Patent ID: 8383295
Filing Date: 2013-02-26
Classification: C08G,G03H,G11B

Abstract:
1. A composition for a holographic recording medium comprising: a (meth)acrylic acid ester group-containing polymerizable substance represented by the following chemical formula (I) an alicyclic epoxy group-containing cationically polymerizable substance of which ring openly polymerizes by heat, and a hydroxyl group-containing substance which reacts with the alicyclic epoxy group-containing cationically polymerizable substance and which is represented by the following chemical formula in the chemical formula (III) n1 to n4 are a number of 0 to 4 each, n2+n4 is a number of 0 to 10, and wherein v2 and v3 are the same or different and are a number of 0 to 1 each.