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WINDOW FILM AND GLASS LAMINATE USING THE SAME
WINDOW FILM AND GLASS LAMINATE USING THE SAME
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机译：使用相同的窗口膜和玻璃贴膜
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摘要
PROBLEM TO BE SOLVED: To provide a window film excellent in heat moldability and curved shape followability, and a glass laminate using the same.SOLUTION: There is provided a window film 1 laminated on a glass having a curved shape at a part, which is a laminate type film of a polyester film A2 having at least film thickness of 5 μm or more and following thermal shrinkage rate in a range of 0.2 to 1% and a polyester film B3 having at least film thickness of 5 μm or more and following thermal shrinkage rate in a range of 2 to 10%. Thermal shrinkage rate (%)={(L(23°C)-L(150°C))/L(23°C)}×100, where L(23°C):sample length at standing under environment of 23°C and 55%RH for 1 day, L(150°C)::sample length at standing under environment of 150°C for 30 min. and under 23°C and 55%RH for 1 day.SELECTED DRAWING: Figure 1
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