| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide an optical element having excellent moldability, workability, flexibility, lightweight performance, thin film formability and handleability. SOLUTION: The optical element contains a copolymer of lactic acid and a (co)polymerizable polyfunctional compound other than lactic acid. Since the optical element has the excellent moldability, workability, flexibility, lightweight performance, thin film formability and handleability, the optical element can widely be used in various fields.</p> |
