| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide an ink not suffering from oil separation after a long time and not undergoing blotting in a W/O stencil printing press emulsion ink containing titanium oxide. SOLUTION: In a W/O emulsion ink for stencil printing presses prepared by dispersing at least titanium oxide, a surfactant and water in a mineral oil or a vegetable oil in an oil phase and comprising about 10-90 wt.% oil phase and about 90-10 wt.% water phase, titanium oxide having an oil absorption of 30 ml/100 g or above and desirably having a primary particle diameter of 0.05μm or below is used. It may further contain a polyglycerol fatty acid ester.</p> |
