| abstract |
A radiation curable inkjet ink containing at least one or two compounds selected from the group consisting of polymerizable compounds, amine synergists and Norrish type II photoinitiators, the polymerizable compounds comprising vinyl ether groups or vinyl amide group, the amine synergist includes an alkanolamine group or a dimethylbenzoate group, and the Norrish II type photoinitiator includes a thioxanthone group, a benzophenone group groups, ketocoumarin groups, and photoinitiating moieties of camphorquinone groups; and singlet oxygen quenchers, including at least one specific amino-thioether group. |