| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an ink composition capable of curing with high sensitivity and forming a cured film excellent in solvent resistance. <P>SOLUTION: The ink composition comprises (a) a photo-acid generator comprising a triarylsulfonium cation having at least one aryl group having an electron-withdrawing group having a Hammett σ value of ≥+0.1 as a substituent and an anion having an Rf-P bond (wherein Rf is a fluoroalkyl group containing one or more fluorine atoms; and P is a phosphorus atom), (b) a cationically polymerizable compound, (c) a sensitizing dye and (d) a colorant. <P>COPYRIGHT: (C)2011,JPO&INPIT |
