提供了一种油墨组合物,当应用为喷墨记录溶液到普通纸和处理过的光面纸上时,呈现出鲜艳的黄色,并且给印刷材料具有良好的耐光性、耐气性和耐湿性。解决问题的方法:使用含有以下式(1)所代表的二氮烯化合物的喷墨油墨组合物进行喷墨印刷,可以得到一种鲜艳的黄色产品,具有良好的耐光性、耐气性和耐湿性(在式(1)中,X代表特定的二胺残基;Y1和Y2分别表示被磺酸基和/或羧基取代的烷基胺基、被磺酸基和/或羧基取代的苯氧基和/或被磺酸基和/或羧基取代的苯胺基)。