| 摘要 |
PROBLEM TO BE SOLVED: To provide a foam molding which suppresses sounding, i.e. high-frequency friction sound produced when foam moldings or a foam molding and its subsidiary constituent member come in mutual contact to be scratched.SOLUTION: A foam molding comprises 100 pts. mass of a polystyrene resin as the base resin and 2-18 pts. mass of a polyacrylic acid alkyl ester type resin. The base resin constituting the foam molding contains the polyacrylic acid alkyl ester in a particulate form, and the surface of the foam molding has an arithmetic average roughness Ra of 5.0-10.0 μm, in measurement of the surface quality by JIS B0601:2001. |
