| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a polyester film suitable for laminated glass having excellent properties and free of the generation of optical strain because, for example, even when glass having a curved surface is used, the polyester film is laid along the curved surface of the glass. Ž<P>SOLUTION: The polyester film for laminated glass is characterized in that heat shrinkage rates in the longitudinal and lateral directions of the film at 130°C for 30 min are within a range of 0.0-1.5% each. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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