| 摘要 |
PROBLEM TO BE SOLVED: To provide a polyester laminated film which is not only excellent in perfume retaining properties and heat adhesive properties but also excellent in crease-retaining properties. SOLUTION: The polyester laminated film is characterized by that a copolymerized polyester layer (B) with a melting point of 150-240°C is laminated on at least one face of a polyester layer (A) consisting of a polyester comprising at least 20-80 wt.% ethylene terephthalate component and 80-20 wt.% butylene terephthalate component, and density of the whole film at 25°C is 1,260-1,340 kg/m<SP>3</SP>. COPYRIGHT: (C)2006,JPO&NCIPI
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