| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an active energy ray-curable resin composition which can form a film excellent in transparency, flexibility and water vapor barrier properties and having extremely low heat shrinkage. <P>SOLUTION: The active energy ray-curable resin composition comprises a urethane acrylate oligomer (A) prepared by reacting a polycarbonate-diol having a hydroxyl value of 100-500 mg KOH/g and/or a polyalkyldiol having a hydroxyl value of 100-1,810 mg KOH/g (a1), an aliphatic diisocyanate (a2), and a hydroxy (meth)acrylate (a3) in a ratio of the hydroxyl group of the component (a1)/the isocyanate group of the component (a2) (equivalent ratio) of 0.6-0.9, and a monomer (B) having an aliphatic cyclic structure and/or an aromatic cyclic structure and one (meth)acryloyl group in a molecule, wherein the compositional ratio [(A)/(A+B)] is 0.3-0.6. <P>COPYRIGHT: (C)2006,JPO&NCIPI |
