| 摘要 |
PURPOSE:To prevent blurring to non-image parts or damaging of the surface of a plate material from occurring and easily obtain a beautiful printed matter, by constituting the titled liquid of a non-protonic polar solvent and an alcohol. CONSTITUTION:A non-protonic polar solvent which is a good solvent for a toner is combined with an alcohol which is a poor solvent for the toner. The non-protonic solvent preferably has a dielectric constant epsilon of not less than 10 and a solubility parameter delta of not less than 10, and may be acetonitrile, dimethylformamide or the like. Although the non-protonic solvent is able to instantaneously dissolve the toner, if it is solely used, blurring to the non-image part will occur. By adding the alcohol to the non-protonic solvent, the blurring to the non-image parts can be prevented from occurring, while substantially retaining the toner-dissolving capability. An alcohol of the general formula R-OH, wherein R is 1-8C alkyl, is used. |
