| abstract |
An airbag cover molded body having a good balance between injection moldability and mechanical properties, heat resistance, and required characteristics of the molded body to be obtained. A thermoplastic elastomer containing (A) and (B), the total amount being 100% by weight, the content of (A) being 50 to 90% by weight, and the flexural modulus being 300 to 800 MPa. Composition. (A): Propylene-based polymer component (A1) obtained by polymerizing a monomer mainly composed of propylene polymerized in the first step, and ethylene content polymerized in the second step 30 to 70% by weight of ethylene-propylene copolymer part (A2) 20 to 60% by weight of propylene polymer (however, the total amount of propylene polymer of component (A1) and component (A2)) 100% by weight) (B): ethylene-α-olefin copolymer having Mooney viscosity (ML 1 + 4 , 100 ° C.) of 20 to 100 and density of less than 880 kg / m 3 [Selection] None |