| 摘要 |
PROBLEM TO BE SOLVED: To provide an oily ink composition which has excellent pen tip drying properties under a low humidity and can perform writing without getting blurred even at a low temperature.SOLUTION: There is provided an oily ink composition which comprises a colorant, an organic solvent and a film forming compound which has a melting point of 20°C or less and is a mixture of one or two or more selected from decaglyceryl tristearate, decaglyceryl pentastearate, a sucrose stearic acid ester and the like and one or two or more selected from decaglyceryl trioleate, decaglyceryl pentaisostearate, decaglyceryl pentaoleate, decaglyceryl heptaoleate, a sucrose erucic acid ester and the like. |
