| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an inkjet ink that excels in health and safety, and has excellent adhesion to a polyvinyl chloride resin sheet. <P>SOLUTION: The inkjet ink for a polyvinyl chloride resin sheet comprises an organic solvent, a pigment, and a vinyl chloride/vinyl acetate resin, and is characterized in that the organic solvent is a mixed solvent containing both at least one compound selected from among the compounds represented by the following general formulae (1) and (2) and a lactone, and the lactone is contained in an amount of 1 to 40 wt.% based on the whole ink: CH<SB POS="POST">3</SB>CO(OR<SB POS="POST">1</SB>)<SB POS="POST">m</SB>OR<SB POS="POST">2</SB>(1) (wherein R<SB POS="POST">1</SB>is ethylene or propylene; R<SB POS="POST">2</SB>is alkyl having 1 to 4 carbon atoms; and m is an integer of 1 to 3), CH<SB POS="POST">3</SB>CH<SB POS="POST">2</SB>(OH)COOR<SB POS="POST">3</SB>(2) (wherein R<SB POS="POST">3</SB>is alkyl having 1 to 8 carbon atoms). <P>COPYRIGHT: (C)2013,JPO&INPIT |
