| 摘要 |
<p>PURPOSE:To obtain a recording liquid, containing a mixture containing specific five kinds of dyes and a solvent, capable of providing recorded images having excellent light and water resistance, even in recording on ordinary paper and useful for ink jet recording, writing utensils, etc. CONSTITUTION:The aimed recording liquid containing respective dyes expressed by formulas I-V (X is lower alkyl, carbonyl, lower alkoxycarbonyl, lower alkylsulfonyl, arylsulfonyl, diaminotriazinyl or aminocarbonyl; R<1> and R<2> are OH or amino; M is H, alkaline metal, ammonium or amines) and a solvent. Furthermore, the blending ratio of such dyes is preferably as follows. 5-20wt.% dye expressed by formula I, 20-50wt.% dye expressed by formula II, 5-30wt.% dye expressed by formula III, 5-25wt.% dye expressed by formula IV and 5-30wt.% dye expressed by formula V.</p> |
