| 摘要 |
PROBLEM TO BE SOLVED: To provide an air bag housing cover excellent in low temperature impact resistance, appearance, releasability, flexural modulus or the like.SOLUTION: There is provided an air bag housing cover composed of a thermoplastic elastomer composition obtained by dynamic heat treatment of a composition comprising the following components (A), (B) and (C), in which the content of (A) is 20-70 wt.%, the content of (B) is 20-70 wt.% and the content of (C) is 1-30 wt.% based on the total amount of (A), (B) and (C), in the presence of the following component (D). Component (A): a propylene-based polymer having a propylene content of 85-100 wt.%, Component (B): an olefin-based block copolymer containing a polymer block comprising ethylene and an ethylene-α-olefin copolymer block, Component (C): a styrene-conjugated diene block copolymer and/or a hydrogenated product thereof, Component (D): an organic peroxide.SELECTED DRAWING: None |
