| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide: a polystyrene-based resin composition that has excellent foaming performances in extrusion foam molding even in molding a relatively lightweight foam sheet and providing excellent molding processability to a foam sheet; a foam sheet having excellent molding processability even in relatively light weight; and a foam container molded by using the foam sheet. <P>SOLUTION: The polystyrene-based resin composition comprises a polystyrene-based resin and is molded by extrusion foaming. The polystyrene-based resin has a melt flow rate of 0.5-3.0 g/10 minutes, a Z-average molecular weight of 6.0×10<SP>5</SP>-10.0×10<SP>5</SP>and the value of the Z-average molecular weight/weight-average molecular weight of 1.8-4.0. <P>COPYRIGHT: (C)2010,JPO&INPIT</p> |
