abstract |
The present invention relates to a methacrylic resin, a molded body, and optical parts or automotive parts. The methacrylic resin is characterized in that it has a ring structure in the main chain, and the glass transition temperature exceeds 120°C and is Below 160°C, the sign of alignment birefringence when aligned with a degree of alignment of 0.03 is different from the sign of aligned birefringence when aligned with a degree of alignment of 0.08. |