Provided is a molded body for outdoor installation, which is obtained by molding a polycarbonate-based resin composition including a blend of: 100 parts by mass of a polycarbonate-based resin (A) including 30 mass% to 100 mass% of a polycarbonate-polyorganosiloxane copolymer (A-1) having a polycarbonate block including, in a main chain thereof, a repeating unit represented by the general formula (I), and a polyorganosiloxane block containing a siloxane repeating structure represented by the general formula (II) and having an average number n of repetitions of from 30 to 500, and 70 mass% to 0 mass% of an aromatic polycarbonate resin (A-2) except the polycarbonate-polyorganosiloxane copolymer (A-1); and 0.001 part by mass to 1 part by mass of a UV absorber (B), in which a content x of the polyorganosiloxane block in the polycarbonate-based resin (A) is from 2.0 mass% to 15.0 mass%, and a product nx of the average number n of repetitions and the content x of the polyorganosiloxane block is 200 or more.
本发明提供了一种用于室外安装的模塑体,该模塑体是通过模塑一种聚
碳酸酯基
树脂组合物而获得的,该
树脂组合物包括以下混合物:100质量份的聚
碳酸酯基
树脂(A),其中包括 30-100质量份的聚
碳酸酯-聚有机
硅氧烷共聚物(A-1),该共聚物具有在其主链中包含通式(I)所代表的重复单元的聚
碳酸酯嵌段、和含有通式(II)代表的
硅氧烷重复结构且平均重复次数为 30 至 500 的聚有机
硅氧烷嵌段,以及除聚
碳酸酯-聚有机
硅氧烷共聚物(A-1)之外的 70 质量%至 0 质量%的芳香族聚
碳酸酯
树脂(A-2);和 0.001质量份至1质量份的
紫外线吸收剂(B),其中聚
碳酸酯基
树脂(A)中聚有机
硅氧烷嵌段的含量x为2.0质量%至15.0质量%,且平均重复次数n与聚有机
硅氧烷嵌段的含量x的乘积nx为200或以上。