| 摘要 |
PURPOSE:An ultraviolet curing resin composition, containing a specific amount of a compound having an aryl group or specific thiol group, having a high curing rate and capable of giving required physical properties in a very short time. CONSTITUTION:A composition obtained by adding 0.01-5wt% of (A) a compound having an aryl group, e.g. dimethylthiophenol, etc., or (B) a compound having thiol group directly linked to a heterocyclic ring group having aromaticity, e.g. 2-mercaptobenzimidazole, etc., to an ultraviolet curing resin composition consisting of a photopolymerizable compound and photoinitiator.
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