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); ##STR1## wherein A is either of the groups below. ##STR2## 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,其制备材料基本上包括由一种或多种重复结构单元组成的
树脂,所述结构单元选自以下结构的群组中所代表的结构: ##STR1## 其中A是以下两种群组之一: ##STR2## 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率的有机光学元件。此外,本发明还提供了一种新型芳香族聚酰胺,具有低介电常数和优异的透明度、可加工性和热稳定性,以及芳香族聚酰胺固有的优异耐热性。