A polycarbonate resin solution for use in film formation by casting and a process for producing the same are disclosed. The polycarbonate resin solution comprising an organic solvent and dissolved therein a copolycarbonate resin having a structural unit of formula (1) and a structural unit of formula (2), with the content of the structural unit of formula (2) in all the structural units being from 0.1 to 50% by weight. The polycarbonate resin having a viscosity average molecular weight of from 15,000 to 100,000.
本发明公开了一种用于浇铸成膜的聚
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树脂溶液及其生产工艺。该聚
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树脂溶液包括有机溶剂和溶解在其中的具有式(1)结构单元和式(2)结构单元的共聚
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树脂,式(2)结构单元在所有结构单元中的含量为 0.1 至 50%(按重量计)。聚
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树脂的粘度平均分子量为 15000 至 100000。