申请人:Hokazono Hirohisa
公开号:US20060232735A1
公开(公告)日:2006-10-19
A plastic film comprising a multi-layer structure obtained by co-casting film formation or sequential-casting film formation of two or more layers of polyarylate having a glass transition temperature of 250° C. or higher and having a chemical structure represented by the following formula:
wherein X represents a linking group having a naphthalene or biphenyl structure and A is represented by the following formula:
wherein R
1
and R
2
represent an alkyl group or aryl group, j and k are an integer of from 0 to 4.
一种塑料薄膜,其多层结构是由两层或多层玻璃化温度为 250℃或更高的聚芳酯通过共铸成膜或连续铸膜获得的,其化学结构如下式所示:
其中 X 代表具有萘或联苯结构的连接基团,A 由下式表示:
其中 R
1
和 R
2
代表烷基或芳基,j 和 k 是 0 至 4 的整数。