LAMINATE

• Main Authors: SAKAMOTO SHINJI, MASUMURA CHIAKI, UTO YUICHI
• Format: Patent
• Language: English; Japanese
• Published: 18.06.2020
• 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 BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; PERFORMING OPERATIONS; THEIR PREPARATION OR CHEMICAL WORKING-UP; TRANSPORTING

To provide a laminate having good adhesiveness with a metallic foil or a metal vapor deposited film substrate and excellent in opening handling by easy tearability.SOLUTION: There is provided a laminate having at least two layers of a resin layer (A) and a substrate layer (B), wherein the resin layer (A) is formed by directly adhering onto the substrate layer (B), the resin layer (A) contains an ethylene-propylene copolymer (C) having a specific constitutional unit, an MFR, a density and a total amount of vinyl and vinylidene in an ethylene-propylene copolymer and the substrate layer (B) is a metallic foil or a metal vapor deposited film.SELECTED DRAWING: None 【課題】金属箔または金属蒸着フィルム基材との良好な接着性および、易引裂性による開封取扱いに優れた積層体を提供する。【解決手段】樹脂層（Ａ）および基材層（Ｂ）の少なくとも２層を有し、樹脂層（Ａ）は、前記基材層（Ｂ）上に直接接着することにより形成され、樹脂層（Ａ）が、特定の構成単位、ＭＦＲ、密度及びエチレン・プロピレン共重合体中のビニル、ビニリデンの合計量を有するエチレン・プロピレン共重合体（Ｃ）を含有し、基材層（Ｂ）が、金属箔または金属蒸着フィルムであることを特徴とする積層体である。【選択図】なし