To provide a thermoplastic elastomer composition excellent in high-temperature strength, low-temperature impact resistance, and releasability, and to provide a molding and an air bag housing cover comprising the thermoplastic elastomer composition.SOLUTION: The thermoplastic elastomer composition contains at least the following components (A)-(C): (A) a propylene-based polymer; (B) an olefinic block copolymer which contains a polymer block comprising ethylene and an ethylene/α-olefin copolymer block; and (C) a high-density polyethylene. The ratio of the mass of the component (B) to the mass of the component (A) is 0.6 or more.SELECTED DRAWING: None
【課題】高温強度、低温耐衝撃性、および離型性に優れた熱可塑性エラストマー組成物と該熱可塑性エラストマー組成物からなる成形体およびエアバッグ収納カバーを提供する。【解決手段】少なくとも下記成分(A)~(C)を含有し、かつ、成分(B)の質量/成分(A)の質量が0.6以上である、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成分(B):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オレフィン系ブロック共重合体成分(C):高密度ポリエチレン【選択図】なし
THERMOPLASTIC ELASTOMER COMPOSITION, MOLDING, AND AIR BAG HOUSING COVER
熱可塑性エラストマー組成物、成形体およびエアバッグ収納カバー
2022-10-06
Patent
Electronic Resource
Japanese
IPC: | C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS , Massen auf Basis makromolekularer Verbindungen / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / C08F MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS , Makromolekulare Verbindungen, erhalten durch Reaktionen, an denen nur ungesättigte Kohlenstoff-Kohlenstoff-Bindungen beteiligt sind / C08J Verarbeitung , WORKING-UP |
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