申请人:MITSUI TOATSU CHEMICALS, INCORPORATED
公开号:EP0826717A1
公开(公告)日:1998-03-04
There is disclosed an organic optical component prepared from a resin essentially comprising one or more repetitive structural units selected from the group consisting of structures represented by general formula (1);
wherein A is either of the groups below.
This invention provides an organic optical component with excellent transparency, heat resistance and mechanical strength as well as a low birefringence. This invention also provides a novel aromatic polyamide with a low permitivity and excellent transparency, processability and thermal stability, besides excellent heat resistance inherent in an aromatic polyamide.
本发明公开了一种有机光学元件,由基本上包含一个或多个重复结构单元的树脂制备而成,这些重复结构单元选自由通式(1)所代表的结构组成的组;
其中 A 为以下任一基团。
本发明提供了一种具有优异透明度、耐热性和机械强度以及低双折射的有机光学元件。本发明还提供了一种新型的芳香族聚酰胺,除了具有芳香族聚酰胺固有的优异耐热性外,还具有较低的容许率和优异的透明度、加工性和热稳定性。