| 摘要 |
<p>PURPOSE:To provide the subject ink composed mainly of a colorant, a peelable resin, an organic solvent and a specific amount of silicon oxide film powder and easily removable when becomes unnecessary. CONSTITUTION:The objective ink contains (A) an inorganic or organic colorant, (B) a peelable resin such as polyvinyl butyral resin, a vinyl chloride/vinyl acetate copolymer resin or a cellulose derivative, (C) an organic solvent dissolving the component B, e.g. alcohols or esters and (D) 1-50wt.% (based on the component B) of silicon oxide fine powder having particle size of <=40mmum (preferably <=16mmum).</p> |
