| 摘要 |
<p>PURPOSE:To provide a water-based ink containing a specific water-soluble dye, having excellent clarity of the recorded image, dryability, water-resistance, light- resistance, storage stability, jet stability and jet response, and suitable for inkjet recording, full-color printer, etc. CONSTITUTION:The objective ink contains the water-soluble dye of formula I [X is CH2, -CO-, -O-, -S-, or -SO2-; R1 is OH or (substituted)amino; R2 is OH; l is 0 or 1; R3 and R4 are H, OH, alkyl, alkoxy, halogen, cyano, COOH or SO3H; m and n are 0-3; M is cation such as H, Li, Na, K, organic amino, etc.; q is 1-3] (e.g. the compound of formula II, etc.).</p> |
