| 摘要 |
PROBLEM TO BE SOLVED: To provide a moisture-proofing polyester sheet having excellent moldability and steam barrier properties, and suitable for packaging a foodstuff and a medicine; and to provide a vessel for PTP (press-through package) packaging container. SOLUTION: The moisture-proofing polyester film comprises in forming 5-20μm thickness coating layer composed of a halogen-free water-repellent resin such as a styrene-butadiene resin onto either face of a non-oriented amorphous substrate sheet composed mainly of a polyester. The PTP packaging container obtained by molding the same, is also provided. COPYRIGHT: (C)2005,JPO&NCIPI |
