| 摘要 |
PROBLEM TO BE SOLVED: To provide a composition for a hologram recording medium which is excellent in recording characteristics, has little change in recording characteristics due to storage, and is excellent in storage stability, and to provide a hologram recording medium using the same.SOLUTION: A composition for a hologram recording medium is obtained by using: compound having an isocyanate group; compound having an isocyanate-reactive functional group; a polymerizable monomer; a photopolymerization initiator; and a rare earth-based catalyst. |
