| 摘要 |
PROBLEM TO BE SOLVED: To provide an airbag cover which is stable in inflation characteristic over a wide temperature range from low to high temperature, resists formation of flaw marks on its molding, and satisfies other surface characteristics (anti- stickiness, scratch resistance, etc.) of paintless specifications. SOLUTION: In an airbag cover obtained from injection molding of an olefin type polymer alloy, the olefin type polymer alloy comprises a polypropylene and a nonpolar thermoplastic elastomer serving as first and second components, respectively, and is further blended with an ionomer serving as a third component. The weight mixing ratio of the first to second component is 40:60 to 95:5, and the amount of the third component blended is 3 to 150 pts.wt. for 100 pts.wt. of the total amounts of the first and second components. |
