| 摘要 |
<p>PURPOSE:To provide a recording liquid capable of obtaining black, red or yellow recorded materials when recorded on plain paper, excellent in print denseness, light resistance, water resistance and preservability, suitable for ink jet recording etc., containing an aqueous medium and specific coloring matter. CONSTITUTION:The objective recording liquid containing (A) pref. 45-95wt.% of an aqueous medium and (B) pref. 2-4wt.% of at least one kind of coloring matter of formula I [A and A' are each of formula II or III (R<1> and R<2> are each H, methyl, methoxy, ethoxy or acylamino; R<3> is H, CH2COOH or C2H4 COOH; R<4> is CH2COOH or C2H4COOH; R<5> is H or carboxyl); B and D are each (substituted) phenylene] for free acid form.</p> |
