A novel polymer having high glass transition temperature and an excellent balance between heat resistance, high refractive index and mechanical properties, and a composition and molded article containing the polymer are provided. The polymer according to the invention has a first structural unit represented by at least one of formulae (1-1), (1-2) and (1-3) below and a second structural unit having either a secondary amino structure or a tertiary amino structure at two or more terminals.
本发明提供了一种具有高
玻璃化转变温度,并在耐热性、高折射率和机械性能之间取得极佳平衡的新型聚合物,以及含有该聚合物的组合物和模塑制品。根据本发明的聚合物具有由以下式(1-1)、(1-2)和(1-3)中至少一个式子表示的第一结构单元,以及在两个或多个末端具有仲
氨基结构或叔
氨基结构的第二结构单元。