To provide a thermoplastic elastomer composition for airbag housing cover that has an excellent low-temperature impact resistance and a molding appearance, and that has also an excellent injection moldability, which is required for use in airbag housing cover.SOLUTION: A thermoplastic elastomer composition for airbag housing cover, containing the following components (A) to (D), and in which, for 100 pts.mass of a component (A), a component (B) is contained by 40 to 200 pts.mass, a component (C) is contained by 1 to 50 pts.mass, a component (D) is contained by 1 to 50 pts.mass. Component (A): propylene-based polymer having a propylene content of 85 to 100 mass%; Component (B): ethylene/α-olefin copolymer; Component (C): styrene-conjugated diene block copolymer and/or hydrogenated product thereof; Component (D): acrylic resin.SELECTED DRAWING: Figure 1
【課題】低温耐衝撃性、成形外観に優れ、エアバッグ収納カバーに用いるために必要な射出成形性にも優れたエアバッグ収納カバー用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)〜(D)を含有し、成分(A)100質量部に対し、成分(B)を40〜200質量部、成分(C)を1〜50質量部、成分(D)を1〜50質量部含むエアバッグ収納カバー用熱可塑性エラストマー組成物。成分(A):プロピレン含有量が85〜100質量%であるプロピレン系重合体成分(B):エチレン・α−オレフィン共重合体成分(C):スチレン・共役ジエンブロック共重合体及び/又はその水素添加物成分(D):アクリル系樹脂【選択図】図1
THERMOPLASTIC ELASTOMER COMPOSITION, MOLDED BODY, AND AIRBAG HOUSING COVER
熱可塑性エラストマー組成物、成形体及びエアバッグ収納カバー
2020-10-01
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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