| 摘要 |
<p>PURPOSE:To obtain the title ink which is excellent in a drying rate and can give a high-quality print irrespectively of the quality of the recording paper by specifying the viscosity of an ink essentially consisting of a specified oil phase component and a specified water phase component and an emulsifier. CONSTITUTION:The title ink essentially consists of an oil phase component based on a nonaqueous organic solvent (e.g. kerosene and tri-n-butyl phosphate), a water phase component based on water and an aqueous dye (e.g. C.I. Direct Black 168) and an emulsifier (e.g. Newcol 80, a product of Nippon Emulsifier Ltd.), wherein the viscosity (at 20 deg.C) is 30mPa.s or below.</p> |
