申请人:IDEMITSU KOSAN COMPANY LIMITED
公开号:EP0329991A1
公开(公告)日:1989-08-30
An aromatic polycarbonate film formed from a polycarbonate comprising the repeating units represented by the following general formula (I):
wherein
R¹ is
-O- , -S- , -SO₂- or a direct bond, R² and R³ being independently selected from the group consisting of hydrogen atom, alkyl radicals of 1 to 6 carbon atoms or phenyl radical, n being selected from integers having a value of from 2 to 10, p being selected from integers having a value of from 4 to 10, and
each X is independently phenyl radical or cyclohexyl radical
has low moisture permeability, high surface hardness and excels in heat resistance and mechanical properties.
一种芳香族聚碳酸酯薄膜,由包含以下通式(I)所代表的重复单元的聚碳酸酯形成:
其中
R¹ 是
-O-、-S-、-SO₂- 或直接键,R² 和 R³ 独立地选自氢原子、1 至 6 个碳原子的烷基或苯基,n 选自 2 至 10 的整数,p 选自 4 至 10 的整数,以及
每个 X 独立地为苯基或环己基
透湿性低,表面硬度高,耐热性和机械性能优异。