| 摘要 |
PROBLEM TO BE SOLVED: To provide a photocationically polymerizable composition to be used in applications demanding transparency, excellent in curability on being irradiated with light, and giving a cured product of high light resistance and weatherability. SOLUTION: The photocationically polymerizable composition comprises an aliphatic multifunctional alicyclic epoxy compound, an aliphatic multifunctional oxetane compound and a photocationic polymerization initiator having a skeleton of the formula (1) (wherein, X is S or I). A coating agent for optical disks using the above composition is also provided. COPYRIGHT: (C)2007,JPO&INPIT
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