Polycarbonate composition, write once read many optical disc substrate and write once read many optical disc using same and process for production of write once read many optical disc
申请人:MITSUBISHI CHEMICAL CORPORATION
公开号:US20030153720A1
公开(公告)日:2003-08-14
A polycarbonate composition excellent in both antistatic property and coloring matter coatability containing (a) a polycarbonate obtained by an ester exchange process, and (b) a compound having a molecular weight of from 300 to 8,000 and having any of ester bond, carbonate bond, amide bond and urethane bond in its molecule and an aromatic hydrocarbon group substituted by at least one alkyl group at the molecular end thereof, a write once read many optical disc substrate and a write once read many optical disc using the same and a process for the production of a write once read many optical disc are described.
一种抗静电性能和着色剂涂布性均优异的聚碳酸酯组合物,含有(a)通过酯交换工艺获得的聚碳酸酯,和(b)分子量为300至8000的化合物,其分子中具有酯键、碳酸键、酰胺键和聚氨酯键中的任意一种键,其分子末端具有被至少一个烷基取代的芳香烃基团、所述化合物的分子中具有酯键、碳酸键、酰胺键和氨基甲酸乙酯键中的任一种键,其分子末端具有被至少一个烷基取代的芳香烃基,还描述了一种一次写入多次读取的光盘基板和使用该基板的一次写入多次读取光盘,以及生产一次写入多次读取光盘的工艺。