To provide a thermoplastic elastomer composition excellent in low-temperature impact resistance and heat resistance.SOLUTION: The thermoplastic elastomer composition contains the following components (A)-(C) in ratios of 11-68 pts.mass of the component (B) and 1-58 pts.mass of the component (C) to 100 pts.mass of the component (A). Component (A): a propylene-based polymer, preferably a propylene-based block copolymer. Component (B): an ethylenic copolymer, preferably an ethylenic polymer containing a polymer block comprising ethylene and an ethylene/α-olefin copolymer block. Component (C): a partially hydrogenated product of a styrene/conjugated diene block copolymer.SELECTED DRAWING: None
【課題】低温耐衝撃性と耐熱性に優れる熱可塑性エラストマー組成物を提供する。【解決手段】下記成分(A)~(C)を、成分(A)100質量部に対して、成分(B)を11~68質量部、成分(C)を1~58質量部の割合で含む熱可塑性エラストマー組成物。成分(A):プロピレン系重合体、好ましくはプロピレン系ブロック共重合体成分(B):エチレン系共重合体、好ましくはエチレンからなる重合体ブロックとエチレン・α-オレフィン共重合体ブロックとを含むエチレン系重合体成分(C):スチレン・共役ジエンブロック共重合体の部分水素添加物【選択図】なし
THERMOPLASTIC ELASTOMER COMPOSITION AND AIR BAG HOUSING COVER
熱可塑性エラストマー組成物及びエアバッグ収納カバー
2022-07-28
Patent
Electronic Resource
Japanese
IPC: | C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS , Massen auf Basis makromolekularer Verbindungen / B29C Formen oder Verbinden von Kunststoffen , SHAPING OR JOINING OF PLASTICS / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR |
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