MULTILAYER BODY

• Main Authors: MAEKAWA SHOICHI, YAMANAKA KATSUHIRO, IMAZATO KENTA
• Format: Patent
• Language: English; Japanese
• Published: 12.11.2020
• Subjects: CHEMISTRY; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; LAYERED PRODUCTS; LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM; MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; PERFORMING OPERATIONS; THEIR PREPARATION OR CHEMICAL WORKING-UP; TRANSPORTING

To provide a multilayer body excellent in transparency, chemical resistance, surface hardness and adhesion.SOLUTION: A multilayer body has at least one layer (C) composed of a resin composition containing a polycarbonate resin (A), a main repeating unit of which contains a repeating unit derived from isosorbide and a repeating unit derived from diol having a specific spiro ring structure at a ratio of 40/60 to 95/5, and an acrylic resin (B), in a weight ratio of 40:60 to 99:1, and at least one layer (D) composed of an acryl resin.SELECTED DRAWING: None 【課題】透明性、耐薬品性、表面硬度、密着性に優れた多層体を提供する。【解決手段】主たる繰り返し単位が、イソソルビドから誘導される繰り返し単位および特定のスピロ環構造を有するジオールから誘導される繰り返し単位を４０／６０〜９５／５の比率で含有するポリカーボネート樹脂（Ａ）と、アクリル樹脂（Ｂ）とを４０：６０〜９９：１の重量比で含有する樹脂組成物からなる層（Ｃ）と、アクリル樹脂からなる層（Ｄ）とを、それぞれ少なくとも１層以上有することを特徴とする多層体。【選択図】なし