| 摘要 |
<p>PURPOSE:To enable effective repair of patterns in very small parts by constituting the above liquid of a coloring material, a binder consisting of polyvinyl alcohol (PVA), a drying restrainer, a viscosity control agent, a defoaming agent, and a proper volume of aq. solvent. CONSTITUTION:This retouching liquid is constituted of coloring material, a binder consisting of the PVA, a drying restrainer, a viscosity control agent, a defoaming agent, and a proper volume of an aq. solvent as diluent. Namely, the viscosity of the retouching liquid is increased and the surface tension is properly lowered by incorporating the viscosity control agent and the drying restrainer into this liquid. In addition, drying is properly delayed. Then, the wetting with the patterns to be repaired is improved and the build-up of the retouching liquid stuck to the repaired parts decreases. The pinholes and chipped parts of the fine colored patterns are relatively flatly and well repaired in this way.</p> |
