| 摘要 |
<p>Present invention relates to an inkjet ink used for a polyvinyl chloride resin sheet, wherein the inkjet ink comprises an organic solvent, a pigment and a vinyl chloride-vinyl acetate resin, the organic solvent is a mixed solvent comprising at least one compound selected from the group consisting of compounds represented by a formula (1) and compounds represented by a formula (2), together with a lactone compound, and the quantity of the lactone compound is within a range from 1 to 40% by weight relative to the total weight of the ink.
[Formula 1]
€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒCH 3 CO (OR 1 ) m OR 2 €ƒ€ƒ€ƒ€ƒ€ƒ(1)
(wherein, R 1 represents an ethylene group or propylene group, R 2 represents an alkyl group of 1 to 4 carbon atoms, and m represents an integer from 1 to 3)
[Formula 2]
€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒCH 3 CH (OH) COOR 3 €ƒ€ƒ€ƒ€ƒ€ƒ(2)
(wherein, R 3 represents an alkyl group of 1 to 8 carbon atoms)</p> |
