Provided is a maintenance liquid for inkjet printers, which comprises at least one of glycol ethers and glycol esters represented by the following general formulas (1) to (3), and 45 to 10 mg/L of dissolved oxygen:
General formula (1) R1CO(OR2)xOR3
General formula (2) R4CO(OR5)YOCOR6
General formula (3) R7(OR8)ZOR9
wherein R2, R5, and R8 each independently represent an ethylene group or a propylene group, R1, R3, R4, and R6 each independently represent an alkyl group having 1 to 4 carbon atoms, R7 and R9 each independently represent a hydrogen atom or an alkyl group having 1 to 4 carbon atoms, and X, Y, and Z each independently represent an integer of 1 to 4.
本发明提供了一种喷墨打印机维护液,它包含由以下通式(1)至(3)代表的
乙二醇醚和
乙二醇酯中的至少一种,以及 45 至 10 mg/L 的溶解
氧:
通式 (1) R1CO(OR2)xOR3
通式 (2) R4CO(OR5)YOCOR6
通式 (3) R7(OR8)ZOR9
其中 R2、R5 和 R8 各自独立地代表
乙烯基或
丙烯基,R1、R3、R4 和 R6 各自独立地代表具有 1 至 4 个
碳原子的烷基,R7 和 R9 各自独立地代表
氢原子或具有 1 至 4 个
碳原子的烷基,X、Y 和 Z 各自独立地代表 1 至 4 的整数。