| 摘要 |
<P>PROBLEM TO BE SOLVED: To obtain a foamed molded article of high rigidity by forming a columnar, honeycomb-like or other low-foaming layer in a layer of a foam pressurized fitting plate. <P>SOLUTION: The foamed molded article is a foamed molded body 1 made of a thermoplastic polypropylene resin or nylon resin or the like constituted by kneading a master batch which is prepared by mixing powdered sodium bicarbonate in a polyethylene resin, and it is the foam pressurized fitting plate of the thermoplastic resin having a constitution wherein a lattice-like, honeycomb-like or other low-foaming layer 4 is formed in the molded body layer of a high-foaming layer 3 enveloped in a solid layer 2 of a surface portion. <P>COPYRIGHT: (C)2003,JPO |
