| 摘要 |
<p>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:
€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒGeneral formula (1)€ƒ€ƒ€ƒ€ƒ€ƒR 1 CO(OR 2 ) x OR 3
€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒGeneral formula (2)€ƒ€ƒ€ƒ€ƒ€ƒR 4 CO(OR 5 ) Y OCOR 6
€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒGeneral formula (3)€ƒ€ƒ€ƒ€ƒ€ƒR 7 (OR 8 ) Z OR 9
wherein R 2 , R 5 , and R 8 each independently represent an ethylene group or a propylene group, R 1 , R 3 , R 4 , and R 6 each independently represent an alkyl group having 1 to 4 carbon atoms, R 7 and R 9 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.</p> |
