| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a light-weight foamed container in which the expansion ratio and the closed cell ratio are high, in which the thermal insulating properties are high and the uneven thickness is little, and which is excellent in the rigidity and the heat resistance. <P>SOLUTION: A polypropylene-based resin and a polypropylene-based resin composition that includes a specific polyethylene-based resin having a high swell ratio are used. <P>COPYRIGHT: (C)2013,JPO&INPIT |
