A multilayer body includes at least one layer (C) including a resin composition; and at least one layer (D) including a thermoplastic resin, in which the resin composition includes a polycarbonate resin (A) and an acrylic resin (B) in a weight ratio of 40:60 to 99:1, the polycarbonate resin (A) includes, as main repeating units, a unit (a-1) represented by the following formula (a-1):
and a unit (a-2) represented by the following formula (a-2):
wherein W represents an alkylene group having 1 to 20 carbon atoms or a cycloalkylene group having 6 to 20 carbon atoms, R represents a branched or linear alkyl group having 1 to 20 carbon atoms, or a cycloalkyl group having 6 to 20 carbon atoms and optionally having a substituent, and m represents an integer of 0 to 10, and the molar ratio of the unit (a-1) and the unit (a-2) (a-1/a-2) is 40/60 to 95/5. The multilayer body has excellent transparency, chemical resistance, surface hardness, and adhesion.
多层主体包括至少一层(C),其中包括
树脂组合物;以及至少一层(D),其中包括热塑性
树脂,其中
树脂组合物包括聚
碳酸酯
树脂(A)和
丙烯酸树脂(B),重量比为 40:60 至 99:1,聚
碳酸酯
树脂(A)包括作为主要重复单元的由下式(a-1)表示的单元(a-1):
和由下式(a-2)表示的单元(a-2):
其中 W 代表具有 1 至 20 个碳原子的亚烷基或具有 6 至 20 个碳原子的环烷基,R 代表具有 1 至 20 个碳原子的支链或直链烷基或具有 6 至 20 个碳原子并可选择具有取代基的环烷基,m 代表 0 至 10 的整数,单元(a-1)和单元(a-2)的摩尔比(a-1/a-2)为 40/60 至 95/5。多层体具有优异的透明度、耐
化学性、表面硬度和附着力。