| 摘要 |
PROBLEM TO BE SOLVED: To provide a composite multi-layer expansion-molded product which is made of a polystyrene expansion-molded article with a skin and is excellent in beautiful surface appearance. SOLUTION: This composite multi-layer expansion-molded product 21 has a styrene resin expanded sheet 25 with a density of 140 to 500 kg/m<SP>3</SP>and a thickness of not less than 0.5 mm laminated on the surface of a styrene resin expansion-molded article 23 with a density of 50 to 200 kg/m<SP>3</SP>. In addition, a skin film 24 made of a non-expandable thermoplastic resin with a thickness of 500 to 2,000μm, is laminated on the surface of the styrene resin expanded sheet 25. COPYRIGHT: (C)2006,JPO&NCIPI
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