| 摘要 |
PROBLEM TO BE SOLVED: To provide a sheet for a sheet with an unsealing notch which is free from any mixture of suspected endocrine disrupting chemicals in food, substantially the same in the dimensional stability as a sheet formed of single polystyrene, formable under a substantially identical condition by the same manufacturing facility of a conventional portion with an unsealing notch using polystyrene, and capable of obtaining the portion with an unsealing notch free from any problems when unsealed. SOLUTION: The sheet for a portion with an unsealing notch consists of a laminate of a base sheet layer with polypropylene resin, polystyrene resin and compatibilizer are arranged, and a coating layer formed of polyolefin resin. COPYRIGHT: (C)2006,JPO&NCIPI
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