| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a new packaging material having shock-absorbing properties, flexibility, waterproofness, and easiness of opening, all at the same time, to be suitable for packaging CDs, DVDs, books or the like. <P>SOLUTION: The packaging sheet is formed of a foamed styrene-based resin sheet containing polystyrene and polyolefin, and biaxially stretched. <P>COPYRIGHT: (C)2012,JPO&INPIT |
