Patent ID: 8383295

Claim:
A composition for a holographic recording medium comprising: a (meth)acrylic acid ester group-containing polymerizable substance represented by the following chemical formula (I) in the chemical formula (I), a1 and a2 are the same or different and are 0 to 6, and a1+a2 is a number of 2 to 6, and R 1 and R 2 are the same or different and are hydrogen atom or methyl group, 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 HO—[(CH 2 ) n1 —O] n2 —Rf—[O—(CH 2 ) n3 ] n4 —OH (III) 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 Rf is a fluorinated substituent-containing group represented by wherein v2 and v3 are the same or different and are a number of 0 to 1 each.