| abstract |
The present invention provides a novel polymer with high glass transition temperature, excellent heat resistance, high refractive index, and mechanical properties, and a composition and a molded body using the polymer. The polymer of the present invention is characterized by having a first structural unit represented by at least one of the following formula (1-1), formula (1-2), and formula (1-3); and two or more locations The terminal has a second structural unit in any one of a secondary amine structure and a tertiary amine structure. |