| 摘要 |
PROBLEM TO BE SOLVED: To provide a novel urethane (meth)acrylate having a fluorene skeleton excellent in heat resistance and the like.SOLUTION: The urethane (meth)acrylate is obtained using as reaction components a compound having a specific fluorene skeleton [for example, 9,9-bis(mono- or di-Calkyl-hydroxy(poly)Calkoxyphenyl)fluorene, 9,9-bis(mono- or di-Caryl-hydroxy(poly)Calkoxyphenyl)fluorene, 9,9-bis(hydroxyl(poly)Calkoxynaphthyl)fluorene, and the like], a polyisocyanate compound, an a (meth)acrylic compound having a reactive group with an isocyanate group (for example, a hydroxyalkyl (meth)acrylate and the like). |
