An optical disk substrate and a light guide plate which are formed from a resin composition comprising 0.1 to 20 parts by weight of compound represented by the following formula (I):
based on 100 parts by weight of polycarbonate resin.
There can be provided an optical disk substrate formed from the resin composition of the present invention, particularly an optical disk substrate which allows the shape of a stamper to be transferred thereon with high precision and hardly undergoes warpage caused by environmental changes as a high density recording medium, and a light guide plate which has little uneven brightness and hardly undergoes warpage.
一种光盘基板和一块导光板,由一种
树脂组合物形成,该
树脂组合物包含 0.1 至 20 份(按重量计)由下式(I)代表的化合物:
基于 100 份(重量)聚
碳酸酯
树脂。
可以提供一种由本发明的
树脂组合物形成的光盘基板,特别是一种作为高密度记录介质的光盘基板,它可以在上面高精度地转印定影剂的形状,并且几乎不会因环境变化而发生翘曲;还可以提供一种导光板,它的亮度几乎不均匀,并且几乎不会发生翘曲。