| 摘要 |
According to one embodiment, an inkjet emulsion ink includes coloring material, an aqueous liquid, an oil liquid, and a polyvinyl alcohol. The aqueous liquid accounts for 10 to 40% by weight of the inkjet emulsion ink, the oil liquid accounts for 60 to 90% by weight of the inkjet emulsion ink. At least a part of the oil liquid is an aromatic alcohol represented by general formula A. The polyvinyl alcohol accounts for 0.1 to 3% by weight of the inkjet emulsion ink and is represented by general formula B. The viscosity of an aqueous solution containing 4% by weight of the polyvinyl alcohol at 20° C. is less than 10 mPa·s. where Ra represents an aliphatic hydrocarbon group having 1 to 5 carbon atoms, Rb represents —O— or —CH2O—, and k represents 0 or 1. where n and m satisfy 0.4≦̸n/(n+m)≦̸0.73.
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