An object of the present invention is to provide a polycarbonate resin composition for a thin optical component, which polycarbonate resin composition has favorable fluidity as well as excellent strength. This object is achieved by a polycarbonate resin composition for a thin optical component, which composition contains: 100 parts by mass of an aromatic polycarbonate resin (A) having a viscosity average molecular weight (Mv) of 10,000 to 15,000; and 2 to 100 parts by mass of an aromatic polycarbonate copolymer (B) including a carbonate structural unit (i) represented by a particular Formula (1) and a carbonate structural unit (ii) represented by a particular Formula (2), wherein the ratio of the carbonate structural unit (i) to a total of 100 mol% of the carbonate structural unit (i) and the carbonate structural unit (ii) in the aromatic polycarbonate copolymer (B) is more than 10 mol% and less than 39 mol%.
本发明的目的是提供一种用于薄型光学元件的聚
碳酸酯
树脂组合物,该聚
碳酸酯
树脂组合物具有良好的流动性和优异的强度。本发明的目的是通过一种用于薄型光学元件的聚
碳酸酯
树脂组合物来实现的,该组合物包含100 质量份的芳香族聚
碳酸酯
树脂 (A),其粘度平均分子量 (Mv) 在 10,000 至 15,000 之间;和 2 至 100 质量份的芳香族聚
碳酸酯共聚物 (B),包括由特定式 (1) 表示的
碳酸酯结构单元 (i) 和由特定式 (2) 表示的
碳酸酯结构单元 (ii),其中
碳酸酯结构单元 (i) 与芳香族聚
碳酸酯共聚物 (B) 中
碳酸酯结构单元 (i) 和
碳酸酯结构单元 (ii) 的总计 100 摩尔%的比例大于 10 摩尔%,小于 39 摩尔%。