申请人:MITSUBISHI RAYON CO., LTD.
公开号:EP0302516A2
公开(公告)日:1989-02-08
An optical article such as optical disk and optical lens, made of an amorphous thermoplastic polyester resin comprised of recurring units, each recurring unit having an aromatic ring in the main chain thereof and an aromatic ring in the side chain thereof. The optical article have a good heat resistance, resistance to absorption of moisture and optical characteristics.
一种光学产品,如光盘和光学镜片,由无定形热塑性聚酯树脂制成,该树脂由循环单元组成,每个循环单元的主链上有一个芳香环,侧链上有一个芳香环。这种光学产品具有良好的耐热性、抗吸湿性和光学特性。