| abstract |
To provide a solid ink stably dispersed in a low polarity wax and resin used in a solid ink composition. A synergist for a pigment in a solid ink having the formula: In the formula, n is 1, 2, 3 or 4, X represents a metal, ammonium or quaternary ammonium, and R 1 , R 2 and R 3 are independently H, C 1 -C 20 alkyl, C 1 -C 20 alkoxy, represents a halogen. A solid ink comprising a synergist having the above formula. [Selection] Figure 1 |