| 摘要 |
<p>An energy ray-hardenable composition comprising a cation-polymerizable substance and an effective amount of an onium salt of a Lewis acid represented by formula (I), wherein X represents a sulfonio group of formula (II), wherein at least one of R1 to R10 represents either (A) a C1-18 aliphatic group having at least one hydroxy group or (B) a C3-19 aliphatic group containing a group of -OCH2CH2O-.</p> |
