| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a maintenance liquid having high washability and hardly causing a decrease in the curability of an ultraviolet curable composition after washing.SOLUTION: A maintenance liquid contains a polymerizable compound having a saturation solubility at 20°C of an acylphosphine oxide-based photopolymerization initiator of 5.0 mass% or more, and is used for the maintenance of a device provided with a discharge head for discharging toward an object to be applied an ultraviolet curable composition containing an acylphosphine oxide-based photopolymerization initiator.</p> |
