To provide a thermoplastic elastomer composition capable of realizing a molding excellent in flow mark property, while maintaining low temperature impact resistance and its injection molding.SOLUTION: A thermoplastic elastomer composition containing component (A): a propylene block copolymer, and component (B): an ethylene/α-olefin copolymer, and satisfying the following formula. An injection molding made by injection molding this thermoplastic elastomer composition. Formula: [Melt flow rate of component (B) measured at test temperature 230°C and load 21.18 N]/[Melt flow rate of component (A) measured at test temperature 230°C and load 21.18 N]≥0.5.SELECTED DRAWING: None

    【課題】低温耐衝撃性を維持しながら、フローマーク性に優れた成形品を可能とする熱可塑性エラストマー組成物及びその射出成形品を提供する。【解決手段】成分(A):プロピレン系ブロック共重合体と、成分(B):エチレン・α-オレフィン共重合体とを含有し、かつ、下記式を満足する熱可塑性エラストマー組成物。この熱可塑性エラストマー組成物を射出成形してなる射出成形品。式:[試験温度230℃、荷重21.18Nで測定される成分(B)のメルトフローレート]/[試験温度230℃、荷重21.18Nで測定される成分(A)のメルトフローレート]≧0.5【選択図】なし


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    Title :

    THERMOPLASTIC ELASTOMER COMPOSITION, INJECTION MOLDING, AND AIR-BAG HOUSING COVER


    Additional title:

    熱可塑性エラストマー組成物、射出成形品、及びエアバッグ収納カバー


    Contributors:
    SANJO YUKI (author)

    Publication date :

    2023-10-04


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    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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