| 摘要 |
PROBLEM TO BE SOLVED: To provide a film which is preferably utilized for packaging, in particular for a food packaging material, and is excellent in gas barrier and easy tear performance. SOLUTION: An easy tear film excellent in the gas barrier performance is provided, which is characterized in that at least one layer of an amorphous polyester resin layer and a crystalline polyester resin layer is included there into respectively, the thickness of the amorphous polyester resin layer comprises 20 to 95% in the total thickness of a laminated polyester film, and also an evaporated thin film layer composed of aluminum is formed at least on one side of a laminated twin screw-oriented polyester film having edge tearing resistance of 5 to 70N. COPYRIGHT: (C)2004,JPO |
