PROPYLENE-BASED RESIN COMPOSITION AND SHEET PREPARED THEREWITH

• Main Authors: UCHIDA TOMOKI, UCHIDA DAISUKE, KANAI GEN
• Format: Patent
• Language: English; Japanese
• Published: 07.03.2019
• Subjects: CHEMISTRY; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP

To provide a high-quality propylene-based resin composition having all of transparency, heat resistance, flexibility, and secondary processing suitability and being excellent in low-temperature impact resistance, and a sheet prepared therewith.SOLUTION: A propylene-based resin composition contains a propylene resin (A) satisfying specific conditions of 45-85 wt.%, an ethylene-α-olefin copolymer (B) satisfying specific conditions of 10-35 wt.%, and a propylene-based block copolymer (C) satisfying specific conditions of 5-20 wt.%.SELECTED DRAWING: None 【課題】透明性、耐熱性、柔軟性、２次加工適性を兼ね備え、かつ、耐低温衝撃性にも優れた品質の高いプロピレン系樹脂組成物およびそれを用いたシートを提供する。【解決手段】特定の条件を満たすプロピレン系樹脂（Ａ）４５〜８５ｗｔ％、特定の条件を満たすエチレン−α−オレフィン共重合体（Ｂ）１０〜３５ｗｔ％、および特定の条件を満たすプロピレン系ブロック共重合体（Ｃ）５〜２０ｗｔ％を含有することを特徴とするプロピレン系樹脂組成物である。【選択図】なし