| 摘要 |
The invention provides a coating tool in which an oily ink and a backflow inhibiting material contacting with said ink are contained, wherein the above mentioned ink containment tube has a boundary which contacts with said oily ink and said backflow inhibiting material, the above mentioned oily ink contains polyvinyl alcohol and fluorine-based surfactants said boundary contains polyvinyl alcohol and fluorine-based surfactants, said oily ink contains a colorant, a resin, an organic solvent, and a gelling agent, and at least an organic solvent among aliphatic hydrocarbon-based solvent or an alicyclic hydrocarbon-based solvent is contained as said organic solvent, and a metal soap is contained as said gelling agent, and said backflow inhibiting material consists of base material components and a gelling agent which contains polyacrylic acid, and the above mentioned plyacrylic acid is contained in 0.1 to 3 wt % with respect to the total amount of said backflow inhibiting material.
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