| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an aqueous ink composition capable of being used for inkjet recording and writing goods, having such a black color as to be neutral in color tones and high in print density, excellent in resistance to ozone gas, light resistance, moisture resistance, and color rendering properties, and having good storage stability as a recording liquid. <P>SOLUTION: This aqueous ink composition contains a water-soluble black dye (A) having ozone resistance and a condensation compound (B) of 4,4'-dinitrostilbene-2,2'-disulfonic acid or its salt with aminobenzenes, and/or its reductnat (C). <P>COPYRIGHT: (C)2005,JPO&NCIPI |
