| 摘要 |
PROBLEM TO BE SOLVED: To provide a laminated film having superior release, molding and printing properties and allowing manufacture without coating and/or extrusion lamination process. SOLUTION: The laminated film consists of a polyester layer (layer A) based on an aromatic polyester resin and a polyolefin layer (layer B) based on the polyolefin resin and laminated on at least one side of the layer A. The lamination ratio of the layer B in the whole film, or layer B/whole film, is 0.05-0.5; the surface free energy of the layer B is 25-40 mN/m; and the stress at the elongation of 100% at 100°C is 0.5-5 MPa. COPYRIGHT: (C)2011,JPO&INPIT
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