| 摘要 |
PROBLEM TO BE SOLVED: To provide a polystyrene based resin composition which has slidability, water repellency and a good appearance with less aggregates, and its molding.SOLUTION: A polystyrene based resin composition contains a polystyrene based resin and a surface modifier, and the surface modifier is a polypropylene modified polyorganosiloxane obtained by kneading, with heating, a mixture comprising (A) a polypropylene based resin, (B) polypropylene wax, (C) a polyorganosiloxane having at least one silicon-atom-bonded radical polymerizable functional group in the molecule and (D) an organic peroxide. |
