| 摘要 |
PROBLEM TO BE SOLVED: To provide an off-set ink composition which is excellent in flowability and temporal stability of the ink and emulsion stability in printing and a print using it.SOLUTION: An off-set printing ink comprises amorphous silica, rosin-modified phenol resin, a plant oil, a petroleum solvent and a pigment and is characterized by containing 0.1-5 wt.%, relative to the total weight of the ink, of a synthetic amorphous silica having a specified particle size and a specific BET specific surface area. |
