| 摘要 |
PROBLEM TO BE SOLVED: To provide a photocurable resin composition for optical three-dimensional forming, which can be suitable used for providing a cured product (three-dimensionally formed product) excellent in rigidity, impact resistance, toughness and the like. SOLUTION: The photocurable resin composition comprises (A) 3-40 mass% of a cationically polymerizable compound having two or more bisphenol structures and one or more hydroxy groups, (B) 20-85 mass% of a cationically polymerizable compound except the component (A), (C) 0.1-10 mass% of a cationic photopolymerization initiator, (D) 3-45 mass% of a radically polymerizable compound and (E) 0.01-10 mass% of a radical photopolymerization initiator, based on 100 mass% of the whole amount of the composition. The composition may further contain (F) elastomer particles having 10-700 nm average particle diameter and (G) a polyether polyol. COPYRIGHT: (C)2009,JPO&INPIT
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