| abstract |
(57) Abstract: Provided is an aromatic-aliphatic copolymer polycarbonate having excellent optical properties, impact resistance, UV-cutting ability, color tone, and excellent retention heat stability. The number of foreign substances having a size of 10 μm or more in an aromatic-aliphatic copolymerized polycarbonate is 100 or less, the number of foreign substances having a size of 1 μm or more and less than 10 μm is 5,000 or less, and the number of foreign substances having a size of 0.5 μm or more and less than 1 μm is reduced. Number 1 × It shall be 10 5 or less. |