| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a foamed sheet which is excellent in a gas barrier property to oxygen and a moistureproof property, and can be formed by deep draw forming and thermo forming in a high magnification, and to provide a foamed vessel obtained by deep draw forming of the sheet. <P>SOLUTION: In the foamed sheet for deep drawing prepared by laminating at least one oxygen barrier layer, at least one moisture-proof layer, at least one impact resistant auxiliary layer and a foamed polystyrene sheet, the oxygen barrier layer contains a modified ethylene-vinyl alcohol copolymer containing 0.1 to 20 mol% of a structure unit (I) other than an ethylene unit and a vinyl alcohol unit, the moistureproof layer is composed of polypropylene, and the impact resistant auxiliary layer is composed of high impact polystyrene. <P>COPYRIGHT: (C)2011,JPO&INPIT</p> |
