| 摘要 |
<p>PURPOSE:To enable dry-up resistance of be remarkably improved without so much deteriorating other ink performance, by blending two org. solvent having different volatilities with an oil-soluble colorant, an oil-soluble resin and a phosphate surfactant. CONSTITUTION:This oil-based ink compsn. contains two org. solvent (A) of different volatilities, an oil-soluble colorant (B), an oil-soluble resin (C) and a phosphate surface (D). The org-solvents (A) are used in such a combination that the surfactant (D) is soluble in one org. solvent having higher volatility, while it is substantially insoluble in the other solvent having lower volatility. Preferred examples of the combination of the org. solvents are those of Cellosolve solvents with arom. hydrocarbon solvents.</p> |
